Recent Institutional Ownership
The latest activist and 5%+ stake disclosures across the market. Schedule 13D and 13G filings showing which funds and investors are building or trimming positions, sourced from SEC EDGAR. Looking for full quarterly portfolios? Browse the portfolios of tracked investors.
| Ticker | Investor | Form | Stake | Change | Filed |
|---|---|---|---|---|---|
| SYNASYNAPTICS Inc | Abigail P. JohnsonIndividual | SC 13G/A | 1.2% | New position | Nov 5, 2026 |
| SYNASYNAPTICS Inc | FMR LLCInvestment Advisor | SC 13G/A | 1.2% | New position | Nov 5, 2026 |
| NTRANatera, Inc. | FMR LLCInvestment Advisor | SC 13G | 9.5% | New position | Nov 5, 2026 |
| NTRANatera, Inc. | Abigail P. JohnsonIndividual | SC 13G | 9.5% | New position | Nov 5, 2026 |
| MBCMasterBrand, Inc. | Abigail P. JohnsonIndividual | SC 13G/A | 6.4% | New position | Nov 5, 2026 |
| MBCMasterBrand, Inc. | FMR LLCInvestment Advisor | SC 13G/A | 6.4% | New position | Nov 5, 2026 |
| GHGuardant Health, Inc. | Abigail P. JohnsonIndividual | SC 13G | 5.8% | New position | Nov 5, 2026 |
| GHGuardant Health, Inc. | FMR LLCInvestment Advisor | SC 13G | 5.8% | New position | Nov 5, 2026 |
| DIODDIODES INC /DEL/ | FMR LLCInvestment Advisor | SC 13G/A | 8.0% | New position | Nov 5, 2026 |
| DIODDIODES INC /DEL/ | Abigail P. JohnsonIndividual | SC 13G/A | 8.0% | New position | Nov 5, 2026 |
| ECVTEcovyst Inc. | Abigail P. JohnsonIndividual | SC 13G | 7.7% | New position | Nov 5, 2026 |
| ECVTEcovyst Inc. | FMR LLCInvestment Advisor | SC 13G | 7.7% | New position | Nov 5, 2026 |
| AFRMAffirm Holdings, Inc. | Abigail P. JohnsonIndividual | SC 13G/A | 4.7% | New position | Nov 5, 2026 |
| AFRMAffirm Holdings, Inc. | FMR LLCInvestment Advisor | SC 13G/A | 4.7% | New position | Nov 5, 2026 |
| OPNWOpenWorld, Inc. | Webslinger Holdings Inc.ACTIVIST | SC 13D/A | 32.0% | New position | Nov 3, 2026 |
| OPNWOpenWorld, Inc. | Beech Holdings LtdACTIVIST | SC 13D/A | 4.4% | New position | Nov 3, 2026 |
| OPNWOpenWorld, Inc. | Shaw Matthew IanACTIVIST | SC 13D/A | 40.7% | New position | Nov 3, 2026 |
| OPNWOpenWorld, Inc. | GM Consulting Group Inc.ACTIVIST | SC 13D/A | 4.3% | New position | Nov 3, 2026 |
| OPNWOpenWorld, Inc. | Hernandez Gerard Albert PalanaACTIVIST | SC 13D/A | 4.4% | New position | Nov 3, 2026 |
| AMCAMC ENTERTAINMENT HOLDINGS, INC. | PECONIC PARTNERS LLCInvestment Advisor | SC 13G | 6.3% | New position | Nov 2, 2026 |
| TEVATEVA PHARMACEUTICAL INDUSTRIES LTD | Harel Insurance Investments & Financial Services LtdHolding Company | SC 13G/A | 6.0% | New position | Nov 2, 2026 |
| FSPFRANKLIN STREET PROPERTIES CORP /MA/ | Powell Anderson Capital LPACTIVIST | SC 13D/A | 1.0% | New position | Oct 31, 2026 |
| FSPFRANKLIN STREET PROPERTIES CORP /MA/ | Powell Anderson Capital Partners LLCACTIVIST | SC 13D/A | 8.0% | New position | Oct 31, 2026 |
| FSPFRANKLIN STREET PROPERTIES CORP /MA/ | R. Adam LindsayACTIVIST | SC 13D/A | 8.0% | New position | Oct 31, 2026 |
| FSPFRANKLIN STREET PROPERTIES CORP /MA/ | PACP Acadia LLCACTIVIST | SC 13D/A | 7.0% | New position | Oct 31, 2026 |
| MTSIMACOM Technology Solutions Holdings, Inc. | Susan M. OcampoIndividual | SC 13G/A | 6.4% | New position | Oct 30, 2026 |
| MDLNMedline Inc. | GIC Special Investments Private LimitedInstitution | SC 13G/A | 10.4% | New position | Oct 30, 2026 |
| MDLNMedline Inc. | GIC Private LimitedHolding Company | SC 13G/A | 13.0% | New position | Oct 30, 2026 |
| MDLNMedline Inc. | Hux Investment Pte. Ltd.Holding Company | SC 13G/A | 10.4% | New position | Oct 30, 2026 |
| RAREUltragenyx Pharmaceutical Inc. | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 8.6% | New position | Oct 30, 2026 |
| TSCOTRACTOR SUPPLY CO /DE/ | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 5.0% | New position | Oct 30, 2026 |
| SMCISuper Micro Computer, Inc. | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 5.0% | New position | Oct 30, 2026 |
| TPLTexas Pacific Land Corp | Vanguard Portfolio ManagementInvestment Advisor | SC 13G | 5.1% | New position | Oct 30, 2026 |
| TWLOTWILIO INC | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 4.9% | New position | Oct 30, 2026 |
| MRCYMERCURY SYSTEMS INC | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 5.0% | New position | Oct 30, 2026 |
| SWKSSKYWORKS SOLUTIONS, INC. | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 5.3% | New position | Oct 30, 2026 |
| RLRALPH LAUREN CORP | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 5.0% | New position | Oct 30, 2026 |
| NWSANEWS CORP | Vanguard Portfolio ManagementInvestment Advisor | SC 13G | 5.1% | New position | Oct 30, 2026 |
| TAPMOLSON COORS BEVERAGE CO | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 7.0% | New position | Oct 30, 2026 |
| JKHYJACK HENRY & ASSOCIATES INC | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 4.9% | New position | Oct 30, 2026 |
| IDXXIDEXX LABORATORIES INC /DE | Vanguard Portfolio ManagementInvestment Advisor | SC 13G | 5.0% | New position | Oct 30, 2026 |
| MLMMARTIN MARIETTA MATERIALS INC | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 4.7% | New position | Oct 30, 2026 |
| CNXCConcentrix Corp | Vanguard Portfolio ManagementInvestment Advisor | SC 13G | 5.2% | New position | Oct 30, 2026 |
| AKAMAKAMAI TECHNOLOGIES INC | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 5.0% | New position | Oct 30, 2026 |
| AURAurora Innovation, Inc. | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 4.4% | New position | Oct 30, 2026 |
| ALNYALNYLAM PHARMACEUTICALS, INC. | Vanguard Portfolio ManagementInvestment Advisor | SC 13G | 5.0% | New position | Oct 30, 2026 |
| APDAir Products & Chemicals, Inc. | Vanguard Portfolio ManagementInvestment Advisor | SC 13G | 5.4% | New position | Oct 30, 2026 |
| EXPEExpedia Group, Inc. | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 4.7% | New position | Oct 30, 2026 |
| ELESTEE LAUDER COMPANIES INC | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 5.0% | New position | Oct 30, 2026 |
| ENTGENTEGRIS INC | Vanguard Portfolio ManagementInvestment Advisor | SC 13G/A | 5.0% | New position | Oct 30, 2026 |
| WRBBERKLEY W R CORP | Vanguard Capital ManagementInvestment Advisor | SC 13G/A | 4.4% | New position | Oct 30, 2026 |
| POOLPOOL CORP | Vanguard Capital ManagementInvestment Advisor | SC 13G | 5.1% | ▲ 0.2% | Oct 30, 2026 |
| MLMMARTIN MARIETTA MATERIALS INC | Vanguard Capital ManagementInvestment Advisor | SC 13G/A | 6.4% | New position | Oct 30, 2026 |
| TAPMOLSON COORS BEVERAGE CO | Vanguard Capital ManagementInvestment Advisor | SC 13G/A | 4.6% | New position | Oct 30, 2026 |
| SMRNUSCALE POWER Corp | Vanguard Capital ManagementInvestment Advisor | SC 13G | 5.3% | New position | Oct 30, 2026 |
| TOSTToast, Inc. | Vanguard Capital ManagementInvestment Advisor | SC 13G | 5.1% | New position | Oct 30, 2026 |
| RKTRocket Companies, Inc. | Vanguard Capital ManagementInvestment Advisor | SC 13G/A | 4.3% | New position | Oct 30, 2026 |
| IONQIonQ, Inc. | Vanguard Capital ManagementInvestment Advisor | SC 13G | 5.2% | New position | Oct 30, 2026 |
| XOMExxonMobil Holdings Corp | Vanguard Capital ManagementInvestment Advisor | SC 13G | 7.6% | New position | Oct 30, 2026 |
| ESABESAB Corp | Vanguard Capital ManagementInvestment Advisor | SC 13G/A | 5.0% | New position | Oct 30, 2026 |
| DUOLDuolingo, Inc. | Vanguard Capital ManagementInvestment Advisor | SC 13G/A | 4.8% | New position | Oct 30, 2026 |
| DNTHDianthus Therapeutics, Inc. /DE/ | Vanguard Capital ManagementInvestment Advisor | SC 13G | 5.1% | New position | Oct 30, 2026 |
| OWLBLUE OWL CAPITAL INC. | Vanguard Capital ManagementInvestment Advisor | SC 13G/A | 5.0% | New position | Oct 30, 2026 |
| AMCAMC ENTERTAINMENT HOLDINGS, INC. | Vanguard Capital ManagementInvestment Advisor | SC 13G | 5.2% | New position | Oct 30, 2026 |
| TMUST-Mobile US, Inc. | T-Mobile Global Holding GmbHACTIVIST | SC 13D/A | 55.9% | New position | Oct 29, 2026 |
| TMUST-Mobile US, Inc. | T-Mobile Global Zwischenholding GmbHACTIVIST | SC 13D/A | 55.9% | New position | Oct 29, 2026 |
| TMUST-Mobile US, Inc. | Deutsche Telekom AGACTIVIST | SC 13D/A | 55.9% | New position | Oct 29, 2026 |
| TMUST-Mobile US, Inc. | Deutsche Telekom Holding B.V.ACTIVIST | SC 13D/A | 55.9% | New position | Oct 29, 2026 |
| NICENICE Ltd. | PRINCIPAL GLOBAL INVESTORSInvestment Advisor | SC 13G/A | 5.6% | New position | Oct 29, 2026 |
| CORZCore Scientific, Inc./tx | MFN Partners, LPInstitution | SC 13G | 7.6% | New position | Oct 28, 2026 |
| CORZCore Scientific, Inc./tx | Michael F. DeMicheleIndividual | SC 13G | 7.6% | New position | Oct 28, 2026 |
| CORZCore Scientific, Inc./tx | Farhad NanjiIndividual | SC 13G | 7.6% | New position | Oct 28, 2026 |
| CORZCore Scientific, Inc./tx | MFN Partners GP, LLCInstitution | SC 13G | 7.6% | New position | Oct 28, 2026 |
| CORZCore Scientific, Inc./tx | MFN Partners Management, LLCInstitution | SC 13G | 7.6% | New position | Oct 28, 2026 |
| CORZCore Scientific, Inc./tx | MFN Partners Management, LPInvestment Advisor | SC 13G | 7.6% | New position | Oct 28, 2026 |
| TEMTempus AI, Inc. | Bradley A. KeywellIndividual | SC 13G/A | 3.5% | New position | Oct 28, 2026 |
| TEMTempus AI, Inc. | Churchill Investments 21 LLCHolding Company | SC 13G/A | 1.9% | New position | Oct 28, 2026 |
| TEMTempus AI, Inc. | The Keywell Foundation IncInstitution | SC 13G/A | 0.0% | New position | Oct 28, 2026 |
| TEMTempus AI, Inc. | BK TL21 LLCHolding Company | SC 13G/A | 1.3% | New position | Oct 28, 2026 |
| IRENIREN Ltd | BANK OF AMERICA CORP /DE/Holding Company | SC 13G/A | 4.1% | New position | Oct 28, 2026 |
| FSPFRANKLIN STREET PROPERTIES CORP /MA/ | BANK OF AMERICA CORP /DE/Holding Company | SC 13G/A | 4.7% | New position | Oct 28, 2026 |
| ALBALBEMARLE CORP | Franklin Templeton, Inc.Holding Company | SC 13G | 5.0% | New position | Oct 28, 2026 |
| WYNNWYNN RESORTS LTD | BlackRock, Inc.Holding Company | SC 13G/A | 4.9% | New position | Oct 27, 2026 |
| TYLTYLER TECHNOLOGIES INC | BlackRock, Inc.Holding Company | SC 13G/A | 6.7% | New position | Oct 27, 2026 |
| TRMBTRIMBLE INC. | BlackRock, Inc.Holding Company | SC 13G/A | 6.7% | New position | Oct 27, 2026 |
| SUNBSunbelt Rentals Holdings, Inc. | BlackRock, Inc.Holding Company | SC 13G/A | 5.2% | New position | Oct 27, 2026 |
| RLIRLI CORP | BlackRock, Inc.Holding Company | SC 13G/A | 8.9% | New position | Oct 27, 2026 |
| NDAQNASDAQ, INC. | BlackRock, Inc.Holding Company | SC 13G/A | 6.2% | New position | Oct 27, 2026 |
| MCHPMICROCHIP TECHNOLOGY INC | BlackRock, Inc.Holding Company | SC 13G/A | 11.6% | New position | Oct 27, 2026 |
| AVYAvery Dennison Corp | BlackRock, Inc.Holding Company | SC 13G/A | 6.5% | New position | Oct 27, 2026 |
| GTGOODYEAR TIRE & RUBBER CO /OH/ | BlackRock, Inc.Holding Company | SC 13G/A | 14.6% | New position | Oct 27, 2026 |
| FDXFFedEx Freight Holding Company, Inc. | BlackRock, Inc.Holding Company | SC 13G/A | 5.9% | New position | Oct 27, 2026 |
| CLXCLOROX CO /DE/ | BlackRock, Inc.Holding Company | SC 13G/A | 6.3% | New position | Oct 27, 2026 |
| WRBBERKLEY W R CORP | BlackRock, Inc.Holding Company | SC 13G/A | 4.6% | New position | Oct 27, 2026 |
| SWKSSKYWORKS SOLUTIONS, INC. | BlackRock, Inc.Holding Company | SC 13G/A | 7.0% | New position | Oct 27, 2026 |
| VRTVertiv Holdings Co | BlackRock, Inc.Holding Company | SC 13G/A | 6.8% | New position | Oct 27, 2026 |
| SNDKSandisk Corp | BlackRock, Inc.Holding Company | SC 13G/A | 7.7% | New position | Oct 27, 2026 |
| SABRSabre Corp | BlackRock, Inc.Holding Company | SC 13G/A | 11.9% | ▼ 2.1% | Oct 27, 2026 |
| RDDTReddit, Inc. | BlackRock, Inc.Holding Company | SC 13G/A | 7.3% | New position | Oct 27, 2026 |
| PTGXProtagonist Therapeutics, Inc | BlackRock, Inc.Holding Company | SC 13G/A | 15.2% | New position | Oct 27, 2026 |
Source: SEC EDGAR Schedule 13D / 13G filings. Quarterly 13F holdings are shown on each company's institutional ownership page.