Twin Securities, Inc.
- SEC CIK
- 0001351351
- Latest filing
- Aug 14, 2026
Holdings in Q1 2026
Holdings as of Mar 31, 2026, filed May 15, 2026. Long positions only; changes compare share counts with Q4 2025.
- Positions
- 16
- 0 vs. Q4 2025
- Portfolio value
- $202.3M
- −$58.8M (−22.5%) vs. Q4 2025
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| EAElectronic Arts Inc. | COM | 446,948 | $91.1M | 45.0% | +207,112+86.4% | Added | History |
| WBDWarner Bros. Discovery, Inc. | Stock | 1,299,915 | $35.7M | 17.6% | +184,926+16.6% | Added | History |
| CWANClearwater Analytics Holdings, Inc. | CL A | 1,164,090 | $27.5M | 13.6% | +1,114,776+2,260.6% | Added | History |
| HOLXHologic Inc | COM | 179,036 | $13.5M | 6.7% | +94,523+111.8% | Added | History |
| KVUEKenvue Inc. | Stock | 480,517 | $8.28M | 4.1% | +74,934+18.5% | Added | History |
| ACLXArcellx, Inc. | COMMON STOCK | 53,982 | $6.20M | 3.1% | +53,982 | New | History |
| TERNTerns Pharmaceuticals, Inc. | COM | 115,958 | $6.11M | 3.0% | +115,958 | New | History |
| APLSApellis Pharmaceuticals, Inc. | COM | 127,440 | $5.13M | 2.5% | +127,440 | New | History |
| RVMDRevolution Medicines, Inc. | COM | 38,593 | $3.75M | 1.9% | +38,593 | New | History |
| OSOneStream, Inc. | CL A | 60,372 | $1.45M | 0.7% | +60,372 | New | History |
| TTWOTake Two Interactive Software Inc | COM | 6,500 | $1.28M | 0.6% | +6,500 | New | History |
| DAWNDay One Biopharmaceuticals, Inc. | Stock | 31,626 | $678.1K | 0.3% | +31,626 | New | History |
| RNAAtrium Therapeutics, Inc. | COM | 49,913 | $667.3K | 0.3% | +49,913 | New | History |
| TICTIC Solutions, Inc. | COM | 77,339 | $508.9K | 0.3% | 00.0% | Unchanged | History |
| MANUManchester United plc | ORD CL A | 14,920 | $251.0K | 0.1% | +350+2.4% | Added | History |
| SGRYSurgery Partners, Inc. | Stock | 10,025 | $119.5K | 0.1% | −160,233−94.1% | 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 |
|---|---|---|---|
| RVMDRevolution Medicines, Inc. | COM | $3.79M | – |
Sold out since Q4 2025 (8)
Positions held at the end of Q4 2025 that are gone from this filing.
| Security | Class | Shares in Q4 2025 | Value in Q4 2025 | % of portfolio in Q4 2025 | History |
|---|---|---|---|---|---|
| Cyberark Software LtdM2682V108 | SHS | 133,145 | $59.4M | 22.7% | – |
| EXASExact Sciences Corp | COM | 483,589 | $49.1M | 18.8% | History |
| Avidity Biosciences, Inc.05370A108 | COM | 365,144 | $26.3M | 10.1% | – |
| CFLTConfluent, Inc. | CLASS A COM | 505,486 | $15.3M | 5.9% | History |
| NSCNorfolk Southern Corp | Stock | 25,200 | $7.28M | 2.8% | History |
| DAYDayforce, Inc. | COM | 39,241 | $2.71M | 1.0% | History |
| CDTXCidara Therapeutics, Inc. | COM NEW | 4,900 | $1.08M | 0.4% | History |
| MLYSMineralys Therapeutics, Inc. | COM | 16,737 | $607.4K | 0.2% | History |