Funding round
Epirus Series D
Epirus, which works in advanced electronics solutions development in Torrance, raised $250M in a Series D round announced on 4 Mar 2025, led by 8VC and Washington Harbour. 12 firms took part, 6 of them already investors. It is Epirus' fourth venture round on record; the one before was a Series C in Feb 2022.
$250M
Amount raised
Not disclosed
Post-money valuation
12
Investors
2 leads
Valuation
What this round says about the price
Epirus did not disclose a valuation in this round; its last disclosed one was $1.35B at the Series C (Feb 2022). It came 37 months after Epirus' Series C. It is 47% of the $537M Epirus has raised in the venture rounds on record. No later venture round is on record for Epirus.
Epirus' funding rounds
Epirus has 4 venture rounds on record and 1 other deal. This one is highlighted.
- Series A 1 Jan 2019, led by 8VC $17M
- Series B 17 Dec 2020, led by Bedrock and L3Harris Technologies $70M
- Grant not a venture round 1 Dec 2021 $243K
- Series C 15 Feb 2022, led by T. Rowe Price Associates, Inc. and 8VC $200M$1.35B post-money
- Series D this round 4 Mar 2025, led by 8VC and Washington Harbour $250M
Investors
Who put money in
8VC and Washington Harbour led the round with 10 other firms. 8VC, Washington Harbour, StepStone Group and T. Rowe Price Investment Management, Inc. and 2 more had backed Epirus before.
Lead investors
- 8VC existing investor
- backs 30 venture-backed companies existing investor
Also in the round
- StepStone Group existing investor
- T. Rowe Price Investment Management, Inc. existing investor
- Gaingels backs 364 venture-backed companies existing investor
- General Dynamics Land Systems existing investor
- backs 5 venture-backed companies new investor
- backs 21 venture-backed companies new investor
- backs 4 venture-backed companies new investor
- Centaurus Capital LP new investor
- backs 3 venture-backed companies new investor
- backs 26 venture-backed companies new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to hiring, product development, geographic expansion, sales and marketing, scaling operations and working capital.
- Hiring
- Product development
- Geographic expansion
- Sales and marketing
- Scaling operations
- Working capital
Comparable rounds
How it compares
10 Series D rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $200M, and this round was 1.3 times the median. The closest in time, other companies' Series D rounds in Aerospace and Defence:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Aerospace and Defence | 3 Apr 2025 | $21M | not disclosed | Florintee Advisors and Tenacity Ventures |
| Aerospace and Defence | 31 Jan 2025 | $29M | not disclosed | UK Government |
| Helsing Aerospace and Defence | 17 Jun 2025 | $690M | $16.30B | Prima Materia |
| Stoke Space Aerospace and Defence | 23 Sep 2025 | $510M | not disclosed | not named |
| Apex Aerospace and Defence | 12 Sep 2025 | $200M | $1.00B | Interlagos |
| CHAOS Industries Aerospace and Defence | 13 Nov 2025 | $510M | $4.50B | Valor |
| Astranis Aerospace and Defence | 24 Jul 2024 | $200M | not disclosed | Andreessen Horowitz and BAM Elevate |
| Aerospace and Defence | 22 Jan 2026 | $53M | not disclosed | Azimut Group |
Sources
Where this comes from
Reported by 4 sources.
Questions
Frequently asked
How much did Epirus raise in its Series D round?
Epirus raised $250M in its Series D round, announced in Mar 2025.
Who led Epirus' Series D round?
8VC and Washington Harbour led it, with StepStone Group, T. Rowe Price Investment Management, Inc., Gaingels, General Dynamics Land Systems and Oppenheimer and 5 more.
What was Epirus' valuation at the Series D round?
It was not disclosed; its last disclosed one was $1.35B at the Series C (Feb 2022).
How does it compare with other Series D rounds in Aerospace and Defence?
10 Series D rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $200M, and this round was 1.3 times the median.