FirstMark Capital VI, L.P.
Late investment period
Late investment period: no first sale reported; age from Form D filed Apr 2022 (approximate)
No contact route found yet.
- Vintage
- Unknown
- Fund size
- $600M (Form D)
- 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
$6M to $10M (estimated from fund size)
Estimated from Form D
03 · Who to approach
Named on this fund's Form D
- Amish Jani, Manager of the General Partner
- Rick Heitzmann, Founder & 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
Last verified: Oct 28, 2026