# ImmuneBridge funding: rounds and investors > ImmuneBridge has raised $13M across 2 rounds since 2025. Investors include Gaingels, Insight Partners and Pioneer Fund. Every round with its source. Source: https://millionrounds.com/company/immunebridge (Millionrounds; every figure on the page links to its filing or article) United States · [Seed startup](https://millionrounds.com/companies) # Who invested in *ImmuneBridge* 2 rounds we have observed, with the 6 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 8 months ago Funding summary Updated 26 Oct 2026 **$13M** raised across 2 rounds since 2025, from 2 sources **$5.6M** Venture **$7.7M** Seed - **Latest round:** Seed, $7.7M Mar 2026 - **Step-up i:** 1.4× - **Investors:** 6 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. 2026 **$5.6M** Venture **$7.7M** Seed - **First round:** Venture, $5.6M - **Biggest round:** $7.7M - **Between rounds:** 11 months ## The rounds - **Mar 2026** Seed **$7.7M** *1 new* *4 returning* [Gaingels](https://millionrounds.com/fund/gaingels) [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [Quiet Capital](https://millionrounds.com/fund/quiet-capital) [NFX](https://millionrounds.com/fund/nfx) Source recorded - **Apr 2025** Venture **$5.6M** *5 new* [Gaingels](https://millionrounds.com/fund/gaingels) [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [Quiet Capital](https://millionrounds.com/fund/quiet-capital) [One Way Ventures](https://millionrounds.com/fund/one-way-ventures) Source recorded SEC filing: $5.6M sold, first sale Mar 2025 ## Founders and team From ImmuneBridge's own website: 5 on the team. - **James Liu** Chief Technology Officer - **Alicia Romero** Operations Manager - **Dylan Morris** Board Member - **Kimberly Zai** Machine Learning and Data Engineer - **S. Alexander Jacobson** Board Member ## 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. **Venture** 2025 **Seed** 2026 [Gaingels](https://millionrounds.com/fund/gaingels) [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [Quiet Capital](https://millionrounds.com/fund/quiet-capital) [NFX](https://millionrounds.com/fund/nfx) [One Way Ventures](https://millionrounds.com/fund/one-way-ventures) ## Everyone who backed them [Gaingels](https://millionrounds.com/fund/gaingels) Private equity **2** rounds [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) VC firm **2** rounds [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **2** rounds [Quiet Capital](https://millionrounds.com/fund/quiet-capital) VC firm **2** rounds [NFX](https://millionrounds.com/fund/nfx) VC firm **1** round [One Way Ventures](https://millionrounds.com/fund/one-way-ventures) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=immunebridge). ## Also claim to have backed them This firm lists ImmuneBridge as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [LongGame Ventures](https://millionrounds.com/fund/longgame-ventures) VC firm Per its own site ## Quick answers about ImmuneBridge ### Who invested in ImmuneBridge? ImmuneBridge's investors include Gaingels, Insight Partners, Pioneer Fund, Quiet Capital and NFX, and 1 more on record. ### How much has ImmuneBridge raised? ImmuneBridge has raised $13M across 2 rounds since 2025. ### When did ImmuneBridge last raise? ImmuneBridge's most recent round was a Seed of $7.7M in Mar 2026. ### What was ImmuneBridge's biggest round? Its most recent round, $7.7M in Mar 2026, is also its largest on record. ### Who backed ImmuneBridge first? ImmuneBridge's first round on record, in Apr 2025, was backed by Gaingels, Insight Partners and Pioneer Fund and 2 others. ### What stage is ImmuneBridge at? ImmuneBridge's latest named round is a Seed, in Mar 2026. ### Where is ImmuneBridge based? ImmuneBridge is based in the United States. ## Companies like ImmuneBridge In the same sector, and raised in the last eighteen months. [**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app