Two Sigma Investments 13F holdings
The latest 13F-HR filed by Two Sigma Investments covers the period ending 2026-06-30, with 3,963 reported positions. The largest positions by reported value are below, as filed.
Portfolio shape
Two Sigma Investments's largest reported position at June 30, 2026 was WESTERN DIGITAL CORP at 1.1% of the $138B it reported, followed by AMAZON COM INC (1.0%).
The 10 largest positions shown make up 8.6% of reported value across 3,963 positions, so the rest of the portfolio holds 91.4%.
| # | Issuer | Class | CUSIP | Value | Shares | Weight |
|---|---|---|---|---|---|---|
| 1 | WESTERN DIGITAL CORP | NOTE 3.000%11/1 | 958102AT2 | $1,497,883,248 | 88,951,000 | 1.1% |
| 2 | AMAZON COM INC | COM | 023135106 | $1,393,880,724 | 5,848,287 | 1.0% |
| 3 | NVIDIA CORPORATION | COM | 67066G104 | $1,381,015,978 | 6,901,974 | 1.0% |
| 4 | APPLE INC | COM | 037833100 | $1,274,952,858 | 4,406,113 | 0.9% |
| 5 | TESLA INC | COM | 88160R101 | $1,261,924,498 | 3,000,296 | 0.9% |
| 6 | BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | $1,180,767,781 | 2,359,695 | 0.9% |
| 7 | JPMORGAN CHASE & CO | COM | 46625H100 | $982,388,033 | 3,001,216 | 0.7% |
| 8 | ASML HLDG NV | N Y REGISTRY SHS | N07059210 | $978,416,539 | 491,805 | 0.7% |
| 9 | ADVANCED MICRO DEVICES INC | COM | 007903107 | $964,960,638 | 1,661,119 | 0.7% |
| 10 | COSTCO WHOLESALE CORPORATION | COM | 22160K105 | $948,595,580 | 1,014,031 | 0.7% |
What Two Sigma Investments bought, added, trimmed and exited
The free view above is the top of one quarter's filing. The paid report diffs the two most recent 13F filings, so you see new positions, adds, trims and exits with the size of each move, a cited write-up, and the full holdings plus changes table to download.
Generated from public SEC EDGAR filings. Filing data is shown as filed. This is information, not investment advice.