Boeing's venture capital arm, AEI HorizonX, focuses on investing in transformative aerospace and defense technologies. Its strategy involves supporting early to growth-stage startups in areas such as future mobility, space, sustainability, digital enterprise applications, networks, and security, leveraging Boeing's resources to accelerate their development.
50% of their portfolio is in Mobility & Transportation. Deal activity increased 100% year-over-year (2 deals in the last 12 months). Their most common stage is growth (40% of deals). Average disclosed round size is $202.4M (across 10 rounds with reported amounts).
Portfolio
10
Fund Size
$250M
Top Stage
Growth
Last 12 Mo
2
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
10 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| SSees.ai | Seed | $4.7M | Oct 2025 |
 X-Bow Systems Inc | Series B | $105M | May 2025 |
| X-Bow Systems Inc | Series B | $70M | Jul 2024 |
 Archer | Series D | $215M | Aug 2023 |
| AArcher Aviation | Growth | $215M | Aug 2023 |
| WWisk Aero | Growth | $450M | Jan 2022 |
| SSingularity University | Series B | $32M | Feb 2018 |
| Sself-flying air taxi start-up | Growth | $450M | — |
| WWisk | Growth | $450M | — |
 SparkCognition | Series B | $32.5M | — |
Top Co-Investors
Razor's Edge2 shared
Lockheed Martin Ventures2 shared
Crosslink Capital2 shared
Balerion Space Ventures2 shared
WestRiver Group1 shared
Silicon Valley Bank1 shared
Stellantis1 shared
ARK Invest1 shared
Hearst Ventures1 shared
Elbow Beach1 shared
Bravo Victor Venture Capital1 shared
Factory1 shared
Verizon1 shared
Last updated: 8 March 2026