Investor · Cambridge, MA
Michael J. Higgins
Open Michael in the network graph →Filings
111
SEC Form D
Connections
617
co-filers
Capital
$48.8M
across filings
Active
Apr 2012
to May 2025
Most-connected co-filers (617)
William Duke · Lexington, MA33 sharedScott Rocklage · South San Francisco, CA31 sharedSameer Harish · Petaluma, CA29 sharedGregory French · Santa Rosa, CA29 sharedHojabr Alimi · Petaluma, CA29 sharedRichard Conley · Santa Rosa, CA29 sharedAaron Michels · Aurora, CO29 sharedEd Orr · Aurora, CO29 sharedRobert Clarke · Lexington, MA27 sharedRobert Connelly · CAMBRIDGE, MA27 sharedDavid L. Levison · Redwood City, CA25 sharedPeter Gottlieb · Aurora, CO25 sharedSteve Orndorff · Aurora, CO25 sharedAjit R. Singh · Palo Alto, CA25 sharedMark L. Monane · Redwood City, CA25 sharedMatt Auriemma · Grand Cayman, Cayman Islands25 sharedGwen R. Carscadden · Redwood City, CA25 sharedJason Karp · New York, NY25 sharedPatrick D. Enright · Palo Alto, CA25 sharedLouis Lange · PALO ALTO, CA25 sharedJames R. Tobin · Redwood City, CA25 sharedHongjie G. Hu · Redwood City, CA25 sharedAndrew L. Guggenhime · Menlo Park, CA25 sharedDavid Maki · Lexington, MA23 shared
Recent filings (111)
Riverstyx Fund, LPJun 2025 · 7 co-filersSea Pharmaceuticals, LLCMay 2025 · 19 co-filers$1.7MSea Pharmaceuticals, LLCFeb 2025 · 20 co-filers$2.2MSea Pharmaceuticals, LLCFeb 2025 · 20 co-filers$2.2MRiverstyx Fund, LPAug 2024 · 7 co-filersLongeveron Inc.Jun 2024 · 32 co-filers$9.4MLongeveron Inc.Apr 2024 · 35 co-filers$12.4MNocion Therapeutics, Inc.Mar 2024 · 28 co-filers$70.0MNocion Therapeutics, Inc.Mar 2024 · 28 co-filers$70.0MVoyager Therapeutics, Inc.Jan 2024 · 27 co-filers$20.0MVoyager Therapeutics, Inc.Jan 2024 · 27 co-filers$20.0MLongeveron Inc.Jan 2024 · 35 co-filers$2.6MLongeveron Inc.Oct 2023 · 35 co-filers$8.4MSea Pharmaceuticals, LLCOct 2023 · 22 co-filers$2.2MSea Pharmaceuticals, LLCOct 2023 · 22 co-filers$2.2MRiverstyx Fund, LPAug 2023 · 7 co-filersVoyager Therapeutics, Inc.Mar 2023 · 25 co-filers$39.0MVoyager Therapeutics, Inc.Mar 2023 · 25 co-filers$39.0MSea Pharmaceuticals, LLCJan 2023 · 23 co-filers$2.0MSYSO LLCOct 2022 · 14 co-filers$10.0MSYSO LLCOct 2022 · 14 co-filers$10.0MRiverstyx Fund, LPSep 2022 · 7 co-filersNocion Therapeutics, Inc.Aug 2022 · 28 co-filers$17.0MCamp4 Therapeutics CorpJun 2022 · 47 co-filersin-house apparel, inc.Jun 2022 · 15 co-filers$985K
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Michael in the interactive graph →