# Lygos funding: rounds and investors > Lygos has raised $35M across 4 rounds since 2016. Investors include IA Ventures, OS Fund and Y Combinator. Every round with its source. Source: https://millionrounds.com/company/lygos (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Lygos* 4 rounds we have observed, with the 7 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 Chemicals & Materials Healthcare Y Combinator: W16 Funding summary Updated 26 Oct 2026 **$35M** raised across 4 rounds since 2016, from 4 sources **$13M** Series A **$16M** Series B **$5.0M** Round **$1.8M** Grant - **Latest round:** Grant, $1.8M Jul 2024 - **Biggest round:** $16M Series B · Jul 2018 - **Investors:** 7 (2 led) 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. 2018 2020 2022 2024 **$13M** Series A **$16M** Series B **$5.0M** Round **$1.8M** Grant - **First round:** Series A, $13M - **Biggest round:** $16M - **Usual gap between rounds:** 19 months ## The rounds - **Jul 2024** Grant **$1.8M** *4 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [First Round Capital](https://millionrounds.com/fund/first-round-capital) [Fifty Years](https://millionrounds.com/fund/fifty-years-industries-llc) Source recorded - **Jan 2019** Round **$5.0M** *1 new* [LG](https://millionrounds.com/fund/lg-technology-ventures) Reported by FinSMEs SEC filing: $16M sold, first sale Mar 2018 - **Jul 2018** Series B **$16M** *2 returning* [IA Ventures](https://millionrounds.com/fund/ia-ventures) [OS Fund](https://millionrounds.com/fund/os-fund) Reported by FinSMEs - **Dec 2016** Series A **$13M** *2 new* [IA Ventures](https://millionrounds.com/fund/ia-ventures) Lead [OS Fund](https://millionrounds.com/fund/os-fund) Lead Reported by TechCrunch SEC filing: $13M sold, first sale Oct 2016 ## Founders and team From the SEC filings it signed: 2 on the team. - **Eric Steen** Executive Officer, Director i - **Jeffrey Dietrich** Executive Officer i On the board, as filed i *Brad Gillespie* *Jay Keasling* ## 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** 2016 **Series B** 2018 **Round** 2019 **Grant** 2024 [IA Ventures](https://millionrounds.com/fund/ia-ventures) L [OS Fund](https://millionrounds.com/fund/os-fund) L [Y Combinator](https://millionrounds.com/fund/y-combinator) [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [First Round Capital](https://millionrounds.com/fund/first-round-capital) [Fifty Years](https://millionrounds.com/fund/fifty-years-industries-llc) [LG](https://millionrounds.com/fund/lg-technology-ventures) ## Everyone who backed them [IA Ventures](https://millionrounds.com/fund/ia-ventures) VC firm **2** rounds, led 1 [OS Fund](https://millionrounds.com/fund/os-fund) VC firm **2** rounds, led 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **1** round [First Round Capital](https://millionrounds.com/fund/first-round-capital) VC firm **1** round [Fifty Years](https://millionrounds.com/fund/fifty-years-industries-llc) VC firm **1** round [LG](https://millionrounds.com/fund/lg-technology-ventures) Corporate VC **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=lygos). ## Also claim to have backed them These 3 firms list Lygos 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. [10x Founders](https://millionrounds.com/fund/10x-founders) VC firm Per its own site [Catapult](https://millionrounds.com/fund/catapult-vc) VC firm Per its own site [Compa Capital](https://millionrounds.com/fund/compa-capital) VC firm Per its own site ## Quick answers about Lygos ### Who invested in Lygos? Lygos's investors include IA Ventures, OS Fund, Y Combinator, National Science Foundation and First Round Capital, and 2 more on record. ### How much has Lygos raised? Lygos has raised $35M across 4 rounds since 2016. ### When did Lygos last raise? Lygos's most recent round was a Grant of $1.8M in Jul 2024. ### What was Lygos's biggest round? Lygos's largest round on record is $16M (Series B), in Jul 2018. ### Who backed Lygos first? Lygos's first round on record, in Dec 2016, was backed by IA Ventures and OS Fund. ### What stage is Lygos at? Lygos's latest named round is a Grant, in Jul 2024. ### Where is Lygos based? Lygos is based in the United States. ### Who led Lygos's rounds? IA Ventures led the Series A in 2016. ## Companies like Lygos In the same sector, and raised in the last eighteen months. [**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba) ## 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