Ken Griffin's portfolio — Citadel Advisors

Multi-strategy giant holding thousands of positions across many trading teams.

Citadel Advisors's 13F filing for Q2 2026 lists 7,164 stocks worth $875B, led by SPY, QQQ, MU. That quarter it opened 1450 new positions, added to 3105, reduced 2471 and sold out of 1019.

Top holdings, Q2 2026

1. SPY SPDR S&P 500 ETF TR — $59.2B (6.8% of the portfolio)
2. QQQ Invesco Qqq Tr — $50.1B (5.7% of the portfolio)
3. MU MICRON TECHNOLOGY INC — $39.3B (4.5% of the portfolio)
4. TSLA TESLA INC — $23.8B (2.7% of the portfolio)
5. NVDA NVIDIA CORPORATION — $23.7B (2.7% of the portfolio)
6. SNDK SANDISK CORP — $22.2B (2.5% of the portfolio)
7. AMD ADVANCED MICRO DEVICES INC — $19.3B (2.2% of the portfolio)
8. MSFT MICROSOFT CORP — $17.4B (2.0% of the portfolio)
9. AAPL APPLE INC — $17.4B (2.0% of the portfolio)
10. SMH VANECK ETF TRUST — $16.5B (1.9% of the portfolio)

Every position in Citadel Advisors's 13F filing · All famous investors · What they hold in common