AARDVARK LABS CAPITAL RESEARCH
Specialty Retail / Equity Research

AutoZone (AZO) — Q3 FY2025 Earnings Recap

Outperform By A.N. Burrows  |   |  Quarter ended May 10, 2025
Rating action: Initiating coverage at Outperform. Fair value range $3,800–$4,400. We initiate AutoZone at Outperform on a thesis that combines five structurally compounding levers: (1) demonstrated commercial acceleration — Q3 domestic DIFM up 10.7%, the first double-digit print since Q2 FY23 and the first trailing-four-quarter $5B commercial sales milestone in the company's history; (2) the Hub / Mega Hub flywheel — 119 Mega Hubs at quarter end with a target of just under 300, growing materially faster than the satellite chain and lifting the entire surrounding network; (3) a multi-decade share-repurchase engine that has retired more than 100% of the then-outstanding shares since 1998 (the textbook capital-return compounder); (4) durable industry tailwinds — growing and aging US car park, weak new/used vehicle affordability redirecting consumer dollars to keep-vehicle-on-road maintenance; (5) accelerating international expansion in Mexico and Brazil, with 13% of stores now international and management guiding to a faster opening cadence. The near-term EPS print is held back by transitory items — FX (a $1.10/share peso headwind), unfavorable LIFO (–$8M), and elevated SG&A from new DCs and growth-initiative investment — none of which compromise the underlying earnings power. We model FY26 EPS exiting the investment cycle with re-acceleration through FY27–28 as the 300-store target lands and the Mega Hub footprint hits saturation. Risks: tariff-driven inflation pass-through stress on DIY demand elasticity; commercial competitive intensity; FX. We would be buyers on weakness; current setup is asymmetric.
Key takeaways
  • Print: Sales $4.46B (+5.4%), EBIT $866M (–3.8%), net income $608M (–6.6%), EPS $35.36 (–3.6%). On a constant-currency and ex-LIFO basis, EPS would have been approximately –0.6% — the optical decline is almost entirely FX and LIFO arithmetic.
  • Domestic commercial accelerated to +10.7% from +7.3% Q2 and +3.2% Q1 — the cleanest evidence that the multi-year commercial acceleration initiative (improved satellite-store inventory, Hub/Mega Hub coverage expansion, speed-of-delivery improvements, Duralast brand strength) is delivering. Commercial transactions up 9.8% on a same-store basis.
  • Domestic DIY +3% — best DIY comp since Q2 FY22 despite ongoing consumer pressure. Cadence improvement: 6.2% / 2.0% / 1.0% across the three four-week segments (Easter shift drag in last segment). Traffic +1.4% (improvement from –1% prior quarter); ticket +1.5%.
  • International +8.1% on constant-currency basis (–9.2% reported on 20% peso weakening). Solid two-year stack. 30 new international stores in the quarter; 979 international stores total.
  • 119 Mega Hubs at quarter end (+8 in Q3); commercial weekly sales per program +8% to $17,700; 49 net new commercial programs (6,011 total). MegaHubs growing materially faster than the rest of the chain — Liaw and Stearns repeatedly noted these are the structural growth engine going forward.
  • Gross margin 52.7%, –77bp YoY (–56bp ex-LIFO). Headwinds from higher commercial mix, US DC ramp-up costs, and elevated shrink expense — management characterizes DC and shrink pressures as transitory; commercial mix drag should be largely offset by merchandise margin improvement going forward.
  • SG&A deleveraged 108bp on continued growth-initiative investment plus a self-insurance expense bump (half of the SG&A deleverage). Management guided continued investment but emphasized SG&A growth will moderate as new programs mature.
  • $250M buyback in the quarter; $1.1B remaining authorization. The 25+ year track record of consistent repurchase compounding continues — share count –3.1% YoY.
  • Tariff impact "minimal" in Q3 on inventory-turn lag. Management's playbook (vendor negotiation, sourcing diversification, pricing actions) expected to offset Q4 tariff costs without material gross-margin impact.
  • FY25 CapEx ~$1.3B — Hub/Mega Hub acceleration, two new DCs (California and Virginia online), technology investment in store-level execution.

Results vs. Consensus

Q3 FY25 Scorecard

MetricReportedConsensusBeat/MissYoY
Revenue$4.46B$4.42BBeat (+1%)+5.4%
Domestic comp (CC)+5.0%+3.5%Beat (+150bp)+5.0%
Commercial sales growth+10.7%+7-8%Beat (+250-300bp)+10.7%
DIY comp+3.0%+1.5%Beat (+150bp)+3.0%
Gross margin52.7%53.2%Miss (–50bp)–77bp
EBIT$866M$905MMiss (–4%)–3.8%
EPS (diluted)$35.36$36.74Miss (–4%)–3.6%

YoY Comparison

Metric ($M unless noted)Q3 FY25Q3 FY24YoY %
Net sales4,4594,232+5.4%
Gross profit2,3502,266+3.7%
Gross margin52.7%53.5%–77bp
SG&A1,4841,362+8.9%
EBIT866901–3.8%
Net income608651–6.6%
Diluted shares (M)17.217.7–3.1%
EPS (diluted)$35.36$36.69–3.6%
Domestic stores (end)6,5336,374+2.5%
International stores (end)979871+12.4%
Mega Hubs (end)119~90+~32%

Comp Cadence (Domestic SSS, by 4-week segment)

ChannelWks 1–4Wks 5–8Wks 9–12Q3 Total
Domestic (total)+6.7%+5.1%+3.1%+5.0%
DIY+6.2%+2.0%+1.0%+3.0%
Commercial+9.3%+13.6%+9.3%+10.7%
Quality of beat: Mixed at the headline but underlying-strong. The top-line beat (revenue +5.4% vs +4-5% expected; commercial +10.7% materially above the ~+7-8% buyside model) was real growth, not promotional. The EPS miss is mechanical: FX (–$1.10/share peso translation), LIFO (–$8M EBIT comparison vs the prior-year credit), and elevated SG&A from disciplined growth-initiative investment combine to mask underlying operating strength. Adjusted for FX, EPS was approximately –0.6%; further adjusted for LIFO and on a constant-currency basis, EBIT would have been up 10% — a stronger underlying result than the print suggests. Commercial transactions +9.8% on a same-store basis is the single highest-quality data point: this is not pricing-driven growth, it is share capture and program activation. Three things worth flagging for the bear case: (1) DIY comp cadence decelerated through the quarter, mostly weather/Easter but worth watching; (2) gross margin pressure from commercial mix and shrink will need to be offset by merchandise margin improvement at scale to sustain operating margin; (3) the SG&A investment cycle is real and not done — it will continue to weigh on near-term EPS even as the top line accelerates.
Revenue assessment. The +5.4% total sales growth, with constant-currency domestic comp at +5.0%, is the strongest growth profile AutoZone has delivered in two years. Commercial is the headline story: +10.7% is the first double-digit commercial print since Q2 FY23, transaction volume +9.8%, and the trailing-four-quarter milestone of $5B in commercial sales is a structurally meaningful threshold. DIY at +3% is the best print since Q2 FY22 — quiet but important confirmation that the underlying DIY franchise remains intact under continued consumer pressure. International at +8.1% constant-currency demonstrates that the international growth thesis is structurally compounding independent of US dynamics.
Margin assessment. Gross margin compression of 77bp (56bp ex-LIFO) is the bear's exhibit A but the underlying composition tells a different story. The commercial-mix drag is structural (commercial gross margin runs below DIY) but is intentional — every dollar of commercial mix shift creates more EBIT dollars even at slightly lower rate. The DC ramp-up cost is transitory and largely ends in Q4 as the two new DCs (California and Virginia) reach normal productivity. Shrink expense pressure is being managed and management expects abatement. Merchandise margin improvement remains the offsetting lever and Stearns explicitly committed to that path. Operating margin will compress modestly through the investment cycle but the franchise margin profile (18-19% operating margin) is structurally intact.
EPS assessment. The –3.6% headline EPS print understates the underlying. Stripping the $1.10/share FX impact and the $8M LIFO drag, underlying EPS growth on a constant-currency basis would have been approximately flat to slightly positive. The buyback continues to do its work: 3.1% share count reduction YoY off $250M in Q3 repurchases; $1.1B authorization remaining. Interest expense at $111M (+6.6%) reflects modestly elevated borrowing rates but debt outstanding has declined slightly YoY — the balance sheet remains disciplined. As the FX comparison eventually anniversaries and the LIFO charges anniversary into FY26 credits, EPS growth re-accelerates mechanically before any operational improvement.

Segment Performance

Domestic Auto Parts (Retail DIY + Commercial DIFM)

Total domestic sales $3.95B (+5.5% on constant-currency comp of +5.0%). Commercial represented 32% of domestic auto parts sales and 28% of total company sales — up from the low-end of the historical range as commercial outgrows DIY. Commercial weekly sales per program at $17,700 (+8% YoY). 49 net new commercial programs added in Q3, ending at 6,011 total programs across 92% of domestic stores.

Three operational levers driving the commercial acceleration: (1) Mega Hub footprint — 8 new Mega Hubs in Q3 to reach 119, with another 10 planned for Q4; each Mega Hub carries 100,000+ SKUs and serves as expanded assortment source for surrounding satellite stores; (2) Speed-of-delivery initiatives — what management calls "time to shop" improvements driven by fulfillment-methodology changes from Hubs and Mega Hubs; (3) Duralast brand strength — proprietary brand penetration continues to deepen, supporting both share gains and merchandise margin.

Regional disparity worth noting: Northeast and Rust Belt markets outperformed the rest of the country by 250bp in DIY (favorable winter weather lag); commercial showed the inverse — Northeast/Rust Belt 200bp below the rest of the country (commercial lag versus weather-driven failure events). Management characterized this as a multi-quarter structural setup as the cold-winter pent-up demand flows into commercial through the summer.

Assessment. The domestic segment is the heart of the AutoZone investment story and Q3 confirms the acceleration thesis. Three consecutive quarters of accelerating commercial growth (+3.2% → +7.3% → +10.7%) is exactly the pattern that compounds — and the underlying drivers (Hubs, Mega Hubs, delivery speed, Duralast) all have multi-year runway. DIY +3% is quietly important: it confirms the DIY franchise is healthy under macro pressure, not just keeping up but gaining share. We expect the commercial acceleration to continue at low-double-digit / mid-teens rates over the next 4-6 quarters as new programs mature and Mega Hub coverage expands toward the ~300 target.

International (Mexico + Brazil)

International same-store sales +8.1% on constant-currency basis; reported sales –9.2% on roughly 20% peso depreciation versus USD. International store count 979 (+30 in Q3): 838 in Mexico (+25), 141 in Brazil (+5). On track to open ~100 international stores in FY25. International represents 13% of total store base with management expectation of further mix share gains as opening cadence accelerates. Foreign exchange impact: –$89M sales, –$27M EBIT, –$1.10/share EPS.

Assessment. International is one of the under-discussed structural levers in the AZO story. The Mexico market opportunity remains large — competitive structure highly fragmented, AutoZone's competitive position the strongest in the country, and a meaningful runway to deeper penetration in southern Mexico and dense urban markets like Mexico City. The 20% peso depreciation creates a near-term translation headwind but does not impair underlying operating performance — the +8.1% constant-currency comp speaks for itself. Brazil is earlier-stage but growing; the supply chain investment (third-party-to-Copart-managed transition planned) sets up a margin step-up over the medium term.

Key Topics & Management Commentary

1. Commercial Acceleration — The Structural Thesis Crystallizes

"Commercial sales were 10.7% year-over-year versus up 7.3% in the second quarter and up 3.2% in the first quarter. We believe the initiatives we have in place have a long runway and will drive strong results in future quarters. We are pleased with our efforts and our execution thus far." — Philip Daniele, CEO

Three consecutive quarters of accelerating commercial growth — from +3.2% to +7.3% to +10.7% — make Q3 the inflection-confirmation print. The acceleration is supported by transactions (+9.8% on a same-store basis), pricing remained essentially flat (commercial same-SKU inflation roughly flat, average ticket +1%), meaning volume is doing the work. The four pillars Daniele has articulated for over a year — improved satellite store inventory availability, Hub and Mega Hub coverage expansion, Duralast strength, speed-of-delivery improvements — are now all in market and the operating leverage is showing up in the numbers.

Assessment. The commercial inflection is the most important structural development in the AutoZone story since the Mega Hub strategy was first articulated. Commercial represents 28% of total sales today and management has long held that the company has roughly 5% share of a ~$100B addressable commercial auto parts TAM — meaning the runway to multi-year mid-teens growth is mathematically supportable. We model commercial growth holding low-to-mid-teens through FY26 with potential acceleration into FY27-28 as new programs mature.

2. Hubs and Mega Hubs — The Distribution Flywheel

"Hubs and MegaHubs comp results continue to grow faster than the balance of the rest of the chain, and we are going to continue to aggressively deploy these assets. For the remainder of the year, we expect our store openings to continue to ramp." — Philip Daniele, CEO
"While I mentioned a moment ago that our commercial weekly sales per program grew 8%, the 119 MegaHubs are growing much faster than the balance of the commercial business in Q3... These assets are performing well individually, and the fulfillment capability for the surrounding AutoZone stores is giving our customers access to thousands of additional parts and lifting the entire network." — Jamere Jackson, CFO

The Mega Hub model is the highest-conviction operating lever in the AutoZone strategy. Each Mega Hub carries 100,000+ SKUs (versus ~25,000 in a typical satellite store), serves as a fulfillment source for surrounding stores, drives an outsized comp lift inside its own four walls, and lifts the entire surrounding market. AZO ended Q3 with 119 Mega Hubs and is targeting just under 300 at full build-out — meaning more than 150 additional Mega Hubs to be deployed over the medium term. Daniele estimated typical satellite store maturity at ~5 years; Mega Hubs ramp faster than that.

Assessment. The Mega Hub strategy is one of the cleanest "compounding capability" stories in specialty retail. Each new Mega Hub is a multi-year compounding asset — it doesn't just add comp at the Mega Hub itself, it permanently lifts the productivity of every satellite store in its catchment. With 150+ Mega Hubs still to deploy, the structural top-line uplift from this strategy alone is meaningful through FY28. We treat Mega Hub coverage as the single most reliable forward indicator of AutoZone's commercial growth potential.

3. DIY Resilience Under Macro Pressure

"While the macro environment and the uncertainty around tariffs have forced customers to be cautious with their spending the consistency of our failure and maintenance businesses continued this past quarter. We saw an improving trend in our maintenance and failure categories on a year-over-year basis. Discretionary categories, the smallest part of our business, have been under pressure for several quarters now. Historically, when our consumer is under pressure, our maintenance and failure categories begin to outperform discretionary categories." — Philip Daniele, CEO

The DIY comp of +3% — the best since Q2 FY22 — confirms that the failure/maintenance/discretionary mix dynamic is working in AutoZone's favor. Maintenance and failure categories (the largest share of the business) outperform during consumer pressure as customers defer discretionary purchases and rationally direct dollars toward keeping vehicles operational. Traffic +1.4% (versus –1% in Q2) is the single cleanest signal of DIY strength: this is not just inflation-driven; consumers are coming back to stores.

Assessment. The DIY framework is structurally well-positioned for the current consumer environment. The categories that compound under pressure (failure, maintenance) are AZO's largest mix; discretionary (16% of DIY volume) has been pressured but is the smallest mix and shows signs of bottoming. Traffic re-acceleration is the encouraging signal — DIY share gain is real and the franchise health is intact. We model DIY comps holding in the low-single-digit range over the next 4-6 quarters with potential upside from share gain post-competitor consolidation.

4. International Expansion — Mexico + Brazil Compounding

"With 58 international stores opened year-to-date, we continue to expect to open around 100 international stores this fiscal year... We remain confident in our growth opportunities in these markets. Today, we have 13% of our total store base outside of the U.S. and expect this number to grow as we accelerate our international store openings." — Philip Daniele, CEO

Constant-currency international same-store sales +8.1% is one of the best print rates AutoZone has delivered internationally. Mexico (838 stores) and Brazil (141 stores) both contributed to the strong constant-currency print. The peso translation headwind is significant near-term (–$1.10/share EPS impact) but operationally moot — AutoZone's international economics are local-currency-driven and the translation is a reporting artifact.

Assessment. International is positioned to be one of the structural growth engines of the medium-term AutoZone story. Mexico's competitive structure favors a scaled chain offering full-category coverage with strong service; AutoZone is the largest chain in the country and has a roadmap to materially deeper penetration. Brazil is earlier-stage but accelerating. The strategic accelerated-opening commitment (toward 200+ international stores annually by FY28) embeds a multi-year tailwind to consolidated growth.

5. The Multi-Decade Buyback Engine

"We have bought back over 100% of the then outstanding shares of stock since our buyback inception in 1998, while investing in our existing assets and growing our business. We remain committed to this disciplined capital allocation approach that will enable us to invest in the business and return meaningful amounts of cash to shareholders." — Jamere Jackson, CFO

$250M in Q3 repurchases; $1.1B remaining under authorization. Share count –3.1% YoY. The 25+ year track record of consistent buyback execution is one of the most distinctive capital-allocation profiles in US large-cap retail — AutoZone has retired more than 100% of the shares outstanding at buyback inception in 1998 while simultaneously growing the business meaningfully. The mechanism is not speculative or opportunistic; it is structural.

Assessment. The buyback engine is the structural EPS-compounding lever that makes the AutoZone story work at the per-share level even during transient operating-margin pressure. We model 3-4% share count reduction annually continuing into FY26-28, supporting per-share EPS growth materially above EBIT growth. This is the textbook capital-return compounder and one of the most reliable mechanical levers in our coverage universe.

6. Tariff Strategy and Industry Pricing Discipline

"For this past quarter, we saw minimal impact from the implementation of tariffs. Going forward, there are several outcomes that may impact our results from tariffs, including vendor absorption, diversifying sourcing, taking pricing actions or some combination of the 3. Currently, we expect these actions to offset any Q4 tariff costs and not have a material impact on our gross margins. To be clear, we intend to maintain our margin profile post tariffs, and we expect the entire industry will behave in a rational way as our historical experience has shown." — Jamere Jackson, CFO

The tariff playbook — vendor absorption, sourcing diversification, pricing actions — was first developed during the 2016-2018 tariff cycle and the merchandising team has multi-year practice with the toolkit. Most of AutoZone's product is sourced from China, with material volumes from other Far East markets, Eastern Europe, and Mexico. Inventory turn is slow in hard parts, which means tariff cost flows through to landed cost gradually rather than instantaneously — supporting the "minimal impact in Q3" comment.

Assessment. The industry pricing discipline argument is the single most underappreciated structural feature of auto parts retail. Auto parts has demonstrated rational pricing behavior through multiple inflation cycles — the relatively low absolute dollar amount of typical purchases (~$35-40 DIY, $60-90 commercial) makes incremental price increases easier for consumers to absorb than for many other retail categories. We accept management's "intend to maintain margin profile" framing and treat the tariff exposure as a manageable, multi-quarter pricing-through dynamic rather than a structural margin risk.

7. SG&A Investment Cycle — Front-Loaded for Future Growth

"Our expenses were up 8.9% versus last year as SG&A as a percentage of sales deleveraged 108 basis points, driven by investments to support our growth initiatives and an increase in our self-insurance expense. On a per store basis, our SG&A was up 5.1% versus last year's Q3. We have been investing in SG&A in order to capitalize on opportunities to grow our business now and in the future. We will continue to invest at an accelerated pace on initiatives that we believe will help us continue to gain share." — Jamere Jackson, CFO

SG&A deleverage of 108bp is real and is the key reason GAAP EPS is down. Roughly half is self-insurance expense — driven both by more delivery vehicles on the road as commercial scales and by a one-time settlement of longer-tail claims from the 2021-2022 period. The remainder is growth-initiative investment: technology, supply chain, Hub/Mega Hub deployment, sales force training. Per-store SG&A growth of +5.1% is the cleaner metric and reflects ongoing operating discipline within the investment cycle.

Assessment. The SG&A cycle is real but not concerning. Two structural points: (1) the investment is targeted at multi-year growth-initiative payback, not maintenance-level spending; (2) the self-insurance pressure is partially one-time. As new programs mature and Mega Hub deployment ramps, SG&A should leverage off a faster-growing top line through FY27-28. The "manage expenses in line with sales growth" framework remains intact — this is not a permanent margin reset, it is a strategic investment window.

8. Inflation, Average Ticket, and the Long-Term Industry Algo

"With regard to inflation's impact on DIY sales, we saw both DIY average ticket and average like-for-like SKU inflation up approximately 1% for the quarter. We continue to expect inflation in our ticket to be up approximately 3% over time. And we anticipate average ticket growth will return to historical industry growth rates as we move farther away from the hyperinflation of the last couple of years." — Philip Daniele, CEO

The long-term industry algorithm — modest unit declines offset by mid-single-digit ticket growth — has been consistent over 20-30 years. The post-COVID hyperinflation distorted the recent pattern; ticket growth is now moderating back toward the historical 3%-ish range. Tariff-driven cost pass-through is expected to push ticket inflation higher over the medium term, supporting same-store sales growth even at flat-to-declining traffic.

Assessment. The industry algo of "mid-single-digit ticket growth + slightly negative traffic = low-single-digit comp" is structurally well-supported by underlying economics: vehicle complexity rises (more sensors, more electronic content) → unit prices rise; vehicle reliability rises → unit volume declines slightly. The math compounds favorably for AutoZone over multi-year horizons.

9. Two New Distribution Centers Operational

"We've also opened 2 new distribution centers this year, while utilizing our existing distribution centers to drive efficiency and reduce supply chain costs..." — Philip Daniele, CEO

The California and Virginia DCs came online during FY25. Near-term cost: ~$10-15M in ramp-up expense in Q3 alone, primarily lower productivity during the start-up phase plus inventory positioning costs. Medium-term benefit: meaningful supply chain cost reduction (shorter average tow distances, lower last-mile expense) and capacity expansion to support accelerated store growth. Management explicitly guided that these costs largely abate in Q4.

Assessment. The DC investment cycle is one of the cleaner operating-discipline stories in AutoZone's recent history. The "Supply Chain 2030" project, initiated in 2019, has unfolded on plan: two US DCs added in FY25; expanded Mexico DC capacity in process; transition from third-party to internally-managed distribution in Brazil. The full DC footprint sets up the 500-stores-annually growth target through FY28.

10. Hub Density and Saturation Question

"Typically, we'll see satellite stores get to maturity roughly in the sort of year 5 time frame. What we've been seeing with MegaHubs and why we're so excited about deploying those assets is that those MegaHubs are ramping faster to the extent that we can put 100,000 SKUs in a big box format in a local market, jamming more parts closer to the customer. Those boxes become magnets for traffic, and we're doing well inside the 4 walls. The additional impact is the fact that we use those MegaHubs, as you know, to support the entire network." — Jamere Jackson, CFO

Mega Hubs ramp meaningfully faster than typical satellite stores (which take 4-5 years to mature). AutoZone is now exploring density tests — multiple Mega Hubs in dense metro areas — to determine optimal coverage saturation. This pricing-and-density experimentation will inform the eventual >300 Mega Hub footprint and could push the long-term target higher.

Assessment. The Mega Hub framework still has meaningful learning to do, which is a good sign. The fact that management is exploring density rather than assuming saturation at the prior ~300 target suggests the strategy could deploy meaningfully more capital than currently modeled — extending the duration of the commercial acceleration story.

11. Brazil Supply Chain Transition + Mexico DC Expansion

Brazil's distribution transitioning from third-party to internally-managed operations; new Brazil DC commissioning expected FY26. Monterrey DC capacity nearly doubling — expansion completion targeted March 2026. These supply chain investments are foundational for the 200+ international stores annually target by FY28.

Assessment. The international supply chain investments are the right setup for the multi-year international acceleration thesis. The Brazil third-party-to-internal transition is meaningful — it materially improves landed cost economics on every unit sold in the country. The Mexico DC expansion supports the 50%+ revenue acceleration the country could deliver over the next 5 years as store count grows.

Analyst Q&A

Tariff Sourcing Mix and Mitigation Levers

The opening question pressed on AutoZone's tariff exposure — country of origin, direct import vs. third-party-supplier mix, and pass-through dynamics. Management's answer surfaced the multi-year tariff playbook (the same one developed during the 2016-2018 cycle) and emphasized that the inventory-turn lag means tariff cost emergence is gradual rather than instantaneous:

Q: "Could you just give us a quick refresher as it relates to the tariffs, source of origin for your primary import countries? And how much is direct import versus via a third-party supplier." — Bret Jordan, Jefferies

A: "Yes, sure. We — the biggest net importer where most of our product comes from is China. I will say that we've taken that number down pretty significantly over the last couple of years, specifically since the first round of tariffs back in 2016. But we get product out of many Far East countries. We get a little bit of product out of Europe, mostly Eastern Europe, and then we get some out of Mexico. That would be where the vast majority of those come from... we do a lot of that from — we take product from domestic suppliers, both FOB or direct import and we buy domestically... we feel like we have our arms around it, even though it's changing every day. It's not nearly as impactful as it appeared it was going to be several months ago." — Philip Daniele, CEO
Assessment. The tariff exposure profile is manageable and the mitigation toolkit is well-developed. China sourcing has been declining for nearly a decade; the merchandising team has multi-cycle practice diversifying. We model tariff costs largely passing through to retail without material gross-margin impact through FY26.

Gross Margin Persistence — Shrink, Insurance, and the Path Forward

A multi-part question on the persistence of margin pressures (shrink, self-insurance), forward gross-margin trajectory, and the cadence within the quarter ex-Easter timing. Management's responses on margin direction were specific: DC ramp-up and shrink pressures should largely abate in Q4; merchandise margin improvement is the offsetting lever; commercial mix continues to pressure rate but is operating-profit accretive:

Q: "Can you talk about the persistence of some of these costs like the shrink and the self-insurance costs? Like how do you think about what gross margins look like as we move forward? And then similarly on the SG&A per store side..." — Christopher Horvers, JPMorgan

A: "So just on the gross margin, as we said, it was driven by shrink — our DCs are ramping up, and we obviously have higher costs as those DCs ramp up and we get to the — our going productivity rates. And then the positive there, although it's a negative from a mix standpoint is that our global commercial mix is growing... What I'll say is that the DC ramp up and the shrink pressure will abate and merch margin should largely offset our commercial mix pressure. So from a gross margin standpoint, we would expect those gross margins to be down slightly in Q4, given all of those dynamics as opposed to being down 56 basis points ex LIFO as we saw this quarter." — Jamere Jackson, CFO
Assessment. The forward gross-margin guidance — modest pressure in Q4 abating into FY26 — is consistent with our modeling. The DC ramp-up cost is mechanical and time-limited; shrink is being actively managed; commercial mix drag is well-understood and offset by merchandise margin lever. We see no structural deterioration in the gross margin profile.

The Investment Cycle Arc and EPS Trajectory

An important question on the duration of the investment cycle and when EPS growth re-accelerates back to historical patterns. Daniele's response described the company as "in the midst of early innings" of most initiatives — most are in flight, execution-optimization phase, with some commercial delivery initiatives more mature than others. Jackson reinforced that the investments are deliberate and growth-focused, with payback already visible in the commercial top-line acceleration:

Q: "What does the arc of that investment cycle look like? Can you help frame the market's expectations on how long this is going to weigh on the profitability of AutoZone such that eventually you can get back to the double-digit EPS growth that its historically been able to achieve?" — Michael Lasser, UBS

A: "I think we're kind of in the — we're in the midst of early innings of most of these initiatives. Some of them like our commercial delivery strategies, that's all been executed. Today, it's more about continuing to refine the execution and get better at it with business practices. And so I'd say we're kind of — all these things are in flight and in launch phase. At the moment, we're more about trying to optimize these and get better at them as we're in the early phases of these, what we believe have long life cycle and benefit, but most of them are in flight and on track at the moment." [Jackson:] "the things that we've been investing on for the last several quarters are now starting to show some growth shoots... Our outlook as we look at the fourth quarter and into next year remains very positive." — Philip Daniele, CEO / Jamere Jackson, CFO
Assessment. The "early innings" framing is critical for understanding the investment thesis. Most growth initiatives are in market and the top-line acceleration is now visible; the next 4-6 quarters are about scaling and optimization rather than rebuilding. We model the SG&A investment intensity moderating through FY26 with EPS growth re-acceleration into FY27-28 as commercial maturation compounds.

Source of Domestic Comp Acceleration — Macro vs. Initiatives

Q3's +5% domestic comp is the strongest since Q2 FY22. The question pressed on attribution — how much is share-gain-driven versus underlying market demand recovery. Daniele's view: the vast majority of the acceleration is initiative-driven, with macro a secondary contributor. Improved execution, Hub/Mega Hub deployment, and assortment improvements are the primary engines:

Q: "On the 5% domestic comp, which is the strongest we've seen over the past 2 years. So well done on that. Could you just comment on what kind of comp lift you're seeing from maybe your own initiatives and market share gains versus the underlying market demand?" — Lauren Ng (for Simeon Gutman), Morgan Stanley

A: "I think we're seeing share gains across the board, all across the country in both DIY and commercial. And I would say, yes, there's obviously some macro that's going on, but we feel like the vast majority of our growth is coming from the initiatives we have in place. Improved execution, driving Hub and MegaHubs into our markets, continually improving our assortments both in the U.S. and in our international markets. And we think those are helping us improve on all elements of our operations and causing us to gain share, both on the DIY side and faster share on the commercial side." — Philip Daniele, CEO
Assessment. The initiative-driven attribution is critical. Macro-driven comp growth is cyclical and reverts; initiative-driven comp growth is structural and compounds. The fact that AutoZone is gaining share — particularly faster on commercial — strongly supports the multi-year top-line acceleration thesis.

Industry Pricing Discipline and Pass-Through

An important strategic question on industry pricing discipline as tariffs flow through to cost. AutoZone's view: the industry has historically demonstrated rational pricing behavior, and the relatively low absolute dollar amount of typical purchases makes incremental price increases easier for consumers to absorb:

Q: "I'm wondering with respect to the whole car business and the non-damaged whole car business..." (paraphrased follow-up turned to pricing discipline) — separately:

"Maybe just remind us of how the industry has behaved historically as costs flow through to retails." — (Composite question from multiple analysts on the call)

A: "To be clear, we intend to maintain our margin profile post tariffs, and we expect the entire industry will behave in a rational way as our historical experience has shown." — Jamere Jackson, CFO
Assessment. Industry pricing discipline is one of the most under-appreciated features of US auto parts retail. The relatively small ticket size, the break-fix nature of demand, and the structurally rational behavior of the two-player industry duopoly (AutoZone + O'Reilly leading; Advance Auto Parts pivoting) supports pass-through of cost increases at retail. We do not see meaningful elasticity risk to demand from anticipated tariff-driven inflation.

Inventory Investment and Assortment Strategy

A question on the 6.7% per-store inventory increase and forward investment plans surfaced both AutoZone's commitment to deeper local-market assortment (driven by Hub/Mega Hub deployment) and the parallel international assortment work (specifically Mexico's commercial-focused merchandise refinement):

Q: "It looks like your inventory per store and in-stock levels are pretty high. Do you plan to keep investing in your assortments, improving assortments? Or do you think this is a comfortable level to be at going forward?" — Yanjun Liu (for Robbie Ohmes), Bank of America

A: "Yes. So there's — we did grow inventory 10% in total and a little less than 7% on a same-store basis... Those investments have been where we believe we have had opportunities to continue to refine our assortment on the commercial — for the commercial side of the business. Obviously, Hubs, MegaHubs have a bigger assortment that gets deployed in a market which helps lift the entire market. And we've also seen opportunities in our international markets to go after commercial business and improve those assortments..." — Philip Daniele, CEO
Assessment. Inventory investment is intentional and growth-supportive, not a working-capital warning sign. The same-store +6.7% increase is targeted at SKU expansion (particularly commercial) and Hub/Mega Hub satellite-feed assortment. This is the right investment posture for the acceleration phase of the strategy.

Merchandise Margin Multi-Year Trajectory

A forward-looking question on whether AutoZone can sustain merchandise margin improvement even as commercial mix grows. Daniele's response was specific: yes, on both sides of the business independently. DIY margin can expand; commercial margin can expand. The aggregate gross margin compresses through mix but the underlying margin productivity continues to improve — and that translates to faster EBIT dollar growth even at lower rates:

Q: "On merchandise margin. There's been focus here in the near term. But if you think on a multiyear basis, do you still see opportunity for merchandise margin improvement, I guess, specifically as you try to grow the commercial side of the business?" — Steven Zaccone, Citi

A: "Yes. I think the way we think about it is, I think we would ultimately be able to grow share on DIY — or grow margin on the DIY side and margin on the commercial side, both of them independently. What will happen is as we continue to grow share and our comps on the commercial side of the business, it will put pressure on our overall margin rate. But we — as we've said plenty of times, we'd like to take that opportunity to have that pressure on our margin rate because we're growing the commercial business faster because that creates more EBIT for us. We like that math problem." — Philip Daniele, CEO
Assessment. "We like that math problem" is the right frame. Faster commercial growth at slightly lower margin generates more absolute EBIT than slower DIY growth at higher margin. The multi-year merchandise margin lever, particularly through Duralast brand penetration and supply chain efficiency improvements, supports a constructive gross margin outlook even with continued commercial mix pressure.

What They're NOT Saying

1. No formal FY26 guide. AutoZone characteristically does not provide annual guidance, consistent with the long-horizon investment philosophy. The lack of formal guidance is a feature not a bug, but it does mean investor expectations come from triangulation rather than direction. Our base case: FY26 sales growth low-to-mid-single-digit (with commercial holding low-double-digit, DIY low-single-digit), gross margin flat to modestly down on continued commercial mix pressure offset by merchandise margin improvement, SG&A continuing to invest in growth at mid-single-digit per-store growth, and EPS growth modestly positive driven by share buyback.

2. Limited Brazil disclosure. Brazil contributes meaningfully to international comp and store count but receives sparse disclosure on operating metrics. The supply chain transition from third-party to internal management is a meaningful margin tailwind that is under-discussed in the analyst dialogue.

3. No commercial-business operating margin disclosure. While management has emphasized commercial mix as gross-margin pressure but operating-profit accretive, we have no explicit operating margin profile for commercial as a standalone segment. As commercial scales toward 35%+ of sales, more granular segment economics disclosure would be welcome.

4. Limited color on cycle time / fulfillment speed metrics. Management has referenced "time to shop" improvements as a key competitive differentiator on the commercial side, but specific cycle-time metrics or competitive benchmarks are not disclosed. These would help externally validate the speed-of-delivery competitive advantage.

Market Reaction

  • Pre-print: AZO closed May 26, 2025 at approximately $3,580, near the lower bound of its 52-week range as buy-side modeling discounted ongoing margin pressure.
  • Day-of: Stock opened down 3-4% on the EPS miss and modest gross margin disappointment. Recovered partially through the day as the commercial acceleration story and Mega Hub commentary registered.
  • Closing reaction: Stock closed May 27 down approximately 2.1% on roughly 1.4x average volume — meaningful but not panic. Bear-case commentary focused on margin trajectory and SG&A intensity; bull-case on commercial inflection and capital return.
  • Peer reaction: ORLY traded flat-to-slightly-down in sympathy with the AutoZone print; the read-across was perceived as Industry-positive rather than competitive-share-shift. AAP (Advance Auto Parts) traded slightly higher on its ongoing competitive consolidation narrative.

The post-print reaction was muted relative to the underlying narrative quality. The EPS optical miss obscured what was, on close reading, one of the strongest underlying operating prints AutoZone has delivered in several years. Long-only investors who looked through the FX/LIFO arithmetic to underlying constant-currency EBIT growth of ~10% reacted constructively; momentum traders sold on the headline. We view the post-print weakness as an attractive entry opportunity for long-horizon holders.

Street Perspective

Debate 1: Is the commercial acceleration sustainable or one-quarter anomaly?

Bull view: Three consecutive quarters of accelerating commercial growth (+3.2% → +7.3% → +10.7%), driven by the multi-year combination of Mega Hub deployment, Duralast brand strength, satellite-store inventory deepening, and speed-of-delivery improvements. AutoZone has 5% share of a ~$100B addressable commercial TAM. The structural runway is multi-year.

Bear view: The +10.7% may have benefited from easier prior-year comparisons (commercial was particularly weak in FY24), Easter timing, and the rebound effect from the soft Q1. Sustained low-double-digit / mid-teens growth requires continued initiative execution against intensifying competition. A reversion to mid-single-digit growth is plausible.

Our take: The acceleration is structurally driven. The three-quarter cadence shows initiative-led traction, the underlying transactions growth (+9.8% same-store) confirms volume-led growth, and the runway on Mega Hub deployment alone supports continued acceleration through FY27. We model commercial holding low-to-mid-teens growth through FY26 with low-double-digit growth into FY27-28 as new programs and Mega Hubs mature.

Debate 2: Gross margin pressure — transitory or structural?

Bull view: The Q3 gross margin compression (-77bp; -56bp ex-LIFO) is overwhelmingly driven by transitory factors — DC ramp-up costs that end in Q4, shrink pressure that is being actively managed, and commercial mix pressure that is intentional and operating-profit accretive. Merchandise margin improvement is offsetting at the margin and will continue.

Bear view: Commercial mix is structurally permanent and will continue to compress gross margin as commercial scales toward 35%+ of sales. Tariff cost pass-through may be incomplete in some categories. The 18-19% operating margin franchise may need to be re-rated to a 17-18% structural profile.

Our take: The transitory factors dominate. DC and shrink pressures are well-flagged and time-limited; merchandise margin improvement is structural and tracks the Duralast brand and supply chain initiatives. Commercial mix is real but operating-profit accretive — gross margin compression at constant operating margin is the right trade. We model operating margin holding 17-18% through the investment cycle, with potential expansion back to 19%+ in FY28 as Mega Hubs mature.

Debate 3: Valuation — premium-multiple stalwart or peak-cycle stock?

Bull view: AutoZone is one of the cleanest capital-return compounders in US large-cap retail. Multi-decade share-count reduction, durable industry tailwinds (aging car park, weak new-vehicle market), and a commercial acceleration that has multi-year runway. The premium multiple is earned and the EPS algorithm of mid-single-digit revenue + share buyback + occasional operating leverage supports double-digit per-share EPS growth long-term.

Bear view: AutoZone trades at a peak-cycle multiple (~22x forward EPS) on optically pressured earnings. The investment-cycle SG&A intensity may persist longer than bulls model; competitive intensity in commercial may intensify as Advance Auto Parts completes its restructuring. The risk-reward at current valuation is asymmetric to the downside.

Our take: The valuation is supported by the structural quality of the franchise — 25+ years of disciplined capital allocation, demonstrated commercial acceleration, multi-year Mega Hub runway, and durable industry tailwinds. We accept that the multiple has limited room to expand, but we see EPS growth re-acceleration through FY26-28 driving meaningful absolute returns even at flat multiples. Fair value range $3,800-$4,400 reflects FY27 EPS at the upper end of our model range and a multiple consistent with current trading. We initiate at Outperform with conviction.

Model Implications & Thesis Scorecard

Initiating model setup:

  • FY25 revenue: ~$18.9B (slight beat to ~$18.6B prior consensus expectation, driven by Q3/Q4 commercial acceleration).
  • FY25 gross margin: ~52.4% (compression on commercial mix + LIFO + DC ramp-up); recovery into FY26 as transitory items abate.
  • FY25 EBIT: ~$3.6B (–4-5% YoY on the 52-week basis, dragged by LIFO + FX + DC ramp).
  • FY25 EPS: ~$144 (down from FY24's $149.55 on cyclical pressure).
  • FY26 EPS: $155-$165 base case, reflecting continued buyback, mild operating margin recovery, and commercial acceleration carrying revenue growth.
  • FY27 EPS: $175-$190 base case, with re-acceleration to double-digit growth as the investment cycle peaks and matures stores compound.
  • Fair value range: $3,800-$4,400 (FY27 EPS × 23-24x; supported by share count decline and structural franchise quality).

Thesis Scorecard

Thesis pillarThis quarterDirection
Commercial acceleration+10.7% (vs +7.3% Q2, +3.2% Q1); transactions +9.8%; $5B trailing milestoneStrongly confirmed
Hub / Mega Hub flywheel119 Mega Hubs (+8 in Q); +10 planned for Q4; growing faster than rest of chainConfirmed
DIY resilience+3.0% (best since Q2 FY22); traffic +1.4% (improving); failure/maintenance outperformingConfirmed
International expansion+8.1% CC; 979 stores (+30); 13% of base; 100 international stores opened YTDConfirmed
Capital return engine$250M buyback; –3.1% share count YoY; $1.1B authorization remainingConfirmed
Industry pricing disciplineTariff playbook executing; modest near-term inflation; industry rationalConfirmed
Aging car park tailwindFailure/maintenance outperforming discretionary; structural macro intactConfirmed
SG&A investment cyclePer-store +5.1%; deleverage 108bp; growth-initiative + self-insuranceWatch (transitory)
Gross margin trajectory52.7% (–77bp); DC ramp + shrink + commercial mix; merch margin offsetWatch (transitory)

Rating & Action

Initiating coverage at Outperform. Fair value range $3,800-$4,400. We initiate AutoZone at Outperform on a multi-year thesis combining five compounding levers: demonstrated commercial acceleration, the Hub/Mega Hub flywheel, multi-decade share-repurchase engine, structural industry tailwinds, and accelerating international expansion. The Q3 print confirms the inflection in commercial (third consecutive quarter of acceleration to +10.7%, transactions +9.8% on a same-store basis, first $5B trailing commercial milestone) and validates the strategic framework that has been in market for over a year.

The near-term EPS print is held back by FX (–$1.10/share peso translation), LIFO ($-8M EBIT impact), and elevated SG&A from the investment cycle. None of these compromise the underlying earnings power; FX is mechanical, LIFO will mechanically reverse over the medium term, and SG&A intensity moderates as growth initiatives mature. The combination of commercial acceleration, continued share buyback (–3.1% share count YoY), and Mega Hub deployment supports a path to mid-teens EPS growth into FY27-28.

Risks: tariff-driven inflation pass-through could test consumer demand elasticity; competitive intensity in commercial may intensify; FX volatility on Mexico/Brazil translation continues. We view these as manageable rather than thesis-breaking.

We initiate at Outperform with a $3,800-$4,400 fair value range. We would add on weakness.

Independence Disclosure. Aardvark Labs Capital Research holds no position in AZO and has no investment banking, advisory, or transactional relationship with AutoZone, Inc. or its affiliates. No compensation has been received from AutoZone or any related party in connection with the preparation of this report. The analyst responsible for this report has no personal holdings in AZO or any related security. Views expressed are those of the analyst as of the publication date and are subject to change without notice. This research is conducted independently and is not influenced by any external party.