Investor · BETHESDA, MD
John T. Hieronymus
Open John in the network graph →Capital
$21.5B
across filings
Active
Apr 2019
to Jul 2025
Most-connected co-filers (54)
Anthony C. Thornley · San Diego, CA6 sharedBrendan J. Reed · BETHESDA, MD6 sharedDavid T. Quigley · PALO ALTO, CA6 sharedJ. C. Baker · San Diego, CA6 sharedRobert B. Bellinger · BETHESDA, MD6 sharedEvan L. Yerega · Cleveland, OH6 sharedMichael Stern · Vero Beach, FL6 sharedIlija Cankovic · Vero Beach, FL6 sharedTaylor Gevry · Cleveland, OH6 sharedJohn A. Luetkemeyer, Jr · BALTIMORE, MD6 sharedHoward E. Cox, Jr · BALTIMORE, MD6 sharedLawrence P. Braithwaite · BETHESDA, MD6 sharedTim Walsh · HARTFORD, CT5 sharedJoseph Drysdale · Dallas, TX5 sharedLinda F. Levinson · Dallas, TX4 sharedM. B. Ruland · BETHESDA, MD3 sharedKenneth A. Trombetta · PITTSBURGH, PA3 sharedDean P. Cinkala · BETHESDA, MD3 sharedEric Zhivalyuk · Vero Beach, FL3 sharedCarie Mcneil · Salt Lake City, UT3 sharedWalter C. Grassl · Munchen, 2M2 sharedNicolas J. Franzetti · BETHESDA, MD2 sharedPatrick Daniels · Vancouver, British Columbia, Canada2 sharedAlan S. Tooker · Greenwich, CT2 shared Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See John in the interactive graph →