Impulse Space is a privately held company tracked for investment-relevant business and technology developments.
| date | round | amount | valuation | investors |
|---|---|---|---|---|
| Jun 2026 | Series D | $500M | not disclosed | not disclosed |
Impulse's Helios third stage adds 12 tons of propellant to Falcon 9, delivering 10x payload to Moon and 5x to Mars at fraction of Falcon Heavy cost, with Starship as demand accelerator not competitor.