Investor · New York, NY

Matthew S. Rizzo

Open Matthew in the network graph →

Filings

25

SEC Form D

Connections

62

co-filers

Capital

$5.8B

across filings

Active

Apr 2022

to Sep 2025

Most-connected co-filers (62)

W. C. Neild · New York, NY21 shared Peter A. Thompson · New York, NY21 shared Carl L. Gordon · New York, NY21 shared David P. Bonita · New York, NY21 shared C. S. Stevens · New York, NY21 shared Geoffrey C. Hsu · New York, NY21 shared Sven H. Borho · New York, NY21 shared Orbimed Advisors Llc · New York, NY11 shared Orbimed Advisors Llc · New York, NY11 shared OrbiMed Advisors LLC · New York, NY10 shared Mark Hoadley · San Diego, CA4 shared Peppertree Capital Fix LP · CHAGRIN FALLS, OH4 shared Caroline Xie · Mountain View, CA4 shared Gerald L. Van Horn · Greenwood Village, CO4 shared Jeffrey Rubenstein · Boca Raton, FL4 shared Edward Mainous · Boulder, CO4 shared Mark L. Lane · Greenwood Village, CO4 shared Matthew Opperman · Boulder, CO4 shared Alan Heppenstall · Mountain View, CA4 shared C. M. Stout · SAN FRANCISCO, CA4 shared James T. Mcclements · Denver, CO4 shared Michael J. Rowe · Denver, CO4 shared Alan I. Mattamana · West Hartford, CT4 shared Mark R. Poff · San Francisco, CA4 shared

Recent filings (25)

OrbiMed Genesis Fund, L.P.Dec 2025 · 13 co-filers OrbiMed Private Investments X, LPSep 2025 · 15 co-filers$1.8B OrbiMed Partners II, L.P.Jul 2025 · 24 co-filers OrbiMed RCO V Offshore Feeder, LPMay 2025 · 14 co-filers$1.8B OrbiMed Royalty & Credit Opportunities V, LPMay 2025 · 14 co-filers$1.8B OrbiMed Genesis Fund, L.P.Dec 2024 · 12 co-filers OrbiMed RCO V Offshore Feeder, LPNov 2024 · 15 co-filers$1.8B OrbiMed Royalty & Credit Opportunities V, LPNov 2024 · 15 co-filers$1.8B OrbiMed Partners II, L.P.Jul 2024 · 24 co-filers OrbiMed Genesis Fund, L.P.Dec 2023 · 11 co-filers OrbiMed Partners II, L.P.Jul 2023 · 24 co-filers OrbiMed Private Investments IX, LPApr 2023 · 12 co-filers$1.9B OrbiMed New Horizons Fund, L.P.Apr 2023 · 11 co-filers OrbiMed RCO IV Offshore Feeder, LPDec 2022 · 12 co-filers$500.0M OrbiMed Royalty & Credit Opportunities IV, LPDec 2022 · 12 co-filers$1.8B OrbiMed Genesis Fund, L.P.Dec 2022 · 11 co-filers Fuego, Inc.Oct 2022 · 6 co-filers$760K OrbiMed RCO IV Offshore Feeder, LPJul 2022 · 12 co-filers$350.0M OrbiMed Partners II, L.P.Jul 2022 · 24 co-filers OrbiMed Royalty & Credit Opportunities IV, LPApr 2022 · 12 co-filers$1.8B OrbiMed Private Investments IX, LPApr 2022 · 12 co-filers$1.9B OrbiMed New Horizons Fund, L.P.Apr 2022 · 11 co-filers GP Invitation Fund III, LPNov 2021 · 14 co-filers$350.0M Fuego, Inc.Sep 2021 · 6 co-filers$2.0M GP Invitation Fund III, LPSep 2021 · 14 co-filers$350.0M

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