Firms

signal.nfx.com

Founded

—

Type

Venture capital

Team

No team members on record yet.

Co-investing

Khosla Ventures

• Mariana Minerals$310M · 2026-08-03
• Planted Solar$12M · 2025-07-29
• Mariana Minerals$85M · 2025-07-21
• RedoxBlox$40M · 2024-10-30
• Mariana Minerals$10M · 2024-09-27

Y Combinator

• Fleetzero$43M · 2026-01-16
• Fleetzero$43M · 2026-01-16
• Heart Aerospace$107M · 2024-02-01
• Heart Aerospace$107M · 2024-02-01
• Nobell Foods$75M · 2021

Lowercarbon Capital

• Heart Aerospace$107M · 2024-02-01
• Heart Aerospace$107M · 2024-02-01
• Antora Energy$50M · 2022-02-16
• Heart$107M · Unknown date
• Electric Air$107M · Unknown date

Andreessen Horowitz

• Mariana Minerals$310M · 2026-08-03
• Mariana Minerals$85M · 2025-07-21
• Nobell Foods$75M · 2021-07-26
• Nobell Foods$75M · 2021

EQT Ventures

• Heart Aerospace$107M · 2024-02-01
• Heart Aerospace$107M · 2024-02-01
• Heart$107M · Unknown date
• Electric Air$107M · Unknown date

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Investments

$310M2026-08-03	Mariana Minerals	Khosla Ventures, Vinod Khosla, Earthshot Ventures, Pax Ventures, Andreessen Horowitz, Breakthrough Energy Ventures, Greenoaks, StepStone Group, BHP Ventures, Washington Harbour Partners, Greycroft, General Innovation Capital Partners, In-Q-Tel
$43M2026-01-16	Fleetzero	Y Combinator, Obvious Ventures, 8090 Industries, Shorewind Capital, Breakthrough Energy Ventures, Maersk Growth
$43M2026-01-16	Fleetzero	Y Combinator, Obvious Ventures, 8090 Industries, Shorewind Capital, Breakthrough Energy Ventures, Sorenson Capital
$12M2025-07-29	Planted Solar	Khosla Ventures, Breakthrough Energy Ventures, Piva Capital
$85M2025-07-21	Mariana Minerals	Andreessen Horowitz, Khosla Ventures, Vinod Khosla, Breakthrough Energy Ventures
$40M2024-10-30	RedoxBlox	Khosla Ventures, Prelude Ventures, Breakthrough Energy Ventures, Impatient Ventures, New System Ventures
$10M2024-09-27	Mariana Minerals	Breakthrough Energy Ventures, Khosla Ventures, Vinod Khosla
$—2024-02-09	Koloma	Khosla Ventures, Prelude Ventures, Breakthrough Energy Ventures, Energy Impact Partners, Amazon Climate Pledge Fund, Piva Capital
$107M2024-02-01	Heart Aerospace	Y Combinator, Norrsken VC, EQT Ventures, Lowercarbon Capital, Breakthrough Energy Ventures, United Airlines
$107M2024-02-01	Heart Aerospace	Y Combinator, Norrsken VC, EQT Ventures, Lowercarbon Capital, Breakthrough Energy Ventures, European Innovation Council (EIC)

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