# ZwitterCo funding: rounds and investors > ZwitterCo has raised $58M across 2 rounds since 2024. Investors include National Science Foundation, DCVC and MassVentures. Every round with its source. Source: https://millionrounds.com/company/zwitterco (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *ZwitterCo* 2 rounds we have observed, with the 5 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. Climate Tech Manufacturing Water Raised this month Funding summary Updated 26 Oct 2026 **$58M** raised across 2 rounds since 2024, from 3 sources - **Latest round:** Round Oct 2026 - **Biggest round:** $58M Series B · Jul 2024 - **Investors:** 5 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. 2025 2026 **$58M** Series B **?** Round - **First round:** Series B, $58M - **Biggest round:** $58M - **Between rounds:** 2.3 years ## The rounds - **Oct 2026** Round **Amount undisclosed** *1 new* [Ecolab](https://millionrounds.com/fund/ecolab) Reported by PR Newswire: financing agreements and 1 other - **Jul 2024** Series B **$58M** *4 new* [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [DCVC](https://millionrounds.com/fund/data-collective) [MassVentures](https://millionrounds.com/fund/massventures) [Munich Re Ventures](https://millionrounds.com/fund/munich-re-ventures) Source recorded ## Founders and team From the SEC filings it signed: 3 on the team. - **Alex Rappaport** Executive Officer, Director i - **Christopher Drover** Executive Officer i - **Greg Earl Fisichelli** Executive Officer i On the board, as filed i *H. Earl Jones* *Jason Pontin* *Steve Remondi* ## 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 B** 2024 **Round** 2026 [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [DCVC](https://millionrounds.com/fund/data-collective) [MassVentures](https://millionrounds.com/fund/massventures) [Munich Re Ventures](https://millionrounds.com/fund/munich-re-ventures) [Ecolab](https://millionrounds.com/fund/ecolab) ## Everyone who backed them [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **1** round [DCVC](https://millionrounds.com/fund/data-collective) VC firm **1** round [MassVentures](https://millionrounds.com/fund/massventures) VC firm **1** round [Munich Re Ventures](https://millionrounds.com/fund/munich-re-ventures) Corporate VC **1** round [Ecolab](https://millionrounds.com/fund/ecolab) Corporate VC **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=zwitterco). ## Also claim to have backed them These 5 firms list ZwitterCo 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. [HG Ventures](https://millionrounds.com/fund/hg-ventures) Corporate VC Per its own site [Genoa Ventures](https://millionrounds.com/fund/genoa-ventures) VC firm Per its own site [Catapult](https://millionrounds.com/fund/catapult-vc) VC firm Per its own site [The Heritage Group Accelerator](https://millionrounds.com/fund/the-heritage-group-accelerator) Accelerator Per its own site [White Shark Management](https://millionrounds.com/fund/white-shark-management) VC firm Per its own site ## Quick answers about ZwitterCo ### Who invested in ZwitterCo? ZwitterCo's investors include National Science Foundation, DCVC, MassVentures, Munich Re Ventures and Ecolab. ### How much has ZwitterCo raised? ZwitterCo has raised $58M across 2 rounds since 2024. One round did not disclose an amount, so the total is a floor. ### When did ZwitterCo last raise? ZwitterCo's most recent round was in Oct 2026. ### What was ZwitterCo's biggest round? ZwitterCo's largest round on record is $58M (Series B), in Jul 2024. ### Who backed ZwitterCo first? ZwitterCo's first round on record, in Jul 2024, was backed by National Science Foundation, DCVC and MassVentures and 1 others. ### What stage is ZwitterCo at? ZwitterCo's latest named round is a Series B, in Jul 2024. ### Where is ZwitterCo based? ZwitterCo is based in the United States. ## Companies like ZwitterCo In the same sector, and raised in the last eighteen months. 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