Investor · Boston, MA

J2 Ventures Argonne Fund Gp, Llc

Open J2 in the network graph →

Filings

4

SEC Form D

Connections

7

co-filers

Capital

—

across filings

Active

Jul 2023

to Feb 2026

Most-connected co-filers (7)

Jonathan E. Bronson · Boston, MA4 shared Michael A. Harstrick · Boston, MA4 shared J2 Ventures Argonne Fund Gp, Llc · Boston, MA3 shared J2 Ventures Advisors, Llc · Boston, MA2 shared J2 Ventures Advisors, Llc · Boston, MA2 shared J2 Ventures Advisors, Llc · Boston, MA2 shared The Colony Group, LLC · Boston, MA1 shared

Recent filings (4)

J2 Ventures Strategic Opportunities E, L.P.Feb 2026 · 2 co-filers$12.0M 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 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 J2 in the interactive graph →