Two Sigma's portfolio — Two Sigma Investments

Quantitative firm applying data science and machine learning to markets.

Two Sigma Investments's 13F filing for Q2 2026 lists 3,963 stocks worth $138B, led by WESTERN DIGITAL CORP, AMZN, NVDA. That quarter it opened 642 new positions, added to 1592, reduced 1484 and sold out of 421.

Top holdings, Q2 2026

1. WESTERN DIGITAL CORP — $1.50B (1.1% of the portfolio)
2. AMZN AMAZON COM INC — $1.39B (1.0% of the portfolio)
3. NVDA NVIDIA CORPORATION — $1.38B (1.0% of the portfolio)
4. AAPL APPLE INC — $1.27B (0.9% of the portfolio)
5. TSLA TESLA INC — $1.26B (0.9% of the portfolio)
6. BRK.B BERKSHIRE HATHAWAY INC DEL — $1.18B (0.9% of the portfolio)
7. JPM JPMORGAN CHASE & CO. — $982M (0.7% of the portfolio)
8. ASML ASML HOLDING N V — $978M (0.7% of the portfolio)
9. AMD ADVANCED MICRO DEVICES INC — $965M (0.7% of the portfolio)
10. COST COSTCO WHSL CORP NEW — $949M (0.7% of the portfolio)

Every position in Two Sigma Investments's 13F filing · All famous investors · What they hold in common