What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
CIK: 0001351351
Total reported value
$223.5M
$223.5M
16 檔
96.9%
In Q4 2025, Twin Securities, Inc.'s U.S. equity holdings reached a combined market value of $223.5M, distributed across 16 disclosed stock positions.
Twin Securities, Inc. executed strategic sector rebalancing during Q4 2025, establishing 11 new positions while fully exiting 9 holdings and trimming 2 positions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | ✓ | Cyberark Software LTD. Cmn | Stock-Other | 22.70% | — | +184.42% | |
| 2 | EXK | Exact Sciences CORP | Stock-Materials | 18.77% | — | — | |
| 3 | EA | Electronic Arts Inc | Stock-Comm Services | 18.73% | +7.57% | — | |
| 4 | WBD | Warner Bros Discovery Inc | Stock-Comm Services | 12.50% | +1.37% | +511.19% | |
| 5 | RNAGBP | Avidity Biosciences Inc | Stock-Other | 10.07% | — | — | |
| 6 | 8QR | Confluent Inc-class A | Stock-Other | 5.84% | — | — | |
| 7 | NSC | Norfolk Southern CORP | Stock-Industrials | 2.78% | +0.09% | NEW | |
| 8 | KVUE | Kenvue Inc | Stock-Consumer Staples | 2.67% | +2.44% | — | |
| 9 | HO1 | Hologic Inc | Stock-Other | 2.41% | -6.57% | EXIT | |
| 10 | DAY | Dayforce Inc | Stock-Other | 1.04% | — | — | |
| 11 | SGRY | Surgery Partners Inc | Stock-Other | 1.01% | -0.06% | EXIT | |
| 12 | CWAN | Clearwater Analytics Holdings, Inc. | Stock-Tech | 0.45% | -13.36% | EXIT | |
| 13 | CDTX | Cidara Therapeutics Inc | Stock-Other | 0.41% | — | — | |
| 14 | TIC | Tic Solutions Inc | Stock-Other | 0.30% | +0.03% | -37.15% | |
| 15 | MLYS | Mineralys Therapeutics Inc | Stock-Other | 0.23% | — | — | |
| 16 | MANU | Manchester United plc | Stock-Other | 0.09% | -0.12% | EXIT |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | ✓ | Cyberark Software LTD. Cmn | +11.5% | +184.42% | Add |
| 2 | WBD | Warner Bros Discovery Inc | +10.7% | +511.19% | Add |
| 3 | MANU | Manchester United plc | 0% | -1.31% | Trim |
| 4 | TIC | Tic Solutions Inc | -0.5% | -37.15% | Trim |
| 5 | SGRY | Surgery Partners Inc | -0.5% | +19.17% | Add |
| 6 | VRNA | Verona Pharma PLC - Adr | — | EXIT | Sold out |
| 7 | EXK | Exact Sciences CORP | — | NEW | New buy |
| 8 | EA | Electronic Arts Inc | — | NEW | New buy |
| 9 | KEL | Kellanova | — | EXIT | Sold out |
| 10 | ✓ | Merus N V | — | EXIT | Sold out |
| 11 | RNAGBP | Avidity Biosciences Inc | — | NEW | New buy |
| 12 | 07WA | Mr Cooper Group Inc | — | EXIT | Sold out |
| 13 | 8QR | Confluent Inc-class A | — | NEW | New buy |
| 14 | S9Q | Spirit Aerosystems Hold-cl A | — | EXIT | Sold out |
| 15 | NSC | Norfolk Southern CORP | — | NEW | New buy |
| 16 | KVUE | Kenvue Inc | — | NEW | New buy |
| 17 | HO1 | Hologic Inc | — | NEW | New buy |
| 18 | DAY | Dayforce Inc | — | NEW | New buy |
| 19 | ✓ | Wns Holdings LTD | — | EXIT | Sold out |
| 20 | BA | Boeing Co/the | — | EXIT | Sold out |
| 21 | TRML | Tourmaline Bio Inc | — | EXIT | Sold out |
| 22 | CWAN | Clearwater Analytics Holdings, Inc. | — | NEW | New buy |
| 23 | CDTX | Cidara Therapeutics Inc | — | NEW | New buy |
| 24 | MLYS | Mineralys Therapeutics Inc | — | NEW | New buy |
| 25 | PLYM | Plymouth Industrial Reit Inc | — | EXIT | Sold out |
According to official SEC Form 13F filings, Twin Securities, Inc. reported a total U.S. public equity portfolio value of $223.5M across 16 disclosed positions in Q4 2025.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including CYBERARK SOFTWARE LTD. CMN, EXK, EA) accounted for 96.9% of total reported equity market value during Q4 2025.
Top New Position Initiated
EXK
市值: $49.1M
Top Position Liquidated / Trimmed
VRNA
前期市值: $53.5M
During Q4 2025, Twin Securities, Inc.'s top holdings by market value included CYBERARK SOFTWARE LTD. CMN (22.7%)、EXK (18.8%)、EA (18.7%). The largest single position, CYBERARK SOFTWARE LTD. CMN, represented 22.7% of total portfolio value.
In Q4 2025, Twin Securities, Inc. made 25 total portfolio adjustments, initiating 11 new buys, adding to 3 positions, trimming 2 holdings, and fully liquidating 9 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.