Investor · BALTIMORE, MD
Matthew S. Porta
Open Matthew in the network graph →Filings
28
SEC Form D
Connections
144
co-filers
Capital
$5.0M
across filings
Active
Oct 2017
to Sep 2025
Most-connected co-filers (144)
David S. Plutzer · New York, NY18 sharedDamon Rawie · Austin, TX18 sharedJoseph A. Dimaria · New York, NY18 sharedJohn Motulsky · New York, NY18 sharedRichard Mather · LONDON, United Kingdom18 sharedDirk E. Degenaars · New York, NY16 sharedBarry M. Smee · Vancouver, British Columbia, Canada15 sharedIain M. Mclean · Vancouver, British Columbia, Canada15 sharedTimothy D. Marlow · Vancouver, British Columbia, Canada15 sharedAbbas Tahir · New York, NY15 sharedJason L. Cirrito · New York, NY15 sharedSteven Barry · New York, NY15 sharedEric M. Carlson · Vancouver, British Columbia, Canada15 sharedAaron D. Mendelsohn · SANTA MONICA, CA15 sharedKirsten E. Frivold Imohiosen · New York, NY12 sharedRichard Ferguson · Iowa City, IA12 sharedMichael J. Mahoney · ORINDA, CA12 sharedJames A. Condon · GREENWICH, CT10 sharedCraig C. Chambliss · San Diego, CA10 sharedDylan S. Sherwood · New York, NY10 sharedMonica E. Robertson · BALTIMORE, MD8 sharedBrendan Mcgovern · New York, NY8 sharedDonald Burton · BEDFORD, Nova Scotia, Canada8 sharedDarrin Campbell · BEDFORD, Nova Scotia, Canada8 shared
Recent filings (28)
Exchange Place: All Cap II LPSep 2025 · 24 co-filersExchange Place (Equity Only): All Cap LPJun 2025 · 24 co-filersExchange Place: All Cap II LPAug 2024 · 24 co-filersExchange Place (Equity Only): All Cap LPJun 2024 · 24 co-filersExchange Place: All Cap LPOct 2023 · 27 co-filersExchange Place: All Cap LPAug 2023 · 27 co-filersExchange Place (Equity Only): All Cap LPJun 2023 · 27 co-filersHORD COPLAN MACHT, INC.Jun 2023 · 32 co-filers$2.0MHORD COPLAN MACHT, INC.Mar 2023 · 35 co-filers$1.8MHORD COPLAN MACHT, INC.Sep 2022 · 35 co-filers$344KExchange Place: All Cap LPAug 2022 · 25 co-filersExchange Place (Equity Only): All Cap LPJun 2022 · 35 co-filersU.S. Real Property Income Fund, L.P.Mar 2022 · 42 co-filersHORD COPLAN MACHT, INC.Mar 2022 · 35 co-filers$1.5MHORD COPLAN MACHT, INC.Mar 2022 · 37 co-filers$1.5MHORD COPLAN MACHT, INC.Apr 2021 · 44 co-filers$1.4MHORD COPLAN MACHT, INC.Apr 2021 · 38 co-filers$1.4MExchange Place: All Cap LPMar 2021 · 25 co-filersU.S. Real Property Income Fund, L.P.Mar 2021 · 42 co-filersExchange Place (Equity Only): All Cap LPFeb 2021 · 25 co-filersExchange Place: All Cap LPMar 2020 · 33 co-filersU.S. Real Property Income Fund, L.P.Mar 2020 · 45 co-filersExchange Place LPOct 2019 · 33 co-filersHORD COPLAN MACHT, INC.Mar 2019 · 36 co-filers$706KExchange Place LPOct 2018 · 32 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Matthew in the interactive graph →