Investor · New York, NY
Geoffrey M. Lewis
Open Geoffrey in the network graph →Filings
133
SEC Form D
Connections
117
co-filers
Capital
$17.9B
across filings
Active
Sep 2010
to Feb 2026
Most-connected co-filers (117)
Thomas H. Davis · Smiths, Bermuda118 sharedNeil H. Glass · Hamilton, Bermuda97 sharedRobert R. Rans · Pembroke, Bermuda59 sharedAdrian M. Rich · Palo Alto, CA41 sharedPeter M. Young · George Town, Cayman Islands41 sharedRonald A. Lake · Pembroke, Bermuda37 sharedOptima Managers Haskins LLC · New York, NY31 sharedOptima Management Partners LP · Pembroke, Bermuda27 sharedKingdom Ridge Capital, LLC · White Plains, NY26 sharedOptima Asset Management LLC · New York, NY25 sharedMartin Pinsky · Northbrook, IL25 sharedKingdom Ridge Capital GP, LLC · White Plains, NY25 sharedDennie D. Boardman · New York, NY18 sharedKenneth H. Moore · New York, NY17 sharedGregory O'Keeffe · Washington, Washington, D.C.17 sharedOptima Fund Management Limited Partnership · Pembroke, Bermuda16 sharedJohn C. Collis · Hamilton, Bermuda15 sharedHelen Mackenzie · Palo Alto, CA15 sharedWilliam D. Thomson · Hamilton, Bermuda15 sharedDavid C. Hernandez · El Paso, TX13 sharedDavid Miller · George Town, Cayman Islands, Cayman Islands12 sharedClayton Degiacinto · New York, NY12 sharedJavier Idrovo · Farmers Branch, TX11 sharedAlan A. Fischer · New York, NY11 shared
Recent filings (133)
JENOP GLOBAL HEALTHCARE FUND LtdFeb 2026 · 4 co-filersOptika Fund LtdJan 2026 · 3 co-filersOptima Global Trading Fund LtdJan 2026 · 3 co-filersOptima Healthcare & Biotech Fund LtdJan 2026 · 3 co-filersBridgeport Access Cayman III SPC - Optima Inflation Fund SPOct 2025 · 9 co-filersOptika Fund LtdNov 2024 · 7 co-filersOptima Fund LtdNov 2024 · 7 co-filersOptima Healthcare & Biotech Fund LtdNov 2024 · 7 co-filersOptima Global Trading Fund LtdNov 2024 · 7 co-filersJENOP GLOBAL HEALTHCARE FUND LtdNov 2024 · 8 co-filersJENOP GLOBAL HEALTHCARE FUND LtdNov 2024 · 8 co-filersJENOP GLOBAL HEALTHCARE FUND LtdNov 2023 · 6 co-filersOptika Fund LtdNov 2023 · 5 co-filersOptima Fund LtdNov 2023 · 5 co-filersPlatinum Japan Fund LtdNov 2023 · 5 co-filersOptima Healthcare & Biotech Fund LtdNov 2023 · 4 co-filersPlatinum Fund LtdNov 2023 · 5 co-filersOptima Global Trading Fund LtdNov 2023 · 5 co-filersOptima Masters Fund LtdNov 2022 · 7 co-filersPlatinum Fund LtdNov 2022 · 5 co-filersPlatinum Japan Fund LtdNov 2022 · 5 co-filersJENOP GLOBAL HEALTHCARE FUND LtdNov 2022 · 6 co-filersOptima Healthcare & Biotech Fund LtdNov 2022 · 4 co-filersOptima Global Trading Fund LtdNov 2022 · 5 co-filersOptima Fund LtdNov 2022 · 5 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Geoffrey in the interactive graph →