Who owns AI

Follow the big money. Who's buying AI, who's selling, who's betting big — from their official filings. 7,656 institutions declare $28.6T in the 219 AI and semiconductor companies tracked on Silicon Floor, in their Form 13F filings for the quarter ended Jun 30, 2026. From Mar 31, 2026 to Jun 30, 2026, the institutions that filed both quarters bought $1.8T and sold $1.6T of these stocks, at each quarter's prices.

Largest holders

  1. Vanguard — $3.6T across 216 companies (index manager)
  2. BlackRock — $3.1T across 217 companies (index manager)
  3. State Street — $1.6T across 213 companies (index manager)
  4. Fidelity (FMR) — $1.2T across 214 companies
  5. Geode Capital — $889.7B across 211 companies (index manager)
  6. Capital Group — $881.7B across 130 companies
  7. JPMorgan — $717.6B across 218 companies
  8. Invesco — $682.5B across 215 companies (index manager)
  9. Morgan Stanley — $626.4B across 218 companies (private wealth platform)
  10. T. Rowe Price — $529.2B across 209 companies
  11. Norges Bank — $478.5B across 160 companies (index manager)
  12. UBS — $462.3B across 218 companies (private wealth platform)
  13. Bank of America — $384.9B across 217 companies (private wealth platform)
  14. Northern Trust — $373.4B across 215 companies (index manager)
  15. Goldman Sachs — $353.3B across 218 companies
  16. Charles Schwab — $263.2B across 209 companies (index manager)
  17. BNY — $245.2B across 213 companies
  18. Legal & General — $235.8B across 215 companies (index manager)
  19. Wellington — $212.6B across 170 companies
  20. Amundi — $203.7B across 194 companies
  21. Nuveen — $201.3B across 213 companies
  22. Franklin Templeton — $188.6B across 199 companies
  23. Ameriprise Financial, Inc. — $172.4B across 208 companies (private wealth platform)
  24. Dimensional — $161.0B across 198 companies
  25. ROYAL BANK OF CANADA — $160.8B across 218 companies

Moves of the quarter

Active managers only: index funds, market makers and private wealth platforms trade on flows, hedges or thousands of accounts.

Convictions

Lines weighing 5% to 50% of an active manager's whole 13F portfolio (portfolios above $500M).

Best-performing AI portfolios

Return of the AI-stock portfolio each active manager declared at the start of the quarter (Form 13F), held unchanged from Jun 30, 2026 to Sep 30, 2026: 1,776 managers with at least $250M in these stocks and five positions; SMH returned -7.1%. Trades made during the quarter are not visible in 13F filings; this is not the return of their funds.

  1. PZENA INVESTMENT MANAGEMENT LLC — +35.5% (+42.7% vs SMH): $3.1B in 15 AI stocks at the start, largest SWKS, CTSH, ACN
  2. Optimus Prime Fund Management Co., Ltd. — +25.1% (+32.3% vs SMH): $645.0M in 9 AI stocks at the start, largest SNOW, AMZN, GOOGL
  3. FERNBRIDGE CAPITAL MANAGEMENT LP — +24.8% (+31.9% vs SMH): $617.0M in 6 AI stocks at the start, largest CRM, INTU, AMZN
  4. Value Partners Investments Inc. — +24.3% (+31.5% vs SMH): $362.2M in 17 AI stocks at the start, largest MSFT, CRM, GOOGL
  5. Generali Powszechne Towarzystwo Emerytalne — +21.7% (+28.9% vs SMH): $348.1M in 9 AI stocks at the start, largest AMZN, NVDA, MSFT
  6. Scharf Investments, LLC — +20.9% (+28.0% vs SMH): $446.3M in 13 AI stocks at the start, largest MSFT, AMZN, META
  7. Ruffer LLP — +20.6% (+27.7% vs SMH): $399.7M in 8 AI stocks at the start, largest AMZN, MSFT, FTNT
  8. Vulcan Value Partners, LLC — +20.0% (+27.1% vs SMH): $895.0M in 6 AI stocks at the start, largest MSFT, AMZN, GOOGL
  9. Van Cleef Asset Management,Inc — +18.7% (+25.9% vs SMH): $320.1M in 19 AI stocks at the start, largest AAPL, GOOGL, PLTR
  10. Maven Securities LTD — +18.6% (+25.7% vs SMH): $315.6M in 16 AI stocks at the start, largest MSFT, META, NVDA

Stakes above 5% (Schedule 13D/G)

Flows by sector

All holders · All tracked companies · The AI market