# Calysta funding: rounds and investors > Calysta has raised $109M across 3 rounds since 2017. Investors include National Science Foundation, Temasek Holdings and Celesta Capital. Source: https://millionrounds.com/company/calysta (Millionrounds; every figure on the page links to its filing or article) United States · [Series D startup](https://millionrounds.com/companies) # Who invested in *Calysta* 3 rounds we have observed, with the 10 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. Agtech Energy Funding summary Updated 26 Oct 2026 **$109M** raised across 3 rounds since 2017, from 3 sources **$40M** Series D **$30M** Round **$39M** Series D - **Latest round:** Series D, $39M Mar 2021 - **Biggest round:** $40M Series D · May 2017 - **Step-up i:** 1.3× - **Investors:** 10 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 2019 2020 2021 **$40M** Series D **$30M** Round **$39M** Series D - **First round:** Series D, $40M - **Biggest round:** $40M - **Usual gap between rounds:** 2.2 years ## The rounds - **Mar 2021** Series D **$39M** *4 new* [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Temasek Holdings](https://millionrounds.com/fund/temasek) [Celesta Capital](https://millionrounds.com/fund/celesta-capital) [UK government](https://millionrounds.com/fund/uk-government) Source recorded - **Jun 2019** Round **$30M** *1 new* [BP](https://millionrounds.com/fund/bp-ventures) Reported by Businesswire SEC filing: $45M sold, first sale Jun 2019 - **May 2017** Series D **$40M** *5 new* [Aqua Spark](https://millionrounds.com/fund/aqua-spark) [Walden Riverwood](https://millionrounds.com/fund/walden-riverwood) [Cargill](https://millionrounds.com/fund/cargill) Mitsui & Co./ Temasek Pangaea Reported by FinSMEs ## Founders and team From the SEC filings it signed: 1 on the team. - **Alan Shaw** Executive Officer, Director i On the board, as filed i *Craig Barratt* *David Hayes* *Mike Swee Velings* *Rich Swee Torres* *Suan Swee Tan* ## 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 D** 2017 **Round** 2019 **Series D** 2021 [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Temasek Holdings](https://millionrounds.com/fund/temasek) [Celesta Capital](https://millionrounds.com/fund/celesta-capital) [UK government](https://millionrounds.com/fund/uk-government) [BP](https://millionrounds.com/fund/bp-ventures) [Aqua Spark](https://millionrounds.com/fund/aqua-spark) [Walden Riverwood](https://millionrounds.com/fund/walden-riverwood) [Cargill](https://millionrounds.com/fund/cargill) Mitsui & Co./ Temasek Pangaea ## Everyone who backed them [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **1** round [Temasek Holdings](https://millionrounds.com/fund/temasek) VC firm **1** round [Celesta Capital](https://millionrounds.com/fund/celesta-capital) VC firm **1** round [UK government](https://millionrounds.com/fund/uk-government) Government **1** round [BP](https://millionrounds.com/fund/bp-ventures) Angel network **1** round [Aqua Spark](https://millionrounds.com/fund/aqua-spark) VC firm **1** round [Walden Riverwood](https://millionrounds.com/fund/walden-riverwood) Growth equity **1** round [Cargill](https://millionrounds.com/fund/cargill) VC firm **1** round Mitsui & Co./ Temasek no record of our own yet **1** round Pangaea 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=calysta). ## Also claim to have backed them These 2 firms list Calysta 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. [Western Technology Investment](https://millionrounds.com/fund/wti) VC firm Per its own site [Baruch Future Ventures](https://millionrounds.com/fund/baruch-future-ventures) VC firm Per its own site ## Quick answers about Calysta ### Who invested in Calysta? Calysta's investors include National Science Foundation, Temasek Holdings, Celesta Capital, UK government and BP, and 5 more on record. ### How much has Calysta raised? Calysta has raised $109M across 3 rounds since 2017. ### When did Calysta last raise? Calysta's most recent round was a Series D of $39M in Mar 2021. ### What was Calysta's biggest round? Calysta's largest round on record is $40M (Series D), in May 2017. ### Who backed Calysta first? Calysta's first round on record, in May 2017, was backed by Aqua Spark, Walden Riverwood and Cargill and 2 others. ### What stage is Calysta at? Calysta's latest named round is a Series D, in Mar 2021. ### Where is Calysta based? Calysta is based in the United States. ## Companies like Calysta In the same sector, and raised in the last eighteen months. [**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor) ## 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