Significant Ownership of Ph.D. Jonathan M. Rothberg

Large-stake snapshot 1 signal
Large-stake filing summary
  • Recent SEC Schedule 13D/G filings for Ph.D. Jonathan M. Rothberg 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/ Jonathan M. Rothberg - Jonathan M. Rothberg, Ph.D.
Manager location
Guilford, CT

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Significant Ownership of Ph.D. Jonathan M. Rothberg

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BFLY Butterfly Network, Inc. Class A common stock, par value $0.0001 per share, Class B common stock, par value $0.0001 per share 100% $123,413,796 26,426,937 0% Rothberg Jonathan M. 13 Mar 2026
QSI Quantum-Si Inc Class A common stock, par value $0.0001 per share, Class B common stock, par value $0.0001 per share 100% $23,326,875 19,937,500 0% ROTHBERG JONATHAN M. 09 Sep 2025

Schedules 13D/G Reported by Ph.D. Jonathan M. Rothberg:

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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