Investor · New York, NY
Steven Altschuler
Open Steven in the network graph →Filings
22
SEC Form D
Connections
119
co-filers
Capital
$292.0M
across filings
Active
Mar 2015
to Oct 2025
Most-connected co-filers (119)
Alan Ezekowitz · Cambridge, MA12 sharedJordan P. Katz · SANTA MONICA, CA5 sharedStephen Klein · Miami Beach, FL5 sharedTimothy P. Meyer · SANTA MONICA, CA5 sharedMatt Auriemma · Grand Cayman, Cayman Islands5 sharedJonathan Kagan · Watertown, MA4 sharedNick Seaver · Watertown, MA4 sharedAndrew Bellinger · Watertown, MA4 sharedRichard Malley · North Cambridge, MA4 sharedSusan V. Rosenbaum · Little Rock, AR3 sharedSteven C. Etchison · Little Rock, AR3 sharedJeremy Tryba · Seattle, WA3 sharedP. H. Spaht · SAN FRANCISCO, CA3 sharedRyan K. Hart · Denver, CO3 sharedGayatri Sarkar · Boston, MA3 sharedCarmen A. Bauza · Tampa, FL3 sharedSeth J. Boro · SAN FRANCISCO, CA3 sharedCarl D. Thoma · CHICAGO, IL3 sharedLee M. Mitchell · CHICAGO, IL3 sharedSamuel S. Crabill · SAN FRANCISCO, CA3 sharedStephanie Weichsel · Brooklyn, NY3 sharedOrlando M. Bravo · SAN FRANCISCO, CA3 sharedJames B. Hart, Jr · Denver, CO3 sharedSamantha A. Lomow · Pawtucket, RI3 shared
Recent filings (22)
Corner Therapeutics, Inc.Oct 2025 · 15 co-filers$16.8MCorner Therapeutics, Inc.Oct 2025 · 15 co-filers$16.8MCorner Therapeutics, Inc.Aug 2025 · 23 co-filers$63.5MCorner Therapeutics, Inc.Apr 2025 · 23 co-filers$53.7MAsclepiX Therapeutics, Inc.Apr 2024 · 22 co-filers$12.5MAsclepiX Therapeutics, Inc.Apr 2024 · 22 co-filers$12.5MCorner Therapeutics, Inc.Apr 2024 · 16 co-filers$50.9MAEP GALAXY, L.P.Jun 2023 · 5 co-filersAEP GALAXY-A, L.P.Jun 2023 · 5 co-filersWW INTERNATIONAL, INC.Apr 2023 · 29 co-filers$34.7MWW INTERNATIONAL, INC.Apr 2023 · 29 co-filers$34.7MOrchard Therapeutics plcMar 2023 · 17 co-filersOrchard Therapeutics plcMar 2023 · 17 co-filersANGELES EQUITY PARTNERS II, L.P.Dec 2022 · 5 co-filers$500.0MANGELES EQUITY PARTNERS II-A, L.P.Dec 2022 · 5 co-filers$500.0MThoma Bravo Credit Fund III Feeder, L.P.Dec 2022 · 19 co-filers$1.8BThoma Bravo Credit Fund III Feeder B, L.P.Dec 2022 · 19 co-filers$1.8BThoma Bravo Credit Fund III Feeder A, L.P.Dec 2022 · 19 co-filers$1.8BANGELES EQUITY PARTNERS II-EXEC, L.P.Nov 2022 · 5 co-filersPlatelet BioGenesis, Inc.Nov 2021 · 13 co-filers$35.4MPlatelet BioGenesis, Inc.Nov 2021 · 13 co-filers$35.4MOrchard Therapeutics plcFeb 2021 · 19 co-filers$150.0MOrchard Therapeutics plcFeb 2021 · 19 co-filers$150.0MAffinivax, Inc.Jan 2021 · 13 co-filers$226.0MAffinivax, Inc.Jan 2021 · 13 co-filers$226.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Steven in the interactive graph →