Funding round
Fireworks AI Series D
Fireworks AI, which works in generative AI model development in San Mateo, raised $1.50B in a Series D round announced on 15 Jul 2026, led by Atreides Management, Index Ventures and Technology Crossover Ventures, at a $17.50B post-money valuation. 17 firms took part. It is Fireworks AI's fourth venture round on record; the one before was a Series C in Oct 2025.
$1.50B
Amount raised
$17.50B
Post-money valuation
$15.99B pre-money
17
Investors
3 leads
4.4x
Step-up from the Series C
$4.00B in Oct 2025
8.6%
Stake sold
new money over the post-money
Valuation
What this round says about the price
This round priced Fireworks AI at $17.50B after the new money, 4.4 times the $4.00B of its Series C (Oct 2025). The $1.50B bought investors about 8.6% of the company. It came 9 months after Fireworks AI's Series C. It is 82% of the $1.83B Fireworks AI has raised in the venture rounds on record. No later venture round is on record for Fireworks AI.
Fireworks AI's funding rounds
Fireworks AI has 4 venture rounds on record. This one is highlighted.
- Series A 27 Mar 2024, led by Benchmark $25M
- Series B 11 Jul 2024, led by Sequoia Capital $52M$552M post-money
- Series C 28 Oct 2025, led by Lightspeed Venture Partners, Index Ventures and Evantic $250M$4.00B post-money
- Series D this round 15 Jul 2026, led by Atreides Management, Index Ventures and Technology Crossover Ventures $1.50B$17.50B post-money
Investors
Who put money in
Atreides Management, Index Ventures and Technology Crossover Ventures led the round with 14 other firms.
Lead investors
- Atreides Management backs 53 venture-backed companies new investor
- Index Ventures backs 353 venture-backed companies new investor
- Technology Crossover Ventures backs 86 venture-backed companies new investor
Also in the round
- Evantic Capital new investor
- Lightspeed Venture Partners backs 454 venture-backed companies new investor
- Nvidia new investor
- 20VC new investor
- Bessemer Venture Partners backs 412 venture-backed companies new investor
- Menlo Ventures backs 215 venture-backed companies new investor
- Insight Partners backs 548 venture-backed companies new investor
- Ontario Teachers’ Pension Plan backs 35 venture-backed companies new investor
- Lone Pine Capital new investor
- backs 34 venture-backed companies new investor
- backs 9 venture-backed companies new investor
- backs 18 venture-backed companies new investor
- backs 7 venture-backed companies new investor
- TIME Ventures new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to hiring, product development, geographic expansion, scaling operations and working capital.
- Hiring
- Product development
- Geographic expansion
- Scaling operations
- Working capital
Comparable rounds
How it compares
66 Series D rounds in Tech Companies within a year either side disclosed an amount; the median was $109M, and this round was 14 times the median. The closest in time, other companies' Series D rounds in Tech Companies:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Tech Companies | 22 Jul 2026 | $120M | not disclosed | Sixth Street Growth |
| Tech Companies | 15 Jul 2026 | $100M | not disclosed | Growth Equity at Goldman Sachs Alternatives |
| Tech Companies | 23 Jul 2026 | $87M | not disclosed | Decarbonization Partners |
| Tech Companies | 9 Jul 2026 | $34M | not disclosed | not named |
| Tech Companies | 28 Jul 2026 | $30M | not disclosed | Rally Ventures |
| Tech Companies | 27 Jul 2026 | $7.7M | not disclosed | not named |
| DriveNets Tech Companies | 1 Jun 2026 | $410M | $8.50B | Bessemer Venture Partners and Atreides Management |
| Owner Tech Companies | 28 Aug 2026 | $240M | $2.30B | Goldman Sachs Alternatives |
Sources
Where this comes from
Reported by 6 sources.
Questions
Frequently asked
How much did Fireworks AI raise in its Series D round?
Fireworks AI raised $1.50B in its Series D round, announced in Jul 2026.
Who led Fireworks AI's Series D round?
Atreides Management, Index Ventures and Technology Crossover Ventures led it, with Evantic Capital, Lightspeed Venture Partners, Nvidia, 20VC and Bessemer Venture Partners and 9 more.
What was Fireworks AI's valuation at the Series D round?
$17.50B post-money ($15.99B pre-money).
How does it compare with other Series D rounds in Tech Companies?
66 Series D rounds in Tech Companies within a year either side disclosed an amount; the median was $109M, and this round was 14 times the median.