Two Sigma Investments Portfolio
Two Sigma Investments is managed by John Overdeck & David Siegel; 13F filer (CIK 0001179392).
Q2 2026 · 3860 positions · Total reported value $129.08B · Top-10 concentration 8.8%
Turnover: 57.3% · 569 new · 1488 cut · 365 exited
Active Share (vs S&P 500): 72.7% · vs QQQ: 83.3% — share of the book that differs from index weights (higher = more active) · ranking
In its Q2 2026 13F filing, Two Sigma Investments disclosed 3860 equity positions with a combined reported value of $129.08B. The filing implies a diversified portfolio: its ten largest positions account for 8.8% of reported value. HoldingsHub classifies the profile as Mega / Diversified / High Turnover.
The largest disclosed positions as of Q2 2026 were AMZN ($1.39B), NVDA ($1.38B), AAPL ($1.27B). By sector, the heaviest allocations are Technology 20.6%, Consumer Discretionary 15.9%. Versus the prior quarter, allocation shifted toward Financials (+2.1pp), Health Care (+1.6pp) and away from Utilities (-0.5pp), Technology (-1.0pp).
Versus the prior quarter, Two Sigma Investments opened 569 new positions, trimmed 1488 and fully exited 365, a turnover rate of 57.3% of positions. The portfolio's overlap with the prior quarter was 78% of names.
Figures come from the fund's SEC Form 13F filing. 13F reports are filed within 45 days of quarter end and cover long positions of $100,000 or more; they exclude short positions and non-13F asset classes, so treat this page as a quarter-end snapshot rather than the fund's live book.
Sector Allocation
| # | Symbol | Company | Shares | Value | Weight | Change |
|---|---|---|---|---|---|---|
| 1 | AMZN | AMAZON COM INC | 5.85M | $1.39B | 1.08% | Reduce |
| 2 | NVDA | NVIDIA CORPORATION | 6.90M | $1.38B | 1.07% | Reduce |
| 3 | AAPL | APPLE INC | 4.41M | $1.27B | 0.99% | Reduce |
| 4 | TSLA | TESLA INC | 3.00M | $1.26B | 0.98% | Reduce |
| 5 | BRKB | BERKSHIRE HATHAWAY INC DEL | 2.36M | $1.18B | 0.92% | Add |
| 6 | JPM | JPMORGAN CHASE & CO | 3.00M | $982.39M | 0.76% | Reduce |
| 7 | ASML | ASML HLDG NV | 491.81K | $978.42M | 0.76% | Add |
| 8 | AMD | ADVANCED MICRO DEVICES INC | 1.66M | $964.96M | 0.75% | Add |
| 9 | COST | COSTCO WHOLESALE CORPORATION | 1.01M | $948.60M | 0.73% | Add |
| 10 | MA | MASTERCARD INCORPORATED | 1.85M | $947.71M | 0.73% | Add |
| 11 | C | CITIGROUP INC | 6.13M | $857.66M | 0.66% | Add |
| 12 | SPY | STATE STR SPDR S&P 500 ETF T | 1.15M | $857.40M | 0.66% | Add |
| 13 | BSX | BOSTON SCIENTIFIC CORP | 19.42M | $828.86M | 0.64% | Add |
| 14 | GS | GOLDMAN SACHS GROUP INC | 806.85K | $816.02M | 0.63% | Add |
| 15 | LMT | LOCKHEED MARTIN CORP | 1.58M | $804.30M | 0.62% | Add |
| 16 | ISRG | INTUITIVE SURGICAL INC | 2.00M | $796.52M | 0.62% | Add |
| 17 | SCHW | SCHWAB CHARLES CORP | 8.50M | $784.42M | 0.61% | Add |
| 18 | KMB | KIMBERLY-CLARK CORP | 7.12M | $781.05M | 0.60% | Add |
| 19 | TJX | TJX COS INC NEW | 5.00M | $757.84M | 0.59% | Reduce |
| 20 | ABT | ABBOTT LABORATORIES | 8.22M | $745.98M | 0.58% | Add |
| 21 | TMUS | T-MOBILE US INC | 4.44M | $745.36M | 0.58% | Add |
| 22 | RBLX | ROBLOX CORP | 13.47M | $732.45M | 0.57% | Add |
| 23 | IBKR | INTERACTIVE BROKERS GROUP IN | 8.40M | $731.02M | 0.57% | Hold |
| 24 | MS | MORGAN STANLEY | 3.44M | $718.19M | 0.56% | Reduce |
| 25 | MSFT | MICROSOFT CORP | 1.88M | $701.94M | 0.54% | Add |
| 26 | PGR | PROGRESSIVE CORP | 3.04M | $663.22M | 0.51% | Reduce |
| 27 | MU | MICRON TECHNOLOGY INC | 549.47K | $634.25M | 0.49% | Reduce |
| 28 | CMG | CHIPOTLE MEXICAN GRILL INC | 18.60M | $632.46M | 0.49% | Add |
| 29 | WFC | WELLS FARGO & CO | 7.51M | $620.75M | 0.48% | Add |
| 30 | BE | BLOOM ENERGY CORP | 2.04M | $618.24M | 0.48% | Reduce |
| 31 | EQIX | EQUINIX INC | 576.84K | $601.29M | 0.47% | Add |
| 32 | RTX | RTX CORPORATION | 3.12M | $592.61M | 0.46% | Add |
| 33 | ITW | ILLINOIS TOOL WKS INC | 2.15M | $582.52M | 0.45% | Add |
| 34 | BMY | BRISTOL-MYERS SQUIBB CO | 10.09M | $581.52M | 0.45% | Reduce |
| 35 | SNDK | SANDISK CORP | 251.38K | $571.56M | 0.44% | Reduce |
| 36 | INTU | INTUIT | 2.18M | $569.90M | 0.44% | Add |
| 37 | ALNY | ALNYLAM PHARMACEUTICALS INC | 1.88M | $564.71M | 0.44% | Reduce |
| 38 | GH | GUARDANT HEALTH INC | 3.74M | $561.52M | 0.43% | Reduce |
| 39 | WCN | WASTE CONNECTIONS INC | 3.25M | $541.06M | 0.42% | Reduce |
| 40 | CME | CME GROUP INC | 2.42M | $534.44M | 0.41% | Add |
| 41 | ROST | ROSS STORES INC | 2.45M | $520.68M | 0.40% | Reduce |
| 42 | ABNB | AIRBNB INC | 3.56M | $509.95M | 0.40% | Add |
| 43 | MRNA | MODERNA INC | 7.24M | $507.19M | 0.39% | Reduce |
| 44 | CI | THE CIGNA GROUP | 1.82M | $501.52M | 0.39% | Add |
| 45 | AAL | AMERICAN AIRLINES GROUP INC | 27.44M | $495.83M | 0.38% | Add |
| 46 | IONS | IONIS PHARMACEUTICALS INC | 6.25M | $495.75M | 0.38% | Add |
| 47 | AER | AERCAP HOLDINGS NV | 3.40M | $495.29M | 0.38% | Reduce |
| 48 | DOW | DOW HLDGS INC | 18.02M | $493.09M | 0.38% | Add |
| 49 | RSG | REPUBLIC SVCS INC | 2.28M | $485.88M | 0.38% | Add |
| 50 | PLTR | PALANTIR TECHNOLOGIES INC | 4.16M | $484.84M | 0.38% | Reduce |