Beneficial ownership — 13D / 13G
85,680 recent Schedule 13D / 13G filings — activist (13D) and passive (13G) stakes above 5% of a class.
Coverage begins December 2024, when the SEC required these schedules to be filed as structured XML.
| Reporting person | Issuer | Schedule | % of class | Event date | Filed |
|---|---|---|---|---|---|
| FARALLON CAPITAL MANAGEMENT LLC | TNGX Tango Therapeutics, Inc. | 13G/A | 9.8% | Jun 30, 2026 | 3mo |
| Keith Crandell | MASS 908 Devices Inc. | 13G/A | 14.1% | Jun 30, 2026 | 3mo |
| Anson Funds Management LP | NXAT Nexus Advanced Technologies Inc. | 13G/A | 1.3% | Jun 30, 2026 | 3mo |
| BROWN ADVISORY INC | ANDG Andersen Group Inc. | 13G/A | 16.64% | Jun 30, 2026 | 3mo |
| BRC Group Holdings, Inc. | DDI DoubleDown Interactive Co., Ltd. | 13G/A | 3.64% | Jun 30, 2026 | 3mo |
| Brannin McBee | CRWV CoreWeave, Inc. | 13G/A | 2.9% | Jun 30, 2026 | 3mo |
| Balyasny Asset Management L.P. | JATT JATT II Acquisition Corp. | 13G | 6.23% | Jun 30, 2026 | 3mo |
| ARISTEIA CAPITAL, L.L.C. | ARCL ARC Group Acquisition I Corp. | 13G | 7.84% | Jun 30, 2026 | 3mo |
| Legal & General Group Plc | FCEL Fuelcell Energy Inc | 13G/A | 3.6% | Jun 30, 2026 | 3mo |
| Polar Asset Management Partners Inc. | RANG Range Capital Acquisition Corp. | 13G/A | 1.6% | Jun 30, 2026 | 3mo |
| Deep Track Capital, LP | MBX MBX Biosciences, Inc. | 13G/A | 3.64% | Jun 30, 2026 | 3mo |
| Empyrean Capital Partners, LP | AGLT Agility Robotics, Inc. | 13G | 7.52% | Jun 30, 2026 | 3mo |
| Harraden Circle Investments, LLC | ENHA Enhanced Group Inc. | 13G/A | 0% | Jun 30, 2026 | 3mo |
| Alyeska Investment Group, L.P. | PEB Pebblebrook Hotel Trust | 13G/A | 2.16% | Jun 30, 2026 | 3mo |
| Point72 Asset Management, L.P. | DSGN Design Therapeutics, Inc. | 13G/A | 3.8% | Jun 30, 2026 | 3mo |
| First Trust Capital Management L.P. | ALF Centurion Acquisition Corp. | 13G/A | 0% | Jun 30, 2026 | 3mo |
| CORSAIR CAPITAL MANAGEMENT, L.P. | CNVS Cineverse Corp. | 13G/A | 3.9% | Jun 30, 2026 | 3mo |
| North Reef Capital Management LP | SBCF Seacoast Banking Corp Of Florida | 13G/A | 4.91% | Jun 30, 2026 | 3mo |
| Vestal Point Capital, LP | GLUE Monte Rosa Therapeutics, Inc. | 13G | 5.4% | Jun 30, 2026 | 3mo |
| Khrom Investments Fund, LP | ACHC Acadia Healthcare Company, Inc. | 13G/A | 0.72% | Jun 30, 2026 | 3mo |
| DISCIPLINED GROWTH INVESTORS INC /MN | AIOT Powerfleet, Inc. | 13G/A | 4.7% | Jun 30, 2026 | 3mo |
| Kenneth Griffin | HIVE HIVE Digital Technologies Ltd. | 13G/A | 4.2% | Jun 30, 2026 | 3mo |
| CP BF Lending, LLC | PARA Parabolic Technologies, Inc. | 13G | 24.8% | Jun 30, 2026 | 3mo |
| D. E. Shaw & Co., L.P. | ARVN Arvinas, Inc. | 13G/A | 5.4% | Jun 30, 2026 | 3mo |
| Brian Venturo | CRWV CoreWeave, Inc. | 13G/A | 3.6% | Jun 30, 2026 | 3mo |
| Alyeska Investment Group, L.P. | BKKT Bakkt, Inc. | 13G/A | 0% | Jun 30, 2026 | 3mo |
| MORGAN STANLEY | BRCB Black Rock Coffee Bar, Inc. | 13G/A | 8.2% | Jun 30, 2026 | 3mo |
| Harraden Circle Investments, LLC | BREZ Breeze Acquisition Corp. II | 13G/A | 0% | Jun 30, 2026 | 3mo |
| Karpus Management, Inc. | DMAA Drugs Made In America Acquisition Corp. | 13G/A | 10.33% | Jun 30, 2026 | 3mo |
| Vestal Point Capital, LP | NRIX Nurix Therapeutics, Inc. | 13G/A | 7.8% | Jun 30, 2026 | 3mo |
| Pentwater Capital Management LP | AMC Amc Entertainment Holdings, Inc. | 13G/A | 0.3% | Jun 30, 2026 | 3mo |
| Driehaus Capital Management LLC | FEIM Frequency Electronics Inc | 13G | 7.18% | Jun 30, 2026 | 3mo |
| Sirenia Capital Management LP | IFRX InflaRx N.V. | 13G | 6.1% | Jun 30, 2026 | 3mo |
| First Light Asset Management, LLC | PVLA Palvella Therapeutics, Inc. | 13G/A | 5.34% | Jun 30, 2026 | 3mo |
| Sirenia Capital Management LP | DNTH Dianthus Therapeutics, Inc. | 13G/A | 3.1% | Jun 30, 2026 | 3mo |
| Fort Baker Capital Management LP | CCII Cohen Circle Acquisition Corp. II | 13G/A | 9.8% | Jun 30, 2026 | 3mo |
| Sirenia Capital Management LP | HELP Helus Pharma Inc. | 13G/A | 4.8% | Jun 30, 2026 | 3mo |
| Polar Asset Management Partners Inc. | IXHL Incannex Healthcare Inc. | 13G | 7% | Jun 30, 2026 | 3mo |
| CastleKnight Master Fund LP | INV Innventure, Inc. | 13G/A | 4.7% | Jun 30, 2026 | 3mo |
| Deep Track Capital, LP | VRDN Viridian Therapeutics, Inc.\DE | 13G/A | 3.25% | Jun 30, 2026 | 3mo |
| METEORA CAPITAL, LLC | HCAC Hall Chadwick Acquisition Corp | 13G/A | 5.22% | Jun 30, 2026 | 3mo |
| METEORA CAPITAL, LLC | VNME Vendome Acquisition Corp I | 13G/A | 9.81% | Jun 30, 2026 | 3mo |
| Rubric Capital Management LP | MGTX MeiraGTx Holdings plc | 13G/A | 9.83% | Jun 30, 2026 | 3mo |
| Greenoaks Capital Partners LLC | NAVN Navan, Inc. | 13G/A | 0.42% | Jun 30, 2026 | 3mo |
| Solas Capital Management, LLC | SNWV SANUWAVE Health, Inc. | 13G/A | 7.1% | Jun 30, 2026 | 3mo |
| PRICE T ROWE ASSOCIATES INC /MD/ | ARGX Argenx SE | 13G/A | 4.3% | Jun 30, 2026 | 3mo |
| Encompass Capital Advisors LLC | AESI Atlas Energy Solutions Inc. | 13G/A | 5.24% | Jun 30, 2026 | 3mo |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | MYX Maywood Acquisition Corp. 2 | 13G | 7.3% | Jun 30, 2026 | 3mo |
| Point72 Asset Management, L.P. | PSIX Power Solutions International, Inc. | 13G/A | 6.5% | Jun 30, 2026 | 3mo |
| ARMISTICE CAPITAL, LLC | GOVX GeoVax Labs, Inc. | 13G/A | 4.99% | Jun 30, 2026 | 3mo |