# Siren Biotechnology funding: rounds and investors > Siren Biotechnology has raised $8.0M across 2 rounds since 2024. Investors include Founders Fund, Lux Capital and Innovation Endeavors. Source: https://millionrounds.com/company/siren-biotechnology (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Siren Biotechnology* 2 rounds we have observed, with the 5 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 5 months ago Funding summary Updated 26 Oct 2026 **$8.0M** raised across 2 rounds since 2024, from 2 sources - **Latest round:** Grant, $8.0M Jun 2026 - **Investors:** 5 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 2026 **?** Venture **$8.0M** Grant - **First round:** Venture - **Biggest round:** $8.0M - **Between rounds:** 2 years ## The rounds - **Jun 2026** Grant **$8.0M** *4 returning* [Founders Fund](https://millionrounds.com/fund/founders-fund) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Innovation Endeavors](https://millionrounds.com/fund/innovation-endeavors) [Artis Ventures (AV)](https://millionrounds.com/fund/artis-ventures-av) Source recorded - **Jun 2024** Venture **Amount undisclosed** *5 new* [Founders Fund](https://millionrounds.com/fund/founders-fund) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Innovation Endeavors](https://millionrounds.com/fund/innovation-endeavors) [Artis Ventures (AV)](https://millionrounds.com/fund/artis-ventures-av) [NZVC](https://millionrounds.com/fund/nzvc) Source recorded SEC filing: $20M sold, first sale Apr 2024 ## Founders and team From Siren Biotechnology's own website and the SEC filings it signed: 5 on the team. - **Christopher Novashinski** Head of Regulatory - **Tracy TreDenick-Fricke** Head of Quality - **Clinical Lead** Director of Translational Research - **Ford H-Kirschenbaum** Scientist - Translational Research - **Nicole Paulk** Executive Officer, Director i On the board, as filed i *Brad Allen* *Sharon Tetlow* ## 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** 2024 **Grant** 2026 [Founders Fund](https://millionrounds.com/fund/founders-fund) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Innovation Endeavors](https://millionrounds.com/fund/innovation-endeavors) [Artis Ventures (AV)](https://millionrounds.com/fund/artis-ventures-av) [NZVC](https://millionrounds.com/fund/nzvc) ## Everyone who backed them [Founders Fund](https://millionrounds.com/fund/founders-fund) VC firm **2** rounds [Lux Capital](https://millionrounds.com/fund/lux-capital) VC firm **2** rounds [Innovation Endeavors](https://millionrounds.com/fund/innovation-endeavors) VC firm **2** rounds [Artis Ventures (AV)](https://millionrounds.com/fund/artis-ventures-av) VC firm **2** rounds [NZVC](https://millionrounds.com/fund/nzvc) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=siren-biotechnology). ## Also claim to have backed them These 3 firms list Siren Biotechnology 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. [Avila VC](https://millionrounds.com/fund/avila-vc) VC firm Per its own site [Carnrite Ventures](https://millionrounds.com/fund/carnrite-ventures-2) VC firm Per its own site [Hawktail](https://millionrounds.com/fund/hawktail) VC firm Per its own site ## Quick answers about Siren Biotechnology ### Who invested in Siren Biotechnology? Siren Biotechnology's investors include Founders Fund, Lux Capital, Innovation Endeavors, Artis Ventures (AV) and NZVC. ### How much has Siren Biotechnology raised? Siren Biotechnology has raised $8.0M across 2 rounds since 2024. One round did not disclose an amount, so the total is a floor. ### When did Siren Biotechnology last raise? Siren Biotechnology's most recent round was a Grant of $8.0M in Jun 2026. ### What was Siren Biotechnology's biggest round? Its most recent round, $8.0M in Jun 2026, is also its largest on record. ### Who backed Siren Biotechnology first? Siren Biotechnology's first round on record, in Jun 2024, was backed by Founders Fund, Lux Capital and Innovation Endeavors and 2 others. ### What stage is Siren Biotechnology at? Siren Biotechnology's latest named round is a Grant, in Jun 2026. ### Where is Siren Biotechnology based? Siren Biotechnology is based in the United States. ## Companies like Siren Biotechnology 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