Micron Technology (MU)

Investment Review After Q3 FY2026 Earnings (2026.06.24)

TL;DR

Micron is the #3 global memory maker (DRAM ~25% share, NAND ~15%), repositioned by the AI era into a strategic supplier of HBM and high-performance memory. Just reported: Q3 FY2026 revenue $41.5B (+346% YoY, +74% QoQ), gross margin 84.9%, operating margin 81%, EPS $25.11 — a blowout fifth straight record. Q4 FY2026 is guided to a record $50B revenue, ~86% gross margin and $31 EPS — still accelerating. Stock at $1,048 at 23x P/E(ttm), with 16 take-or-pay customer agreements (~$100B floor RPO) underwriting the cycle — a modest multiple on peak earnings that still prices in eventual memory-cycle normalization.

Summary

Finding	Assessment
5-Year Stock Return	Stock currently $1,048, vs. $85 (5 years ago). TTM OP surged from a loss to $60.5B. P/E(ttm) at 23x even at record earnings — counter-cyclical.
Business Model	STRONG. #3 global memory maker (DRAM ~25% share, NAND ~15%). HBM leader with in-house design/packaging. 4 business units across data center, mobile, embedded, storage.
Competitive Moat	NARROW. Technology leadership (4 DRAM nodes), oligopoly structure (3 DRAM players), HBM qualification barriers. But memory remains commoditized and cyclical — advantages are temporal.
Past 5-YR Drivers	AI/HBM supercycle ($35B→$100B TAM by CY2028), 4-node technology leadership driving cost/margin expansion, supply discipline from consolidated industry.
Recent Stock Move	Stock currently $1,048, vs. $132 (Jun 2024). +210% in the June quarter. TTM OP to $60.5B; OM 81%. R40 at 427% — highest in our coverage.
Revenue Trend	ACCELERATING Rev YoY: 196% (Q2’26) → 346% (Q3’26).
Margin Trend	EXPANDING OM%: 69% (Q2’26) → 81% (Q3’26).
TTM OP Trajectory	ACCELERATING TTM OP QoQ: 97% (Q2’26) → 106% (Q3’26). TTM OP $60.5B.
Key Opportunities	Q4 FY2026 guided to record $50B revenue, GM ~86%, EPS $31. 16 SCAs (~$100B floor RPO, $22B deposits) underwrite the cycle. HBM4 ramping 2x faster than HBM3E. Record FCF $18.3B, net cash $24.4B, BBB+ upgrade.
Key Risks	Massive CapEx ramp (~$27B FY2026, stepping up FY2027) creates execution and cycle risk. Peak margins (GM 85%, OM 81%) face eventual normalization. Trade/geopolitical impacts excluded from guidance. FCF/OP at 43%, below the 60% threshold.
Catalysts	Q4 FY2026 guide: record $50B ±$1B, GM ~86%, EPS $31. ~$100B RPO disclosure + ~$10B customer deposits in fiscal Q4. HBM4 share/yield ramp. Capital-return step-up from December 2026.
P/E(ttm) Valuation	MODERATE at 23x (cyclical range: low-20s at peak earnings, 90x+ at trough). Counter-cyclical P/E — a low multiple at peak earnings is typical for memory. SCAs aim to dampen the cycle; bears still price in eventual normalization.

Q3 FY2026 Key Data (Mar-May 2026), reported 2026.06.24

Revenue $41.5B (+346% YoY, +74% QoQ). DRAM $31.3B (+343%), NAND $9.9B (+361%); gross margin 84.9% and operating margin 81%, both records. EPS $25.11 (+106% QoQ).
Data center revenue topped $25B (>$100B annualized run-rate). Cloud Memory $13.8B, Core Data Center $11.5B, Mobile/Client $11.5B, Auto/Embedded $4.6B — all-time records.
Q4 FY2026 guided to record $50B revenue (±$1B), GM ~86%, EPS $31. FCF $18.3B record; net cash $24.4B; FY2026 CapEx ~$27B.

Key Takeaways from Earnings Call

An exceptional quarter that beat the high end of guidance on every line. Revenue, gross margin and EPS all set records as DRAM and NAND demand ran far ahead of supply; the $17.6B sequential revenue jump was the largest in company history. Management now frames memory as a "strategic asset" in the AI era, with supply-demand tightness expected to persist beyond calendar 2027.
16 Strategic Customer Agreements are transforming the business model. These multi-year take-or-pay deals (CY2026-2030) cover ~20% of DRAM and ~a third of NAND volume; 14 carry ~$100B cumulative revenue at floor prices, with $22B of customer deposits/commitments ($18B cash). Crucially, gross margins even at the floor price are "well above prior-cycle peaks" — structurally de-risking the next downcycle.
HBM and data center are the engines. Data center revenue exceeded $25B (>$100B annualized) and data center SSD topped $5B, more than doubling sequentially. HBM4 12-high is ramping twice as fast as HBM3E with >$1B already shipped. DRAM prices rose low-60s% and NAND mid-80s% on extreme tightness; Micron targets HBM share close to its DRAM share to protect non-HBM supply.
Balance sheet at its strongest ever, capital return ramping. Record FCF of $18.3B, net cash of $24.4B, and a BBB+ upgrade from all three rating agencies. FY2026 CapEx ~$27B funds Idaho, New York, Taiwan and Singapore fabs, with first new output in mid-2027. From December 2026 Micron intends to return 100% of excess cash to shareholders over time.

Key Segments and Revenue Mix (FY2025)

Segment	FY25 Rev	Mix	Products	End Markets	Key Competitors
Compute & Networking (CNBU)	~$16B	44%	HBM, server DRAM, networking DRAM	AI data centers, cloud, networking	Samsung, SK Hynix
Mobile (MBU)	~$8B	22%	LPDRAM, mobile NAND	Smartphones, AI PCs, tablets	Samsung, SK Hynix
Embedded (EBU)	~$4B	11%	Automotive DRAM/NAND, industrial memory	Automotive (ADAS, L2+/L3), industrial IoT	Samsung, SK Hynix, Winbond
Storage (SBU)	~$8B	22%	Data center SSDs, client SSDs, QLC NAND	Cloud storage, enterprise, consumer	Samsung, SK Hynix, Western Digital, Kioxia
Total FY2025	$36.2B	100%	+46% YoY. HBM TAM CAGR ~40% through CY2028. Record revenue across all BUs.

Business Model

SUPPLIERS

Equipment makers (ASML, Applied Materials, Lam Research)
Silicon wafers & specialty chemicals
Packaging materials
Advanced metalization suppliers

Equipment / Materials →

MICRON

DRAM manufacturing (1-gamma node)
NAND manufacturing (G9 node)
HBM production (HBM4 ramping)
Global fabs (US, Japan, Singapore, Taiwan)
~$27B CapEx FY2026

Memory / Storage → $ Revenue

CUSTOMERS

NVIDIA (GPU/HBM integration)
Hyperscalers (data center servers)
Smartphone OEMs (Samsung, Apple)
PC OEMs (Dell, HP, Lenovo)
Automotive (Tesla, BYD)

Moat Assessment: NARROW

Technology leadership with 4-node advantage: Leading in DRAM (1-gamma), NAND (G9) and HBM (HBM4) with in-house design and advanced packaging. But memory advantages are temporary — rivals can close the gap within 1-2 nodes.
Oligopoly market structure: Only 3 major DRAM producers (Samsung ~40%, SK Hynix ~30%, Micron ~25%). Consolidation supports supply discipline and pricing power — but memory stays more commoditized than logic.
HBM qualification barriers: HBM needs deep co-design with GPU makers and long (6-12 month) qualification cycles. But SK Hynix pioneered HBM and Samsung is catching up — Micron’s HBM position is earned, not locked in.

Stock vs. Earnings — 5-Year Performance

Stock currently $1,048, vs. $85 (5 years ago) — the AI-fueled memory supercycle has transformed Micron from a cyclical commodity player into a strategic AI-infrastructure supplier via HBM.
TTM OP surged from a loss to $60.5B as operating margin reached 81% — the most dramatic margin expansion in the semiconductor industry.
P/E(ttm) sits at 23x even at record earnings as profit growth outpaces the stock. R40 at 427% is the highest of any company we cover.

MU Stock vs TTM Operating Profit — 5-Year Performance

Past 5-Year Key Drivers

AI/HBM supercycle: HBM revenue went from near-zero to a multi-billion run rate; HBM TAM forecast to grow ~40% CAGR to ~$100B by CY2028. Micron’s HBM4 leads on speed with in-house CMOS and packaging.
Technology leadership driving margin expansion: 4 consecutive DRAM node leadership generations; 1-gamma DRAM and G9 NAND ramping as the highest-volume nodes. Node-transition cost cuts compound into massive margin expansion.
Supply discipline transforming cyclicality: Supply constrained beyond CY2026; Micron is signing multi-year take-or-pay deals and spending ~$27B FY2026 CapEx. A 3-player DRAM oligopoly reduces boom-bust severity.

Quarterly Key Metrics

	Q2 2024	Q3 2024	Q4 2024	Q1 2025	Q2 2025	Q3 2025	Q4 2025	Q1 2026	Q2 2026	Q3 2026
Quarter End	Feb 2024	May 2024	Aug 2024	Nov 2024	Feb 2025	May 2025	Aug 2025	Nov 2025	Feb 2026	May 2026
Stock Price	$124	$132	$104	$84	$87	$123	$167	$285	$338	$1048
Stock QoQ	+51%	+6%	-21%	-19%	+3%	+42%	+36%	+71%	+18%	+210%
Rev YoY	58%	82%	93%	84%	38%	37%	46%	57%	196%	346%
OM%	4%	14%	23%	27%	25%	27%	35%	47%	69%	81%
R40 (Rev YoY + OM%)	61%	95%	116%	112%	63%	63%	81%	104%	265%	427%
TTM OP ($M)	$-3,428	$-1,018	$1,935	$5,284	$7,087	$8,636	$10,846	$14,871	$29,319	$60,510
TTM OP QoQ	-40%	-70%	-290%	+173%	+34%	+22%	+26%	+37%	+97%	+106%
FCF/OP ttm	97%	135%	6%	10%	9%	22%	15%	31%	35%	43%
Debt/EBITDA	3.4x	2.1x	1.5x	1.1x	1.0x	1.0x	0.8x	0.5x	0.3x	0.1x
P/E ttm	-42x	-141x	79x	21x	17x	19x	20x	25x	15x	23x

Recent Stock Performance & Drivers

Stock currently $1,048, vs. $132 (Jun 2024). The most dramatic appreciation in our coverage — +210% in the June quarter alone as the AI-memory supercycle went vertical.
TTM OP exploded to $60.5B from a loss two years ago — driven by the HBM ramp, 60%+ DRAM price increases, and margin expansion (OM% to 81%).
P/E(ttm) sits at 23x even at peak earnings as profit growth outpaces the stock. R40 at 427% is the highest we’ve ever recorded.
Cash flow watch: FCF/OP at 43%, below the 60% threshold — record $18.3B FCF, but ~$27B FY2026 CapEx consumes much of the cash as Micron races to add supply.

Opportunities

Q4 FY2026 guided to a record $50B revenue (+21% QoQ), GM ~86%, EPS $31. AI memory demand is structural — data center revenue already exceeds a $100B annualized run-rate, with DRAM and NAND tightness expected to persist beyond CY2027.
16 take-or-pay SCAs underwrite the cycle. ~$100B floor RPO across 14 deals, $22B of customer deposits/commitments, and floor-price gross margins above prior-cycle peaks — structurally de-risking the next downturn.
HBM4 ramping 2x faster than HBM3E, with >$1B already shipped. Data center SSD revenue >$5B (doubled QoQ). A multi-year EUV deal with ASML plus new US and Asia fabs expand supply into 2027-28, funded by record FCF and $24.4B net cash.

Challenges

Massive CapEx ramp creates execution and cycle risk. FY2026 CapEx ~$27B, stepping up in FY2027; fabs in Idaho, New York, Taiwan and Singapore ramp simultaneously. Any construction delay or demand softening risks overcapacity.
Peak-margin sustainability is the core debate. GM 85% and OM 81% are cycle highs; Q4 GM is guided to ~86% but management flags "meaningful moderation" in price increases. Memory stays cyclical — eventual normalization is the bear case.
Trade/geopolitical risk excluded from guidance. Management notes trade or geopolitical impacts are not in the outlook. PC and smartphone units are declining as supply tightness lifts pricing — a macro downturn could compound the eventual reset.

Next 12 Months

Q4 FY2026 guided to record $50B ±$1B, GM ~86%, EPS $31 ±$1. MU has beaten the high end repeatedly; a clean beat would extend the run, while any sign of price moderation would test the $1,000+ stock.
SCA ramp and RPO disclosure. ~$100B RPO on 14 of 16 agreements is reported in the FY2026 10-K, with ~$10B of customer cash deposits landing in fiscal Q4 — key proof points for the new take-or-pay model.
HBM4 share and yield trajectory. HBM4 12-high is ramping 2x faster than HBM3E and reaching mature yields ahead of plan; holding share near Micron’s DRAM share would be the next catalyst.

Next 12-24 Months

FY2027 supply ramp is the key swing. First new output from Idaho ID.1 and Taiwan arrives mid-2027, growing into 2028. If AI demand sustains, this drives durable earnings; a supply catch-up is the classic memory-cycle risk.
Capital-return inflection from December 2026. After the CHIPS anniversary, Micron intends to return 100% of excess cash over time; a structurally stronger balance sheet ($24B net cash, BBB+) reshapes the equity story beyond the cycle.
New demand vectors: agentic AI, autos, robotics. L2+ vehicles carry 5x the memory content of an average car; humanoid robots ~10x an L2+ vehicle. Management sees a multi-decade memory demand cycle beginning late this decade.

Core Metrics Scorecard

	Q4'21	Q1'22	Q2'22	Q3'22	Q4'22	Q1'23	Q2'23	Q3'23	Q4'23	Q1'24	Q2'24	Q3'24	Q4'24	Q1'25	Q2'25	Q3'25	Q4'25	Q1'26	Q2'26	Q3'26
Quarter End	Aug21	Nov21	Feb22	May22	Aug22	Nov22	Feb23	May23	Aug23	Nov23	Feb24	May24	Aug24	Nov24	Feb25	May25	Aug25	Nov25	Feb26	May26
R40 > 40%	✅	✅	✅	✅							✅	✅	✅	✅	✅	✅	✅	✅	✅	✅
R40 accelerate	✅							✅	✅	✅	✅	✅	✅			✅	✅	✅	✅	✅
TTM OP QoQ > 10%	✅	✅	✅						✅	✅				✅	✅	✅	✅	✅	✅	✅
TTM OP QoQ accelerate									✅					✅			✅	✅	✅	✅
TTM FCF/OP > 60%	❌	❌	❌	❌	❌	❌	❌	✅	✅	✅	✅	✅	❌	❌	❌	❌	❌	❌	❌	❌
Debt/EBITDA < 3.5	✅	✅	✅	✅	✅	✅	✅	✅	❌	❌	✅	✅	✅	✅	✅	✅	✅	✅	✅	✅
Total passes	4	3	3	2	1	1	1	3	4	3	4	4	3	4	3	4	5	5	5	5
Stock QoQ	-16%	+31%	-16%	-29%	-9%	+1%	+20%	+5%	+8%	+21%	+51%	+6%	-21%	-19%	+3%	+42%	+36%	+71%	+18%	+210%
P/E ttm	12x	12x	9x	6x	6x	8x	27x	-33x	-15x	-15x	-42x	-141x	79x	21x	17x	19x	20x	25x	15x	23x

Stock QoQ tracks total passes through the memory cycle. In the downturn (Q1’23–Q3’23) passes fell to 1–2 and the stock stalled; as passes climbed to 4–5 from Q3’24 the stock rallied — +71% (Q1’26), +18% (Q2’26) and +210% in Q3’26.
FCF/OP is now the lone failing criterion. Micron has held 5 of 6 passes for four straight quarters (Q4’25–Q3’26); only TTM FCF/OP >60% fails (43% in Q3’26) as ~$27B CapEx consumes operating cash. R40 and Debt/EBITDA (0.1x) pass comfortably.
This is the strongest sustained scorecard in MU’s cycle. R40 > 40%, R40 acceleration, TTM OP QoQ > 10% and its acceleration all fire in Q3’26 — only 5/6 because of the CapEx-driven FCF miss, a “good problem” reflecting the supply build-out.

Chart: R40 vs Stock Price (Since 2020)

Chart: Scorecard Total Passes vs Stock Price (Since 2020)

Q2 FY2026 Key Data, reported 2026.03.18

Revenue $23.9B (3x YoY). Records across DRAM ($18.8B, +207% YoY), NAND ($5.0B, +169% YoY). HBM ramp accelerating; OM% expanded to 76%, R40 at 342% — highest in our coverage.
HBM4 volume shipments begun for NVIDIA Vera Rubin. 16-high product sampled at 48GB per cube (+33% vs HBM4 12H). First 5-year strategic customer agreement signed; data center >50% of industry bit TAM in CY2026.
Q3 FY2026 guided at record $33.5B revenue (+40% QoQ), GM ~81%, EPS $19.15. Q3 single-quarter guidance exceeds full-year FY2024 revenue. 30% dividend hike + $350M share repurchase.

Key Takeaways from Earnings Call

HBM is the structural growth pillar: HBM4 volume shipments have begun for NVIDIA's Vera Rubin platform, with 16-high product sampled and the first 5-year strategic customer agreement signed. Management framed AI memory demand as durable, with DRAM and NAND supply-demand conditions tight through CY2026 and beyond.
Balance sheet transformation: from net debt to net cash position of $6.5B in 3 quarters, with $5B+ debt reduction and record FCF of $6.9B in Q2. Capital returns ramping — 30% dividend hike, $350M repurchase. Net cash position enables aggressive capex ($25B+ in FY2026, stepping up in FY2027) without leverage risk.
Capex and macro caveats: FY2027 capex stepping up meaningfully with $10B+ YoY increase in construction-related spend alone; Idaho, New York, Japan, Singapore, India fabs ramping simultaneously. Management expects PC and smartphone units to decline low-double-digits in CY2026 due to memory supply constraints. Trade/geopolitical impacts explicitly excluded from guidance.

Source: SEC EDGAR annual and quarterly filings, company earnings conference calls and presentations.

Disclaimer: This report is for educational purposes only. NO investment advice.