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 |
|---|---|---|---|---|---|
| American Century Investment Management, Inc. | EMBC Embecta Corp. | 13G/A | 0% | Jun 30, 2026 | 3mo |
| Harraden Circle Investments, LLC | CUB Lionheart Holdings | 13G/A | 5.64% | Jun 30, 2026 | 3mo |
| Durable Capital Partners LP | OPCH Option Care Health, Inc. | 13G/A | 3.9% | Jun 30, 2026 | 3mo |
| ARMISTICE CAPITAL, LLC | GITS Global Interactive Technologies, Inc. | 13G | 9.99% | Jun 30, 2026 | 3mo |
| Foundation Capital Management Co. VIII, L.L.C. | CBRS Cerebras Systems Inc. | 13G | 12.2% | Jun 30, 2026 | 3mo |
| Lynx1 Capital Management LP | IBIO iBio, Inc. | 13G | 5.4% | Jun 30, 2026 | 3mo |
| FRONTIER CAPITAL MANAGEMENT CO LLC | INDI indie Semiconductor, Inc. | 13G/A | 7.53% | Jun 30, 2026 | 3mo |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | MYI Blackrock Muniyield Quality Fund III, Inc. | 13G/A | 3.89% | Jun 30, 2026 | 3mo |
| METEORA CAPITAL, LLC | APXT Apex Treasury Corp | 13G/A | 1.56% | Jun 30, 2026 | 3mo |
| PRICE T ROWE ASSOCIATES INC /MD/ | KNF Knife River Corp | 13G/A | 9% | Jun 30, 2026 | 3mo |
| TURTLE CREEK ASSET MANAGEMENT INC. | BFH Bread Financial Holdings, Inc. | 13G/A | 3.2% | Jun 30, 2026 | 3mo |
| PRICE T ROWE ASSOCIATES INC /MD/ | THG Hanover Insurance Group, Inc. | 13G | 5.2% | Jun 30, 2026 | 3mo |
| American Century Investment Management, Inc. | RPAY Repay Holdings Corp | 13G | 6.8% | Jun 30, 2026 | 3mo |
| Redmile Group, LLC | NGNE Neurogene Inc. | 13G/A | 9.9% | Jun 30, 2026 | 3mo |
| Polar Asset Management Partners Inc. | ACGC ACP Holdings Acquisition Corp. | 13G | 7.3% | Jun 30, 2026 | 3mo |
| ARMISTICE CAPITAL, LLC | MGNX Macrogenics Inc | 13G/A | 7.88% | Jun 30, 2026 | 3mo |
| DISCIPLINED GROWTH INVESTORS INC /MN | GEOS Geospace Technologies Corp | 13G/A | 0% | Jun 30, 2026 | 3mo |
| Sirenia Capital Management LP | IMNM Immunome Inc. | 13G/A | 4.3% | Jun 30, 2026 | 3mo |
| AWM Investment Company, Inc. | MRAM Everspin Technologies Inc. | 13G/A | 3.1% | Jun 30, 2026 | 3mo |
| METEORA CAPITAL, LLC | CEPO Cantor Equity Partners I, Inc. | 13G/A | 14.38% | Jun 30, 2026 | 3mo |
| Aeroequity GP, LLC | FLY Firefly Aerospace Inc. | 13G/A | 30.3% | Jun 30, 2026 | 3mo |
| METEORA CAPITAL, LLC | BLZR Trailblazer Acquisition Corp. | 13G/A | 5.33% | Jun 30, 2026 | 3mo |
| METEORA CAPITAL, LLC | PLMK Plum Acquisition Corp. IV | 13G/A | 5.29% | Jun 30, 2026 | 3mo |
| Polar Asset Management Partners Inc. | GSRV GSR V Acquisition Corp. | 13G | 8.3% | Jun 30, 2026 | 3mo |
| AMERIPRISE FINANCIAL INC | ADEA Adeia Inc. | 13G/A | 12.4% | Jun 30, 2026 | 3mo |
| Westchester Capital Management, LLC | LCCC Lakeshore Acquisition III Corp. | 13G/A | 2.14% | Jun 30, 2026 | 3mo |
| BROWN ADVISORY INC | LMRI Lumexa Imaging Holdings, Inc. | 13G | 6.08% | Jun 30, 2026 | 3mo |
| T. Rowe Price Investment Management, Inc. | AIZ Assurant, Inc. | 13G/A | 4.9% | Jun 30, 2026 | 3mo |
| EARNEST PARTNERS LLC | FORM Formfactor Inc | 13G/A | 4.8% | Jun 30, 2026 | 3mo |
| Harraden Circle Investments, LLC | BLUW Blue Water Acquisition Corp. III | 13G/A | 4.04% | Jun 30, 2026 | 3mo |
| Alyeska Investment Group, L.P. | HOVR New Horizon Aircraft Ltd. | 13G | 6.72% | Jun 30, 2026 | 3mo |
| ADAR1 Capital Management, LLC | EDIT Editas Medicine, Inc. | 13G | 5.8% | Jun 30, 2026 | 3mo |
| COOPER CREEK PARTNERS MANAGEMENT LLC | OI O-I Glass, Inc. | 13G | 5.5% | Jun 30, 2026 | 3mo |
| Lynrock Lake LP | TTGT TechTarget, Inc. | 13G/A | 12.1% | Jun 30, 2026 | 3mo |
| Point72 Asset Management, L.P. | SG Sweetgreen, Inc. | 13G/A | 3.3% | Jun 30, 2026 | 3mo |
| Vivo Opportunity Fund Holdings, L.P. | KTTA Pasithea Therapeutics Corp. | 13G/A | 9.99% | Jun 30, 2026 | 3mo |
| EdgePoint Investment Group Inc. | QSR Restaurant Brands International Inc. | 13G/A | 4.95% | Jun 30, 2026 | 3mo |
| Atreides Management, LP | CBRS Cerebras Systems Inc. | 13G | 10.7% | Jun 30, 2026 | 3mo |
| American Century Investment Management, Inc. | EVC Entravision Communications Corp | 13G/A | 11.8% | Jun 30, 2026 | 3mo |
| Karpus Management, Inc. | OXLC Oxford Lane Capital Corp. | 13G/A | 6.08% | Jun 30, 2026 | 3mo |
| Sculptor Capital LP | FMAC Future Money Acquisition Corp | 13G/A | 0% | Jun 30, 2026 | 3mo |
| James Tananbaum | LYEL Lyell Immunopharma, Inc. | 13G/A | 2.7% | Jun 30, 2026 | 3mo |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | INR Infinity Natural Resources, Inc. | 13G | 5.53% | Jun 30, 2026 | 3mo |
| Fourthstone LLC | COSO CoastalSouth Bancshares, Inc. | 13G/A | 1.87% | Jun 30, 2026 | 3mo |
| FARALLON CAPITAL MANAGEMENT LLC | ENTA Enanta Pharmaceuticals Inc | 13G/A | 8.3% | Jun 30, 2026 | 3mo |
| Woodline Partners LP | ZVRA Zevra Therapeutics, Inc. | 13G/A | 8.1% | Jun 30, 2026 | 3mo |
| Fourthstone LLC | EBMT Eagle Bancorp Montana, Inc. | 13G/A | 0% | Jun 30, 2026 | 3mo |
| Anchorage Capital Advisors, L.P. | XIFR XPLR Infrastructure, LP | 13G/A | 8.6% | Jun 30, 2026 | 3mo |
| PRICE T ROWE ASSOCIATES INC /MD/ | KOD Kodiak Sciences Inc. | 13G | 5.2% | Jun 30, 2026 | 3mo |
| COHEN & STEERS, INC. | OHI Omega Healthcare Investors Inc | 13G | 7.85% | Jun 30, 2026 | 3mo |