Ledger.
Investor · Boston, MA

Matthew Walsh

Open Matthew in the network graph →
Filings
11
SEC Form D
Connections
23
co-filers
Capital
across filings
Active
Jun 2023
to Oct 2025

Most-connected co-filers (23)

Nicolas Carter · Boston, MA7 sharedMarshall Wace (GP1) Ltd · George Town, Grand Cayman, Cayman Islands5 sharedMarion Mulvey · George Town, Grand Cayman, Cayman Islands4 sharedRhett Bennett · Birmingham, AL4 sharedMarshall Wace Llp · London, United Kingdom4 sharedRobert H. Thomas · George Town, Grand Cayman, Cayman Islands4 sharedCastle Island GP IV, LLC · Boston, MA2 sharedMatt S. Walsh · Boston, MA2 sharedSean C. Judge · Boston, MA2 sharedManagement Company Castle Island Management, LLC · Boston, MA2 sharedAlain M. Peigneux · Steinfort, Luxembourg2 sharedEva M. Carroll · Luxembourg, Luxembourg2 sharedAlison M. Rose-Slade · London, United Kingdom2 sharedRoberto R. Ramirez · Boston, MA2 sharedHarry T. Hall, Iv · Malvern, PA2 sharedMarshall Wace North America L.P · New York, NY1 sharedBennett Gregory · George Town, Grand Cayman, Cayman Islands1 sharedDavid Hammond · George Town, Grand Cayman, Cayman Islands1 sharedLinburgh C. Martin · George Town, Grand Cayman, Cayman Islands1 sharedPatrick Flaherty · George Town, Grand Cayman, Cayman Islands1 sharedBarbara Healy · George Town, Grand Cayman, Cayman Islands1 sharedGregory S. Bennett · Grand Cayman, Cayman Islands1 sharedMarshall Wace Llp · London, United Kingdom1 shared

Recent filings (11)

Marshall Wace Funds LP - MW TOPS Global Titans (US) FundMar 2026 · 6 co-filersMarshall Wace Funds LP - MW TOPS Americas Equities (US) FundMar 2026 · 6 co-filersMarshall Wace Funds LP - MW Alpha Plus Plus (US) FundFeb 2026 · 6 co-filersMarshall Wace Funds LP - MW US Capital (US) FundFeb 2026 · 6 co-filersCastle Island Ventures IV Feeder, L.P.Oct 2025 · 14 co-filersCastle Island Ventures IV, L.P.Sep 2025 · 14 co-filersMarshall Wace Funds LP - MW Eureka (US) Fund IIJun 2025 · 16 co-filers

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Matthew in the interactive graph →