Funding round

Impulse Space Series C
Impulse Space, which works in in-space mobility technology development in Redondo Beach, raised $300M in a Series C round announced on 3 Jun 2025, led by Linse Capital. 13 firms took part. It is Impulse Space's fourth venture round on record; the one before was a Series B in Oct 2024.
$300M
Amount raised
Not disclosed
Post-money valuation
13
Investors
1 lead
Valuation
What this round says about the price
Impulse Space did not disclose a valuation in this round. It came 8 months after Impulse Space's Series B. It is 30% of the $1.01B Impulse Space has raised in the venture rounds on record. Impulse Space raised again 12 months later: a Series D round of $500M in Jun 2026, at $4.26B post-money.
Impulse Space's funding rounds
Impulse Space has 5 venture rounds on record and 1 other deal. This one is highlighted.
- Seed 29 Mar 2022, led by Founders Fund $20M
- Other not a venture round 17 Jun 2022, led by Lux Capital $10M
- Series A 24 Jul 2023, led by RTX $45M
- Series B 1 Oct 2024, led by Founders Fund $150M
- Series C this round 3 Jun 2025, led by Linse Capital $300M
- Series D 2 Jun 2026, led by 137 Ventures and Banner VC $500M$4.26B post-money
Investors
Who put money in
Linse Capital led the round with 12 other firms.
Lead investor
- backs 13 venture-backed companies new investor
Also in the round
- DFJ Growth backs 51 venture-backed companies new investor
- Valor backs 143 venture-backed companies new investor
- Founders Fund backs 368 venture-backed companies new investor
- Lux Capital backs 194 venture-backed companies new investor
- RTX Ventures new investor
- DCVC backs 171 venture-backed companies new investor
- backs 46 venture-backed companies new investor
- backs 20 venture-backed companies new investor
- new investor
- backs 9 venture-backed companies new investor
- backs 12 venture-backed companies new investor
- backs 29 venture-backed companies new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to hiring, product development, scaling operations and working capital.
- Hiring
- Product development
- Scaling operations
- Working capital
Comparable rounds
How it compares
19 Series C rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $238M, and this round was 1.3 times the median. The closest in time, other companies' Series C rounds in Aerospace and Defence:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| CHAOS Industries Aerospace and Defence | 2 May 2025 | $275M | $2.00B | New Enterprise Associates and Accel |
| Hadrian Aerospace and Defence | 17 Jul 2025 | $260M | not disclosed | Founders Fund and Lux Capital |
| Varda Space Industries Aerospace and Defence | 10 Jul 2025 | $187M | $500M | Natural Capital and Shrug Capital |
| True Anomaly Aerospace and Defence | 30 Apr 2025 | $260M | not disclosed | Accel |
| Apex Aerospace and Defence | 29 Apr 2025 | $200M | not disclosed | Point72 Ventures and 8VC |
| Aerospace and Defence | 24 Sep 2025 | $60M | not disclosed | 1789 Capital |
| Saronic Technologies Aerospace and Defence | 18 Feb 2025 | $600M | $4.00B | Elad Gil |
| Aerospace and Defence | 3 Feb 2025 | $65M | $500M | DFJ Growth |
Sources
Where this comes from
Reported by 8 sources.
Questions
Frequently asked
How much did Impulse Space raise in its Series C round?
Impulse Space raised $300M in its Series C round, announced in Jun 2025.
Who led Impulse Space's Series C round?
Linse Capital led it, with DFJ Growth, Valor, Founders Fund, Lux Capital and RTX Ventures and 7 more.
What was Impulse Space's valuation at the Series C round?
It was not disclosed.
How does it compare with other Series C rounds in Aerospace and Defence?
19 Series C rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $238M, and this round was 1.3 times the median.
Did Impulse Space raise again after this round?
Yes: a Series D round in Jun 2026 of $500M at $4.26B post-money.