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 |
|---|---|---|---|---|---|
| MACKENZIE FINANCIAL CORP | CSIQ Canadian Solar Inc. | 13G/A | 7.9% | Sep 30, 2026 | 11d |
| Grantham, Mayo, Van Otterloo & Co. LLC | GPRE Green Plains Inc. | 13G/A | 4.02% | Sep 30, 2026 | 11d |
| Sio Capital Management, LLC | SER Serina Therapeutics, Inc. | 13G/A | 7.87% | Sep 30, 2026 | 11d |
| Qiming GP VII, LLC | YB Yuanbao Inc. | 13G/A | 5.7% | Sep 30, 2026 | 11d |
| Sio Capital Management, LLC | ENVB Enveric Biosciences, Inc. | 13G | 7.37% | Sep 30, 2026 | 11d |
| Laurion Capital Management LP | PYXS Pyxis Oncology, Inc. | 13G/A | 5.16% | Sep 30, 2026 | 11d |
| Qiming Corporate GP V, Ltd. | CNTB Connect Biopharma Holdings Ltd | 13G/A | 2.9% | Sep 30, 2026 | 11d |
| MILLENNIUM MANAGEMENT LLC | CTKB Cytek Biosciences, Inc. | 13G/A | 5.6% | Sep 30, 2026 | 11d |
| Sio Capital Management, LLC | RNAQ Rainier Acquisition Corp | 13G | 5.67% | Sep 30, 2026 | 11d |
| Zeff Capital, LP | SPRS Surge Components Inc | 13G/A | 9.6% | Sep 30, 2026 | 11d |
| MACKENZIE FINANCIAL CORP | STN Stantec Inc | 13G/A | 0.9% | Sep 30, 2026 | 11d |
| Zeff Capital, LP | IEHC IEH Corp | 13G/A | 7.9% | Sep 30, 2026 | 11d |
| Dols Scott V. | PAVM PAVmed Inc. | 13G/A | 5.8% | Sep 30, 2026 | 11d |
| UBS Group AG | IHS IHS Holding Ltd | 13G/A | 0% | Sep 30, 2026 | 11d |
| MACKENZIE FINANCIAL CORP | CAE Cae Inc | 13G/A | 2.4% | Sep 30, 2026 | 11d |
| STRATEGIC PLANNING GROUP, LLC | CAAA First Trust Exchange-Traded Fund IV | 13G/A | 3.12% | Sep 16, 2026 | 11d |
| Mollica Andrea | WATR Air Water Ventures Ltd | 13G | 34.9% | Aug 14, 2026 | 11d |
| CSS LLC/IL | RSF RiverNorth Capital & Income Fund, Inc. | 13G/A | 4.77% | Jun 26, 2026 | 11d |
| Steven Parhar | NUCL Eagle Nuclear Energy Corp. | 13G | 6.31% | Feb 24, 2026 | 11d |
| BML Investment Partners, L.P. | SEER Seer, Inc. | 13D | 3.9% | Nov 2, 2026 | 12d |
| FOUAD AHMED | RBNE Robin Energy Ltd. | 13G/A | 15% | Nov 2, 2026 | 12d |
| One Notice Technology Ltd | HUIZ Huize Holding Ltd | 13G | 5% | Nov 2, 2026 | 12d |
| EVgo Member Holdings, LLC | EVGO EVgo Inc. | 13D/A | 56.81% | Nov 2, 2026 | 12d |
| Cormorant Asset Management, LP | CRBP Corbus Pharmaceuticals Holdings, Inc. | 13G/A | 7.76% | Oct 31, 2026 | 12d |
| Liontrust Investment Partners LLP | MXCT Maxcyte, Inc. | 13D | 4.9% | Oct 30, 2026 | 12d |
| EINHORN DAVID | GLRE Greenlight Capital Re, Ltd. | 13D/A | 18.7% | Oct 30, 2026 | 12d |
| SK Telecom Co., Ltd. | PENG Penguin Solutions, Inc. | 13D/A | 0% | Oct 29, 2026 | 12d |
| James N. Topper | PHAT Phathom Pharmaceuticals, Inc. | 13D/A | 6.5% | Oct 29, 2026 | 12d |
| Auto Services Company, Inc. | BSET Bassett Furniture Industries Inc | 13D/A | 5.5% | Oct 29, 2026 | 12d |
| RA CAPITAL MANAGEMENT, L.P. | LENZ LENZ Therapeutics, Inc. | 13D/A | 0.2% | Oct 29, 2026 | 12d |
| Lind Global Fund III LP | GRRR Gorilla Technology Group Inc. | 13G | 9.99% | Oct 29, 2026 | 12d |
| HAMPTON FINANCIAL CORP. | ICON Icon Energy Corp | 13D/A | 9% | Oct 29, 2026 | 12d |
| Phoenix Financial Ltd. | ICL ICL Group Ltd. | 13G | 5.02% | Oct 28, 2026 | 12d |
| Arbiter Partners Capital Management LLC | SBMT Silver Bow Mining Corp. | 13G | 5.2% | Oct 27, 2026 | 12d |
| Cobblers Cove Capital LP | DIN Dine Brands Global, Inc. | 13D | 0% | Oct 26, 2026 | 12d |
| Arkhouse Management Co. LP | DIN Dine Brands Global, Inc. | 13D | 4.3% | Oct 26, 2026 | 12d |
| Michael Boggs | OMDA Omada Health, Inc. | 13G/A | 0% | Sep 30, 2026 | 12d |
| Harel Insurance Investments & Financial Services Ltd. | TSEM Tower Semiconductor Ltd | 13G/A | 6.3% | Sep 30, 2026 | 12d |
| Clearbridge Investments, LLC | CWEN Clearway Energy, Inc. | 13G | 4.4% | Sep 30, 2026 | 12d |
| Robinhood Markets, Inc. | RVII Robinhood Ventures Fund II | 13G | 12% | Sep 30, 2026 | 12d |
| Alecta Tjanstepension Omsesidigt | ALV Autoliv Inc | 13G/A | 4.72% | Sep 30, 2026 | 12d |
| PECONIC PARTNERS LLC | AMC Amc Entertainment Holdings, Inc. | 13G | 6.3% | Sep 30, 2026 | 12d |
| Robinhood Markets, Inc. | RVI Robinhood Ventures Fund I | 13G/A | 47.7% | Sep 30, 2026 | 12d |
| Dan Hagan | LUMN Lumen Technologies, Inc. | 13G/A | 7.3% | Sep 30, 2026 | 12d |
| BIGGER CAPITAL FUND L P | DRMA Dermata Therapeutics, Inc. | 13G | 8.36% | Sep 30, 2026 | 12d |
| Michael Liu | SNGX Soligenix, Inc. | 13G/A | 9.4% | Sep 30, 2026 | 12d |
| MILLENNIUM MANAGEMENT LLC | RXST RxSight, Inc. | 13G/A | 5.1% | Sep 30, 2026 | 12d |
| MILLENNIUM MANAGEMENT LLC | CATL Catalyst Acquisition Corp. | 13G/A | 6% | Sep 30, 2026 | 12d |
| GIC Private Ltd | WBI WaterBridge Infrastructure LLC | 13G/A | 0% | Sep 30, 2026 | 12d |
| Prescott Group Capital Management, L.L.C. | LUNA Luna Innovations Incorporated | 13G/A | 0% | Sep 30, 2026 | 12d |