| Name of Fund | AUM | 13-F Portfolio Value | Last 13-F Filed | # Positions | Concentration in Top 10 | % Change (QoQ) |
|---|---|---|---|---|---|---|
| ALPINE GLOBAL MANAGEMENT, LLC | $493.32 million | Q3 2025 | 239 | 52.01% | 11.20% | |
| AQR ARBITRAGE LLC | $2.85 billion | $3.93 billion | Q3 2025 | 448 | 18.52% | -9.80% |
| ARROWGRASS CAPITAL PARTNERS (US) LP | $380.08 million | Q4 2019 | 65 | 48.33% | -71.76% | |
| BALYASNY ASSET MANAGEMENT L.P. | $248.04 billion | $78.91 billion | Q3 2025 | 2843 | 15.31% | 18.82% |
| BARDIN HILL MANAGEMENT PARTNERS LP | $80.29 million | Q3 2025 | 6 | 100.00% | -52.68% | |
| CHEYNE CAPITAL MANAGEMENT (UK) LLP | $37.85 billion | $27.85 million | Q4 2023 | 15 | 93.17% | -19.74% |
| DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | $44.65 billion | $5.95 billion | Q3 2025 | 225 | 34.18% | -3.37% |
| EMPYREAN CAPITAL PARTNERS, LP | $4.99 billion | $2.49 billion | Q3 2025 | 86 | 42.89% | -16.42% |
| FARALLON CAPITAL MANAGEMENT LLC | $42.65 billion | $24.43 billion | Q3 2025 | 144 | 48.30% | 3.24% |
| FIR TREE CAPITAL MANAGEMENT LP | $1.98 billion | $21.81 million | Q2 2025 | 1 | 100.00% | 333.62% |
| GABELLI FUNDS LLC | $21.01 billion | $14.77 billion | Q3 2025 | 1243 | 13.37% | 4.89% |
| GARDNER LEWIS ASSET MANAGEMENT L P | $422.68 million | Q3 2025 | 76 | 48.91% | 5.57% | |
| GATES CAPITAL MANAGEMENT, INC. | $3.64 billion | $5.59 billion | Q3 2025 | 34 | 60.32% | -3.61% |
| GLAZER CAPITAL, LLC | $2.46 billion | $2.98 billion | Q3 2025 | 308 | 40.77% | 6.54% |
| HARVEST MANAGEMENT LLC | $231.34 million | Q3 2025 | 63 | 71.86% | -1.56% | |
| HBK INVESTMENTS L P | $20.31 billion | $9.11 billion | Q3 2025 | 244 | 48.41% | 93.07% |
| HG VORA CAPITAL MANAGEMENT, LLC | $9.25 billion | $737.98 million | Q3 2025 | 14 | 89.51% | -18.71% |
| HGC INVESTMENT MANAGEMENT INC. | $410.52 million | Q3 2025 | 124 | 33.31% | 14.06% | |
| KELLNER CAPITAL, LLC | $55.51 million | Q4 2023 | 18 | 82.85% | -34.70% | |
| KING STREET CAPITAL MANAGEMENT, L.P. | $28.41 billion | $2.34 billion | Q3 2025 | 18 | 95.72% | 122.71% |
| KITE LAKE CAPITAL MANAGEMENT (UK) LLP | $93.05 million | Q3 2025 | 4 | 99.99% | 10.33% | |
| LVS ADVISORY | Below $25 million | 5 | ||||
| MAGNETAR FINANCIAL LLC | $23.11 billion | $16.50 billion | Q3 2025 | 853 | 73.35% | -20.08% |
| MASON CAPITAL MANAGEMENT LLC | $1.96 billion | $491.35 million | Q3 2025 | 6 | 100.00% | -3.94% |
| MELQART ASSET MANAGEMENT (UK) LTD | $3.93 billion | $749.47 million | Q3 2025 | 44 | 49.08% | 7.12% |
| MOAB CAPITAL PARTNERS LLC | $41.02 million | Q3 2021 | 21 | 87.44% | -3.54% | |
| NEXPOINT ASSET MANAGEMENT, L.P. | $2.29 billion | $1.15 billion | Q3 2025 | 98 | 45.44% | 5.08% |
| OWL CREEK ASSET MANAGEMENT, L.P. | $1.82 billion | $3.15 billion | Q3 2025 | 54 | 70.34% | 39.21% |
| P SCHOENFELD ASSET MANAGEMENT LP | $1.82 billion | $534.24 million | Q3 2025 | 39 | 68.68% | 31.45% |
| PAULSON & CO. INC. | $2.97 billion | Q3 2025 | 10 | 100.00% | 47.65% | |
| PENTWATER CAPITAL MANAGEMENT LP | $8.35 billion | $17.88 billion | Q3 2025 | 110 | 58.12% | 15.99% |
| RANGELEY CAPITAL, LLC | $196.94 million | $115.57 million | Q3 2025 | 127 | 41.83% | 37.90% |
| SANDELL ASSET MANAGEMENT CORP. | $178.66 million | Q3 2020 | 30 | 70.16% | -28.51% | |
| SCOGGIN MANAGEMENT LP | $251.02 million | $638.97 million | Q3 2025 | 62 | 67.49% | 32.85% |
| SCULPTOR CAPITAL LP | $43.03 billion | $8.47 billion | Q3 2025 | 369 | 26.33% | 19.76% |
| SENATOR INVESTMENT GROUP LP | $5.34 billion | $2.71 billion | Q3 2025 | 60 | 44.96% | 4.47% |
| SILVER BEECH CAPITAL | Below $25 million | 9 | ||||
| SOLUS ALTERNATIVE ASSET MANAGEMENT LP | $3.16 billion | $311.89 million | Q3 2025 | 9 | 100.00% | 11.49% |
| TACONIC CAPITAL ADVISORS LP | $8.76 billion | $228.95 million | Q3 2025 | 25 | 84.22% | -79.47% |
| TIG ADVISORS, LLC | $2.66 billion | $1.68 billion | Q3 2025 | 75 | 67.33% | -9.52% |
| TUDOR INVESTMENT CORP ET AL | $63.59 billion | $58.00 billion | Q3 2025 | 3290 | 36.29% | 26.32% |
| TWIN SECURITIES, INC. | $224.33 million | $201.20 million | Q3 2025 | 15 | 97.52% | 14.16% |
| TYRUS CAPITAL S.A.M. | $10.53 million | Q3 2023 | 27 | 99.43% | -26.02% | |
| UNION SQUARE PARK CAPITAL MANAGEMENT, LLC | $158.62 million | $281.10 million | Q3 2025 | 56 | 58.39% | 18.11% |
| UPSLOPE CAPITAL MANAGEMENT | Below $25 million | 18 | ||||
| WATER ISLAND CAPITAL LLC | $1.59 billion | $793.31 million | Q3 2025 | 84 | 37.19% | 13.01% |
| WESTCHESTER CAPITAL MANAGEMENT, LLC | $3.97 billion | $2.19 billion | Q3 2025 | 258 | 46.65% | 14.48% |
| YORK CAPITAL MANAGEMENT GLOBAL ADVISORS, LLC | $1.71 billion | $87.78 million | Q3 2025 | 6 | 99.99% | -6.84% |