Fundraising FoxNorthern Gritstone — 2026 Investments
3 investments dated 2026 · listed companies and verified rows first · show all
AmpliSi develops porous silicon battery anode material using a proprietary silane-free, low-temperature magnesiothermic process that converts silica into high-energy silicon anodes to replace graphite in lithium-ion batteries.
CleantechEnergyNew Materials
Ruth Sayers(CEO)in
Co-investorsClean Growth Fund
Optalysys is a photonic computing company using silicon photonics to turn the optical layer into an arithmetic engine for high-performance computing.
Deep TechHardwareSemiconductorsLeeds, GB
Chris Walker(CEO)inNick New(CPO and co-founder)inRobert Todd(CTO, co-founder)
Co-investorsAnglia Capital Groupimec.xpandVerve VenturesExorLingotto
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Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.