# Hertha Metals funding: rounds and investors > Hertha Metals has raised $219M across 3 rounds since 2025. Investors include Khosla Ventures, Pear VC and Breakthrough Energy. Every round with its source. Source: https://millionrounds.com/company/hertha-metals (Millionrounds; every figure on the page links to its filing or article) United States · [Series A startup](https://millionrounds.com/companies) # Who invested in *Hertha Metals* 3 rounds we have observed, with the 12 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. Chemicals & Materials Cleantech Energy Manufacturing Raised 1 month ago Funding summary Updated 26 Oct 2026 **$219M** raised across 3 rounds since 2025, from 3 sources **$17M** Venture **$69M** Debt **$134M** Series A - **Latest round:** Series A, $134M Sept 2026 - **Led by:** Khosla Ventures and Doerr Capital - **Step-up i:** 1.9× - **Investors:** 12 (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. 2026 **$17M** Venture **$69M** Debt **$134M** Series A - **First round:** Venture, $17M - **Biggest round:** $134M - **Between rounds:** 14 months ## The rounds - **Sept 2026** Series A **$134M** *6 new* *3 returning* [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) Lead [Doerr Capital](https://millionrounds.com/fund/doerr-capital) Lead [Pear VC](https://millionrounds.com/fund/pear-vc) [Toyota Ventures](https://millionrounds.com/fund/toyota-ventures) [Gates Frontier](https://millionrounds.com/fund/gates-frontier) [Siemens Financial Services](https://millionrounds.com/fund/siemens-financial-services) [CEV](https://millionrounds.com/fund/cev) [Niterra SUISO no MORI Fund](https://millionrounds.com/fund/niterra-suiso-no-mori-fund) [U.S. Government](https://millionrounds.com/fund/u-s-government) Reported by Ventureburn - **Sept 2026** Debt **$69M** *1 new* *4 returning* [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Pear VC](https://millionrounds.com/fund/pear-vc) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) [Toyota Ventures](https://millionrounds.com/fund/toyota-ventures) [Clean Energy Ventures](https://millionrounds.com/fund/clean-energy-ventures) Source recorded - **Jul 2025** Venture **$17M** *5 new* [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Pear VC](https://millionrounds.com/fund/pear-vc) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) [Third Derivative](https://millionrounds.com/fund/third-derivative) [Clean Energy Ventures](https://millionrounds.com/fund/clean-energy-ventures) Source recorded ## 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. **Venture** 2025 **Debt** 2026 **Series A** 2026 [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) L [Pear VC](https://millionrounds.com/fund/pear-vc) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) [Toyota Ventures](https://millionrounds.com/fund/toyota-ventures) [Clean Energy Ventures](https://millionrounds.com/fund/clean-energy-ventures) [Doerr Capital](https://millionrounds.com/fund/doerr-capital) L [Third Derivative](https://millionrounds.com/fund/third-derivative) [Gates Frontier](https://millionrounds.com/fund/gates-frontier) [Siemens Financial Services](https://millionrounds.com/fund/siemens-financial-services) [CEV](https://millionrounds.com/fund/cev) ## Everyone who backed them [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) VC firm **3** rounds, led 1 [Pear VC](https://millionrounds.com/fund/pear-vc) VC firm **3** rounds [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) VC firm **2** rounds [Toyota Ventures](https://millionrounds.com/fund/toyota-ventures) VC firm **2** rounds [Clean Energy Ventures](https://millionrounds.com/fund/clean-energy-ventures) VC firm **2** rounds [Doerr Capital](https://millionrounds.com/fund/doerr-capital) VC firm **1** round, led 1 [Third Derivative](https://millionrounds.com/fund/third-derivative) Accelerator **1** round [Gates Frontier](https://millionrounds.com/fund/gates-frontier) Growth equity **1** round [Siemens Financial Services](https://millionrounds.com/fund/siemens-financial-services) VC firm **1** round [CEV](https://millionrounds.com/fund/cev) VC firm **1** round [Niterra SUISO no MORI Fund](https://millionrounds.com/fund/niterra-suiso-no-mori-fund) VC firm **1** round [U.S. Government](https://millionrounds.com/fund/u-s-government) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=hertha-metals). ## Also claim to have backed them This firm lists Hertha Metals 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. [Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) VC firm Per its own site ## Quick answers about Hertha Metals ### Who invested in Hertha Metals? Hertha Metals's investors include Khosla Ventures, Pear VC, Breakthrough Energy, Toyota Ventures and Clean Energy Ventures, and 7 more on record. Khosla Ventures led its latest round. ### How much has Hertha Metals raised? Hertha Metals has raised $219M across 3 rounds since 2025. ### When did Hertha Metals last raise? Hertha Metals's most recent round was a Series A of $134M in Sept 2026, led by Khosla Ventures. ### What was Hertha Metals's biggest round? Its most recent round, $134M in Sept 2026, is also its largest on record. ### Who backed Hertha Metals first? Hertha Metals's first round on record, in Jul 2025, was backed by Khosla Ventures, Pear VC and Breakthrough Energy and 2 others. ### What stage is Hertha Metals at? Hertha Metals's latest named round is a Series A, in Sept 2026. ### Where is Hertha Metals based? Hertha Metals is based in the United States. ### Who led Hertha Metals's rounds? Khosla Ventures led the Series A in 2026. ## Companies like Hertha Metals In the same sector, and raised in the last eighteen months. 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