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Twin Securities, Inc.
Twin Securities, Inc. is a New York-based investment adviser and hedge fund manager founded in 1988 by David J. Simon. The firm specializes in merger arbitrage and event-driven investment strategies. It operates with around 5 employees and caters primarily to pooled investment vehicles and other institutional clients, managing hundreds of millions in assets and serving sophisticated investors seeking alternative investment opportunities.
Investment Strategy
Twin Securities, Inc. focuses on merger arbitrage and event-driven strategies. The firm seeks to capitalize on pricing inefficiencies associated with corporate mergers, acquisitions, and other special situations, employing rigorous analysis and discretionary management to generate alpha for pooled investment vehicles. Its philosophy emphasizes risk-adjusted returns, concentrated expertise in event-driven opportunities, and disciplined portfolio construction, targeting sophisticated institutional investors.
Latest 13F Filing Activity
Twin Securities, Inc. filed their most recent 13F report on Jun 30, 2025 disclosing 11 equity positions and 2 options positions with a total 13F market value of $176M. The fund increased holdings in Blueprint Medicines Corp., Hess Corp., Kellanova among other positions. Twin Securities, Inc. reduced exposure to Intra-cellular Therapies Inc., Beacon Roofing Supply Inc., H & E Equipment Services Inc. among others.
Top Holdings
Equity Positions (11)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
K K | KELLANOVA | 19.33% | $34.1M | 428,305 | $80.97 | $79.53 | +$4.9M |
H HES | HESS CORP | 16.05% | $28.3M | 204,131 | $142.98 | $138.54 | +$8.4M |
B BPMC | BLUEPRINT MEDICINES CORP | 8.74% | $15.4M | 120,126 | $128.18 | $128.18 | +$15.4M |
S SGRY | SURGERY PARTNERS INC | 6.45% | $11.4M | 511,716 | $23.21 | $22.23 | +$3.5M |
S SPR | SPIRIT AEROSYSTEMS HLDGS INC | 5.49% | $9.7M | 253,643 | $34.42 | $38.15 | -$570.0K |
Options Positions (2)
Industry Allocation
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