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 |
|---|---|---|---|---|---|
| SYSTEMATIC FINANCIAL MANAGEMENT LP | LYTS Lsi Industries Inc | 13G/A | 6.68% | Jun 30, 2026 | 3mo |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | KVHI Kvh Industries Inc De | 13G/A | 4.48% | Jun 30, 2026 | 3mo |
| ARK Investment Management LLC | PACB Pacific Biosciences Of California, Inc. | 13G/A | 9.59% | Jun 30, 2026 | 3mo |
| BAKER BROS. ADVISORS LP | CERS Cerus Corp | 13G/A | 3.2% | Jun 30, 2026 | 3mo |
| NOMURA HOLDINGS INC | ITGR Integer Holdings Corp | 13G | 5.4% | Jun 30, 2026 | 3mo |
| MILLENNIUM MANAGEMENT LLC | FAC Factorial Energy Inc. | 13G/A | 0.5% | Jun 30, 2026 | 3mo |
| AMERIPRISE FINANCIAL INC | BRBR Bellring Brands, Inc. | 13G | 5% | Jun 30, 2026 | 3mo |
| METEORA CAPITAL, LLC | BHAV BHAV Acquisition Corp | 13G/A | 0% | Jun 30, 2026 | 3mo |
| Paradigm Biocapital Advisors LP | VRDN Viridian Therapeutics, Inc.\DE | 13G/A | 6.1% | Jun 30, 2026 | 3mo |
| MASON CAPITAL MANAGEMENT LLC | NVRI Enviri Corp | 13G/A | 0% | Jun 30, 2026 | 3mo |
| PERCEPTIVE ADVISORS LLC | XFOR X4 Pharmaceuticals, Inc | 13G/A | 8.1% | Jun 30, 2026 | 3mo |
| Ryan Israel | PS Pershing Square Inc. | 13G | 7.8% | Jun 30, 2026 | 3mo |
| Joseph D. Burns | AIRO AIRO Group Holdings, Inc. | 13G | 5.3% | Jun 30, 2026 | 3mo |
| METEORA CAPITAL, LLC | JACS Jackson Acquisition Co II | 13G/A | 2.22% | Jun 30, 2026 | 3mo |
| WHITEBOX ADVISORS LLC | ELBM Electra Battery Materials Corp | 13G/A | 9.9% | Jun 30, 2026 | 3mo |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | OHAC Oceanhawk Acquisition Corp. | 13G | 7.9% | Jun 30, 2026 | 3mo |
| Pantera Capital Partners LP | DYNC Dynamix Corp | 13G/A | 0% | Jun 30, 2026 | 3mo |
| American Century Investment Management, Inc. | AMCX AMC Global Media Inc. | 13G | 5.2% | Jun 30, 2026 | 3mo |
| FR Capital Holdings, L.P. | MRLN Merlin, Inc. | 13G/A | 12.6% | Jun 30, 2026 | 3mo |
| AMERIPRISE FINANCIAL INC | BW Babcock & Wilcox Enterprises, Inc. | 13G | 5.1% | Jun 30, 2026 | 3mo |
| Alyeska Investment Group, L.P. | GLOB Globant S.A. | 13G | 6.74% | Jun 30, 2026 | 3mo |
| Ikarian Capital, LLC | TRAW Traws Pharma, Inc. | 13G/A | 9.5% | Jun 30, 2026 | 3mo |
| Fourthstone LLC | AVBH Avidbank Holdings, Inc. | 13G/A | 6.4% | Jun 30, 2026 | 3mo |
| Aldersgate Capital Partners Ltd. | PDC Perpetuals.com Ltd | 13G/A | 0% | Jun 30, 2026 | 3mo |
| METEORA CAPITAL, LLC | XRPNU Armada Acquisition Corp. II | 13G/A | 8.37% | Jun 30, 2026 | 3mo |
| Vivo Opportunity Fund Holdings, L.P. | UNCY Unicycive Therapeutics, Inc. | 13G/A | 9.99% | Jun 30, 2026 | 3mo |
| MPM BIOIMPACT LLC | CLYM Climb Bio, Inc. | 13G/A | 0% | Jun 30, 2026 | 3mo |
| Lynx1 Capital Management LP | TCRX TScan Therapeutics, Inc. | 13G/A | 13.1% | Jun 30, 2026 | 3mo |
| First Trust Capital Management L.P. | MACI Melar Acquisition Corp. I | 13G/A | 2.51% | Jun 30, 2026 | 3mo |
| COHEN & STEERS, INC. | HST Host Hotels & Resorts, Inc. | 13G/A | 6.56% | Jun 30, 2026 | 3mo |
| American Century Investment Management, Inc. | XPRO Expro Ltd | 13G | 7.1% | Jun 30, 2026 | 3mo |
| Balyasny Asset Management L.P. | SGMT Sagimet Biosciences Inc. | 13G | 5.93% | Jun 30, 2026 | 3mo |
| PRICE T ROWE ASSOCIATES INC /MD/ | PNR PENTAIR plc | 13G/A | 4% | Jun 30, 2026 | 3mo |
| SUVRETTA CAPITAL MANAGEMENT, LLC | FULC Fulcrum Therapeutics, Inc. | 13G/A | 5.5% | Jun 30, 2026 | 3mo |
| AWM Investment Company, Inc. | MASS 908 Devices Inc. | 13G/A | 11.8% | Jun 30, 2026 | 3mo |
| Woodline Partners LP | CALC CalciMedica, Inc. | 13G | 8.1% | Jun 30, 2026 | 3mo |
| ALLIANCEBERNSTEIN L.P. | MANH Manhattan Associates Inc | 13G/A | 3.9% | Jun 30, 2026 | 3mo |
| Lightspeed General Partner X, L.P. | NAVN Navan, Inc. | 13G/A | 8.4% | Jun 30, 2026 | 3mo |
| Fort Baker Capital Management LP | CRAN Crane Harbor Acquisition Corp. II | 13G | 7.2% | Jun 30, 2026 | 3mo |
| Nantahala Capital Management, LLC | CWH Camping World Holdings, Inc. | 13G/A | 7.16% | Jun 30, 2026 | 3mo |
| Portolan Capital Management, LLC | QTRX Quanterix Corp | 13G/A | 4.02% | Jun 30, 2026 | 3mo |
| ALLIANCEBERNSTEIN L.P. | ICFI ICF International, Inc. | 13G | 7.8% | Jun 30, 2026 | 3mo |
| Sculptor Capital LP | SHC Sotera Health Co | 13G/A | 8.41% | Jun 30, 2026 | 3mo |
| ARK Investment Management LLC | CERS Cerus Corp | 13G/A | 8.95% | Jun 30, 2026 | 3mo |
| 1607 Capital Partners, LLC | PAI Western Asset Investment Grade Income Fund Inc. | 13G/A | 5.87% | Jun 30, 2026 | 3mo |
| ARISTEIA CAPITAL, L.L.C. | HDRN Hadron Energy, Inc. | 13G/A | 6.59% | Jun 30, 2026 | 3mo |
| ARMISTICE CAPITAL, LLC | IMNN Imunon, Inc. | 13G/A | 9.99% | Jun 30, 2026 | 3mo |
| RA CAPITAL MANAGEMENT, L.P. | RNA Atrium Therapeutics, Inc. | 13G/A | 0% | Jun 30, 2026 | 3mo |
| AMERIPRISE FINANCIAL INC | PSNL Personalis, Inc. | 13G/A | 5.8% | Jun 30, 2026 | 3mo |
| FARALLON CAPITAL MANAGEMENT LLC | SVRA Savara Inc | 13G/A | 6.8% | Jun 30, 2026 | 3mo |