Funding round

Impulse Space Series B
Impulse Space, which works in in-space mobility technology development in Redondo Beach, raised $150M in a Series B round announced on 1 Oct 2024, led by Founders Fund. 16 firms took part, 2 of them already investors. It is Impulse Space's third venture round on record; the one before was a Series A in Jul 2023.
$150M
Amount raised
Not disclosed
Post-money valuation
16
Investors
1 lead
Valuation
What this round says about the price
Impulse Space did not disclose a valuation in this round. It came 15 months after Impulse Space's Series A. It is 15% of the $1.01B Impulse Space has raised in the venture rounds on record. Impulse Space raised again 8 months later: a Series C round of $300M in Jun 2025. Its next priced round, a Series D in Jun 2026, valued it at $4.26B.
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 this round 1 Oct 2024, led by Founders Fund $150M
- Series C 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
Founders Fund led the round with 15 other firms. Lux Capital and SpringTide had backed Impulse Space before.
Lead investor
- Founders Fund backs 368 venture-backed companies new investor
Also in the round
- Lux Capital backs 194 venture-backed companies existing investor
- backs 20 venture-backed companies existing investor
- DCVC backs 171 venture-backed companies new investor
- backs 46 venture-backed companies new investor
- Alumni Ventures new investor
- backs 9 venture-backed companies new investor
- RTX Ventures new investor
- backs 12 venture-backed companies new investor
- 137 Ventures backs 25 venture-backed companies new investor
- backs 7 venture-backed companies new investor
- new investor
- Island Green new investor
- backs 15 venture-backed companies new investor
- backs 29 venture-backed companies new investor
- Silent Ventures 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
34 Series B rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $68M, and this round was 2.2 times the median. The closest in time, other companies' Series B rounds in Aerospace and Defence:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Aerospace and Defence | 1 Oct 2024 | $61M | not disclosed | Maezawa Fund Inc. |
| The Exploration Company Aerospace and Defence | 18 Nov 2024 | $160M | not disclosed | Balderton Capital and Plural |
| CHAOS Industries Aerospace and Defence | 13 Nov 2024 | $145M | not disclosed | Accel |
| Quantum Systems Aerospace and Defence | 30 Sep 2024 | $112M | not disclosed | Notion Capital and Porsche SE |
| Forterra Aerospace and Defence | 10 Sep 2024 | $75M | not disclosed | Moore Strategic Ventures and XYZ |
| Aerospace and Defence | 1 Nov 2024 | $13M | not disclosed | Adara Ventures and Molten Ventures |
| Aerospace and Defence | 21 Nov 2024 | $4.0M | not disclosed | Impact Capital Limited |
| Aerospace and Defence | 9 Dec 2024 | $24M | not disclosed | not named |
Sources
Where this comes from
Reported by 5 sources.
Questions
Frequently asked
How much did Impulse Space raise in its Series B round?
Impulse Space raised $150M in its Series B round, announced in Oct 2024.
Who led Impulse Space's Series B round?
Founders Fund led it, with Lux Capital, SpringTide, DCVC, Airbus Ventures and Alumni Ventures and 10 more.
What was Impulse Space's valuation at the Series B round?
It was not disclosed.
How does it compare with other Series B rounds in Aerospace and Defence?
34 Series B rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $68M, and this round was 2.2 times the median.
Did Impulse Space raise again after this round?
Yes: a Series C round in Jun 2025 of $300M.