Fundraising FoxConstellation Technology Ventures — 2026 Investments
4 investments dated 2026 · listed companies and verified rows first · show all
AtmosZero builds modular electrified heat pump boilers that draw heat from ambient air to produce emissions-free industrial steam as a drop-in replacement for fuel-burning boilers.
CleantechClimate TechEnergy
Addison Stark(Chief Executive Officer, Founder)inTodd Bandhauer(Chief Technology Officer, Founder)in
Co-investorsAENUEnergy Impact PartnersThe Engine VenturesMitsubishi Heavy IndustriesMotier VenturesStarlight Ventures+1 more
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Mantel is an online retailer of cycling products including bikes, helmets, wheels, and related gear and accessories.
E-commerceRetail Tech
Co-investorsCourtside VenturesAzimut InvestmentsEni NextShell Ventures
Mantel Capture, Inc. appears to operate in process engineering and commissioning, with roles referencing boilers, licensing, and research; the page itself provides no explicit statement of the company's product or market.
CleantechClimate TechNew MaterialsCambridge, US
Cameron Halliday(Founder)inDanielle Rapson(Founder)inDanielle Colson(Cofounder)inSean Robertson(Founder)inHoosiweng Ow(Director)
BoardHooisweng Ow(Director)
Co-investorsAlumni VenturesAOKI LABSEni NextNew Climate VenturesThe Engine VenturesThird Derivative+9 more
Mantel Digital AG offers an inkjet printing system that enables high-precision, multicolor digital printing directly onto anodized aluminum surfaces.
Advanced ManufacturingHardwareNew Materials
Co-investorsExelixis CapitalAzimut Investments
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.