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 |
|---|---|---|---|---|---|
| DISCIPLINED GROWTH INVESTORS INC /MN | DV DoubleVerify Holdings, Inc. | 13G | 6.3% | Jun 30, 2026 | 3mo |
| CVI Investments, Inc. | NBRG Newbridge Acquisition Ltd | 13G/A | 4.9% | Jun 30, 2026 | 3mo |
| Legal & General Group Plc | FSLY Fastly, Inc. | 13G/A | 2.8% | Jun 30, 2026 | 3mo |
| CVI Investments, Inc. | CTXR Citius Pharmaceuticals, Inc. | 13G/A | 9.9% | Jun 30, 2026 | 3mo |
| THOMAS N. TRKLA | YSWY Yesway, Inc. | 13G | 74.2% | Jun 30, 2026 | 3mo |
| Fort Baker Capital Management LP | BBCQ Bleichroeder Acquisition Corp. II | 13G | 7.2% | Jun 30, 2026 | 3mo |
| BIOTECHNOLOGY VALUE FUND L P | TENX Tenax Therapeutics, Inc. | 13G/A | 9.99% | Jun 30, 2026 | 3mo |
| Karpus Management, Inc. | FIGX FIGX Capital Acquisition Corp. | 13G | 6% | Jun 30, 2026 | 3mo |
| Balyasny Asset Management L.P. | NERV Minerva Neurosciences, Inc. | 13G/A | 9.99% | Jun 30, 2026 | 3mo |
| Global X Management CO LLC | IIIN Insteel Industries Inc | 13G/A | 6.25% | Jun 30, 2026 | 3mo |
| Nextech VI Oncology SCSp | TYRA Tyra Biosciences, Inc. | 13G/A | 6% | Jun 30, 2026 | 3mo |
| First Trust Capital Management L.P. | CUB Lionheart Holdings | 13G/A | 3.7% | Jun 30, 2026 | 3mo |
| Harraden Circle Investments, LLC | APUR Aperture AC | 13G/A | 0% | Jun 30, 2026 | 3mo |
| Blumenthal Neil Harris | WRBY Warby Parker Inc. | 13G/A | 7.2% | Jun 30, 2026 | 3mo |
| ALLIANCEBERNSTEIN L.P. | BCAL California BanCorp CA | 13G/A | 6.1% | Jun 30, 2026 | 3mo |
| GLENVIEW CAPITAL MANAGEMENT, LLC | GTM ZoomInfo Technologies Inc. | 13G/A | 0% | Jun 30, 2026 | 3mo |
| VAN ECK ASSOCIATES CORP | UAMY United States Antimony Corp | 13G/A | 5.8% | Jun 30, 2026 | 3mo |
| CVI Investments, Inc. | APVO Aptevo Therapeutics Inc. | 13G/A | 6.3% | Jun 30, 2026 | 3mo |
| BAMCO INC /NY/ | BIRK Birkenstock Holding plc | 13G/A | 8.01% | Jun 30, 2026 | 3mo |
| Nantahala Capital Management, LLC | ADCT ADC Therapeutics SA | 13G | 9.69% | Jun 30, 2026 | 3mo |
| NOVO HOLDINGS A/S | COAG Hemab Therapeutics Holdings, Inc. | 13G | 9% | Jun 30, 2026 | 3mo |
| COHEN & STEERS, INC. | APC ARKO Petroleum Corp. | 13G/A | 8.68% | Jun 30, 2026 | 3mo |
| CITADEL ADVISORS LLC | BOLD Boundless Bio, Inc. | 13G/A | 0.6% | Jun 30, 2026 | 3mo |
| PRICE T ROWE ASSOCIATES INC /MD/ | RVTY Revvity, Inc. | 13G/A | 5% | Jun 30, 2026 | 3mo |
| Pentwater Capital Management LP | OGN Organon & Co. | 13G | 6.9% | Jun 30, 2026 | 3mo |
| Deep Track Capital, LP | ENGN enGene Therapeutics Inc. | 13G/A | 0% | Jun 30, 2026 | 3mo |
| Empyrean Capital Partners, LP | OPTU Optimum Communications, Inc. | 13G/A | 8.09% | Jun 30, 2026 | 3mo |
| OnePointTwo Capital Ventures LLC | CNXU Conexeu Sciences Inc. | 13G | 6.8% | Jun 30, 2026 | 3mo |
| PERCEPTIVE ADVISORS LLC | NVNO enVVeno Medical Corp | 13G/A | 3.5% | Jun 30, 2026 | 3mo |
| Alyeska Investment Group, L.P. | QMCO Quantum Corp | 13G | 6.74% | Jun 30, 2026 | 3mo |
| Nantahala Capital Management, LLC | AZTR Azitra, Inc. | 13G | 9.99% | Jun 30, 2026 | 3mo |
| Lynwood Capital Management Inc. | KZIA Kazia Therapeutics Ltd | 13G/A | 4.6% | Jun 30, 2026 | 3mo |
| Global X Management CO LLC | GEL Genesis Energy LP | 13G/A | 6.32% | Jun 30, 2026 | 3mo |
| Two Seas Capital LP | QMCO Quantum Corp | 13G | 6.3% | Jun 30, 2026 | 3mo |
| ARMISTICE CAPITAL, LLC | BCYC Bicycle Therapeutics PLC | 13G/A | 6.72% | Jun 30, 2026 | 3mo |
| American Century Investment Management, Inc. | ODC Oil-Dri Corp of America | 13G | 5.2% | Jun 30, 2026 | 3mo |
| AMERIPRISE FINANCIAL INC | VRRM VERRA MOBILITY Corp | 13G | 6.1% | Jun 30, 2026 | 3mo |
| Vivo Opportunity Fund Holdings, L.P. | SABS SAB Biotherapeutics, Inc. | 13G/A | 9.99% | Jun 30, 2026 | 3mo |
| Fourthstone LLC | CCFN MUNCY COLUMBIA FINANCIAL Corp | 13G | 7.8% | Jun 30, 2026 | 3mo |
| Squadron Capital Management LLC | LPCN Lipocine Inc. | 13G/A | 9.8% | Jun 30, 2026 | 3mo |
| Pentwater Capital Management LP | MASI Masimo Corp | 13G/A | 0% | Jun 30, 2026 | 3mo |
| SOROS FUND MANAGEMENT LLC | KDK Kodiak AI, Inc. | 13G/A | 4.9% | Jun 30, 2026 | 3mo |
| METEORA CAPITAL, LLC | KRAQ KRAKacquisition Corp | 13G/A | 6.14% | Jun 30, 2026 | 3mo |
| Two Seas Capital LP | CLMT Calumet, Inc. | 13G/A | 7.5% | Jun 30, 2026 | 3mo |
| Magnetar Financial LLC | WHLR Wheeler Real Estate Investment Trust, Inc. | 13G/A | 45% | Jun 30, 2026 | 3mo |
| AMERIPRISE FINANCIAL INC | DEC Diversified Energy Co | 13G/A | 6.3% | Jun 30, 2026 | 3mo |
| Caligan Partners LP | SABS SAB Biotherapeutics, Inc. | 13G/A | 8.8% | Jun 30, 2026 | 3mo |
| T. Rowe Price Investment Management, Inc. | RVTY Revvity, Inc. | 13G/A | 16.4% | Jun 30, 2026 | 3mo |
| American Century Investment Management, Inc. | HOG Harley-Davidson, Inc. | 13G | 5.1% | Jun 30, 2026 | 3mo |
| T. Rowe Price Investment Management, Inc. | XPRO Expro Ltd | 13G/A | 5% | Jun 30, 2026 | 3mo |