CesiumAstro Valuation, Funding & Investors
CesiumAstro is valued at $41M as of March 2019.
Last CesiumAstro valuation
$41M
Series A · Mar 2019
Last CesiumAstro funding round
$270M
Series C · Feb 2026
Cumulative funding CesiumAstro raised
$441M
across 7 funding rounds
Key investors in CesiumAstro
Kleiner Perkins
Airbus Ventures
Lavrock Ventures
Putnam Premier IT
Trousdale Ventures
Development Bank of Japan
About CesiumAstro
CesiumAstro is an Austin-headquartered provider of electronically scanned array antennas and communication payloads for satellites, unmanned aerial vehicles, launch vehicles, and airborne platforms. Founded in 2017, the company combines commercial components with space-qualified designs to deliver software-defined radios capable of beamforming and multi-band operations for LEO constellations and defense missions.
Founded
2017
HQ
Austin, TXWebsite
Status
Privately held
Customer focus
B2B & B2G
Revenue model
Product sales
Valuation
$41M (Mar 2019)
CesiumAstro Valuation
CesiumAstro is currently valued at $41M, based on its Series A in March 2019.
The $12M round was led by Airbus Ventures, with participation from Honeywell Ventures, Putnam Premier IT, Kleiner Perkins, Lavrock Ventures and Analog Devices.
CesiumAstro valuation by funding round
| Date | Stage | Valuation |
|---|---|---|
| Mar 2019 | Series A | $41M |
CesiumAstro Funding History
CesiumAstro has raised a total of $441M across 7 funding rounds.
CesiumAstro's first fundraising round was a $2M seed round in July 2017. The most recent completed round was a $270M Series C in February 2026.
CesiumAstro funding rounds
| Date | Stage | Investors | Raised | Valuation | Deal Summary |
|---|---|---|---|---|---|
| Feb 2026 | Series C | Trousdale Ventures (lead); Airbus Ventures; Development Bank of Japan; NewSpace Capital; Janus Henderson; EDBI; Mesh++; Woven Capital | $270M | - | CesiumAstro, an Austin-based space technology company founded in 2017, develops advanced software-defined communications payloads, fully integrated low Earth orbit (LEO) satellites like its Element platform, and onboard computing systems for proliferated space architectures serving defense, government, and commercial customers. The company announced a $470 million Series C growth capital package on February 2, 2026, comprising $270 million in equity led by Trousdale Ventures with participation from Airbus Ventures, Development Bank of Japan, EDBI, Janus Henderson Investors, Mesh++, NewSpace Capital, Woven Capital, and others, plus a $200 million non-dilutive financing package from EXIM Bank and J.P. Morgan under the Make More In America initiative. This follows their $65 million Series B+ in 2024, also led by Trousdale Ventures. The funding supports rapid scaling, including construction of a new 270,000-square-foot headquarters facility near Austin to consolidate design, assembly, integration, and testing operations starting in early 2027; expanded U.S. manufacturing capacity projected to generate over $500 million in investment and create more than 500 high-skilled jobs over five years; accelerated deployment of AI-enabled space communications platforms for connect, detect, and defend missions; and increased production of the Element LEO satellite alongside growth in global technical and program teams. Approximately 75% of CesiumAstro's business is currently in defense and government, with contracts including support for Rocket Lab's Space Development Agency work, a NASA LunaNet technology contract, and a Taiwan Space Agency award, while commercial applications like connected cars are targeted to reach 50% of business by 2030, bolstered by investors like Toyota's Woven Capital. Recent momentum includes advancing from announcing its first fully integrated satellite to securing eight SpaceX rideshare launches for on-orbit validation, positioning CesiumAstro to transition from low-rate innovation to high-capacity manufacturing for resilient space-based connectivity. CEO Shey Sabripour described the raise as a scale moment to build an American industrial backbone, with CFO Ken Smith noting it validates execution across markets and accelerates growth through dilutive and non-dilutive capital. Trousdale Ventures' Phillip Sarofim highlighted the team's focus on engineering excellence and maturity in delivering hardware for government and commercial programs. |
| Jun 2024 | Series B | Trousdale Ventures (lead); Kleiner Perkins; Quanta Computer; Lavrock Ventures; Development Bank of Japan; InMotion Ventures; MESH; Alumni Ventures; L3Harris; Assembly Ventures; Matter Venture Partners | $65M | - | CesiumAstro Inc. is an Austin-based space communications technology company founded in 2017. The company develops software-defined, AI-enabled space communications platforms and manufactures fully integrated LEO (low Earth orbit) satellites called Element. CesiumAstro's technology focuses on delivering resilient communications solutions for commercial and defense applications. On June 18, 2024, CesiumAstro closed a $65 million Series B+ funding round led by Trousdale Ventures. The round was oversubscribed and included participation from Development Bank of Japan Inc., Quanta Computer, Inc., Kleiner Perkins, Lavrock Ventures, L3Harris Technologies, InMotion Ventures (Jaguar Land Rover's investment arm), Matter Venture Partners, MESH Ventures, and Assembly Ventures. This round brought total venture funding to approximately $156 million since the company's inception in 2017. The proceeds from the Series B+ round were designated to accelerate research and development, expand manufacturing capabilities, support global expansion, and acquire technical talent. The company operates with a team of over 200 engineers and scientists based in Austin. Founder and CEO Shey Sabripour led the company's strategic vision, with strong backing from lead investor Trousdale Ventures, whose CEO Phillip Sarofim expressed confidence in CesiumAstro's potential to revolutionize space communications technology. Following this round, CesiumAstro continued its momentum, announcing eight SpaceX rideshare launches for on-orbit validation of its Element satellite. The company's growth trajectory culminated in a subsequent $470 million Series C round (announced later) that included $270 million in equity and $200 million in non-dilutive financing from the Export-Import Bank of the United States and J.P. Morgan, reflecting accelerating commercial and defense market traction. |
| Feb 2024 | Undisclosed stage | - | $30M | - | CesiumAstro, an Austin-based space technology company, develops advanced connectivity solutions including hardware and software platforms that integrate satellites, high-performance communications payloads, and advanced computing systems for space and defense sectors. The company focuses on software-defined, AI-enabled space communications platforms, phased array technology for ISR and telecommunications missions, and its fully integrated LEO satellite called Element, with first launches secured on SpaceX rideshares and partial funding from U.S. Space Force STRATFI. It serves government programs like the Space Development Agency's Proliferated Warfighter Space Architecture and aims to expand into commercial applications such as connected cars, targeting 50% commercial business by 2030. On February 2, 2026, CesiumAstro closed a $470 million Series C growth capital round, comprising $270 million in equity led by Trousdale Ventures with participation from Woven Capital, Janus Henderson Investors, Airbus Ventures, Development Bank of Japan, MESH, EDBI, NewSpace Capital, and others, plus a $200 million non-dilutive financing package from EXIM Bank and J.P. Morgan under the 'Make More In America' initiative. This follows a $65 million Series B+ round in June 2024, also led by Trousdale Ventures, bringing total venture funding to over $420 million since 2017. Funds will support rapid U.S. scale-up, including construction of a new 270,000-square-foot headquarters in Texas consolidating design, assembly, integration, and testing operations starting early 2027, expanded manufacturing capacity, accelerated deployment of AI-enabled platforms globally, scaled production of the Element satellite, and growth of technical and program teams. The expansion is projected to generate over $500 million in investment over five years and create more than 500 high-skilled jobs. CEO Shey Sabripour described it as a 'scale moment' transitioning technology to an 'American Industrial backbone' for resilient communications to 'connect, detect, and defend' at global scale. |
| Jan 2023 | Seed | - | $2M | - | - |
| Mar 2022 | Series B | Airbus Ventures (lead); Forever Ventures (lead); Putnam Premier IT; Kleiner Perkins; Lavrock Ventures; Heico; L3Harris | $60M | - | CesiumAstro, an Austin-based satellite communications company founded in 2017, raised a $60 million Series B funding round on or around March 3, 2022, co-led by Airbus Ventures and Forever Ventures, with participation from investors including Putnam Premier IT, Heico, Kleiner Perkins, L3Harris Technologies, and Lavrock Ventures. The company specializes in software-defined, active phased array antennas and integrated satellite systems for space communications, targeting commercial and defense markets with AI-enabled platforms for low-Earth orbit (LEO) applications. This 2022 Series B followed earlier funding, such as a $12.4 million Series A led by Airbus Ventures in 2019, and preceded a much larger $470 million growth capital raise announced on February 2, 2026, comprising $270 million in equity led by Trousdale Ventures (with Airbus Ventures participating) and $200 million in debt financing from the U.S. Export-Import Bank and J.P. Morgan. The 2026 funding supported expansion of manufacturing to a 270,000-square-foot facility in Texas, scaled production of its Element LEO satellite, and global deployment of communications platforms, highlighting the company's momentum with eight SpaceX rideshare launches and on-orbit validation. CesiumAstro's technology enables resilient, high-bandwidth communications for space applications, positioning it in the growing NewSpace sector amid demand for 5G non-terrestrial networks and satellite constellations. Strategic backing from aerospace giants like Airbus and L3Harris underscores its role in projects like Airbus's UpNext SpaceRAN demonstrator for global 5G connectivity. |
| Mar 2019 | Series A | Airbus Ventures (lead); Honeywell Ventures; Putnam Premier IT; Kleiner Perkins; Lavrock Ventures; Analog Devices | $12M | $41M | CesiumAstro is an aerospace communications technology company that develops software-defined radio frequency systems for satellites, unmanned aerial vehicles, launch vehicles, and other aerospace platforms. The company's core product uses scalable, modular architecture to convert digital bits into steerable, shapeable radio frequency beams, delivering high-speed communication links with minimal integration requirements—a single power cable and digital connection. In March 2019, CesiumAstro closed a $12.4 million Series A round led by Airbus Ventures, with participation from Kleiner Perkins, Franklin Templeton Venture Fund, Lavrock Ventures, Honeywell Ventures, and Analog Devices Ventures. The round valued the company at $41.03 million post-money and was designed to scale the team and expand development of frequency offerings and system configurations to meet demand for affordable, high-throughput aerospace plug-and-play communications systems. Airbus's backing reflected strategic interest in the company's technology for next-generation space and airborne systems, and the aerospace manufacturer would continue as an investor across multiple subsequent rounds, including the company's $470 million Series C in 2026. |
| Jul 2017 | Seed | - | $2M | - | - |
Who has invested in CesiumAstro?
22 investors have backed CesiumAstro across its funding rounds, including Kleiner Perkins, Airbus Ventures, Lavrock Ventures, Putnam Premier IT, Trousdale Ventures and Development Bank of Japan.
Lead investors include Trousdale Ventures, Airbus Ventures and Forever Ventures.
CesiumAstro Investors
| Investor | HQ | Rounds | Role | First check |
|---|---|---|---|---|
| San Francisco, CA | 3 | Participant | Mar 2019 | |
| Washington, DC | 3 | Participant | Mar 2019 | |
| San Francisco, CA | 3 | Lead | Mar 2019 | |
| United States | 2 | Participant | Mar 2019 | |
| Los Angeles, CA | 2 | Lead | Jun 2024 | |
 Tokyo | 2 | Participant | Jun 2024 | |
| United States | 2 | Participant | Mar 2022 | |
| San Francisco, CA | 1 | Participant | Mar 2019 | |
![](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><rect fill="%23e5e7eb" width="20" height="20" rx="4"/></svg>){kind=small} Forever Ventures |  Redditch | 1 | Lead | Mar 2022 |
 Taoyuan | 1 | Participant | Jun 2024 | |
| United States | 1 | Participant | Mar 2022 | |
 Luxembourg City | 1 | Participant | Feb 2026 | |
| London | 1 | Participant | Feb 2026 | |
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Benchmark 350K+ Funding Rounds and Disclosed VC Valuation Multiples
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Start Free TrialAcquisitions by CesiumAstro
CesiumAstro has acquired 4 companies to date.
Last acquisition by CesiumAstro was on August 25th 2026. CesiumAstro acquired 1Aardvark for undisclosed valuation.
Latest Acquisitions by CesiumAstro
| Description | 1Aardvark is a software engineering contractor specializing in autonomy and command systems for defense applications. It builds architectures for coordinating autonomous assets in disconnected environments and serves the Department of Defense along with intelligence and space agencies. | Jariet Tech is a semiconductor developer that produces high-performance data converters for sensing and communications applications. The technology integrates functions previously handled by separate RF components into digital processing. It utilizes advanced process nodes to deliver higher levels of performance and consolidation. | Vidrovr is a New York-headquartered developer of multimodal computer vision and machine learning systems for video indexing, tagging, and analysis. The technology processes videos in domains like sports, government, and media. Users search indexed video collections, retrieve internal content, and connect it to photos, text, and social media for interactive multimedia experiences. Founded in 2016. | TXMission is a UK-based New Space company developing Ka-band terminals for smallsat communications in LEO constellations. The flat-panel antennas enable 1 Gbps data links for Earth observation and airborne platforms, tested with OneWeb. Founded in 2020, TXMission collaborates with Airbus and holds UK Space Agency funding for production scaling. |
| HQ Country | | | | |
| HQ City | Manassas, VA | Redondo Beach, CA | New York City, NY | Watford |
| Deal Date | 25 Aug 2026 | 12 Aug 2026 | 25 Feb 2026 | 17 Jan 2023 |
| Valuation | undisclosed | undisclosed | undisclosed | undisclosed |
| EV/Revenue | ||||
| EV/EBITDA | ||||
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CesiumAstro Competitors
CesiumAstro competitors include listed companies like Comtech Telecom and Nara Space Technology, and private ones like Ground Beidou, Apolink, Wyvern and Everywhere Communications.
| Company | HQ | Status | Revenue | EBITDA | Valuation | Revenue Multiple |
|---|---|---|---|---|---|---|
 Chengdu | Private | - | - | $44M | - | |
| San Francisco, CA | Private | - | - | $45M | - | |
| United States | Publicly listed | $500M | ($76M) | $45M | 1.1x | |
 Edmonton | Private | - | - | $37M | - | |
| Annapolis, MD | Private | - | - | $34M | - | |
 South Korea | Publicly listed | $9M | - | $116M | 8.4x |
CesiumAstro Public Comps
CesiumAstro is still privately-owned, but its public comps include Comtech Telecom, Thorium Space, Vislink Technologies, Nippon BS Broadcasting, Nara Space Technology, KVH Industries, KT SkyLife, GomSpace, Systems Engineering and Nelco.
| Last FY | EV/Revenue | EV/EBITDA | ||||||
|---|---|---|---|---|---|---|---|---|
| Revenue | EBITDA | Last FY | LTM | 2027E | Last FY | LTM | 2027E | |
| $500M | ($76M) | 1.0x | 1.1x | (6.3x) | 13.2x | |||
| - | - | - | - | - | - | |||
| $28M | ($19M) | 0.1x | - | (0.2x) | - | |||
| $76M | $16M | 0.3x | 0.3x | 1.6x | - | |||
| $9M | - | 10.6x | 8.4x | - | - | |||
| $111M | $614K | 0.7x | 0.6x | 124.8x | 6.3x | |||
| $716M | $109M | 0.2x | 0.3x | 1.6x | 1.5x | |||
| $45M | $2M | 4.3x | 3.4x | 118.7x | 29.2x | |||
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Common questions about CesiumAstro
| When was CesiumAstro founded? | CesiumAstro was founded in 2017. |
| Where is CesiumAstro headquartered? | CesiumAstro is headquartered in Austin, TX, United States. |
| Is CesiumAstro publicly listed? | No, CesiumAstro is a private, VC-backed company. |
| What is CesiumAstro's valuation? | CesiumAstro was last valued at $41M in its Series A in March 2019. |
| How much funding has CesiumAstro raised? | CesiumAstro has raised $441M across 7 funding rounds. |
| What was CesiumAstro's last funding round? | CesiumAstro's last funding round was a $270M Series C in February 2026, led by Trousdale Ventures. |
| Who are CesiumAstro's investors? | CesiumAstro's investors include Kleiner Perkins, Lavrock Ventures, Airbus Ventures, Putnam Premier IT, Trousdale Ventures, Development Bank of Japan, L3Harris, Honeywell Ventures, Forever Ventures, Quanta Computer and 12 others. |
| Which companies are comparable to CesiumAstro? | Companies comparable to CesiumAstro include Ground Beidou, Apolink, Comtech Telecom, Wyvern, Everywhere Communications and Nara Space Technology. |
| How many companies has CesiumAstro acquired? | CesiumAstro has acquired 4 companies, including 1Aardvark, Jariet Tech, Vidrovr and TXMission. |
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