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Institution59 | Since Filing↕ | YTD↕ | Key People | Total AUM (Long)↓ | Position Count Bucket | Sector Weights |
|---|---|---|---|---|---|---|
 DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven | 19.18%Nov 14, 2025 | - | Stephen Thomas Weber CEO | $14.0B | > 100 positions | |
 Pentwater Capital Management LP Hedge Fund•Event Driven | 3.91%Nov 14, 2025 | - | Matthew Charles Halbower CEO | $10.6B | 20-100 positions | |
A Appaloosa LP Hedge Fund•Event Driven | 5.32%Nov 13, 2025 | - | James Edward Bolin President | $7.1B | 20-100 positions | |
 Gates Capital Management, Inc. Hedge Fund•Event Driven | 9.31%Nov 14, 2025 | - | Jeffrey Linn Gates President | $3.2B | 20-100 positions | |
 Corvex Management LP Hedge Fund•Event Driven | 5.04%Nov 14, 2025 | - | Keith Arlyn Meister Managing Partner | $2.6B | 20-100 positions | |
 Empyrean Capital Partners, LP Hedge Fund•Event Driven | 8.31%Nov 14, 2025 | - | Amos Meron CIO | $1.9B | 20-100 positions | |
C CastleKnight Management LP Hedge Fund•Event Driven | 11.52%Nov 14, 2025 | - | Aaron Michael Weitman CIO | $1.9B | > 100 positions | |
 Burkehill Global Management, LP Hedge Fund•Event Driven | 18.23%Nov 14, 2025 | - | Christopher Daniel Rich Managing Partner | $1.7B | > 100 positions | |
T Two Seas Capital LP Hedge Fund•Event Driven | 15.76%Nov 14, 2025 | - | Sina Nmn Toussi CIO | $1.7B | 20-100 positions | |
 Quinn Opportunity Partners LLC Hedge Fund•Event Driven | 3.85%Nov 13, 2025 | - | Patrick Farley Quinn CCO | $1.4B | > 100 positions | |
A ABRAMS BISON INVESTMENTS, LLC Hedge Fund•Event Driven | 11.46%Nov 14, 2025 | - | Gavin M Abrams Managing Partner | $1.3B | < 20 positions | |
C Clearline Capital LP Hedge Fund•Event Driven | 16.95%Nov 14, 2025 | - | Mohit Bhasin CFO | $1.2B | > 100 positions | |
A AWM Investment Company, Inc. Hedge Fund•Event Driven | 18.44%Nov 13, 2025 | - | David Michael Greenhouse President | $1.1B | > 100 positions | |
 SG Capital Management LLC Hedge Fund•Event Driven | 13.44%Nov 7, 2025 | - | Glen Schneider President | $998.2M | 20-100 positions | |
D DENDUR CAPITAL LP Hedge Fund•Event Driven | 16.39%Nov 14, 2025 | - | Malcolm Andrew Levine CIO | $897.0M | < 20 positions | |
 Engine Capital Management, LLC Hedge Fund•Event Driven | 8.92%Nov 14, 2025 | - | Marc Stephen Diagonale CFO | $842.2M | 20-100 positions | |
N Newtyn Management, LLC Hedge Fund•Event Driven | 19.06%Nov 14, 2025 | - | Noah Gabriel Levy Managing Partner | $816.9M | 20-100 positions | |
 Meteora Capital, LLC Hedge Fund•Event Driven | 0.83%Nov 17, 2025 | - | Vikas K Mittal Managing Partner | $752.0M | > 100 positions | |
 HG Vora Capital Management, LLC Hedge Fund•Event Driven | 9.55%Nov 14, 2025 | - | Michael Lee CFO | $738.0M | < 20 positions | |
 Governors Lane LP Hedge Fund•Event Driven | 5.39%Nov 14, 2025 | - | Isaac Daniel Corre CIO | $712.0M | 20-100 positions | |
 WATER ISLAND CAPITAL LLC Hedge Fund•Event Driven | 1.22%Nov 14, 2025 | - | John Sabbott Orrico CIO | $641.5M | 20-100 positions | |
 Ikarian Capital, LLC Hedge Fund•Event Driven | 15.24%Nov 14, 2025 | - | Neil Tristan Shahrestani CEO | $494.3M | > 100 positions | |
 MASON CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven | 17.06%Nov 14, 2025 | - | Michael Emil Martino Managing Partner | $491.1M | < 20 positions | |
H Harraden Circle Investments, LLC Hedge Fund•Event Driven | 1.91%Nov 13, 2025 | - | Frederick Vincent Fortmiller Jr Managing Partner | $476.2M | 20-100 positions | |
B Birnam Oak Advisors, LP Hedge Fund•Event Driven | 7.13%Nov 14, 2025 | - | Erin Colleen Ross COO | $407.3M | 20-100 positions |