Investor
Twin Securities, Inc.
CIK 0001351351 · filed 2026-05-15 · SEC filing
13F book
$206.1M
Positions
16
8 new · 8 sold
Largest name
44.2%
Electronic Arts Inc. · EA
Est. mark
−$1.86M
Price effect on 8 names still held. Flow −$56.9M.
| Name | Ticker | Shares | Value | Weight | Est. mark | Change |
|---|---|---|---|---|---|---|
| Electronic Arts Inc. | EA | 446.9K | $91.1M | 44.2% | −$110.3K | Added$42.1M |
| Warner Bros. Discovery, Inc. | WBD | 1.3M | $35.7M | 17.3% | −$1.52M | Added$3.56M |
| Clearwater Analytics Hldgs I | — | 1.16M | $27.5M | 13.4% | −$23.2K | Added$26.3M |
| Hologic Inc | — | 179K | $13.5M | 6.6% | $93K | Added$7.24M |
| Kenvue Inc. | KVUE | 480.5K | $8.28M | 4.0% | −$4.06K | Added$1.29M |
| Arcellx Inc | — | 54K | $6.2M | 3.0% | — | New |
| Terns Pharmaceuticals Inc | — | 116K | $6.11M | 3.0% | — | New |
| Apellis Pharmaceuticals Inc | — | 127.4K | $5.13M | 2.5% | — | New |
| Revolution Medicines Inc | — | 38.6K | $3.75M | 1.8% | — | New |
| Onestream Inc | — | 60.4K | $1.45M | 0.7% | — | New |
| Take-Two Interactive Softwar | — | 6.5K | $1.28M | 0.6% | — | New |
| Day One Biopharmaceuticals I | — | 31.6K | $678.1K | 0.3% | — | New |
| Atrium Therapeutics, Inc. | RNA | 49.9K | $667.3K | 0.3% | — | New |
| Tic Solutions Inc | — | 77.3K | $508.9K | 0.2% | −$273K | Held |
| Manchester Utd Plc New | — | 14.9K | $251K | 0.1% | $13.1K | Added$19K |
| Surgery Partners, Inc. | SGRY | 10K | $119.5K | 0.1% | −$35.4K | Cut−$2.51M |
Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.