United States · 
Who invested in Fireworks AI?
Fireworks AI's investors include Index Ventures, Sequoia Capital, Lightspeed Venture Partners, NVIDIA and TCV, and 8 more on record.
2026
$230MSeries C$1.5BSeries D?Round
United States · Series D startup
Who invested in Fireworks AI
3 rounds we have observed, with the 13 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Raised 1 month agoValuation: $552M, Oct 2024
Follow Fireworks AI and see its new rounds in your feed. Start following
Funding summaryUpdated 5 Nov 2026
$1.7Braised across 3 rounds since 2025, from 7 sources
$230MSeries C$1.5BSeries D
- Latest round
- RoundOct 2026
- Biggest round
- $1.5BSeries D · Jul 2026
- Investors
- 13 (3 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series C, $230M Oct 2025
- Biggest round
- $1.5B Series D · Jul 2026
- Usual gap between rounds
- 9 months the median of 2
The rounds
- Oct 2026
- Jul 2026Series D$1.5B9 new4 returning
Index VenturesLead
TCVLead
Atreides ManagementLead
Sequoia Capital
Lightspeed Venture Partners
Bessemer Venture Partners
Menlo Ventures- NVIDIA
20VC
Insight Partners
Ontario Teachers' Pension Plan
Lone Pine Capital
Evantic Capital
Reported by Menlo Ventures and 4 others
- Oct 2025
Founders and team
From Fireworks AI's own website: 7 founders.
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Series C2025Series D2026Round2026Index VenturesLSequoia CapitalLightspeed Venture PartnersNVIDIATCVLAtreides ManagementLBessemer Venture PartnersMenlo Ventures20VCInsight Partners
Index VenturesLSequoia CapitalLightspeed Venture PartnersNVIDIATCVLAtreides ManagementLBessemer Venture PartnersMenlo Ventures20VCInsight PartnersEveryone who backed them
NVIDIACompany2rounds
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 5 firms list Fireworks AI 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.
Quick answers about Fireworks AI
How much has Fireworks AI raised?
Fireworks AI has raised $1.7B across 3 rounds since 2025. One round did not disclose an amount, so the total is a floor.
When did Fireworks AI last raise?
Fireworks AI's most recent round was in Oct 2026.
What was Fireworks AI's biggest round?
Fireworks AI's largest round on record is $1.5B (Series D), in Jul 2026, led by Index Ventures.
Who backed Fireworks AI first?
Fireworks AI's first round on record, in Oct 2025, was backed by Sequoia Capital, Lightspeed Venture Partners and Index Ventures and 1 others.
What stage is Fireworks AI at?
Fireworks AI's latest named round is a Series D, in Jul 2026.
Where is Fireworks AI based?
Fireworks AI is based in the United States.
Who led Fireworks AI's rounds?
Index Ventures led the Series D in 2026.
Companies like Fireworks AI
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.