# Thetis Pharmaceuticals funding: rounds and investors > Thetis Pharmaceuticals has raised $16M across 3 rounds since 2011. Investors include Connecticut Innovations, National Institutes of Health and Stonehenge... Source: https://millionrounds.com/company/thetis-pharmaceuticals (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Thetis Pharmaceuticals* 3 rounds we have observed, with the 3 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 Funding summary Updated 26 Oct 2026 **$16M** raised across 3 rounds since 2011, from 3 sources **$1.7M** Seed **$5.7M** Venture **$9.0M** Debt - **Latest round:** Debt, $9.0M Jan 2025 - **Step-up i:** 1.6× - **Investors:** 3 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. 2011 2013 2015 2017 2019 2021 2023 2025 **$1.7M** Seed **$5.7M** Venture **$9.0M** Debt - **First round:** Seed, $1.7M - **Biggest round:** $9.0M - **Usual gap between rounds:** 12 years ## The rounds - **Jan 2025** Debt **$9.0M** *1 new* *1 returning* [National Institutes of Health](https://millionrounds.com/fund/national-institutes-of-health) [Connecticut Innovations](https://millionrounds.com/fund/connecticut-innovations) Source recorded - **Dec 2012** Venture **$5.7M** No investor was named in the report. Reported by sec.gov SEC filing: $5.7M sold, first sale Dec 2012 - **Aug 2011** Seed **$1.7M** *2 new* [Connecticut Innovations](https://millionrounds.com/fund/connecticut-innovations) [Stonehenge Capital](https://millionrounds.com/fund/stonehenge-capital) Reported by masshightech.com SEC filing: $1.5M sold, first sale Aug 2011 ## Founders and team From the SEC filings it signed: 5 on the team. - **Cynthia F. Green** Manager i - **Dennis F. Willson** Manager i - **Frank C. Sciavolino** Manager i - **Gary Mathias** Manager i - **Walter Ogier** Manager i ## 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. **Seed** 2011 **Venture** 2012 **Debt** 2025 [Connecticut Innovations](https://millionrounds.com/fund/connecticut-innovations) [National Institutes of Health](https://millionrounds.com/fund/national-institutes-of-health) [Stonehenge Capital](https://millionrounds.com/fund/stonehenge-capital) ## Everyone who backed them [Connecticut Innovations](https://millionrounds.com/fund/connecticut-innovations) Government **2** rounds [National Institutes of Health](https://millionrounds.com/fund/national-institutes-of-health) Government **1** round [Stonehenge Capital](https://millionrounds.com/fund/stonehenge-capital) Investment firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=thetis-pharmaceuticals). ## Quick answers about Thetis Pharmaceuticals ### Who invested in Thetis Pharmaceuticals? Thetis Pharmaceuticals's investors include Connecticut Innovations, National Institutes of Health and Stonehenge Capital. ### How much has Thetis Pharmaceuticals raised? Thetis Pharmaceuticals has raised $16M across 3 rounds since 2011. ### When did Thetis Pharmaceuticals last raise? Thetis Pharmaceuticals's most recent round was a Debt of $9.0M in Jan 2025. ### What was Thetis Pharmaceuticals's biggest round? Its most recent round, $9.0M in Jan 2025, is also its largest on record. ### Who backed Thetis Pharmaceuticals first? Thetis Pharmaceuticals's first round on record, in Aug 2011, was backed by Connecticut Innovations and Stonehenge Capital. ### What stage is Thetis Pharmaceuticals at? Thetis Pharmaceuticals's latest named round is a Debt, in Jan 2025. ### Where is Thetis Pharmaceuticals based? Thetis Pharmaceuticals is based in the United States. ## Companies like Thetis Pharmaceuticals 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