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 |
|---|---|---|---|---|---|
| PRICE T ROWE ASSOCIATES INC /MD/ | KEYS Keysight Technologies, Inc. | 13G/A | 5.6% | Jun 30, 2026 | 3mo |
| CITADEL ADVISORS LLC | ASST Strive, Inc. | 13G/A | 7.6% | Jun 30, 2026 | 3mo |
| RA CAPITAL MANAGEMENT, L.P. | ACET Adicet Bio, Inc. | 13G/A | 9.9% | Jun 30, 2026 | 3mo |
| T. Rowe Price Investment Management, Inc. | GHM Graham Corp | 13G | 5.2% | Jun 30, 2026 | 3mo |
| SILVERARC CAPITAL MANAGEMENT, LLC | ELUT Elutia Inc. | 13G/A | 4.9% | Jun 30, 2026 | 3mo |
| ARMISTICE CAPITAL, LLC | WLDS Wearable Devices Ltd. | 13G/A | 4.99% | Jun 30, 2026 | 3mo |
| Westchester Capital Management, LLC | WPAC White Pearl Acquisition Corp. | 13G | 5.93% | Jun 30, 2026 | 3mo |
| LMR Partners LLP | RREV RRE Ventures Acquisition Corp. | 13G | 8% | Jun 30, 2026 | 3mo |
| VAN ECK ASSOCIATES CORP | ISOU IsoEnergy Ltd. | 13G | 7.5% | Jun 30, 2026 | 3mo |
| Cormorant Asset Management, LP | DRUG Bright Minds Biosciences Inc. | 13G/A | 9.17% | Jun 30, 2026 | 3mo |
| American Century Investment Management, Inc. | AIN Albany International Corp | 13G/A | 6.6% | Jun 30, 2026 | 3mo |
| EAGLE CAPITAL MANAGEMENT LLC | AA Alcoa Corp | 13G/A | 4.5% | Jun 30, 2026 | 3mo |
| AMERIPRISE FINANCIAL INC | GAIA Gaia, Inc | 13G/A | 5.2% | Jun 30, 2026 | 3mo |
| G1 Execution Services, LLC | QURE uniQure N.V. | 13G/A | 4.8% | Jun 30, 2026 | 3mo |
| PERCEPTIVE ADVISORS LLC | NAUT Nautilus Biotechnology, Inc. | 13D/A | 9.1% | Jun 30, 2026 | 3mo |
| T. Rowe Price Investment Management, Inc. | AVTX Avalo Therapeutics, Inc. | 13G/A | 0% | Jun 30, 2026 | 3mo |
| LMR Partners LLP | BZFD BuzzFeed, Inc. | 13G/A | 0.7% | Jun 30, 2026 | 3mo |
| LMR Partners LLP | KDK Kodiak AI, Inc. | 13G | 6.5% | Jun 30, 2026 | 3mo |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | AACP Apogee Acquisition Corp | 13G | 9.2% | Jun 30, 2026 | 3mo |
| American Century Investment Management, Inc. | EBS Emergent BioSolutions Inc. | 13G | 5.4% | Jun 30, 2026 | 3mo |
| Karpus Management, Inc. | FMAC Future Money Acquisition Corp | 13G | 7.38% | Jun 30, 2026 | 3mo |
| Manulife Investment Management (US) LLC | SBFG Sb Financial Group, Inc. | 13G/A | 7.47% | Jun 30, 2026 | 3mo |
| Divisadero Street Capital Management, LP | KRUS Kura Sushi USA, Inc. | 13G/A | 0% | Jun 30, 2026 | 3mo |
| AMERIPRISE FINANCIAL INC | AP Ampco Pittsburgh Corp | 13G/A | 4.5% | Jun 30, 2026 | 3mo |
| VAN ECK ASSOCIATES CORP | SLI Standard Lithium Ltd. | 13G/A | 6.5% | Jun 30, 2026 | 3mo |
| PRICE T ROWE ASSOCIATES INC /MD/ | IQ iQIYI, Inc. | 13G/A | 17.7% | Jun 30, 2026 | 3mo |
| Pegasus Aggregator Holdco LLC | GMRS GMR Solutions Inc. | 13G | 81.1% | Jun 30, 2026 | 3mo |
| Commodore Capital LP | PALI Palisade Bio, Inc. | 13G/A | 0% | Jun 30, 2026 | 3mo |
| Goldman Sachs Asset Management, L.P. | KN Knowles Corp | 13G | 5.1% | Jun 30, 2026 | 3mo |
| ARMISTICE CAPITAL, LLC | OLB Olb Group, Inc. | 13G/A | 8.58% | Jun 30, 2026 | 3mo |
| Encompass Capital Advisors LLC | RNGR Ranger Energy Services, Inc. | 13G/A | 5.17% | Jun 30, 2026 | 3mo |
| PRICE T ROWE ASSOCIATES INC /MD/ | BBW Build-A-Bear Workshop Inc | 13G | 5.3% | Jun 30, 2026 | 3mo |
| COHEN & STEERS, INC. | BXP BXP, Inc. | 13G/A | 14.33% | Jun 30, 2026 | 3mo |
| D. E. Shaw & Co., L.P. | CABO Cable One, Inc. | 13G/A | 8.4% | Jun 30, 2026 | 3mo |
| PRICE T ROWE ASSOCIATES INC /MD/ | HEI Heico Corp | 13G | 5.8% | Jun 30, 2026 | 3mo |
| SUVRETTA CAPITAL MANAGEMENT, LLC | GLUE Monte Rosa Therapeutics, Inc. | 13G/A | 4.2% | Jun 30, 2026 | 3mo |
| HG Vora Capital Management, LLC | NLCP NewLake Capital Partners, Inc. | 13G/A | 3.1% | Jun 30, 2026 | 3mo |
| American Century Investment Management, Inc. | KSS KOHLS Corp | 13G/A | 5.5% | Jun 30, 2026 | 3mo |
| Balyasny Asset Management L.P. | NGNE Neurogene Inc. | 13G | 5.18% | Jun 30, 2026 | 3mo |
| Divisadero Street Capital Management, LP | CODI Compass Diversified Holdings | 13G/A | 1.1% | Jun 30, 2026 | 3mo |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | FAC Factorial Energy Inc. | 13G/A | 0% | Jun 30, 2026 | 3mo |
| Karpus Management, Inc. | KTF Dws Municipal Income Trust | 13G/A | 7.05% | Jun 30, 2026 | 3mo |
| Lind Global Fund III LP | ENVB Enveric Biosciences, Inc. | 13G/A | 1.4% | Jun 30, 2026 | 3mo |
| AMERIPRISE FINANCIAL INC | FVRR Fiverr International Ltd. | 13G/A | 9.8% | Jun 30, 2026 | 3mo |
| Sculptor Capital LP | AMAN Amanat Acquisition Corp. | 13G/A | 9.4% | Jun 30, 2026 | 3mo |
| CADIAN CAPITAL MANAGEMENT, LP | SIBN SI-BONE, Inc. | 13G | 7.5% | Jun 30, 2026 | 3mo |
| T. Rowe Price Investment Management, Inc. | SAFE Safehold Inc. | 13G/A | 6.5% | Jun 30, 2026 | 3mo |
| AMERIPRISE FINANCIAL INC | ESRT Empire State Realty Trust, Inc. | 13G/A | 8.4% | Jun 30, 2026 | 3mo |
| Madison Avenue Partners, LP | STAA Staar Surgical Co | 13G/A | 8.4% | Jun 30, 2026 | 3mo |
| Sirenia Capital Management LP | ANAB Anaptysbio, Inc | 13G/A | 5% | Jun 30, 2026 | 3mo |