Twin Securities, Inc.: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 1351351) · Explore on the interactive board
Twin Securities, Inc. disclosed 11 US equity positions worth $195.8m in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 14, 2026). Its largest position is EA at 55.3% of the reported book, followed by WBD, APGE. The top ten holdings are 99.9% of the book, and the portfolio behaves like about 3 equal-weight positions. Versus the prior filing it opened 6 new positions, added to 2, reduced 2 and exited 11. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does Twin Securities, Inc. own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 6 new, 2 added, 2 reduced, 11 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | EA ELECTRONIC ARTS INC | Communication Services | 55.3% | $108.4m | 528,441 | 18% | added |
| 2 | WBD WARNER BROS DISCOVERY INC | Communication Services | 11.0% | $21.5m | 807,012 | -38% | reduced |
| 3 | APGE APOGEE THERAPEUTICS INC | Healthcare | 8.1% | $15.9m | 120,000 | – | new |
| 4 | ROKU ROKU INC | Communication Services | 7.5% | $14.6m | 105,660 | – | new |
| 5 | KVUE KENVUE INC | Consumer Defensive | 7.4% | $14.4m | 754,977 | 57% | added |
| 6 | BLD* TOPBUILD COR | 7.2% | $14.2m | 39,948 | – | new | |
| 7 | PSKY PARAMOUNT SKYDANCE CORP | Communication Services | 1.7% | $3.3m | 334,724 | – | new |
| 8 | OGN ORGANON & CO | Healthcare | 1.2% | $2.4m | 175,100 | – | new |
| 9 | TIC TIC SOLUTIONS INC | Industrials | 0.3% | $625.7k | 77,339 | 0% | held |
| 10 | RNA ATRIUM THERAPEUTICS INC | 0.2% | $356.7k | 26,517 | -47% | reduced | |
| 11 | NSC NORFOLK SOUTHN CORP | Industrials | 0.1% | $205.1k | 652 | – | new |
What did Twin Securities, Inc. sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| CWAN CLEARWATER ANALYTICS HLDGS I | 41.7% | $27.5m |
| HO1 HOLOGIC INC | 20.5% | $13.5m |
| ACLXGBX ARCELLX INC | 9.4% | $6.2m |
| 430 TERNS PHARMACEUTICALS INC | 9.3% | $6.1m |
| APLSUSD APELLIS PHARMACEUTICALS INC | 7.8% | $5.1m |
| RVMD REVOLUTION MEDICINES INC | 5.7% | $3.8m |
| K4F ONESTREAM INC | 2.2% | $1.4m |
| TTWO TAKE-TWO INTERACTIVE SOFTWAR | 1.9% | $1.3m |
| DAWNGBX DAY ONE BIOPHARMACEUTICALS I | 1.0% | $678.1k |
| MANCHESTER UTD PLC NEW | 0.4% | $251.0k |
| SGRY SURGERY PARTNERS INC | 0.2% | $119.5k |
Sector mix
| Sector | Weight |
|---|---|
| Communication Services | 75.5% |
| Healthcare | 9.3% |
| Consumer Defensive | 7.4% |
| Industrials | 0.4% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is Twin Securities, Inc.'s portfolio?
Across every quarter Twin Securities, Inc. has filed, its median largest position is 50.2% of the book and its median top-ten weight is 99.1%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 11.0 completed holding spells, the median lasted 1.0 quarters; 11.0 positions are still open and their final length is unknown.