Investor · San Francisco, CA
Josh Seidenfeld
Open Josh in the network graph →Filings
51
SEC Form D
Connections
99
co-filers
Capital
$10.8M
across filings
Active
Sep 2019
to Sep 2025
Most-connected co-filers (99)
Scott Clarke · San Francisco, CA34 sharedBryan Miller · San Francisco, CA34 sharedDavid E. Alperstein · Arlington, VA30 sharedBen O. Dineen · Arlington, VA30 sharedJeffrey E. Toporek · Los Angeles, CA30 sharedCinctive Capital Management Lp · New York, NY30 sharedLawrence Sapanski · New York, NY27 sharedChristine Glick · New York, NY27 sharedCinctive Capital Management Lp · New York, NY27 sharedRichard Schimel · New York, NY27 sharedJohn J. D'Agostino · Camana Bay, Grand Cayman, Cayman Islands18 sharedThomas K. Parsons, Jr · Grand Cayman, Cayman Islands18 sharedJeffrey L. Goodwin · Cullman, AL16 sharedDavid L. Garpstas · Mount Joy, PA16 sharedNoah Gordon · Tuscumbia, AL10 sharedMatthew J. Fellin · Mount Joy, PA10 sharedCinctive General Partner Llc · New York, NY7 sharedRob Hayes · SAN FRANCISCO, CA7 sharedSahm Adrangi · New York, NY7 sharedCinctive General Partner Llc · New York, NY6 sharedChristian Ottmann · San Francisco, CA5 sharedTisson Mathew · Beaverton, OR5 sharedLisettte Cooper · Boca Raton, FL5 sharedThomas O. Burke · Arlington, VA4 shared
Recent filings (51)
Kerrisdale Long Only Fund, LPFeb 2026Cosmos Pharmaceuticals, Inc.Oct 2025 · 10 co-filers$1.3MCinctive Global Master Fund Ltd.Sep 2025 · 16 co-filersCinctive Global Fund Ltd.Sep 2025 · 16 co-filersCinctive Global Fund LPSep 2025 · 12 co-filersKerrisdale Long Only Fund, LPFeb 2025 · 2 co-filersAmbagon Therapeutics Inc.Feb 2025 · 5 co-filers$12.0MAmbagon Therapeutics Inc.Feb 2025 · 5 co-filers$12.0MCinctive Global Fund LPSep 2024 · 12 co-filersCinctive Global Master Fund Ltd.Sep 2024 · 16 co-filersCinctive Global Fund Ltd.Sep 2024 · 16 co-filersCinctive Macro Fund Ltd.Jun 2024 · 16 co-filersCinctive Macro Master Fund Ltd.Jun 2024 · 16 co-filersCinctive Macro Fund LPJun 2024 · 12 co-filersKerrisdale Long Only Fund, LPFeb 2024 · 2 co-filersCinctive Global Fund Ltd.Sep 2023 · 16 co-filersCinctive Global Fund LPSep 2023 · 12 co-filersCinctive Global Master Fund Ltd.Sep 2023 · 16 co-filersCinctive Macro Fund LPJun 2023 · 12 co-filersCinctive Macro Master Fund Ltd.Jun 2023 · 16 co-filersCinctive Macro Fund Ltd.Jun 2023 · 16 co-filersKerrisdale Long Only Fund, LPFeb 2023 · 2 co-filersCinctive Global Master Fund Ltd.Sep 2022 · 16 co-filersCinctive Global Fund Ltd.Sep 2022 · 16 co-filersCinctive Global Fund LPSep 2022 · 12 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Josh in the interactive graph →