vcvibes

Firstmark Capital, LLC

FirstMark Capital J1, L.P.

Late investment period

Late investment period: no first sale reported; age from Form D filed Nov 2021 (approximate)

No contact route found yet.

Vintage
Unknown
Fund size
$100M to $104.71M (Form D and SEC adviser filing)
Stages
Not stated
Sectors
Not stated
Regions
NY

01 · Thesis

FirstMark is an early-stage venture capital firm in New York City that backs exceptional founders building companies. Its portfolio spans digital health, legaltech, enterprise AI, commerce and developer tools.Inferred from the firm's website and portfolio companies

02 · Initial check

$1M to $1.75M (estimated from fund size)

Estimated from Form D and SEC adviser filing

03 · Who to approach

Named on this fund's Form D

  • Amish Jani, Manager of the General Partner
  • Rick Heitzmann, Founder & Partner
  • Eric Cheung, General Counsel of the General Partner

04 · Deals

No deals attributed to this fund yet.

05 · Evidence

  • Firm-wideFirstMark is an early-stage venture capital firm based in New York City that backs founders building companies.

    FirstMark is an early-stage venture capital firm in New York City.
    https://firstmark.com/

06 · Sources

  1. https://firstmark.com/
  2. https://www.sec.gov/Archives/edgar/data/1891530/000189153021000002/

Last verified: Oct 28, 2026