Twin Securities, Inc.
- SEC CIK
- 0001351351
- Latest filing
- Aug 14, 2026
Holdings in Q4 2023
Holdings as of Dec 31, 2023, filed Feb 14, 2024. Long positions only; changes compare share counts with Q3 2023.
- Positions
- 8
- +2 vs. Q3 2023
- Portfolio value
- $92.5M
- −$238.7M (−72.1%) vs. Q3 2023
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| KRTXKaruna Therapeutics, Inc. | COM | 126,206 | $39.9M | 43.2% | +126,206 | New | History |
| XUnited States Steel Corp | COM | 255,929 | $12.5M | 13.5% | +255,929 | New | History |
| CERECerevel Therapeutics Holdings, Inc. | COM | 232,705 | $9.87M | 10.7% | +232,705 | New | History |
| SPLKSplunk Inc | COM | 59,650 | $9.09M | 9.8% | +59,650 | New | History |
| EDREndeavor Group Holdings, Inc. | CL A COM | 376,468 | $8.93M | 9.7% | +376,468 | New | History |
| IMGNImmunoGen, Inc. | COM | 221,622 | $6.57M | 7.1% | +221,622 | New | History |
| KVUEKenvue Inc. | Stock | 142,400 | $3.07M | 3.3% | −6,000−4.0% | Reduced | History |
| PXDPioneer Natural Resources Co | COM | 11,500 | $2.59M | 2.8% | +11,500 | New | History |
Options (3)
Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.
Sold out since Q3 2023 (5)
Positions held at the end of Q3 2023 that are gone from this filing.
| Security | Class | Shares in Q3 2023 | Value in Q3 2023 | % of portfolio in Q3 2023 | History |
|---|---|---|---|---|---|
| ATVIActivision Blizzard, Inc. | COM | 2,058,368 | $192.7M | 58.2% | History |
| HZNPHorizon Therapeutics Public Ltd Co | SHS | 800,784 | $92.6M | 28.0% | History |
| SGENSeagen Inc. | COM | 123,892 | $26.3M | 7.9% | History |
| VMWVmware LLC | CL A COM | 74,682 | $12.4M | 3.8% | History |
| SIMOSilicon Motion Technology CORP | SPONSORED ADR | 81,233 | $4.16M | 1.3% | History |