Q2 2026 13F · SEC CIK 1351351
Twin Securities, Inc.
Hedge fundFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $195.8M
- Reported positions
- 11
- Holdings vs S&P 500, 3 yrs
- —
- Assets under management
- $317.7M
Twin Securities, Inc. is a hedge fund that reported 11 positions worth $195.8M in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Electronic Arts Inc (EA, 55.3%), Warner Bros Discovery Inc (WBD, 11.0%), Apogee Therapeutics Inc (APGE, 8.1%).
Twin Securities, Inc. holdings all 11 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| EAElectronic Arts Inc | 55.3% | +18.2% | $108.4M |
| WBDWarner Bros Discovery Inc | 11.0% | -37.9% | $21.5M |
| APGEApogee Therapeutics Inc | 8.1% | — | $15.9M |
| ROKURoku Inc | 7.5% | — | $14.6M |
| KVUEKenvue Inc. | 7.4% | +57.1% | $14.4M |
| BLDTopbuild Cor | 7.2% | — | $14.2M |
| PSKYParamount Skydance Corp | 1.7% | — | $3.3M |
| OGNOrganon & Co | 1.2% | — | $2.4M |
| TICTic Solutions Inc | 0.3% | +0.0% | $626K |
| RNAAtrium Therapeutics Inc | 0.2% | -46.9% | $357K |
| NSCNorfolk Southn Corp | 0.1% | — | $205K |
What Twin Securities, Inc. bought and sold in Q2 2026, against Q1 2026.
New positions
- APGE Apogee Therapeutics Inc8.1% of 13F
- ROKU Roku Inc7.5% of 13F
- BLD Topbuild Cor7.2% of 13F
- PSKY Paramount Skydance Corp1.7% of 13F
- OGN Organon & Co1.2% of 13F
- NSC Norfolk Southn Corp0.1% of 13F
Added to
- KVUE Kenvue Inc.+57.1% shares
- EA Electronic Arts Inc+18.2% shares
Reduced
- RNA Atrium Therapeutics Inc-46.9% shares
- WBD Warner Bros Discovery Inc-37.9% shares
Sold out
- CWAN Clearwater Analytics Hldgs Iwas 13.6%
- HOLX Hologic Incwas 6.7%
- ACLX Arcellx Incwas 3.1%
- TERN Terns Pharmaceuticals Incwas 3.0%
- APLS Apellis Pharmaceuticals Incwas 2.5%
- RVMD Revolution Medicines Incwas 1.9%
- OS Onestream Incwas 0.7%
- TTWO Take-Two Interactive Softwarwas 0.6%
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- —
- 3 years
- —
- 5 years
- —
A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $195.8M | 11 |
| Q1 2026 | $202.3M | 16 |
| Q4 2025 | $261.1M | 16 |
| Q3 2025 | $198.5M | 13 |
| Q2 2025 | $113.0M | 11 |
| Q1 2025 | $174.1M | 13 |
| Q4 2024 | $169.6M | 13 |
| Q3 2024 | $85.6M | 12 |
| Q2 2024 | $82.9M | 12 |
| Q1 2024 | $86.1M | 9 |
| Q4 2023 | $92.5M | 8 |
| Q3 2023 | $331.2M | 6 |
Questions about Twin Securities, Inc.'s portfolio
What stocks does Twin Securities, Inc. own?
Twin Securities, Inc.'s latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 11 positions worth $195.8M. The largest are Electronic Arts Inc (EA) at 55.3%, Warner Bros Discovery Inc (WBD) at 11.0%, Apogee Therapeutics Inc (APGE) at 8.1%, Roku Inc (ROKU) at 7.5% and Kenvue Inc. (KVUE) at 7.4%.
What did Twin Securities, Inc. buy last quarter?
In Q2 2026, Twin Securities, Inc. added a new position in Apogee Therapeutics Inc (APGE), a new position in Roku Inc (ROKU), a new position in Topbuild Cor (BLD), a new position in Paramount Skydance Corp (PSKY), a new position in Organon & Co (OGN), Kenvue Inc. (KVUE) (+57.1% shares) and Electronic Arts Inc (EA) (+18.2% shares), compared with its Q1 2026 filing.
What did Twin Securities, Inc. sell last quarter?
In Q2 2026, Twin Securities, Inc. sold all of Clearwater Analytics Hldgs I (CWAN), sold all of Hologic Inc (HOLX), sold all of Arcellx Inc (ACLX), sold all of Terns Pharmaceuticals Inc (TERN), sold all of Apellis Pharmaceuticals Inc (APLS), Atrium Therapeutics Inc (RNA) (-46.9% shares) and Warner Bros Discovery Inc (WBD) (-37.9% shares), compared with its Q1 2026 filing.
When is Twin Securities, Inc.'s next 13F filing due?
13F filings are due 45 days after each quarter ends. Twin Securities, Inc.'s filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.
How much money does Twin Securities, Inc. manage?
Twin Securities, Inc. reported $317.7M of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $195.8M.