K2 Space is building very large satellite buses designed to take advantage of low-cost rideshare launch capacity on Falcon 9 and Starship. By building satellites 10x larger than current smallsats at a fraction of traditional large satellite costs, K2 aims to unlock new mission architectures previously constrained by launch cost and fairing volume.
| Round | Amount | Valuation | Lead Investors | Date |
|---|---|---|---|---|
| Series A | $50M | ~$250M | a16z (Andreessen Horowitz) | Mar 1, 2024 |
| Series B | $50M | ~$500M | a16z (Andreessen Horowitz) | Apr 1, 2025 |
| Series C | $250M | $3B | Undisclosed | Dec 1, 2025 |