Investor · Boston, MA

Jonathan E. Bronson

Open Jonathan in the network graph →

Filings

6

SEC Form D

Connections

11

co-filers

Capital

$2.1M

across filings

Active

Jul 2023

to Nov 2025

Most-connected co-filers (11)

Michael A. Harstrick · Boston, MA6 shared J2 Ventures Argonne Fund Gp, Llc · Boston, MA4 shared J2 Ventures Advisors, Llc · Boston, MA3 shared J2 Ventures Argonne Fund Gp, Llc · Boston, MA3 shared J2 Ventures Advisors, Llc · Boston, MA3 shared J2 Ventures Advisors, Llc · Boston, MA3 shared J2 Ventures Brookhaven Fund Gp, Llc · Boston, MA1 shared J2 Venture Advisors, Llc · Boston, MA1 shared The Colony Group, LLC · Boston, MA1 shared J2 Venture Advisors, Llc · Boston, MA1 shared J2 Ventures Brookhaven Fund Gp, Llc · Boston, MA1 shared

Recent filings (6)

J2 Ventures Strategic Opportunities E, L.P.Feb 2026 · 2 co-filers$12.0M J2 Ventures Brookhaven Fund, L.P.Nov 2025 · 6 co-filers$250.0M J2 Ventures Strategic Opportunities D, L.P.Nov 2024 · 4 co-filers$6.5M J2 Ventures Argonne Fund (A), L.P.Nov 2023 · 6 co-filers$120.0M J2 Venture Strategic Opportunities B, L.P.Aug 2023 · 3 co-filers$2.1M J2 Ventures Argonne Fund, L.P.Jul 2023 · 6 co-filers$120.0M

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