United States · Funded startup

Who invested in CrossBridge Bio

2 rounds we have observed, with the 2 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Biotech

Raised 12 months ago

Funding summaryUpdated 26 Oct 2026

$25Mraised across 2 rounds since 2024, from 2 sources

$10MSeed$15MGrant

Latest round: Grant, $15MNov 2025
Step-upi: 1.5×
Investors: 2

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2025

$10MSeed$15MGrant

First round: Seed, $10M
Biggest round: $15M
Between rounds: 12 months

The rounds

Nov 2025
Grant$15M1 new1 returning
- Alexandria Venture Investments
- Revent
Source recorded
Nov 2024
Seed$10M1 new
- Alexandria Venture Investments
Source recordedSEC filing: $11M sold, first sale Oct 2024

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Seed2024Grant2025Alexandria Venture Investments

Revent

Everyone who backed them

Alexandria Venture InvestmentsVC firm2rounds

ReventVC firm1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 2 firms list CrossBridge Bio as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.