- Companies
- XBOW
Last XBOW valuation
$1B
Series C · May 2026
Last XBOW funding round
$35M
Series C · May 2026
Cumulative funding XBOW raised
$272M
across 5 funding rounds
Key investors in XBOW
Sequoia Capital
Altimeter Capital
Nat Friedman
Northzone
DNX Ventures
Samsung Ventures
About XBOW
XBOW is an Austrian manufacturer of solid rocket motors for space and defense applications. The company produces hybrid propulsion systems for small satellites and sounding rockets launched from sites like Andøya Space Center. Its reusable engines power missions for clients including European Space Agency partners.
Founded
2024
HQ
Website
Status
Privately held
Customer focus
B2B & B2G
Revenue model
Product sales
Valuation
$1B (May 2026)
XBOW Valuation
XBOW is currently valued at $1B, based on its Series C in May 2026.
The $35M round included Accenture Ventures, NVentures, S Ventures, DNX Ventures, Samsung Ventures and 1 other investor.
XBOW's valuation has moved from $1B at its Series B in June 2025 to $1B in May 2026, across 3 priced rounds.
XBOW valuation by funding round
| Date | Stage | Valuation |
|---|---|---|
| May 2026 | Series C | $1B |
| Mar 2026 | Series C | $1B |
| Jun 2025 | Series B | $1B |
XBOW Funding History
XBOW has raised a total of $272M across 5 funding rounds.
XBOW's first fundraising round was a $20M seed round in July 2024. The most recent completed round was a $35M Series C in May 2026.
XBOW funding rounds
| Date | Stage | Investors | Raised | Valuation | Deal Summary |
|---|---|---|---|---|---|
| May 2026 | Series C | Accenture Ventures; NVentures; S Ventures; DNX Ventures; Samsung Ventures; Liberty Global Ventures | $35M | $1B | XBOW USA Inc. raised an additional $35 million in a Series C extension round on May 6, 2026, from Accenture Ventures, DNX Ventures, Liberty Global Tech Ventures, NVentures, Samsung Ventures, and SentinelOne S Ventures. This extends the previously announced $120 million Series C, bringing the total Series C to $155 million and overall funding to more than $270 million. The company is valued at over $1 billion. Strategic investors, including customers and ecosystem partners, participated amid rising demand for continuous offensive security against AI-driven cyber threats. The funding supports go-to-market expansion, international growth, partner ecosystem development, and scaling of engineering and operations teams. XBOW, based in Seattle, WA, develops an autonomous offensive security platform. It operates as a cybersecurity unicorn with total funding exceeding $270 million. |
| Mar 2026 | Series C | DFJ Growth (lead); Northzone (lead); NFDG Ventures; Altimeter Capital; Sequoia Capital; Alkeon Capital; Sofina | $120M | $1B | - |
| Jun 2025 | Series B | Altimeter Capital (lead); Sequoia Capital; Nat Friedman | $75M | $1B | XBOW is an autonomous offensive security company founded in January 2024 that uses AI-powered technology to detect and test application security vulnerabilities at machine speed. The platform operates as an autonomous hacker, addressing a critical security gap that AI-powered attackers have widened. XBOW reached the top of the HackerOne leaderboard and has demonstrated that autonomous security systems can operate safely and effectively in live production environments. The company closed a $120 million Series C funding round on March 18, 2026, which was led by DFJ Growth and Northzone, with participation from new investors Sofina and Alkeon Capital, alongside returning backers Altimeter, NFDG Ventures, and Sequoia Capital. The round valued the company at over $1 billion, achieving unicorn status. The company has grown to approximately 150 employees and plans to expand to several hundred by year-end, with over 100 enterprise clients including Fortune 500 companies, Moderna, and Samsung Electronics. Ramin Sayar, Venture Partner at DFJ Growth and former CEO of Sumo Logic, joined XBOW's Board of Directors as part of the investment. The funding will be used to expand across enterprise markets, drive continued product development, and support international growth, with strong demand noted particularly in South Korea. |
| Jan 2025 | Series A | Nat Friedman (lead); Sequoia Capital (lead) | $22M | - | - |
| Jul 2024 | Seed | Sequoia Capital (lead); Howard Leach; Amjad Masad; Michele Catasta; Olivier Pomel; Joseph M. Hall | $20M | - | - |
Who has invested in XBOW?
19 investors have backed XBOW across its funding rounds, including Sequoia Capital, Altimeter Capital, Nat Friedman, Northzone, DNX Ventures and Samsung Ventures.
Lead investors include DFJ Growth, Northzone, Altimeter Capital, Nat Friedman and Sequoia Capital.
XBOW Investors
| Investor | HQ | Rounds | Role | First check |
|---|---|---|---|---|
| 4 | Lead | Jul 2024 | ||
| 2 | Lead | Jun 2025 | ||
| 2 | Lead | Jan 2025 | ||
| 1 | Participant | May 2026 | ||
| 1 | Participant | May 2026 | ||
| 1 | Participant | May 2026 | ||
| 1 | Participant | Mar 2026 | ||
| 1 | Participant | May 2026 | ||
| 1 | Participant | May 2026 | ||
| 1 | Lead | Mar 2026 | ||
| 1 | Participant | Jul 2024 | ||
| 1 | Participant | May 2026 | ||
| 1 | Participant | Jul 2024 | ||
This data is available for Pro users. Sign up to see all 19 XBOW investors. Start Free Trial | ||||
Benchmark 350K+ Funding Rounds and Disclosed VC Valuation Multiples
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Start Free TrialXBOW Competitors
XBOW competitors include listed companies like UBtech Robotics and Extreme Vision, and private ones like Cornerstone Robotics, Forterra, Gravis Robotics and Heven AeroTech.
| Company | HQ | Status | Revenue | EBITDA | Valuation | Revenue Multiple |
|---|---|---|---|---|---|---|
| Publicly listed | $298M | ($108M) | $5.1B | 9.5x | ||
| Private | - | - | $1B | - | ||
| Private | - | $82M | $1B | - | ||
| Private | - | - | $1B | - | ||
| Private | - | - | $1B | - | ||
| Publicly listed | $44M | ($6M) | $1B | 11.6x |
XBOW Public Comps
XBOW is still privately-owned, but its public comps include SEER Robotics, Extreme Vision, AEVEX, Braiin, Xtend AI Robotics, Kodiak AI, Huayan Robotics, Cidi, Eacon Group and RoboStrategy.
| Last FY | EV/Revenue | EV/EBITDA | ||||||
|---|---|---|---|---|---|---|---|---|
| Revenue | EBITDA | Last FY | LTM | 2027E | Last FY | LTM | 2027E | |
| $66M | ($6M) | 13.2x | - | (156.2x) | - | |||
| $44M | ($6M) | 22.8x | 11.6x | (163.7x) | - | |||
| $433M | $30M | 5.2x | 3.5x | 74.9x | 25.6x | |||
| $73M | ($15M) | 15.8x | 13.0x | (76.1x) | 89.6x | |||
| $20M | ($27M) | 64.2x | - | (47.5x) | - | |||
| $4M | ($577M) | 233.9x | 98.7x | (1.5x) | (6.6x) | |||
| $58M | ($4M) | 12.8x | 9.5x | (184.5x) | (3194.4x) | |||
| $132M | ($155M) | 8.8x | 5.0x | (7.5x) | (22.7x) | |||
This data is available for Pro users. Sign up to see all XBOW competitors and their valuation data. Start Free Trial | ||||||||
Common questions about XBOW
| When was XBOW founded? | XBOW was founded in 2024. |
| Where is XBOW headquartered? | XBOW is headquartered in Seattle, WA, United States. |
| Is XBOW publicly listed? | No, XBOW is a private, VC-backed company. |
| What is XBOW's valuation? | XBOW was last valued at $1B in its Series C in May 2026. |
| How much funding has XBOW raised? | XBOW has raised $272M across 5 funding rounds. |
| What was XBOW's last funding round? | XBOW's last funding round was a $35M Series C in May 2026. |
| Who are XBOW's investors? | XBOW's investors include Sequoia Capital, Altimeter Capital, Nat Friedman, Accenture Ventures, NVentures, S Ventures, NFDG Ventures, DNX Ventures, Samsung Ventures, DFJ Growth and 9 others. |
| Which companies are comparable to XBOW? | Companies comparable to XBOW include UBtech Robotics, Cornerstone Robotics, Forterra, Gravis Robotics, Heven AeroTech and Extreme Vision. |
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