Skip to content

NVDA$204.6−4.22%TSM$406.1−5.95%SK hynix₩1,418,000−7.08%Samsung Electronics₩225,000−3.02%MU$884.7−5.30%ASML$1,565.9−6.55%AVGO$326.1−5.48%LITE$840.7−8.57%COHR$210.3−11.34%ANET$168.9−8.34%GEV$857.9−3.38%ETN$370.0−6.03%VRT$232.5−5.46%CEG$262.4−0.83%VST$138.4−1.83%PWR$620.7−2.27%HD Hyundai Electric₩424,500−3.63%MP$39.57−4.97%FCX$62.47−5.55%CCJ$76.91−7.88%MSFT$521.9−1.55%META$615.0−1.53%CRWD$250.4−4.10%SMH$522.5−6.98%SPY$755.7−1.77%

Home/Chips & Networking/Bottlenecks/Memory

Korea / US · Chips & Networking

AI Memory (HBM & DRAM)

Three suppliers make essentially all HBM. Each HBM bit consumes several times the wafer area of standard DRAM, crowding out conventional supply.

DRAM wafer→TSV stack→HBM cube→Co-package

88

Tightness score ⓘ

#2 of 56

▲ Tightening

Supply concentration5

Lead time4

Capex intensity5

Geopolitical exposure4

Pricing power5

Lead time

12–18 mo

Theme 1M

−18.8%

% in uptrend

0%

Metric to watch

HBM contract commentary, DRAM contract prices, and Korea semiconductor exports.

What would prove us wrong

Weakens if HBM inventory builds and pricing softens while GPU shipments rise.

Dependencies

↑ supplier Chip Equipment (Deposition, Etch, Inspection)66 ↑ supplier Specialty & Industrial Gases52 ↓ customer Chip Packaging (CoWoS)80 ↓ customer AI Storage (Enterprise SSD & HDD)72 ↓ customer AI Devices & Edge45

Memory theme performance

Equal-weight · rebased 100 · 1Y

Stocks we track

Who controls this bottleneck

Roles, not recommendations. Delayed prices; local currency.

Stock	Role	Listing	Last	1D	1M	3M	YTD	Off 52w high	Trend	Next earnings
MU Micron Technology	US HBM/DRAM supplier; allocation thesis pulse	NASDAQ US	$884.7	−5.30%	−19.4%	+6.7%	+210.2%	−27.1%		2026-12-23
000660.KS SK hynix	HBM share leader	KRX Korea	₩1,418,000	−7.08%	−19.7%	−8.5%	+118.3%	−51.4%		2027-01-27
005930.KS Samsung Electronics	HBM, DRAM and foundry across memory and logic	KRX Korea	₩225,000	−3.02%	−17.4%	+2.3%	+88.2%	−37.9%		2027-01-27

Recent headlines

Auto-updated

Kioxia’s NAND price slowdown and what it means for memory stocksInvesting.com · 2h ago
SK Hynix Stocks Decline 7.1% With Long-Term Memory Contracts in FocusTradingView · 2h ago
Micron Became One of the 10 Biggest Holdings in S&P 500 Index Funds. What Does That Mean for the Stock?Yahoo Finance · 5h ago
SK Hynix Just Delivered Fantastic News for MicronYahoo Finance · 7h ago
Samsung Electro-Mechanics bags $659 million AI server supply dealSammy Fans · 7h ago
Micron Stock Slides As China’s CXMT DRAM Threat Rattles TradersStocksToTrade · 8h ago