Latest Twin Securities, Inc. Stock Portfolio
$206Million– No. of Holdings #16
Twin Securities, Inc. Performance:
2026 Q1: -1.22%YTD: -1.22%2025: -0.8%
Performance for 2026 Q1 is -1.22%, and YTD is -1.22%, and 2025 is -0.8%.
About Twin Securities, Inc. and 13F Hedge Fund Stock Holdings
On 2026-05-15, the fund reported it's updated stock portfolio. In the 13F Holdings report, Twin Securities, Inc. reported an equity portfolio of $206.1 Millions as of 31 Mar, 2026.
The top stock holdings of Twin Securities, Inc. are EA, WBD, CWAN. The fund has invested 44.2% of it's portfolio in ELECTRONIC ARTS INC and 17.3% of portfolio in WARNER BROS DISCOVERY INC.
The fund managers got completely rid off CYBERARK SOFTWARE LTD (CYBR), EXACT SCIENCES CORP (EXAS) and AVIDITY BIOSCIENCES INC (RNA) stocks. They significantly reduced their stock positions in SURGERY PARTNERS INC (SGRY). Twin Securities, Inc. opened new stock positions in ARCELLX INC (ACLX), TERNS PHARMACEUTICALS INC (TERN) and APELLIS PHARMACEUTICALS INC (APLS). The fund showed a lot of confidence in some stocks as they added substantially to CLEARWATER ANALYTICS HLDGS I (CWAN), HOLOGIC INC (HOLX) and ELECTRONIC ARTS INC (EA).
The top stock holdings of Twin Securities, Inc. are EA, WBD, CWAN. The fund has invested 44.2% of it's portfolio in ELECTRONIC ARTS INC and 17.3% of portfolio in WARNER BROS DISCOVERY INC.
The fund managers got completely rid off CYBERARK SOFTWARE LTD (CYBR), EXACT SCIENCES CORP (EXAS) and AVIDITY BIOSCIENCES INC (RNA) stocks. They significantly reduced their stock positions in SURGERY PARTNERS INC (SGRY). Twin Securities, Inc. opened new stock positions in ARCELLX INC (ACLX), TERNS PHARMACEUTICALS INC (TERN) and APELLIS PHARMACEUTICALS INC (APLS). The fund showed a lot of confidence in some stocks as they added substantially to CLEARWATER ANALYTICS HLDGS I (CWAN), HOLOGIC INC (HOLX) and ELECTRONIC ARTS INC (EA).
Twin Securities, Inc. Equity Portfolio Value
Last Reported on: 15 May, 2026
Twin Securities, Inc. Annual Return Estimates Vs S&P 500
Our best estimate is that Twin Securities, Inc. made a return of -1.22% in the last quarter. In trailing 12 months, it's portfolio return was -3.19%.
- Performance
- S&P 500
New Buys
| Ticker | $ Bought |
|---|---|
| arcellx inc | 6,198,210 |
| terns pharmaceuticals inc | 6,113,310 |
| apellis pharmaceuticals inc | 5,126,910 |
| revolution medicines inc | 3,753,170 |
| onestream inc | 1,448,930 |
| take-two interactive softwar | 1,283,750 |
| day one biopharmaceuticals i | 678,061 |
| atrium therapeutics inc | 667,337 |
New stocks bought by Twin Securities, Inc.
Additions
| Ticker | % Inc. |
|---|---|
| clearwater analytics hldgs i | 2,260 |
| hologic inc | 111 |
| electronic arts inc | 86.36 |
| kenvue inc | 18.48 |
| warner bros discovery inc | 16.59 |
| manchester utd plc new | 2.4 |
Additions to existing portfolio by Twin Securities, Inc.
Reductions
| Ticker | % Reduced |
|---|---|
| surgery partners inc | -94.11 |
Twin Securities, Inc. reduced stake in above stock
Sold off
| Ticker | $ Sold |
|---|---|
| confluent inc | -15,285,900 |
| exact sciences corp | -49,113,300 |
| avidity biosciences inc | -26,337,800 |
| cyberark software ltd | -59,390,700 |
| dayforce inc | -2,713,910 |
| norfolk southn corp | -7,275,740 |
| mineralys therapeutics inc | -607,386 |
| cidara therapeutics inc | -1,082,360 |
Twin Securities, Inc. got rid off the above stocks
Sector Distribution
Twin Securities, Inc. has about 63.3% of it's holdings in Communication Services sector.
- Communication Services
- Healthcare
- Technology
- Others
| Sector | % |
|---|---|
| Communication Services | 63.3 |
| Healthcare | 17.6 |
| Technology | 13.6 |
| Others | 5.5 |
Market Cap. Distribution
Twin Securities, Inc. has about 71.9% of it's portfolio invested in the large-cap and mega-cap stocks.
- LARGE-CAP
- MID-CAP
- UNALLOCATED
| Category | % |
|---|---|
| LARGE-CAP | 71.9 |
| MID-CAP | 22.2 |
| UNALLOCATED | 5.5 |
Stocks belong to which Index?
About 78.3% of the stocks held by Twin Securities, Inc. either belong to S&P 500 or RUSSELL 2000 index.
- S&P 500
- Others
- RUSSELL 2000
| Index | % |
|---|---|
| S&P 500 | 70 |
| Others | 21.7 |
| RUSSELL 2000 | 8.3 |
Twin Securities, Inc. Holdings Map
This heatmap illustrates the top 50 positions within the fund's portfolio.
Current Stock Holdings of Twin Securities, Inc.
Twin Securities, Inc. has 16 stocks in it's portfolio. About 96.5% of the portfolio is in top 10 stocks. WBD proved to be the most loss making stock for the portfolio. HOLX was the most profitable stock for Twin Securities, Inc. last quarter.
Last Reported on: 15 May, 2026| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| ACLX | arcellx inc | 3.01 | 53,982 | 6,198,210 | new | |||
| APLS | apellis pharmaceuticals inc | 2.49 | 127,440 | 5,126,910 | new | |||
| CDAY | dayforce inc | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| CDTX | cidara therapeutics inc | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| CFLT | confluent inc | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| CWAN | clearwater analytics hldgs i | 13.36 | 1,164,090 | 27,530,700 | added | 2,260 | ||
| CYBR | cyberark software ltd | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| DAWN | day one biopharmaceuticals i | 0.33 | 31,626 | 678,061 | new | |||
| EA | electronic arts inc | 44.21 | 446,948 | 91,119,300 | added | 86.36 | ||
| EXAS | exact sciences corp | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| HOLX | hologic inc | 6.57 | 179,036 | 13,533,300 | added | 111 | ||
| MANU | manchester utd plc new | 0.12 | 14,920 | 250,954 | added | 2.4 | ||
| NSC | norfolk southn corp | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| RNA | avidity biosciences inc | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| RVMD | revolution medicines inc | 1.82 | 38,593 | 3,753,170 | new | |||
| SGRY | surgery partners inc | 0.06 | 10,025 | 119,498 | reduced | -94.11 | ||
| TERN | terns pharmaceuticals inc | 2.97 | 115,958 | 6,113,310 | new | |||
| TTWO | take-two interactive softwar | 0.62 | 6,500 | 1,283,750 | new | |||
| WBD | warner bros discovery inc | 17.32 | 1,299,920 | 35,695,700 | added | 16.59 | ||
| kenvue inc | 4.02 | 480,517 | 8,284,110 | added | 18.48 | |||