Securities
Search by ticker, company name or CUSIP.
New 13D stakes, Q2 2026
New Schedule 13D filings since 1 Apr 2026: someone passing 5% of a company's shares who may try to influence or control it, such as an activist investor, an acquirer or a strategic partner. Largest first, by value at the latest 13F price. Schedules 13D are on the site from 19 Dec 2024.
| # | Security | Holder | Stake |
|---|---|---|---|
| 1 | CHARTER COMMUNICATIONS INC N CHTR | COX ENTERPRISES INC ET AL filed 2026-08-25 | 27.9%$6.6bn |
| 2 | MARTIN MARIETTA MATLS INC MLM | LNA Holding SRL filed 2026-08-24 | 15.4%$5.9bn |
| 3 | SITIME CORP SITM | Renesas Electronics America Inc. filed 2026-07-09 | 11.9%$2.7bn |
| 4 | DILLARDS INC DDS | DILLARD WILLIAM T II filed 2026-06-05 | 31.8%$2.6bn |
| 5 | MERCURY GENL CORP NEW MCY | Joseph Vicky Wai Yee filed 2026-09-30 | 35.3%$2.1bn |
| 6 | ESCO TECHNOLOGIES INC ESE | TBG AG filed 2026-10-08 | 16.4%$1.6bn |
| 7 | EROCK INC EROC | Energy Impact Partners LLC filed 2026-06-18 | 78.1%$1.5bn |
| 8 | BOOST RUN INC BRUN | Karos Andrew filed 2026-05-15 | 48.1%$1.1bn |
| 9 | MANCHESTER UTD PLC NEW MANU | INEOS Ltd filed 2026-06-29 | 54.5%$1.1bn |
| 10 | BBB FOODS INC TBBB | Hatoum Kamal Anthony filed 2026-06-17 | 17.6%$956.5m |
| 11 | OCTAVE INTELLIGENCE PLC OCTV | Melker Schorling AB filed 2026-06-01 | 21.8%$952.5m |
| 12 | RXO INC RXO | MFN Partners, LP filed 2026-10-05 | 19.3%$901.8m |
| 13 | PARABILIS MEDICINES INC PBLS | RA CAPITAL MANAGEMENT, L.P. filed 2026-06-18 | 23.8%$791.9m |
| 14 | AMERICAN HOMES 4 RENT AMH | GUSTAVSON TAMARA HUGHES filed 2026-09-11 | 6.0%$719.7m |
| 15 | MATTEL INC MAT | EdgePoint Investment Group Inc. filed 2026-10-22 | 17.7%$701.2m |
| 16 | EQUIPMENTSHARE COM INC EQPT | Schlacks Jabbok filed 2026-06-23 | 14.9%$684.7m |
| 17 | SHARONAI HOLDINGS INC SHAZ | Situational Awareness LP filed 2026-08-28 | 21.1%$683.3m |
| 18 | DYNATRACE INC DT | PICTET ASSET MANAGEMENT SA filed 2026-09-16 | 5.0%$639.5m |
| 19 | USA RARE EARTH INC USAR | VB (Rare Earths) Ltd filed 2026-09-11 | 7.9%$637.6m |
| 20 | MDA SPACE LTD MDA | Mariselle a.s. filed 2026-10-14 | 9.5%$633.9m |
| 21 | LIFTOFF MOBILE INC LFTO | GENERAL ATLANTIC, L.P. filed 2026-06-12 | 15.0%$608.1m |
| 22 | KAILERA THERAPEUTICS INC KLRA | BCPE Perseus Investor, LP filed 2026-04-23 | 20.3%$578.4m |
| 23 | XANADU QUANTUM TECHNOLO LTD XNDU | Weedbrook Christian filed 2026-04-02 | 51.8%$562.3m |
| 24 | SUNCRETE INC RMIX | SunTx Capital Management Corp. filed 2026-04-15 | 34.0%$543.3m |
| 25 | HELIX ENERGY SOLUTIONS GRP I HOS | ASOF HOS GP, LLC filed 2026-09-09 | 23.7%$539.6m |