Hertha Metals raises $133.7M series a

◆ Amount

$133.7M

◆ Announced

29 Sept 2026

◆ Company

◆ Source

◆ The Round

Hertha Metals raised $133.7M in series a funding, announced on 29 September 2026, led by Khosla Ventures, Doerr Capital, with participation from CEV, Pear Ventures, Gates Frontier, Niterra SUISO no MORI Fund, Toyota Ventures, Siemens Financial Services, U.S. government (Industrial Base Analysis and Sustainment program). The round is tracked live by Fusion42 as part of the Raise fund database and the Scout startup database.

◆ About Hertha Metals

Texas-based startup developing FLEXHERS technology for high-purity iron production using flexible fuel hydrogen electric reduction smelting. Hertha Metals is based in United States and currently at series a stage, operating in Advanced Materials, Industrial Automation.

◆ Investors

◆ Investing funds on Raise

• Khosla Ventures
• Toyota Ventures

◆ Market context

Khosla Ventures and Toyota Ventures are profiled on Raise, Fusion42's database of venture funds — where each investor's thesis, cheque size and other tracked backings can be followed. This funding event is a citable node in Fusion42's market graph: it links Hertha Metals's Scout profile to the funds behind the round and to related Wire analysis, and is refreshed from public announcements as the round is confirmed or extended. It is the same live market data Arthur reasons over when benchmarking a founder's own raise against what is closing in the market right now.

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