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Micron as the Most Undervalued AI Semiconductor Stock · history

Version 8

2026-05-25 19:16 UTC · 263 items

What

Micron Technology has moved from 'undervalued' to 'rerating moment' territory: its stock is up roughly 120% year-to-date [2], both 2025 and 2026 HBM supply are described as sold out [5][6], and analyst coverage now frames sold-out supply as actively reshaping the earnings story [22]. The near-term bull case rests on supply scarcity, 196% revenue growth [1], and a $200 billion capital commitment to AI demand [6], while the structural risk remains Micron's confirmed exclusion from Nvidia's Vera Rubin next-gen platform [11] and Samsung's locked-in HBM4 supply relationships across Nvidia, OpenAI, Google, and potentially Broadcom [14][15][16].

Why it matters

Whether the 'rerating moment' framing reflects permanent multiple expansion driven by structural AI memory demand, or front-running of a near-term earnings peak before Vera Rubin HBM4 exclusions hit the income statement, is the central question for the stock's next leg. A durable rerating requires Micron to convert HBM4E development parity [18] into design wins before Samsung's accumulated hyperscaler relationships compound into the next generation.

Open questions

  • Analyst coverage now uses 'rerating moment' language as the stock reaches 120% YTD [2][22] — does this reflect permanent multiple expansion from structural AI demand, or anticipatory pricing of a near-term earnings peak before platform exclusions affect the income statement?

  • TrendForce places Micron on parallel HBM4E development timelines to Samsung and SK Hynix targeting mid-2026 [18] — does this represent qualification-ready silicon that could enter post-Vera Rubin supply chains, or early-stage development not yet submitted for customer qualification?

  • Both 2025 and 2026 HBM supply are cited as sold out [5][6] and Micron can meet only 50–67% of current demand [4] — if sold-out pricing power persists through 2026, does the resulting cash flow accelerate HBM4E qualification enough to close Samsung's design-win gap before the next platform cycle locks in?

  • Samsung's union planned an 18-day strike [21] while holding confirmed HBM4 positions across Nvidia, OpenAI, Google, and reportedly Broadcom [11][14][15][16] — has any supply disruption materialized that redirected hyperscaler HBM procurement toward Micron or SK Hynix?

Narrative

Micron Technology has become the dominant near-term AI hardware investment story of 2026. Q1 2026 revenue reached $23.8B, up 196% year-over-year [1], the stock is up roughly 120% year-to-date [2] including a 50% surge tied to record sales and supply constraints [3], and CEO Sanjay Mehrotra has stated the company can currently meet only 50–67% of demand from key customers [4]. Both 2025 and 2026 HBM supply are described as sold out [5][6], and Micron has committed to a $200 billion-scale AI demand bet backed by a Virginia Manassas fab expansion exceeding $2 billion to quadruple output [7] and $6.1–6.2 billion in CHIPS Act funding [8]. Jensen Huang has framed AI memory demand as 'still in its first innings' and stated 'DRAM fabs should expand, Nvidia will buy it all' [9], while Bloomberg covered Micron's CEO warning that the memory chip shortage will last beyond 2026 [10].

At the HBM4 product generation, Micron's competitive position is materially weaker. Nvidia's Vera Rubin next-generation AI accelerator will use SK Hynix and Samsung HBM4 without Micron [11], confirmed by independent semiconductor analyst Dr. Robert Castellano [12]. Samsung has passed Nvidia's HBM4 qualification testing [13], secured exclusive HBM4 supply for OpenAI's Titan custom AI chip [14], is positioned to lead 2026 Google TPU HBM4 supply [15], and is reportedly in talks to supply customized HBM4 to Broadcom's AI chip programs [16]. SK Hynix, holding approximately 62% of the current HBM market, is confirmed alongside Samsung for Vera Rubin [17]. This sweep — Samsung and SK Hynix confirmed across Nvidia, OpenAI, Google, and Broadcom at the HBM4 level — means Micron is absent from the supply chains of the four most significant AI compute platforms for the current generation.

The HBM4E generation is the critical variable for whether Micron's Vera Rubin exclusion is a single-generation setback or the start of compounding structural disadvantage. A January 2026 TrendForce report explicitly placed Micron on parallel HBM4E development timelines to Samsung and SK Hynix, with all three targeting mid-2026 for custom HBM4E designs [18] — directly updating an earlier TrendForce projection that had named only Samsung and SK Hynix as targeting 1H26 completion [19]. Samsung separately confirmed HBM4E for 2026 and custom HBM for 2027 [20], while Samsung's union planned an 18-day strike introducing supply-chain fragility into what had appeared to be a dominant competitive position [21].

Financial media coverage has shifted from 'undervalued' to 'rerating moment' framing: Investing.com described sold-out HBM supply as reshaping the earnings story in ways the market is only beginning to price in [22], and io-fund characterized Micron as the HBM memory leader with 120% YTD stock performance [2]. Bull price targets up to $2,000/share [23] continue circulating, and retail-oriented YouTube analyses [24] indicate broadening distribution of the bull thesis. Multiple analysts argue AI has permanently ended memory's boom-bust cycle by tying HBM demand to GPU roadmaps rather than commodity cycles [25][26], while bears point to the Vera Rubin exclusion, Samsung's hyperscaler sweep, HBM price drop risks [27], and structural memory cyclicality as concrete earnings-compression mechanisms that current valuations have not incorporated.

Timeline

  • 2025-08-18: Digitimes projects Micron will sell out its 2026 HBM supply; SK Hynix and Samsung play catch-up [42]
  • 2025-11-13: TrendForce projects HBM4E will capture 40% of the 2027 HBM market; Samsung and SK Hynix named as targeting 1H26 completion, Micron not mentioned [19]
  • 2026-01-01: HBM4 mass production delayed industry-wide to end of Q1 2026 by spec upgrades and Nvidia strategy adjustments [43][44]
  • 2026-01-23: TrendForce reports Samsung's custom HBM4E design targets mid-2026, explicitly paralleling SK Hynix and Micron timelines [18][35]
  • 2026-02-12: Samsung confirms HBM4E for 2026 and custom HBM in 2027 [20]
  • 2026-03-09: Samsung union plans 18-day strike, adding risk to HBM supply chain [21]
  • 2026-03-19: Reuters confirms Samsung as exclusive HBM4 memory supplier for OpenAI's Titan custom AI chip [14][45][46][47][48]
  • 2026-05-18: Milk Road AI calls Micron the most undervalued AI stock and posts a $2,000/share price target [36][23]
  • 2026-05-21: NVIDIA reports $81.6B Q1 revenue (+85% YoY); Jensen Huang's 'DRAM fabs should expand, Nvidia will buy it all' statement circulates; $MU rises to ~$748–$750 [49][50][51][9]
  • 2026-05-22: Virginia 1-alpha DRAM production announcement goes viral; Bloomberg covers Micron CEO warning memory chip shortage will last beyond 2026 [52][53][10]
  • 2026-05-23: Micron CEO says company can meet only 50–67% of demand; CHIPS Act $6.1B award confirmed; 'memory supercycle' framing gains mainstream traction [4][8][41][54][30]
  • 2026-05-24: TechPowerUp confirms Nvidia's Vera Rubin will use SK Hynix and Samsung HBM4 without Micron; Samsung HBM4 passes Nvidia qualification; Samsung in talks to supply HBM4 to Broadcom; Micron Q1 2026 revenue cited at $23.8B (+196% YoY); Virginia fab expansion to quadruple output covered widely [11][13][16][1][55][7][12]
  • 2026-05-25: Analyst coverage frames Micron as facing a 'rerating moment' as sold-out HBM reshapes the earnings story; stock cited at 120% YTD; 2025 HBM supply also confirmed sold out; $200B AI demand bet framing circulates [22][2][5][6][3][24]

Perspectives

Micron CEO Sanjay Mehrotra

AI memory demand is in its 'first innings'; shortages persist beyond 2026; Micron can meet only 50–67% of current demand; Virginia fab expansion exceeds $2 billion to quadruple output

Evolution: Consistent; the sold-out 2025 and 2026 HBM supply framing in recent coverage reinforces and extends the supply-constraint posture without walking back prior statements

[28][29][30][10][4][31][7]

Jensen Huang / NVIDIA

AI has structurally changed memory market dynamics; DRAM fabs should expand because Nvidia 'will buy it all'; Vera Rubin's HBM4 supply awarded to SK Hynix and Samsung without Micron

Evolution: The Vera Rubin HBM4 supply decision remains the first direct Nvidia action that materially qualifies Jensen Huang's broader bullish memory framing as it applies to Micron specifically

[9][32][11][33]

Financial analysts and media (io-fund, Investing.com, ainvest, 24/7 Wall St., TheStreet)

Micron is the HBM memory leader up 120% YTD facing a 'rerating moment' as sold-out supply reshapes earnings; AI has permanently ended memory's boom-bust cycle

Evolution: Coverage has shifted from 'undervalued' framing to 'rerating moment' language, indicating the market is beginning to price in the structural AI memory thesis rather than treating it as a contrarian call

[2][22][6][26][25][34]

Samsung

HBM4 passed Nvidia qualification; exclusive HBM4 supplier for OpenAI's Titan; positioned to lead Google TPU and reportedly Broadcom HBM4 supply; confirmed HBM4E for 2026 and custom HBM for 2027; union planned an 18-day strike introducing supply-chain risk

Evolution: TrendForce placing Micron on parallel HBM4E timelines complicates the prior picture of Samsung as unambiguously ahead at every product generation, though Samsung's accumulated HBM4 hyperscaler relationships remain a durable first-mover advantage

[14][13][15][16][20][21][18]

SK Hynix

Current HBM market leader with ~62% share; confirmed alongside Samsung for Nvidia Vera Rubin HBM4; faces Goldman Sachs downgrade and double-digit HBM price drop risks; reportedly targeting HBM4E completion in 1H26

Evolution: TrendForce's January 2026 report explicitly includes Micron on parallel HBM4E timelines, updating the prior framing of HBM4E as an exclusively Samsung–SK Hynix battleground

[17][27][11][19][18]

TrendForce

HBM4E will capture 40% of the 2027 HBM market; all three suppliers — Samsung, SK Hynix, and Micron — are on parallel mid-2026 custom HBM4E development timelines

Evolution: The January 2026 report explicitly added Micron to HBM4E development timelines, directly revising an earlier projection that named only Samsung and SK Hynix and materially softening the competitive-gap narrative

[19][18][35]

Milk Road AI and social media bulls

Micron is the most undervalued AI trade stock; projects $2,000/share; cites Jensen Huang, Virginia DRAM milestone, and sold-out supply as primary evidence; stock's 120% YTD run and 2025 sold-out history reinforce the thesis

Evolution: Consistent and amplifying; the Vera Rubin exclusion and Samsung's hyperscaler sweep remain unaddressed in public bull framing as retail distribution of the thesis broadens through YouTube and LinkedIn

[23][36][2][5][3][24]

Bearish / skeptical analysts

Memory remains cyclical; Micron's HBM4 exclusion from Vera Rubin is the most concrete bearish data point; HBM prices face double-digit drop risks; Samsung's accumulating ASIC footprint deepens Micron's structural competitive disadvantage

Evolution: TrendForce's HBM4E parity report partially challenges the compounding-lag argument, though Samsung's accumulated HBM4 hyperscaler relationships remain a durable first-mover advantage bears can still cite, and the 'rerating moment' framing raises the valuation bar for the bull case to clear

[37][38][39][40][27][11][16][19]

Tensions

  • Micron's CEO reports meeting only 50–67% of demand and both 2025 and 2026 HBM supply are sold out, signaling near-term scarcity pricing power, while Nvidia's Vera Rubin next-gen platform confirms SK Hynix and Samsung HBM4 without Micron, creating a direct conflict between current financial strength and next-generation competitive exclusion. [4][5][6][11][12]
  • TrendForce places Micron on parallel HBM4E development timelines to Samsung and SK Hynix, suggesting the next generation is not a foregone competitive loss, yet Samsung has simultaneously accumulated locked-in HBM4 supply relationships across Nvidia, OpenAI, Google, and Broadcom whose durable first-mover advantages may persist into HBM4E regardless of development timing parity. [18][20][11][14][15][16]
  • Analyst coverage now frames Micron's 120% YTD run as a 'rerating moment' reflecting structural AI memory demand, while bears argue the Vera Rubin exclusion, Samsung's hyperscaler sweep, and structural memory cyclicality are concrete earnings-compression mechanisms that current valuations have not incorporated. [2][22][11][27][16][37]
  • Jensen Huang and Micron management frame AI supply constraints as extending well beyond 2026, while double-digit HBM price drop forecasts and simultaneous Samsung and SK Hynix HBM4 and HBM4E ramps suggest new capacity additions may relieve the shortage faster than management guidance implies. [9][4][27][19][18]
  • Memory supercycle analysts and Jensen Huang argue AI has permanently ended the semiconductor boom-bust cycle by tying HBM demand to GPU roadmaps, while bears counter that every memory cycle produces 'this time is different' arguments that ultimately end in oversupply-driven collapse. [9][25][26][41][37][39]

Sources

  1. [1] @StockSavvyShay @fiscal_ai $MU delivered a massive Q1 2026, with revenue surging to $23.8B (+196.3% YoY), fueled by expl... — reactive:micron-hbm-bull-case (2026-05-24)
  2. [2] Micron Stock Up 120% YTD: What the HBM Memory Leader Plans ... — reactive:aws-garman-a100-demand
  3. [3] Micron stock surges 50% on record sales and supply constraints — reactive:micron-hbm-bull-case
  4. [4] Micron outlines grim outlook for DRAM supply in first earnings call since killing Crucial memory and SSD brand — CEO says it can only meet half to two-thirds of demand | Tom's Hardware — reactive:micron-hbm-bull-case
  5. [5] Micron Sells Out 2025 HBM Supply: Can It Meet Soaring Demand in 2026? - The Globe and Mail — reactive:micron-hbm-bull-case
  6. [6] Micron's Sold Out 2026 HBM And US$200b Bet On AI Demand — reactive:micron-hbm-bull-case
  7. [7] Micron invests more than $2 billion to expand and modernize ... — reactive:micron-hbm-bull-case
  8. [8] Micron to Receive $6.1 Billion in CHIPS Act Funding — reactive:micron-hbm-bull-case
  9. [9] Jensen Huang’s Bold Message: DRAM Fabs Should Expand, Nvidia Will Buy It All. — reactive:micron-hbm-bull-case
  10. [10] Watch Micron CEO Sees Memory Chip Shortage Lasting Beyond 2026 - Bloomberg — reactive:micron-hbm-bull-case
  11. [11] NVIDIA to Use SK hynix and Samsung HBM4 for "Vera Rubin" Without Micron | TechPowerUp — reactive:nvidia-vera-computex-launch
  12. [12] Micron Is Locked Out of HBM4 in NVIDIA's Vera Rubin Systems — reactive:nvidia-vera-computex-launch
  13. [13] Samsung HBM4 memory sent to NVIDIA 'passes' required tests, mass production is now imminent — reactive:micron-hbm-bull-case
  14. [14] Samsung Elec to supply HBM4 chips to OpenAI, South ... - Reuters — reactive:micron-hbm-bull-case
  15. [15] [News] Samsung HBM4 Reportedly Beats Expectations in Broadcom ... — reactive:micron-hbm-bull-case
  16. [16] Samsung in talks to supply customized HBM4 to Nvidia, Broadcom ... — reactive:micron-hbm-bull-case
  17. [17] SK hynix: next-gen HBM4 memory will enter mass production in 2026 for next-gen AI GPUs — reactive:micron-hbm-bull-case
  18. [18] [News] Samsung’s Custom HBM4E Design Reportedly Aimed for Mid-2026, Parallels SK hynix and Micron — reactive:micron-hbm-bull-case
  19. [19] [News] HBM4E Seen Hitting 40% of 2027 Market; Samsung, SK hynix Reportedly Aim for 1H26 Completion — reactive:micron-hbm-bull-case
  20. [20] Samsung confirms HBM4E for 2026, custom HBM in 2027 - Sammy Fans — reactive:micron-hbm-bull-case
  21. [21] Samsung union plans 18-day strike, adding risk to HBM supply chain — reactive:micron-hbm-bull-case
  22. [22] Micron Faces a Rerating Moment as Sold-Out HBM Supply ... — reactive:micron-hbm-bull-case
  23. [23] Micron will be a $2,000 stock within the next couple of years and Jensen Huang just gave the most important reason why (… — Milk Road AI Twitter (2026-05-18)
  24. [24] Micron (MU): The Bull Case Every Retail Investor Needs to Understand — reactive:micron-hbm-bull-case
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  26. [26] AI demand reshapes semiconductor cycle — reactive:micron-hbm-bull-case
  27. [27] [News] HBM Prices Reportedly Face Double-digit Drop Risks in 2026, Posing Challenges for SK hynix — reactive:micron-hbm-bull-case
  28. [28] RT @TechieUltimatum: Micron CEO Sanjay Mehrotra warns AI chip shortages could stay beyond 2026. — reactive:micron-hbm-bull-case (2026-05-23)
  29. [29] Micron says memory shortage will ‘persist’ beyond 2026 | The Verge — reactive:micron-hbm-bull-case
  30. [30] Micron's CEO says AI memory demand is just in its 'first innings' and memory supply is already insufficient — reactive:micron-hbm-bull-case
  31. [31] Micron CEO forecasts production spend increase to meet ... — reactive:micron-hbm-bull-case
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  36. [36] Micron is one of the most UNDERVALUED stocks in the entire AI trade right now and everyone should be buying at these pri… — Milk Road AI Twitter (2026-05-18)
  37. [37] @ai_hyperbull @TheBigBerbowski Mr. Market doubts Micron can deliver that $100+ EPS growth reliably. Memory is brutally c... — reactive:micron-hbm-bull-case (2026-05-17)
  38. [38] I keep seeing people talk about Micron “crashing like every other chip cycle.” — reactive:micron-hbm-bull-case (2026-05-17)
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  43. [43] HBM4 Mass Production Delayed to End of 1Q26 By Spec Upgrades ... — reactive:nvidia-vera-computex-launch
  44. [44] HBM4 Mass Production Delayed According to TrendForce ... — reactive:nvidia-vera-computex-launch
  45. [45] Samsung Exclusive HBM4 Supplier for OpenAI Titan AI Chip — reactive:micron-hbm-bull-case
  46. [46] OpenAI secures HBM4 supply from Samsung to build its first AI chip ... — reactive:micron-hbm-bull-case
  47. [47] Samsung to Supply HBM4 Memory for OpenAI's Titan AI Chip — reactive:micron-hbm-bull-case
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  49. [49] Micron $MU up 2.1% premarket to ~$748 after NVIDIA's $81.6B revenue +85% YoY reinforces AI memory demand. HSBC and Meliu... — reactive:micron-hbm-bull-case (2026-05-21)
  50. [50] $MU pushing past $750 up 3%+ today as memory market dynamics heavily favor Micron. Supply-side bottlenecks & labor ... — reactive:micron-hbm-bull-case (2026-05-21)
  51. [51] Nvidia’s $81.6B Q1 and strong Q2 guidance reinforced the AI factory buildout narrative, with $MU up around 3% as HBM and... — reactive:micron-hbm-bull-case (2026-05-21)
  52. [52] RT @wallstengine: MICRON STARTS ADVANCED DRAM PRODUCTION IN VIRGINIA — reactive:micron-hbm-bull-case (2026-05-22)
  53. [53] RT @wallstengine: MICRON STARTS ADVANCED DRAM PRODUCTION IN VIRGINIA — reactive:micron-hbm-bull-case (2026-05-22)
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