The Boeing Company is a multinational aerospace corporation that designs, manufactures, and services commercial airplanes, defense products, and space systems. Through its corporate venture capital arm, Boeing HorizonX Ventures (established in 2017 and now operated as AEI HorizonX in partnership with AE Industrial Partners), Boeing invests in early-stage to growth-stage startups in aerospace, defense, space, and related deep-tech sectors.
Their most common stage is series-b (44% of deals). Average disclosed round size is $71.5M (across 13 rounds with reported amounts).
Portfolio
15
Fund Size
—
Top Stage
Series B
Last 12 Mo
1
Team
ET
Elizabeth Tulach
Chief Investment Officer
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
16 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Walden Robotics | Seed | $300M | Jan 2026 |
 Sees.ai | Unknown | $4.7M | Oct 2025 |
 X-Bow | Series B | $105M | May 2025 |
| AAxionRay | Series B | $37M | Jan 2025 |
| X-Bow | Series B | $70M | Jul 2024 |
 Archer | Series D | $215M | Aug 2023 |
 Archer | Growth | — | Aug 2023 |
 Axion | Seed | $7.5M | Feb 2023 |
 Kernal Biologics | Series A | $25M | Jul 2022 |
| WWisk Aero | Unknown | — | Jan 2022 |
 Fortem Technologies | Series A | $15M | Mar 2018 |
 SparkCognition | Series B | $32.5M | — |
 Quincus | Series B | $100M | — |
 Singularity University | Series B | — | — |
 Accion Systems | Series B | $3M | — |
 Myriota | Series A | $15M | — |
Top Co-Investors
Balerion Space Ventures2 shared
Lockheed Martin Ventures2 shared
Crosslink Capital2 shared
Razor's Edge Ventures2 shared
Hearst Ventures2 shared
Stellantis Ventures2 shared
Y Combinator2 shared
AEI HorizonX2 shared
Amplo2 shared
Inspired Capital2 shared
Bravo Victor Venture Capital1 shared
Factory1 shared
Market One Capital1 shared
March Capital1 shared
Plug and Play Tech Center1 shared
Dalus Capital1 shared
Verizon Ventures1 shared
ARK Investment Management LLC1 shared
Stellantis1 shared
Last updated: 7 October 2026