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| 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% |
| 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 | $21.19 billion | Q4 2025 | 151 | 46.85% | -13.25% |
| 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 | Q4 2025 | 1246 | 13.14% | -0.01% |
| GARDNER LEWIS ASSET MANAGEMENT L P | $394.41 million | Q4 2025 | 77 | 43.43% | -6.69% | |
| GATES CAPITAL MANAGEMENT, INC. | $3.64 billion | $5.59 billion | Q3 2025 | 34 | 60.32% | -3.61% |
| GLAZER CAPITAL, LLC | $2.46 billion | $3.80 billion | Q4 2025 | 372 | 43.51% | 27.67% |
| HARVEST MANAGEMENT LLC | $311.95 million | Q4 2025 | 62 | 73.00% | 34.84% | |
| 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. | $471.74 million | Q4 2025 | 162 | 26.73% | 14.91% | |
| KELLNER CAPITAL, LLC | $55.51 million | Q4 2023 | 18 | 82.85% | -34.70% | |
| KING STREET CAPITAL MANAGEMENT, L.P. | $28.41 billion | $724.35 million | Q4 2025 | 12 | 96.01% | -69.01% |
| KITE LAKE CAPITAL MANAGEMENT (UK) LLP | $59.70 million | Q4 2025 | 4 | 99.99% | -35.85% | |
| LVS ADVISORY | Below $25 million | 5 | ||||
| MAGNETAR FINANCIAL LLC | $23.11 billion | $10.21 billion | Q4 2025 | 896 | 56.23% | -38.16% |
| 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 | $1.02 billion | Q4 2025 | 45 | 49.47% | 35.53% |
| 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 | $282.92 million | Q4 2025 | 44 | 47.98% | -47.04% |
| 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 | $9.71 billion | Q4 2025 | 388 | 30.43% | 14.67% |
| SENATOR INVESTMENT GROUP LP | $5.34 billion | $2.49 billion | Q4 2025 | 59 | 50.97% | -7.85% |
| SILVER BEECH CAPITAL | Below $25 million | 9 | ||||
| SOLUS ALTERNATIVE ASSET MANAGEMENT LP | $3.16 billion | $308.88 million | Q4 2025 | 10 | 100.00% | -0.96% |
| STRATEGIC VALUE PARTNERS, LLC | $21.03 billion | $208.32 million | Q4 2025 | 1 | 100.00% | 0.00% |
| TACONIC CAPITAL ADVISORS LP | $8.76 billion | $203.18 million | Q4 2025 | 19 | 92.72% | -47.76% |
| TETRAGON PARTNERS GP LTD | $19.69 billion | $474.27 million | Q4 2025 | 28 | 86.80% | -36.56% |
| 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 | $261.65 million | Q4 2025 | 17 | 97.29% | 30.04% |
| TYRUS CAPITAL S.A.M. | $10.53 million | Q3 2023 | 27 | 99.43% | -26.02% | |
| UNION SQUARE PARK CAPITAL MANAGEMENT, LLC | $158.62 million | $208.00 million | Q4 2025 | 49 | 58.20% | -26.00% |
| 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 | $2.38 billion | Q4 2025 | 287 | 43.36% | 8.88% |
| YORK CAPITAL MANAGEMENT GLOBAL ADVISORS, LLC | $1.71 billion | $87.78 million | Q3 2025 | 6 | 99.99% | -6.84% |