BlackRock

BlackRock declares $3.1T in 226 of the 230 AI and semiconductor companies tracked on Silicon Floor, as of Jun 30, 2026 (Form 13F): 45.4% of its $6.7T 13F portfolio. Largest positions: NVIDIA (8.1% of the company) and Apple (8.0% of the company). It is an index manager: its trades follow fund flows, so they are left out of the quarter's moves on /holders. Over time: $3.1T in 226 of these companies for Q2 2026, against $581.1B in 168 for Q4 2019 (13F values as filed). From Mar 31, 2026 to Jun 30, 2026, it bought $73.4B and sold $25.9B of these stocks, at the quarter's prices: a net purchase of $47.5B; 2 new positions and 1 sold out.

Performance of its AI picks

The AI-stock portfolio BlackRock declared for Q2 2026 (Form 13F), held unchanged, returned +3.3% in Q3 2026 (SMH -7.1%). Over the last 12 months, quarter after quarter: +31.4% (SMH +87.2%). Over three years, quarter after quarter: +155.2% (SMH +325.8%). Over five years, quarter after quarter: +171.0% (SMH +389.8%). Trades made during a quarter are not visible in 13F filings: this measures its declared picks, not the return of its funds.

Largest positions

1. NVIDIA (NVDA): $388.6B, 1.94B shares, 8.1% of the company, 5.8% of its portfolio (added this quarter); held since Q4 2019 or earlier
2. Apple (AAPL): $336.5B, 1.16B shares, 8.0% of the company, 5.0% of its portfolio (added this quarter); held since Q4 2019 or earlier
3. Alphabet (GOOGL): $295.4B, 830.9M shares, 6.8% of the company, 4.4% of its portfolio (added this quarter); held since Q4 2019 or earlier
4. Microsoft (MSFT): $226.6B, 607.4M shares, 8.2% of the company, 3.4% of its portfolio (added this quarter); held since Q4 2019 or earlier
5. Amazon (AMZN): $178.4B, 748.4M shares, 6.9% of the company, 2.7% of its portfolio (added this quarter); held since Q4 2019 or earlier
6. Broadcom (AVGO): $150.4B, 398.2M shares, 8.3% of the company, 2.2% of its portfolio (added this quarter); held since Q4 2019 or earlier
7. Micron (MU): $121.0B, 104.8M shares, 9.3% of the company, 1.8% of its portfolio (added this quarter); held since Q4 2019 or earlier
8. Meta Platforms (META): $97.7B, 173.4M shares, 6.8% of the company, 1.5% of its portfolio (added this quarter); held since Q4 2019 or earlier
9. AMD (AMD): $87.3B, 150.3M shares, 9.2% of the company, 1.3% of its portfolio (added this quarter); held since Q4 2019 or earlier
10. Intel (INTC): $59.5B, 426.5M shares, 8.0% of the company, 0.88% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
11. Applied Materials (AMAT): $58.0B, 80.2M shares, 10.1% of the company, 0.86% of its portfolio (added this quarter); held since Q4 2019 or earlier
12. Lam Research (LRCX): $57.5B, 132.7M shares, 10.6% of the company, 0.85% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
13. Cisco (CSCO): $42.1B, 358.7M shares, 9.1% of the company, 0.63% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
14. Caterpillar (CAT): $40.5B, 38.0M shares, 8.3% of the company, 0.60% of its portfolio (added this quarter); held since Q4 2019 or earlier
15. KLA (KLAC): $38.1B, 126.2M shares, 9.7% of the company, 0.57% of its portfolio (added this quarter); held since Q4 2019 or earlier

By sector

• Cloud & AI giants: $1.1T, 37% of its AI holdings, 6 companies
• Chips & compute: $825.8B, 27% of its AI holdings, 38 companies
• Power, electrical & cooling: $255.8B, 8% of its AI holdings, 47 companies
• Equipment & test: $196.8B, 6% of its AI holdings, 30 companies
• AI software: $192.7B, 6% of its AI holdings, 31 companies
• Memory & storage: $183.6B, 6% of its AI holdings, 7 companies
• Interconnect: $100.6B, 3% of its AI holdings, 11 companies
• Servers & systems: $58.1B, 2% of its AI holdings, 12 companies
• Neoclouds & data centers: $53.9B, 2% of its AI holdings, 31 companies
• Optics: $43.5B, 1% of its AI holdings, 13 companies

Biggest changes this quarter

• added to Alphabet (GOOGL): +$6.8B at the quarter's price
• added to Marvell (MRVL): +$6.5B at the quarter's price
• added to Apple (AAPL): +$5.3B at the quarter's price
• added to Microsoft (MSFT): +$5.2B at the quarter's price
• added to Broadcom (AVGO): +$4.6B at the quarter's price
• added to NVIDIA (NVDA): +$3.3B at the quarter's price
• added to Amazon (AMZN): +$3.1B at the quarter's price
• trimmed Intel (INTC): -$2.9B at the quarter's price
• added to AMD (AMD): +$2.7B at the quarter's price
• added to Meta Platforms (META): +$2.6B at the quarter's price

Schedule 13D/G declarations

• Extreme Networks (EXTR): 13G filed Oct 27, 2026: 20.2M shares as of Oct 27, 2026, 15.3% as declared
• TSMC (TSM): 13G filed Oct 27, 2026: 1.33B shares as of Sep 30, 2026, 5.1% as declared
• Tower Semiconductor (TSEM): 13G filed Oct 27, 2026: 7.8M shares as of Sep 30, 2026, 6.8% as declared
• Centrus Energy (LEU): 13G filed Oct 27, 2026: 2.5M shares as of Sep 30, 2026, 12.8% as declared
• Applied Optoelectronics (AAOI): 13G filed Oct 27, 2026: 4.2M shares as of Sep 30, 2026, 4.9% as declared
• Zscaler (ZS): 13G filed Oct 27, 2026: 8.0M shares as of Sep 30, 2026, 4.9% as declared
• Sandisk (SNDK): 13G filed Oct 27, 2026: 11.1M shares as of Sep 30, 2026, 7.7% as declared
• Bitdeer (BTDR): 13G filed Oct 27, 2026: 11.1M shares as of Sep 30, 2026, 4.8% as declared
• Analog Devices (ADI): 13G filed Oct 27, 2026: 43.3M shares as of Sep 30, 2026, 8.9% as declared
• Vertiv (VRT): 13G filed Oct 27, 2026: 26.2M shares as of Sep 30, 2026, 6.8% as declared

Other holders of this size

• State Street: $1.6T in 221 of these companies
• Vanguard: $3.6T in 225 of these companies
• Fidelity (FMR): $1.2T in 223 of these companies
• Geode Capital: $890.9B in 220 of these companies
• Capital Group: $881.7B in 132 of these companies
• JPMorgan: $717.8B in 225 of these companies
• Invesco: $683.3B in 220 of these companies
• Morgan Stanley: $627.0B in 227 of these companies

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