# Pacific Fusion funding: rounds and investors > Pacific Fusion has raised $900M across 1 round since 2024. Investors include General Catalyst, Alumni Ventures and Lightspeed Venture Partners. Source: https://millionrounds.com/company/pacific-fusion (Millionrounds; every figure on the page links to its filing or article) United States · [Series A startup](https://millionrounds.com/companies) # Who invested in *Pacific Fusion* One round we have observed, with the 13 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Cleantech Climate Tech Energy Funding summary Updated 26 Oct 2026 **$900M** raised across 1 round since 2024, from 2 sources - **Latest round:** Series A, $900M Nov 2024 - **Led by:** General Catalyst - **Investors:** 13 (1 led) See who backed them ## The rounds - **Nov 2024** Series A **$900M** [General Catalyst](https://millionrounds.com/fund/general-catalyst) Lead [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) [Reid Hoffman](https://millionrounds.com/fund/reid-hoffman) [Lachy Groom](https://millionrounds.com/fund/lachy-groom) [Patrick Collison](https://millionrounds.com/fund/patrick-collison) [Trousdale Ventures](https://millionrounds.com/fund/trousdale-ventures) [Mustafa Suleyman](https://millionrounds.com/fund/mustafa-suleyman) [Hemant Taneja](https://millionrounds.com/fund/hemant-taneja) [Ken Griffin](https://millionrounds.com/fund/ken-griffin) [Richard Merkin](https://millionrounds.com/fund/richard-merkin) Reported by Trousdale Ventures and 1 other ## Founders and team From Pacific Fusion's own website: 1 founder, 1 on the team. **Patrick Collison** Co-founder and CEO of Stripe - **Hemant Taneja** CEO and Managing Director of General Catalyst ## Everyone who backed them [General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **1** round, led 1 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) VC firm **1** round [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) VC firm **1** round [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) VC firm **1** round [Reid Hoffman](https://millionrounds.com/fund/reid-hoffman) VC firm **1** round [Lachy Groom](https://millionrounds.com/fund/lachy-groom) Angel **1** round [Patrick Collison](https://millionrounds.com/fund/patrick-collison) Angel **1** round [Trousdale Ventures](https://millionrounds.com/fund/trousdale-ventures) Family office **1** round [Mustafa Suleyman](https://millionrounds.com/fund/mustafa-suleyman) Angel **1** round [Hemant Taneja](https://millionrounds.com/fund/hemant-taneja) Angel **1** round [Ken Griffin](https://millionrounds.com/fund/ken-griffin) Angel **1** round [Richard Merkin](https://millionrounds.com/fund/richard-merkin) Angel **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=pacific-fusion). ## Also claim to have backed them These 4 firms list Pacific Fusion as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Up Partners](https://millionrounds.com/fund/up-partners) VC firm Per its own site [Red Bear Ventures](https://millionrounds.com/fund/red-bear-ventures) VC firm Per its own site [Berkeley Frontier Fund](https://millionrounds.com/fund/berkeley-frontier-fund) VC firm Per its own site [Unmatched Ventures](https://millionrounds.com/fund/unmatched-ventures) VC firm Per its own site ## Quick answers about Pacific Fusion ### Who invested in Pacific Fusion? Pacific Fusion's investors include General Catalyst, Alumni Ventures, Lightspeed Venture Partners, Breakthrough Energy and Lowercarbon Capital, and 8 more on record. General Catalyst led its latest round. ### How much has Pacific Fusion raised? Pacific Fusion has raised $900M across 1 round since 2024. ### When did Pacific Fusion last raise? Pacific Fusion's most recent round was a Series A of $900M in Nov 2024, led by General Catalyst. ### What was Pacific Fusion's biggest round? Its most recent round, $900M in Nov 2024, is also its largest on record. ### Who backed Pacific Fusion first? Pacific Fusion's first round on record, in Nov 2024, was backed by General Catalyst, Alumni Ventures and Lightspeed Venture Partners and 10 others. ### What stage is Pacific Fusion at? Pacific Fusion's latest named round is a Series A, in Nov 2024. ### Where is Pacific Fusion based? Pacific Fusion is based in the United States. ### Who led Pacific Fusion's rounds? General Catalyst led the Series A in 2024. ## Companies like Pacific Fusion In the same sector, and raised in the last eighteen months. [**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app