Helena: Funding, Team & Investors | Startup Intros

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Helena: Funding, Team & Investors | Startup Intros

Investment Activity

Helena has 6 tracked investments across 5 companies. The latest tracked deal is $230.0M Series B in Positron in February 2026.

Investments

6

5 companies

Investments Made

Date	Company	Round	Lead Investor(s)	Co-Investor(s)
Feb 4, 2026	Positron	$230.0M Series B	ARENA Private Wealth, Jump Trading, Unless	1517 Fund, ARM, Atreides Management, DFJ Growth, Flume Ventures, Qatar Investment Authority, Resilience Reserve, Valor Equity Partners
Oct 1, 2025	Phaidra	$50.0M Series B	Collaborative Fund	Index Ventures, NVIDIA, Sony, Sophie Bakalar, Greylock, Mark Cuban
Oct 1, 2022	Cruz Foam	$18.0M Series A	Helena	8090 Industries, AT ONE Ventures, Goat Capital, Mayfield, Path Ventures, Regeneration.VC, SOSV, VU Venture Partners, ONE Small Planet, SOUNDWaves
Oct 6, 2021	Twin Health	$140.0M Series C	—	Divesh Makan, Corner Ventures, LTS Investments, Peak XV Partners (Sequoia Capital India), Perceptive Advisors, Sofina
Aug 1, 2021	Energy Vault	$100.0M Series C	Prime Movers LAB	Gordon Crawford, A.T. Gekko, Crexa Capital Advisors, Green Storage Solutions Venture I, Idealab X, Pickering Energy Partners, SailingStone Global Energy Transition, Saudi Aramco Energy Ventures, Softbank
Jul 20, 2021	Energy Vault	$20.0M Other Equity	Helena	—