Impulse Space
PrivateLast Round
Series D
Jun 2, 2026
Est. Valuation
$4.26B
Total Funding Raised
$1.04B
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Impulse Space is an aerospace company that develops in-space transportation technology and services, including orbital transfer vehicles and propulsion systems, to enable satellite delivery to various orbits.
Sector
Frontier & Industrial Tech
Verticals
Space Technology, Defense Tech
Business Model
B2B
Customer Profile
Usage-Based SaaS, Government Contracts, Hardware Sales
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Impulse Space Comparables
Compare Impulse Space with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Vast Space | 85% | |
| Momentus | 84% | |
| Rocket Lab | 81% |
Impulse Space Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series D | Jun 2, 2026 | ||||
| Series C | Jun 2, 2025 | ||||
| Series B | Sep 30, 2024 | ||||
| Series A | Jul 24, 2023 | ||||
| Seed Extension | Jun 17, 2022 | ||||
Seed | Mar 29, 2022 |
Secondary Market Activity
Bids, offers, and trades by month
| Operation | Date | Price | Size | Share Class | Structure |
|---|---|---|---|---|---|
BID |
Impulse Space Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Linse Capital | Series D, Series C |
| Overmatch | Series B |
| Tamar Capital | Series B, Series C |
| GC Capital | Series A |
| Elysium Venture Capital | Series B |
| Balerion Space Ventures | Series B, Series C |
| Founders Fund | Series A, Series D, Series C, Seed, Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 28, 2026
Grew 23% QoQ, from 437 to 538 employees.
- Aug 1, 2026
Grew 30% QoQ, from 396 to 513 employees.
Impulse Space Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Impulse Space's valuation, stock price, and market status.
Is Impulse Space a public or private company?
Impulse Space is a private company.
What is the current stock price of Impulse Space?
Impulse Space is a private company with no public stock price. No recent secondary market data is available.
How much is Impulse Space worth (valuation)?
Impulse Space's valuation is estimated at $4.3B based on funding round data.
Can I buy Impulse Space stock?
Impulse Space shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Impulse Space's last funding round?
Impulse Space's most recent funding round was Series D on June 2, 2026.
Who are the main investors in Impulse Space?
Key investors in Impulse Space include Linse Capital, Founders Fund, Lux Capital, 137 Ventures, RTX Ventures.
Will Impulse Space IPO soon?
No public IPO plans have been announced for Impulse Space.
How can I track Impulse Space secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Impulse Space's secondary market activity and sign up for updates.