# Ossium Health funding: rounds and investors > Ossium Health has raised $52M across 2 rounds since 2023. Investors include Alumni Ventures, General Catalyst and Gaingels. Every round with its source. Source: https://millionrounds.com/company/ossium-health (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Ossium Health* 2 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 Raised 7 months ago Funding summary Updated 26 Oct 2026 **$52M** raised across 2 rounds since 2023, from 2 sources **$52M** Series C **$15K** Venture - **Latest round:** Venture, $15K Apr 2026 - **Biggest round:** $52M Series C · Jul 2023 - **Investors:** 7 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. 2024 2025 2026 **$52M** Series C **$15K** Venture - **First round:** Series C, $52M - **Biggest round:** $52M - **Between rounds:** 2.8 years ## The rounds - **Apr 2026** Venture **$15K** *1 new* *4 returning* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Gaingels](https://millionrounds.com/fund/gaingels) [First Round Capital](https://millionrounds.com/fund/first-round-capital) [Vivo Capital](https://millionrounds.com/fund/vivo-capital) Source recorded - **Jul 2023** Series C **$52M** *6 new* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Gaingels](https://millionrounds.com/fund/gaingels) [Z Venture Capital](https://millionrounds.com/fund/z-venture-capital) [Vivo Capital](https://millionrounds.com/fund/vivo-capital) [XYZ Venture Capital](https://millionrounds.com/fund/xyz-venture-capital) Source recorded ## Founders and team From Ossium Health's own website and the SEC filings it signed: 2 founders, 50 on the team. **Kevin Caldwell** CEO, Co-Founder & President *Named on its 2018 Form D* **Erik Woods** Chief Science Officer, Co-Founder, EVP, CLIA Laboratory Director *Named on its 2018 Form D* - **Sagar Munjal** Chief Medical Officer, Senior Vice President - **Brian Johnstone** Vice President, Research - **Chip Walker-Wilson** General Counsel & Senior Vice President - **Ed Jun** Vice President, Finance - **Hans Nowak** Senior Vice President, Manufacturing Operations - **Jay Gardner** Vice President, People & Talent - **Kathleen Vasilopulos** Vice President, Donor Operations - **Andrew Bruhn** Executive Assistant to the Chief Science Officer - **Dawson Ray** Chief of Staff - **Jessica Bridgham** Executive Assistant to the Chief Science Officer - **Susannah Cantrell** Chief Commercial Officer - **Alex Williams** Clinical Trial Manager - **Alyssa Ochoa-Mena** Lead Donation Compliance Specialist - **Behdad Pournader** Director, Technology - **Brennan Bochenek** Manager, Revenue Operations & Customer/Patient Support - **Brett Bowersock** Quality Control Associate I - **Brianna Lowery** Cell Therapy Associate III, Clinical Production - **Cody Martinez** Executive Assistant & Office Manager And 32 more on the team. On the board, as filed i *Sebastian Giwa* *Thomas Cycyota* *William Trenchard* ## 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 C** 2023 **Venture** 2026 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Gaingels](https://millionrounds.com/fund/gaingels) [Vivo Capital](https://millionrounds.com/fund/vivo-capital) [First Round Capital](https://millionrounds.com/fund/first-round-capital) [Z Venture Capital](https://millionrounds.com/fund/z-venture-capital) [XYZ Venture Capital](https://millionrounds.com/fund/xyz-venture-capital) ## Everyone who backed them [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **2** rounds [General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **2** rounds [Gaingels](https://millionrounds.com/fund/gaingels) Private equity **2** rounds [Vivo Capital](https://millionrounds.com/fund/vivo-capital) Private equity **2** rounds [First Round Capital](https://millionrounds.com/fund/first-round-capital) VC firm **1** round [Z Venture Capital](https://millionrounds.com/fund/z-venture-capital) Corporate VC **1** round [XYZ Venture Capital](https://millionrounds.com/fund/xyz-venture-capital) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=ossium-health). ## Also claim to have backed them This firm lists Ossium Health as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [Manta Ray Ventures](https://millionrounds.com/fund/manta-ray-ventures) VC firm Per its own site ## Quick answers about Ossium Health ### Who invested in Ossium Health? Ossium Health's investors include Alumni Ventures, General Catalyst, Gaingels, Vivo Capital and First Round Capital, and 2 more on record. ### How much has Ossium Health raised? Ossium Health has raised $52M across 2 rounds since 2023. ### When did Ossium Health last raise? Ossium Health's most recent round was a Venture of $15K in Apr 2026. ### What was Ossium Health's biggest round? Ossium Health's largest round on record is $52M (Series C), in Jul 2023. ### Who backed Ossium Health first? Ossium Health's first round on record, in Jul 2023, was backed by Alumni Ventures, General Catalyst and Gaingels and 3 others. ### What stage is Ossium Health at? Ossium Health's latest named round is a Venture, in Apr 2026. ### Where is Ossium Health based? Ossium Health is based in the United States. ## Companies like Ossium Health In the same sector, and raised in the last eighteen months. 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