Ledger.
Investor · Boston, MA

J2 Ventures Advisors, Llc

Open J2 in the network graph →
Filings
3
SEC Form D
Connections
8
co-filers
Capital
across filings
Active
Jul 2023
to Nov 2025

Most-connected co-filers (8)

Michael A. Harstrick · Boston, MA3 sharedJ2 Ventures Advisors, Llc · Boston, MA3 sharedJonathan E. Bronson · Boston, MA3 sharedJ2 Ventures Advisors, Llc · Boston, MA3 sharedJ2 Ventures Argonne Fund Gp, Llc · Boston, MA2 sharedJ2 Ventures Argonne Fund Gp, Llc · Boston, MA2 sharedJ2 Ventures Brookhaven Fund Gp, Llc · Boston, MA1 sharedJ2 Ventures Brookhaven Fund Gp, Llc · Boston, MA1 shared

Recent filings (3)

J2 Ventures Brookhaven Fund, L.P.Nov 2025 · 6 co-filers$250.0MJ2 Ventures Argonne Fund (A), L.P.Nov 2023 · 6 co-filers$120.0MJ2 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 →