Significant Ownership of Flagship Pioneering, LLC

Notable people
Ph.D. Noubar B. Afeyan
Large-stake snapshot 1 signal
Large-stake filing summary
  • Recent SEC Schedule 13D/G filings for Flagship Pioneering, LLC focus on large-stake beneficial ownership disclosures and amendments.
  • Use this view to spot new large holders, amended positions, and activist-style ownership evidence.
Manager Names, identifiers, and filing context for this profile. 2 identity fields
Manager signature
/s/ Noubar B. Afeyan, Ph.D. - Noubar B. Afeyan, Ph.D., Sole Member and Manager of Manager
Manager location
Cambridge, MA

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Significant Ownership of Flagship Pioneering, LLC

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
GENB Generate Biomedicines, Inc. Common Stock, $0.001 par value per share 49% $802,584,512 62,701,915 Afeyan Noubar 31 Mar 2026

Schedules 13D/G Reported by Flagship Pioneering, LLC:

Sym Target Class Ownership Change Current shares Change Value Reporting name Form Report period Filing date
Schedule rows are parsed from SEC 13D/G filings. Open the linked filing or target page to verify the reported ownership and shares.
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