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Micron's Story: From Its Worst Loss Ever to 'We Can't Tell When Supply Catches Up'

The short answer

In three years, Micron went from a company that had just posted its worst-ever annual loss and cautiously said pricing had 'bottomed,' to one posting an 84.6% quarterly gross margin and telling investors it has no visibility into when supply will catch up with AI-driven demand — while beating its own guidance in 10 of the last 11 quarters, including two quarters where it beat by more than 20%.

The story

September 2023: speaking carefully, from the bottom

Micron closed out fiscal 2023 (ended August 2023) having just posted its worst year on record: revenue cut in half and a $5.8B net loss. On the Q4 FY2023 call, CEO Sanjay Mehrotra offered only a hedged "we believe pricing has now bottomed" — and the very next quarter's EPS guidance still called for a loss of $1.07 per share. This was a company speaking in the careful, qualified language of someone who has been burned before.

Then AI interrupted the script

Three months later, on the Q1 FY2024 call, the language shifted entirely: "we are in the very early stages of a multi-year growth phase catalyzed and driven by generative AI" — a sentence that would repeat, in some form, on every subsequent call. By Q3 FY2024, data-center revenue jumped more than 50% sequentially. By June 2025, Micron announced a $200 billion U.S. investment plan and said it had already sold out its entire 2025 HBM (high-bandwidth memory) production.

The company rewrote its own structure to match the new story

In the FY2025 10-K, Micron restructured its reporting segments entirely, replacing the old CNBU/MBU/EBU/SBU framework with CMBU (cloud)/CDBU (data center)/MCBU (mobile)/AEBU (automotive) — and in the process, the standalone "Storage Business Unit" simply disappeared. That's notable because SBU was the exact segment Micron had written off $101M of goodwill against back in 2023. The competitor list changed too: "Western Digital Corporation" was named as a top-four rival in both the FY2023 and FY2024 10-Ks, but vanished from the FY2025 filing — replaced by "Sandisk Corporation" (reflecting Western Digital's actual 2025 spinoff of its NAND business) plus, for the first time, China's CXMT and YMTC named directly alongside the established rivals. Meanwhile, specific language in the China risk factor — warning that mitigating the 2023 CAC purchase ban "may come at lower prices or gross margins" — was quietly dropped from the FY2025 filing.

By mid-2026, the hedging is gone entirely

On the Q3 FY2026 call (June 2026), Mehrotra's language had flipped completely from "believe" to "we currently do not have line of sight as to when memory supply will be able to catch up with increasing demand." That same call disclosed 16 multi-year "Strategic Customer Agreements" (SCAs), with management repeatedly emphasizing that even the floor prices in those contracts sit above any prior cyclical peak margin. Guidance for the following quarter (FY2026 Q4): roughly $50.0B in revenue and an ~86% gross margin — numbers that would have been unthinkable from the company posting a loss just two years earlier.

Our take, in one line What stands out isn't just that Micron has beaten guidance almost every quarter for three years — it's that analysts are still, as of mid-2026, repeatedly asking management to justify why an 84%-plus gross margin isn't simply a cyclical peak about to reverse, the way it always has before. Management's answer — multi-year contracts with price floors above any past peak — is a genuinely new structural feature this upcycle didn't have last time. Whether that's enough to break Micron's historical boom-bust pattern, or just delays the next one, isn't something these filings can settle on their own.

Guidance scorecard

11 tracked quarterly guidance cycles, FY2024 Q1–FY2026 Q4
QuarterRevenue guidanceActual resultResult
FY2024 Q1$4.4B ±0.2B$4.7BBeat top end
FY2024 Q2$5.3B ±0.2B$5.8BBeat top end
FY2024 Q3$6.6B ±0.2B$6.8BBeat top end
FY2024 Q4$7.6B ±0.2B$7.8BBeat top end
FY2025 Q1$8.7B ±0.2B$8.71BIn line
FY2025 Q2n/a*$8.1BNot comparable*
FY2025 Q3$8.8B ±0.2B$9.3BBeat top end
FY2025 Q4$10.7B ±0.3B$11.3BBeat top end
FY2026 Q1$12.5B ±0.3B$13.6BBeat top end
FY2026 Q2$18.7B ±0.4B$23.9BBeat by +28%
FY2026 Q3$33.5B ±0.75B$41.5BBeat by +24%

10 beats, 1 in-line result, out of 11 — and the size of the beats has widened sharply since early 2026, suggesting AI memory demand has been outrunning even Micron's own internal forecasts, not just outside analyst estimates.

*FY2025 Q2 guidance was reportedly given on the Q1 FY2025 call, which was held as an analyst Q&A session without CEO participation — a full transcript wasn't available for this analysis. Source: CFO guidance and reported-results sections of each quarterly earnings call, FY2024 Q1 through FY2026 Q3.

The recurring question: "Is this margin real?"
Q2 FY2026 analyst: "in prior historical peaks where Micron's margins... peaked in the low sixties, what is the difference between the prior situations versus now?"
Q3 FY2026 analyst: "should we assume some kind of normalization to... the mid eighties versus... the prior peak was in the low sixties?"
The same underlying question — essentially, "won't this just revert to the low-60s% peak of past cycles?" — came up on back-to-back quarterly calls. Management's stock answer both times: the new multi-year Strategic Customer Agreements carry floor prices above any prior peak margin, a genuinely new contractual structure the prior cycle didn't have.

Timeline

  • Sep 2023FY2023 Q4 call: cautious "pricing has now bottomed" language, fresh off a $5.8B annual net loss.
  • Dec 2023FY2024 Q1 call: the "generative AI" growth framing appears for the first time.
  • Mar 2024FY2024 Q2 call: Micron returns to profitability a quarter ahead of its own prior expectation.
  • Jun 2025FY2025 Q3 call: $200B U.S. investment plan announced; 2025 HBM production already sold out.
  • Mar 2026FY2026 Q2 call: quarterly dividend raised 30%; first 5-year Strategic Customer Agreement signed; revenue nearly triples year over year (+196%).
  • Jun 2026FY2026 Q3 call: "no line of sight" on when supply catches demand; revenue $41.5B (+346% YoY); gross margin 84.6%; 16 SCAs disclosed.

Our read

Micron's last three years trace one of the sharpest sentiment reversals in this dataset: from a company cautiously declaring a bottom after its worst-ever loss, to one that beat guidance by more than 20% in back-to-back quarters and says it can't even estimate when supply will catch up with demand. The guidance record backs up the shift — 10 beats and one in-line result in 11 quarters, with the beats growing larger, not smaller, over time. What keeps this from being a simple happy ending is that Micron's own history is the strongest argument for caution here: every prior upcycle in this business has eventually reverted, and analysts pressing the same margin-sustainability question two quarters running suggests the market hasn't fully bought management's "this time is structurally different" argument either.

What we still don't know

  • Whether FY2026 Q4 guidance (~$50.0B revenue, ~86% gross margin) was actually achieved requires results that hadn't been reported as of this writing (fiscal year ended late August 2026).
  • Which companies are party to the 16 disclosed Strategic Customer Agreements isn't named in filings — management has only described them as "four large customers, three mid-sized customers."
  • Whether the ~84% gross margin represents a genuine structural shift or the peak of a cycle is a question management itself hasn't fully closed out, which is exactly why analysts keep re-asking it.
Built from 10-K filings for FY2021 through FY2025 and 12 quarters of earnings call transcripts from Q4 FY2023 (Sep 2023) through Q3 FY2026 (Jun 2026). Tone assessments are qualitative. This is a research summary, not investment advice.

Frequently asked questions

How did Micron's tone change over the last three years?

In September 2023, fresh off a $5.8B annual net loss, CEO Sanjay Mehrotra said only that he 'believed' pricing had bottomed. By June 2026, after a stretch of AI-driven demand, management said it currently has 'no line of sight' into when memory supply will catch up with demand — a complete reversal in confidence.

Is Micron's ~84% gross margin sustainable?

Unclear. Analysts have asked management the same question in at least two consecutive earnings calls (Q2 and Q3 FY2026), since Micron's prior margin peak topped out in the low 60s%. Management points to new multi-year Strategic Customer Agreements with floor prices above any prior peak margin, but the company's own history of sharp cyclical collapses means the market hasn't fully accepted that answer.

What sources does this analysis draw from?

This piece is built from Micron's 10-K filings for FY2021 through FY2025 and 12 quarters of earnings call transcripts from September 2023 to June 2026.