# Effector Therapeutics funding: rounds and investors > Effector Therapeutics has raised $99M across 3 rounds since 2013. Investors include SR One, U.S. Venture Partners and Abingworth. Every round with its source. Source: https://millionrounds.com/company/effector-therapeutics (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Effector Therapeutics* 3 rounds we have observed, with the 17 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 **$99M** raised across 3 rounds since 2013, from 3 sources **$45M** Series A **$39M** Series C **$15M** Round - **Latest round:** Round, $15M Jan 2024 - **Biggest round:** $45M Series A · May 2013 - **Investors:** 17 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. 2013 2015 2017 2019 2021 2023 **$45M** Series A **$39M** Series C **$15M** Round - **First round:** Series A, $45M - **Biggest round:** $45M - **Usual gap between rounds:** 6.4 years ## The rounds - **Jan 2024** Round **$15M** *2 new* *1 returning* [SR One](https://millionrounds.com/fund/sr-one) [AbbVie](https://millionrounds.com/fund/abbvie) [Mission BioCapital](https://millionrounds.com/fund/mission-biocapital) Source recorded - **Jul 2017** Series C **$39M** *8 new* *3 returning* [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) [SR One](https://millionrounds.com/fund/sr-one) [Novartis](https://millionrounds.com/fund/novartis) [Abingworth](https://millionrounds.com/fund/abingworth) [The Column Group](https://millionrounds.com/fund/the-column-group) [BioMed](https://millionrounds.com/fund/biomed) [Altitude](https://millionrounds.com/fund/altitude-2) Abbvie Biotech Astellas Pfizer Venture Investments/ Alexandria Sectoral Asset Reported by FinSMEs SEC filing: $17M sold, first sale Jul 2017 - **May 2013** Series A **$45M** *7 new* [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) [Novartis Venture Fund](https://millionrounds.com/fund/novartis-venture-fund) [SR One](https://millionrounds.com/fund/sr-one) [Osage University Partners](https://millionrounds.com/fund/osage-university-partners) [Abingworth](https://millionrounds.com/fund/abingworth) [Astellas Venture Management](https://millionrounds.com/fund/astellas-venture-management) [Mission Bay Capital](https://millionrounds.com/fund/mission-bay-capital) Reported by fiercebiotech.com SEC filing: $17M sold, first sale May 2013 ## Founders and team From the SEC filings it signed: 2 on the team. - **Alana D. McNulty** Executive Officer i - **Stephen T. Worland** Executive Officer, Director i On the board, as filed i *David D. Maki* *Denis W. Patrick* *John W. Smither* *Jonathan D. Root* *Kenneth J. Haas* *Laurence T. Lasky* *Simeon J. George* *Stefan D. Larson* ## 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** 2013 **Series C** 2017 **Round** 2024 [SR One](https://millionrounds.com/fund/sr-one) [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) [Abingworth](https://millionrounds.com/fund/abingworth) [Novartis Venture Fund](https://millionrounds.com/fund/novartis-venture-fund) [Novartis](https://millionrounds.com/fund/novartis) [Osage University Partners](https://millionrounds.com/fund/osage-university-partners) [AbbVie](https://millionrounds.com/fund/abbvie) [Mission BioCapital](https://millionrounds.com/fund/mission-biocapital) [The Column Group](https://millionrounds.com/fund/the-column-group) [Astellas Venture Management](https://millionrounds.com/fund/astellas-venture-management) ## Everyone who backed them [SR One](https://millionrounds.com/fund/sr-one) Corporate VC **3** rounds [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) VC firm **2** rounds [Abingworth](https://millionrounds.com/fund/abingworth) VC firm **2** rounds [Novartis Venture Fund](https://millionrounds.com/fund/novartis-venture-fund) Corporate VC **1** round [Novartis](https://millionrounds.com/fund/novartis) VC firm **1** round [Osage University Partners](https://millionrounds.com/fund/osage-university-partners) VC firm **1** round [AbbVie](https://millionrounds.com/fund/abbvie) Corporate VC **1** round [Mission BioCapital](https://millionrounds.com/fund/mission-biocapital) VC firm **1** round [The Column Group](https://millionrounds.com/fund/the-column-group) VC firm **1** round [Astellas Venture Management](https://millionrounds.com/fund/astellas-venture-management) Corporate VC **1** round [Mission Bay Capital](https://millionrounds.com/fund/mission-bay-capital) VC firm **1** round [BioMed](https://millionrounds.com/fund/biomed) Growth equity **1** round [Altitude](https://millionrounds.com/fund/altitude-2) VC firm **1** round Abbvie Biotech no record of our own yet **1** round Astellas no record of our own yet **1** round Pfizer Venture Investments/ Alexandria no record of our own yet **1** round Sectoral Asset 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=effector-therapeutics). ## Quick answers about Effector Therapeutics ### Who invested in Effector Therapeutics? Effector Therapeutics's investors include SR One, U.S. Venture Partners, Abingworth, Novartis Venture Fund and Novartis, and 12 more on record. ### How much has Effector Therapeutics raised? Effector Therapeutics has raised $99M across 3 rounds since 2013. ### When did Effector Therapeutics last raise? Effector Therapeutics's most recent round was an Undisclosed round of $15M in Jan 2024. ### What was Effector Therapeutics's biggest round? Effector Therapeutics's largest round on record is $45M (Series A), in May 2013. ### Who backed Effector Therapeutics first? Effector Therapeutics's first round on record, in May 2013, was backed by U.S. Venture Partners, Novartis Venture Fund and SR One and 4 others. ### What stage is Effector Therapeutics at? Effector Therapeutics's latest named round is an Undisclosed round, in Jan 2024. ### Where is Effector Therapeutics based? Effector Therapeutics is based in the United States. ## Companies like Effector 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