# Semma Therapeutics funding: rounds and investors > Semma Therapeutics has raised $158M across 2 rounds since 2015. Investors include ARCH Venture Partners, F-Prime Capital and Medtronic. Source: https://millionrounds.com/company/semma-therapeutics (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *Semma Therapeutics* 2 rounds we have observed, with the 12 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 Healthcare Funding summary Updated 26 Oct 2026 **$158M** raised across 2 rounds since 2015, from 2 sources **$44M** Series A **$114M** Series B - **Latest round:** Series B, $114M Nov 2017 - **Step-up i:** 2.6× - **Investors:** 12 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. 2016 2017 **$44M** Series A **$114M** Series B - **First round:** Series A, $44M - **Biggest round:** $114M - **Between rounds:** 2.7 years ## The rounds - **Nov 2017** Series B **$114M** *8 new* *3 returning* [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) [Eight Roads Ventures](https://millionrounds.com/fund/eight-roads) [F-Prime Capital](https://millionrounds.com/fund/f-prime) [Novartis](https://millionrounds.com/fund/novartis) [Medtronic](https://millionrounds.com/fund/medtronic) [6 Dimensions Capital](https://millionrounds.com/fund/6-dimensions-capital) [Wu Capital](https://millionrounds.com/fund/wu-capital) [JDRF T1D](https://millionrounds.com/fund/jdrf-t1d) [ORI Capital](https://millionrounds.com/fund/ori-capital) Cowen Healthcare Investments/ MPM SinoPharm Reported by FinSMEs SEC filing: $54M sold, first sale Nov 2017 - **Mar 2015** Series A **$44M** *4 new* [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) [F-Prime Capital](https://millionrounds.com/fund/f-prime) [MPM Capital](https://millionrounds.com/fund/mpm-bioimpact) [Medtronic](https://millionrounds.com/fund/medtronic) From a historical funding record SEC filing: $15M sold, first sale Mar 2015 ## Founders and team From the SEC filings it signed: 3 on the team. - **Bastiano Sanna** Executive Officer, Director i - **Kingsley Taft** Executive Officer i - **Todd Foley** Executive Officer, Director i On the board, as filed i *Daniel Auerbach* *Kevin Raidy* *Mark Fishman* *Mitchell Finer* *Stephen Knight* *William Sahlman* ## 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. **Series A** 2015 **Series B** 2017 [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) [F-Prime Capital](https://millionrounds.com/fund/f-prime) [Medtronic](https://millionrounds.com/fund/medtronic) [Eight Roads Ventures](https://millionrounds.com/fund/eight-roads) [MPM Capital](https://millionrounds.com/fund/mpm-bioimpact) [Novartis](https://millionrounds.com/fund/novartis) [6 Dimensions Capital](https://millionrounds.com/fund/6-dimensions-capital) [Wu Capital](https://millionrounds.com/fund/wu-capital) [JDRF T1D](https://millionrounds.com/fund/jdrf-t1d) [ORI Capital](https://millionrounds.com/fund/ori-capital) ## Everyone who backed them [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) VC firm **2** rounds [F-Prime Capital](https://millionrounds.com/fund/f-prime) VC firm **2** rounds [Medtronic](https://millionrounds.com/fund/medtronic) Growth equity **2** rounds [Eight Roads Ventures](https://millionrounds.com/fund/eight-roads) VC firm **1** round [MPM Capital](https://millionrounds.com/fund/mpm-bioimpact) Private equity **1** round [Novartis](https://millionrounds.com/fund/novartis) VC firm **1** round [6 Dimensions Capital](https://millionrounds.com/fund/6-dimensions-capital) VC firm **1** round [Wu Capital](https://millionrounds.com/fund/wu-capital) Family office **1** round [JDRF T1D](https://millionrounds.com/fund/jdrf-t1d) Growth equity **1** round [ORI Capital](https://millionrounds.com/fund/ori-capital) VC firm **1** round Cowen Healthcare Investments/ MPM no record of our own yet **1** round SinoPharm no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=semma-therapeutics). ## Quick answers about Semma Therapeutics ### Who invested in Semma Therapeutics? Semma Therapeutics's investors include ARCH Venture Partners, F-Prime Capital, Medtronic, Eight Roads Ventures and MPM Capital, and 7 more on record. ### How much has Semma Therapeutics raised? Semma Therapeutics has raised $158M across 2 rounds since 2015. ### When did Semma Therapeutics last raise? Semma Therapeutics's most recent round was a Series B of $114M in Nov 2017. ### What was Semma Therapeutics's biggest round? Its most recent round, $114M in Nov 2017, is also its largest on record. ### Who backed Semma Therapeutics first? Semma Therapeutics's first round on record, in Mar 2015, was backed by ARCH Venture Partners, F-Prime Capital and MPM Capital and 1 others. ### What stage is Semma Therapeutics at? Semma Therapeutics's latest named round is a Series B, in Nov 2017. ### Where is Semma Therapeutics based? Semma Therapeutics is based in the United States. ## Companies like Semma Therapeutics 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)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio) ## 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