Investor · Santa Monica, CA

Benjamin N. Marcus

Open Benjamin in the network graph →

Filings

17

SEC Form D

Connections

50

co-filers

Capital

$25.2M

across filings

Active

Jul 2018

to Nov 2025

Most-connected co-filers (50)

Cyrus N. Sigari · Santa Monica, CA11 shared James Moore · New York, NY9 shared Michael P. Feng · Mountain View, CA9 shared Matthew Posard · San Carlos, CA7 shared Wassim Zreik · Burbank, CA7 shared Man Tong P. Kou · Mountain View, CA7 shared Ketan W. Patel · New Haven, CT4 shared Rob Hopfner · Boston, MA4 shared Jonathan Richards · Vancouver, British Columbia, Canada4 shared Up Ventures Gp I, Llc · Santa Monica, CA4 shared James M. Schultz · Prairie Village, KS4 shared Up Ventures Gp I, Llc · Santa Monica, CA4 shared Charles Hethey · Vancouver, British Columbia, Canada4 shared Robert Mcmorran · Vancouver, British Columbia, Canada4 shared Jeff M. Weinrich · Fairway, KS4 shared Nathaniel N. Hagedorn · Prairie Village, KS4 shared Frank N. Franano · Prairie Village, KS4 shared Thomas C. Koerner · Warwick, RI3 shared Sujal B. Patel · Seattle, WA3 shared Mark E. Pacala · KNOXVILLE, TN3 shared Sandhya Murali · Cambridge, MA3 shared Stephanie Speirs · Cambridge, MA3 shared Mick Ebeling · Venice, CA3 shared Justin Y. Cho · SAN FRANCISCO, CA3 shared

Recent filings (17)

UP Ventures SPV M2, LLCNov 2025 · 10 co-filers$1.7M UP Ventures SPV P, LLCOct 2025 · 7 co-filers$1.7M UP Abundance I, L.P.Mar 2025 · 6 co-filers$20.0M UP Labs Fund I, L.P.Mar 2025 · 9 co-filers$200.0M UP Ventures II, L.P.Mar 2024 · 10 co-filers$230.0M UP Ventures SPV S2, LLCMay 2022 · 7 co-filers$645K UP Ventures SPV M, LLCApr 2022 · 7 co-filers$8.1M UP Ventures SPV S, LLCMar 2021 · 7 co-filers$13.1M UP Ventures I, L.P.May 2020 · 7 co-filers$200.0M Lirio, LLCDec 2019 · 17 co-filers$21.5M Lirio, LLCDec 2019 · 17 co-filers$21.5M Lirio, LLCAug 2019 · 11 co-filers$3.0M Arena Analytics Inc.Jul 2019 · 9 co-filers$14.0M Lirio, LLCFeb 2019 · 17 co-filers$10.0M Arena Analytics Inc.Feb 2019 · 14 co-filers$14.0M Arena Analytics Inc.Jul 2018 · 9 co-filers$11.0M AirMap, Inc.Jul 2015 · 5 co-filers$2.7M AirMap, Inc.Jul 2015 · 5 co-filers$2.7M

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