Twin Securities, Inc.
- SEC CIK
- 0001351351
- Latest filing
- Aug 14, 2026
Holdings in Q4 2025
Holdings as of Dec 31, 2025, filed Feb 17, 2026. Long positions only; changes compare share counts with Q3 2025.
- Positions
- 16
- +3 vs. Q3 2025
- Portfolio value
- $261.1M
- +$62.6M (+31.5%) vs. Q3 2025
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| Cyberark Software LtdM2682V108 | SHS | 133,145 | $59.4M | 22.7% | +86,332+184.4% | Added | – |
| EXASExact Sciences Corp | COM | 483,589 | $49.1M | 18.8% | +483,589 | New | History |
| EAElectronic Arts Inc. | COM | 239,836 | $49.0M | 18.8% | +239,836 | New | History |
| WBDWarner Bros. Discovery, Inc. | Stock | 1,114,989 | $32.1M | 12.3% | +987,272+773.0% | Added | History |
| Avidity Biosciences, Inc.05370A108 | COM | 365,144 | $26.3M | 10.1% | +365,144 | New | – |
| CFLTConfluent, Inc. | CLASS A COM | 505,486 | $15.3M | 5.9% | +505,486 | New | History |
| NSCNorfolk Southern Corp | Stock | 25,200 | $7.28M | 2.8% | +25,200 | New | History |
| KVUEKenvue Inc. | Stock | 405,583 | $7.00M | 2.7% | +405,583 | New | History |
| HOLXHologic Inc | COM | 84,513 | $6.30M | 2.4% | +84,513 | New | History |
| DAYDayforce, Inc. | COM | 39,241 | $2.71M | 1.0% | +39,241 | New | History |
| SGRYSurgery Partners, Inc. | Stock | 170,258 | $2.63M | 1.0% | +27,386+19.2% | Added | History |
| CWANClearwater Analytics Holdings, Inc. | CL A | 49,314 | $1.19M | 0.5% | +49,314 | New | History |
| CDTXCidara Therapeutics, Inc. | COM NEW | 4,900 | $1.08M | 0.4% | +4,900 | New | History |
| TICTIC Solutions, Inc. | COM | 77,339 | $781.9K | 0.3% | −45,717−37.2% | Reduced | History |
| MLYSMineralys Therapeutics, Inc. | COM | 16,737 | $607.4K | 0.2% | +16,737 | New | History |
| MANUManchester United plc | ORD CL A | 14,570 | $232.0K | 0.1% | −193−1.3% | Reduced | History |
Options (1)
Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.
| Security | Class | Puts | Calls |
|---|---|---|---|
| WBDWarner Bros. Discovery, Inc. | Stock | – | $579.3K |
Sold out since Q3 2025 (8)
Positions held at the end of Q3 2025 that are gone from this filing.
| Security | Class | Shares in Q3 2025 | Value in Q3 2025 | % of portfolio in Q3 2025 | History |
|---|---|---|---|---|---|
| VRNAVerona Pharma plc | SPONSORED ADS | 501,113 | $53.5M | 26.9% | History |
| KKellanova | Stock | 553,655 | $45.4M | 22.9% | History |
| MRUSMerus N.V. | COM | 310,263 | $29.2M | 14.7% | History |
| COOPMaverick Merger Sub 2, LLC | COM | 122,358 | $25.8M | 13.0% | History |
| SPRSpirit AeroSystems Holdings, Inc. | COM CL A | 258,381 | $9.97M | 5.0% | History |
| WNSWNS (Holdings) Ltd | COM SHS | 32,814 | $2.50M | 1.3% | History |
| TRMLTourmaline Bio, Inc. | COM | 33,301 | $1.59M | 0.8% | History |
| PLYMPlymouth Industrial REIT, Inc. | COM | 20,146 | $449.9K | 0.2% | History |