Funding round
K2 Space Series D
K2 Space, which works in satellite platform design and manufacturing in Torrance, raised $500M in a Series D round announced on 30 Jul 2026, led by Kleiner Perkins and ICONIQ, at a $6.80B post-money valuation. 9 firms took part, 9 of them already investors. It is K2 Space's fifth venture round on record; the one before was a Series C in Dec 2025.
$500M
Amount raised
$6.80B
Post-money valuation
9
Investors
2 leads
2.3x
Step-up from the Series C
$3.00B in Dec 2025
7.4%
Stake sold
new money over the post-money
Valuation
What this round says about the price
This round priced K2 Space at $6.80B after the new money, 2.3 times the $3.00B of its Series C (Dec 2025). The $500M bought investors about 7.4% of the company. It came 7 months after K2 Space's Series C. It is 54% of the $920M K2 Space has raised in the venture rounds on record. No later venture round is on record for K2 Space.
K2 Space's funding rounds
K2 Space has 5 venture rounds on record and 1 other deal. This one is highlighted.
- Seed 10 Mar 2023, led by First Round and Republic Capital $8.5M$45M post-money
- Series A 13 Feb 2024 $51M$250M post-money
- Series B 13 Feb 2025, led by Lightspeed Venture Partners and Altimeter $110M
- Other not a venture round 15 Sep 2025 $15M
- Series C 11 Dec 2025, led by Redpoint Ventures $250M$3.00B post-money
- Series D this round 30 Jul 2026, led by Kleiner Perkins and ICONIQ $500M$6.80B post-money
Investors
Who put money in
Kleiner Perkins and ICONIQ led the round with 7 other firms. Kleiner Perkins, ICONIQ, CapitalG and Lightspeed Venture Partners and 5 more had backed K2 Space before.
Lead investors
- Kleiner Perkins backs 285 venture-backed companies existing investor
- ICONIQ existing investor
Also in the round
- CapitalG backs 70 venture-backed companies existing investor
- Lightspeed Venture Partners backs 454 venture-backed companies existing investor
- Altimeter backs 67 venture-backed companies existing investor
- Spark Capital backs 234 venture-backed companies existing investor
- Sands Capital backs 71 venture-backed companies existing investor
- ARK Invest backs 29 venture-backed companies existing investor
- T. Rowe Price Associates, Inc. existing investor
Use of proceeds
What the money is for
According to the announcement, the money goes to scaling operations and product development.
- Scaling operations
- Product development
Comparable rounds
How it compares
13 Series D rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $500M, and this round was close to the median. The closest in time, other companies' Series D rounds in Aerospace and Defence:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Quantum Systems Aerospace and Defence | 2 Jul 2026 | $1.20B | $8.00B | Blackstone and Noteus |
| Hadrian Aerospace and Defence | 6 Aug 2026 | $1.37B | $7.87B | WCM Investment Management and Washington Harbour |
| Impulse Space Aerospace and Defence | 2 Jun 2026 | $500M | $4.26B | 137 Ventures and Banner VC |
| Isar Aerospace Aerospace and Defence | 9 Jun 2026 | $310M | $2.30B | not named |
| Aerospace and Defence | 19 Jun 2026 | $195M | not disclosed | not named |
| Varda Space Industries Aerospace and Defence | 30 Sep 2026 | $251M | $1.60B | Lux Capital and Natural Capital |
| True Anomaly Aerospace and Defence | 28 Apr 2026 | $650M | $2.20B | Eclipse and Riot Ventures |
| Aerospace and Defence | 22 Oct 2026 | $250M | $2.45B | not named |
Sources
Where this comes from
Reported by 3 sources.
Questions
Frequently asked
How much did K2 Space raise in its Series D round?
K2 Space raised $500M in its Series D round, announced in Jul 2026.
Who led K2 Space's Series D round?
Kleiner Perkins and ICONIQ led it, with CapitalG, Lightspeed Venture Partners, Altimeter, Spark Capital and Sands Capital and 2 more.
What was K2 Space's valuation at the Series D round?
$6.80B post-money.
How does it compare with other Series D rounds in Aerospace and Defence?
13 Series D rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $500M, and this round was close to the median.