Funding round
Anthropic Series E
Anthropic, which works in AI system development in San Francisco, raised $3.50B in a Series E round announced on 3 Mar 2025, led by Lightspeed Venture Partners, at a $61.50B post-money valuation. 9 firms took part, 9 of them already investors. It is Anthropic's tenth venture round on record; the one before was a Growth in Nov 2024.
$3.50B
Amount raised
$61.50B
Post-money valuation
$58.00B pre-money
9
Investors
1 lead
1.0x
Step-up from the Growth
$60.00B in Oct 2023
5.7%
Stake sold
new money over the post-money
Valuation
What this round says about the price
This round priced Anthropic at $61.50B after the new money, 1.0 times the $60.00B of its Growth (Oct 2023). The $3.50B bought investors about 5.7% of the company. It came 4 months after Anthropic's Growth. It is 2.6% of the $133.85B Anthropic has raised in the venture rounds on record. Anthropic raised again 6 months later: a Series F round of $13.00B in Sep 2025, at $183.00B post-money.
Anthropic's funding rounds
Anthropic has 13 venture rounds on record. This one is highlighted.
- Series A 28 May 2021, led by Ambient Sound Investments $124M$550M post-money
- Series B 30 Apr 2022 $730M
- Growth 8 Mar 2023, led by Spark Capital $300M$4.10B post-money
- Series C 23 May 2023, led by Spark Capital $450M
- Series D 1 Sep 2023, led by Amazon $8.00B
- Growth 1 Oct 2023 $2.00B$60.00B post-money
- Growth 27 Mar 2024 $2.75B
- Growth 22 May 2024 $4.00B
- Growth 22 Nov 2024, led by Amazon $4.00B
- Series E this round 3 Mar 2025, led by Lightspeed Venture Partners $3.50B$61.50B post-money
- Series F 2 Sep 2025, led by ICONIQ and Lightspeed Venture Partners $13.00B$183.00B post-money
- Series G 12 Feb 2026, led by GIC, Coatue and D. E. Shaw Group $30.00B$380.00B post-money
- Series H+ 28 May 2026, led by Altimeter, Dragoneer Investment Group and Greenoaks $65.00B$965.00B post-money
Investors
Who put money in
Lightspeed Venture Partners led the round with 8 other firms. Lightspeed Venture Partners, Bessemer Venture Partners, Cisco Investments and D1 Capital Partners and 5 more had backed Anthropic before.
Lead investor
- Lightspeed Venture Partners backs 454 venture-backed companies existing investor
Also in the round
- Bessemer Venture Partners backs 412 venture-backed companies existing investor
- backs 80 venture-backed companies existing investor
- D1 Capital Partners existing investor
- Fidelity Management & Research Company existing investor
- General Catalyst backs 574 venture-backed companies existing investor
- Jane Street existing investor
- Menlo Ventures backs 215 venture-backed companies existing investor
- Salesforce Ventures backs 314 venture-backed companies existing investor
Use of proceeds
What the money is for
According to the announcement, the money goes to product development, geographic expansion and scaling operations.
- Product development
- Geographic expansion
- Scaling operations
Comparable rounds
How it compares
43 Series E rounds in Tech Companies within a year either side disclosed an amount; the median was $200M, and this round was 18 times the median. The closest in time, other companies' Series E rounds in Tech Companies:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Island Tech Companies | 26 Mar 2025 | $250M | $4.80B | Coatue |
| Tech Companies | 4 Mar 2025 | $126M | not disclosed | B Capital and Banc of California |
| ThreatLocker Tech Companies | 10 Apr 2025 | $60M | $1.20B | not named |
| Perplexity Tech Companies | 14 May 2025 | $500M | $14.00B | Accel |
| Whatnot Tech Companies | 10 Jan 2025 | $265M | $4.97B | Greycroft and DST Global |
| Perk Tech Companies | 28 Jan 2025 | $200M | $2.70B | Atomico and EQT |
| Tech Companies | 14 Jan 2025 | $40M | not disclosed | Health Care Service Corporation |
| Tech Companies | 14 Jan 2025 | $40M | not disclosed | Health Care Service Corporation |
Sources
Where this comes from
Reported by 14 sources.
Questions
Frequently asked
How much did Anthropic raise in its Series E round?
Anthropic raised $3.50B in its Series E round, announced in Mar 2025.
Who led Anthropic's Series E round?
Lightspeed Venture Partners led it, with Bessemer Venture Partners, Cisco Investments, D1 Capital Partners, Fidelity Management & Research Company and General Catalyst and 3 more.
What was Anthropic's valuation at the Series E round?
$61.50B post-money ($58.00B pre-money).
How does it compare with other Series E rounds in Tech Companies?
43 Series E rounds in Tech Companies within a year either side disclosed an amount; the median was $200M, and this round was 18 times the median.
Did Anthropic raise again after this round?
Yes: a Series F round in Sep 2025 of $13.00B at $183.00B post-money.