Two Sigma Investments 13F, Q2 2026
Two Sigma · quarter ending 30 June 2026 · filed 14 August 2026 · SEC CIK 1179392
Common stock only: shares the fund reported owning at the quarter end, valued as filed. The filing also lists 1,116 put and call lines, reported at the value of the underlying shares; they are not ownership and are not in these totals.
Largest positions, Q2 2026
The 25 largest of 3,901 positions. Weights are against the whole filed book. Changes are in shares held, against the Q1 2026 filing.
| Company | Ticker | Value | % of book | vs Q1 2026 |
|---|---|---|---|---|
| WESTERN DIGITAL CORP | WDC 3 11/15/28 | $1.50B | 1.1% | unchanged |
| AMAZON COM INC | AMZN | $1.36B | 1.0% | -10% shares |
| NVIDIA CORPORATION | NVDA | $1.26B | 0.9% | -44% shares |
| APPLE INC | AAPL | $1.21B | 0.9% | -30% shares |
| TESLA INC | TSLA | $1.20B | 0.9% | unchanged |
| BERKSHIRE HATHAWAY INC DEL | BRK/B | $1.14B | 0.9% | +40% shares |
| JPMORGAN CHASE & CO | JPM | $968.08M | 0.7% | -11% shares |
| MASTERCARD INCORPORATED | MA | $945.61M | 0.7% | +10% shares |
| COSTCO WHOLESALE CORPORATION | COST | $941.30M | 0.7% | +15% shares |
| ASML HLDG NV | $918.14M | 0.7% | +22% shares | |
| ADVANCED MICRO DEVICES INC | AMD | $880.32M | 0.7% | +11% shares |
| CITIGROUP INC | C | $831.09M | 0.6% | +38% shares |
| BOSTON SCIENTIFIC CORP | BSX | $826.24M | 0.6% | +106% shares |
| ALPHABET INC | GOOGL | $802.89M | 0.6% | -49% shares |
| LOCKHEED MARTIN CORP | LMT | $799.77M | 0.6% | +16% shares |
| INTUITIVE SURGICAL INC | ISRG | $787.06M | 0.6% | +41% shares |
| SCHWAB CHARLES CORP | SCHW | $777.44M | 0.6% | +57% shares |
| KIMBERLY-CLARK CORP | KMB | $774.39M | 0.6% | +36% shares |
| GOLDMAN SACHS GROUP INC | GS | $762.11M | 0.6% | +106% shares |
| TJX COS INC NEW | TJX | $756.06M | 0.6% | -5% shares |
| T-MOBILE US INC | TMUS | $745.36M | 0.6% | +14% shares |
| ABBOTT LABORATORIES | ABT | $737.38M | 0.6% | +27% shares |
| ROBLOX CORP | RBLX | $731.34M | 0.6% | +12% shares |
| INTERACTIVE BROKERS GROUP IN | IBKR | $725.95M | 0.6% | unchanged |
| MORGAN STANLEY | MS | $715.66M | 0.5% | -9% shares |
What changed since Q1 2026
Against the Q1 2026 filing, Two Sigma Investments opened 665 new positions, added to 1,523, trimmed 1,421, left 292 unchanged and exited 443. Every position is compared, matched on its CUSIP; a change of 2% or less in shares counts as unchanged.
New positions
- INTU$564.15M
- XLE$309.07M
- SPACE EXPLORATION TECHN CORP$303.30M
- ICE$249.82M
- FTV$196.06M
- SUPER MICRO COMPUTER INC$163.86M
- ALPHABET INC$154.98M
- CMCSA$120.29M
and 657 more
Exited
- HONGBPwas $392.68M
- BE 3 06/01/28was $194.24M
- XLKwas $172.11M
- XLREwas $111.53M
- CNP 4.25 08/15/26was $94.74M
- IYRwas $93.07M
- VTR 3.75 06/01/26was $84.75M
- CHTRwas $65.24M
and 435 more
Other quarters
Source: SEC Form 13F-HR, accession 0000899140-26-000855, filed by TWO SIGMA INVESTMENTS, LP. Values are as filed and cover US-listed positions only; a 13F does not show short positions or holdings outside the US. A 13F may be filed up to 45 days after the quarter ends, so the fund may have traded since. Educational information, not financial advice.