Fragment
Ledger, payment and reconciliation infrastructure for software and AI agents.
$12MSeries A
LeadF
FirstMark
firstmark.com ↗Activity from announced rounds
Activity in this selectionOct 19, 2026 · Sep 20, 2026
An early-stage venture capital firm in New York, with recorded activity across enterprise software, infrastructure and fintech.
Investment focus
FirstMark is a New York-based early-stage venture capital firm. Its official portfolio covers areas including enterprise software, data infrastructure, fintech, healthcare and consumer technology. The firm also builds networks connecting founders with operators and the wider technology community.
Activity recorded on RoundOS
RoundOS records include Liquid Compute, Rillet, Onyx Security, Tracebit and SurrealDB. The published announcements show participation in compute-market infrastructure, accounting software, security and databases. This is a selection of recorded financings, rather than a complete account of FirstMark’s investments.
Sources
- Rounds participated in
- 1
- Confirmed lead rounds
- 1 All roles disclosed
- New companies
- 1 First participation on record · 0 follow-on
- Funding in participating rounds
- $12M 1 disclosed · full round size, not this investor’s share