Two Sigma Investments reported 5,017 equity positions with a combined reported value of $138.12B in its Q2 2026 Form 13F filing. The ten largest of those positions account for 8.3%of the filing’s reported value.
| # | Security | CUSIP | Class | Reported value | Shares | Weight |
|---|---|---|---|---|---|---|
| 1 | WESTERN DIGITAL CORP | 958102AT2 | NOTE 3.000%11/1 | $1.50B | 88.95M | 1.08% |
| 2 | AMAZON COM INC | 023135106 | COM | $1.36B | 5.72M | 0.99% |
| 3 | NVIDIA CORPORATION | 67066G104 | COM | $1.26B | 6.28M | 0.91% |
| 4 | APPLE INC | 037833100 | COM | $1.21B | 4.18M | 0.88% |
| 5 | TESLA INC | 88160R101 | COM | $1.20B | 2.86M | 0.87% |
| 6 | BERKSHIRE HATHAWAY INC DEL | 084670702 | CL B NEW | $1.14B | 2.27M | 0.82% |
| 7 | JPMORGAN CHASE & CO | 46625H100 | COM | $968.1M | 2.96M | 0.70% |
| 8 | MASTERCARD INCORPORATED | 57636Q104 | CL A | $945.6M | 1.84M | 0.68% |
| 9 | COSTCO WHOLESALE CORPORATION | 22160K105 | COM | $941.3M | 1.01M | 0.68% |
| 10 | ASML HLDG NV | N07059210 | N Y REGISTRY SHS | $918.1M | 462K | 0.66% |
The full 5,017-position filing, quarter-over-quarter position changes, concentration analysis and cross-fund security search are in the Fund Tracker dashboard.
Open Fund TrackerRock Group holds Two Sigma Investments’s 13F filings for Q2 2026, Q1 2026, Q4 2025, Q3 2025, Q2 2025, Q1 2025, Q4 2024, Q3 2024, Q2 2024. Period-over-period comparison — positions added, exited and resized — is available in the dashboard.
Browse all 13F filers on file, or read the Fund Tracker documentation for what Form 13F does and does not disclose.