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Ghisallo Capital Management LLC
Ghisallo Capital Management LLC is an investment manager headquartered in Boston, Massachusetts. Founded in 2020, it is registered with the U.S. Securities and Exchange Commission and maintains additional offices in London and Hong Kong. The firm manages $3.8 billion in assets and employs approximately 31 professionals, primarily investors, with no brokers. Ghisallo serves institutional clients and offers global investment management services.
Investment Strategy
Ghisallo Capital Management LLC manages a diversified portfolio focused on both equities and convertible securities. The firm reports 185 holdings as of Q2 2025, with a significant allocation to top positions such as TMUS, BRO, DELL, and convertible debt instruments. Its investment approach is proactive, frequently initiating new positions while actively managing and rebalancing its existing holdings. Ghisallo aims for substantial capital appreciation through dynamic portfolio management and global market exposure.
Latest 13F Filing Activity
Ghisallo Capital Management LLC filed their most recent 13F report on Jun 30, 2025 disclosing 141 equity positions with a total 13F market value of $4B. The fund increased holdings in T-mobile Us Inc., Brown & Brown Inc., Dell Technologies Inc. among other positions. Ghisallo Capital Management LLC reduced exposure to American Elec PWR Co. Inc., Lineage Inc., Ul Solutions Inc. among others.
Top Holdings
Equity Positions (141)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
T TMUS | T-MOBILE US INC | 14.32% | $536.1M | 2,250,000 | $238.26 | $238.26 | +$536.1M |
B BRO | BROWN & BROWN INC | 6.22% | $232.8M | 2,100,000 | $110.87 | $110.87 | +$232.8M |
D DELL | DELL TECHNOLOGIES INC | 4.91% | $183.9M | 1,500,000 | $122.60 | $122.60 | +$183.9M |
A ADT | ADT INC DEL | 3.50% | $130.8M | 15,443,574 | $8.46 | $8.47 | +$126.7M |
L LOAR | LOAR HOLDINGS INC | 2.71% | $101.2M | 1,175,000 | $83.91 | $86.17 | +$87.1M |
Industry Allocation
Investment Team (3)
| Name | Role | Location | |
|---|---|---|---|
 | Equity Research Analyst | Boston, MA , United States | |
 | Portfolio Manager and Partner | New York, NY , United States | |
C Carlo Agostinelli | Managing Director | Hong Kong |
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