Startup · United States
CesiumAstro
HQ AustinFounded 2017501-1000 employees
CesiumAstro delivers scalable satellites, terminals, and software-defined systems for the missions that matter—built for performance, ready to deploy.
Funding11 rounds · $456M
- Equity raised
- $456M
- Debt, secondaries & grants
- $510M
- Latest
- $300MDebt · Sep 11, 2026
- Last valuation
- $41.0M?Basis not stated · Series A · Mar 13, 2019
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Sep 11, 2026 | Debt | $300M | — | Export-Import Bank of the United States | J.P. Morgan | Confirmed |
| Feb 2, 2026 | Series C | $270M | — | Trousdale Ventures | Airbus Ventures, NewSpace Capital | Confirmed |
| Jan 15, 2026 | Debt | $200M | — | Export-Import Bank of the United States | J.P. Morgan | Confirmed |
| Mar 10, 2025 | Grant | $10.0M | — | Texas Space Commission | — | Confirmed |
| Jun 18, 2024 | Series B | $65.0M | — | Trousdale Ventures | Kleiner Perkins, L3Harris Technologies, Lavrock Ventures | Reported |
| Feb 13, 2024 | Undisclosed | $30.0M | — | — | — | Confirmed |
| Jan 27, 2023 | Undisclosed | $2.1M | — | — | — | Confirmed |
| Mar 2, 2022 | Series B | $60.0M | — | Airbus Ventures, Forever Ventures | Franklin Templeton, Kleiner Perkins, L3Harris Technologies, Lavrock Ventures | Confirmed |
| Oct 22, 2020 | Convertible | $15.0M | — | — | — | Confirmed |
| Mar 13, 2019 | Series A | $12.4M | $41.0M? | Airbus Ventures | — | Confirmed |
- $300MSep 11, 2026
- $270MFeb 2, 2026
- $200MJan 15, 2026
- $10.0MMar 10, 2025
- $65.0MJun 18, 2024
- UndisclosedConfirmed$30.0MFeb 13, 2024
- UndisclosedConfirmed$2.1MJan 27, 2023
- $60.0MMar 2, 2022
- ConvertibleConfirmed$15.0MOct 22, 2020
- $12.4MMar 13, 2019
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Systems1
Newest unveiled first. Open a system for its milestone timeline, components and sources.
People2
- Shey Sabripour
Founder and CEO
- Ken Smith
CFO
Sources27
Show all 27 sources and supporting evidence
Profile5
- 1
PitchBook · Supports Organization · founded year, Organization · linkedin url, Organization · x url
“founded_year: 2017”
- 2
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "USA", "hq_iso2": "US", "id": "689bd43b-c32a-427e-99a1-2c58211dafae"}”
- 3
CesiumAstro · Supports Organization · description, Organization · name, Organization · website
“CesiumAstro delivers scalable satellites, terminals, and software-defined systems for the missions that matter—built for performance, ready to deploy.”
- 4
LinkedIn · Supports Organization · employee range, Organization · founded year, Organization · hq city, Organization · linkedin url
“employee_range: 501-1000 (profile: 501-1,000 employees)”
- 5
Owler · Supports Organization · employee range, Organization · founded year, Organization · hq city, Organization · linkedin url, Organization · x url
“employee_range: 501-1000 (profile: 500 - 1,000)”
Systems1
- 6CompanyMission Systems
CesiumAstro · Supports System
“Element [Learn more](/element)  ## The most advanced RF-native LEO bus RF-Native Element’s RF-Native architecture optimizes power, thermal management, and RF routing to maximize signal fidelity and mission reliability”
Funding20
- 7
Multiples · Oct 6, 2026 · Supports Funding round · post money valuation usd
“CesiumAstro is valued at $41M as of March 2019.”
- 8CompanyCesiumAstro Puts Future of U.S. Space and Defense Manufacturing on Display for EXIM Bank Chairman
CesiumAstro (Business Wire) · Sep 11, 2026 · Supports Funding round · amount
“Visit caps $300 million in EXIM financing, the largest loan under the "Make More in America" Initiative”
- 9
Aviation Week · Sep 10, 2026 · Supports Funding round
“signed a $300 million credit agreement during his Sept. 9 visit to Austin-based space and defense connectivity specialist CesiumAstro”
- 10Regulatory filingForm D: CesiumAstro Inc.
U.S. Securities and Exchange Commission · Jun 9, 2026 · Supports Funding round · amount
“Issuer: CesiumAstro Inc.; Date of First Sale: 2025-07-03; Total Amount Sold: 270514997”
- 11
CesiumAstro · Feb 2, 2026 · Supports Funding round · amount, Organization · ownership
“The funding includes $270 million in equity, led by”
- 12
SpaceNews · Feb 2, 2026 · Supports Funding round
“CesiumAstro raised $270 million in a Series C investment round led by Trousdale Ventures.”
- 13
CesiumAstro (Business Wire) · Jan 15, 2026 · Supports Funding round · amount
“today announced it secured a historic $200 million financing package from the Export-Import Bank of the United States (EXIM), in partnership with J.P. Morgan”
- 14
Via Satellite · Jun 20, 2024 · Supports Funding round
“Trousdale Ventures led the round with backing from Development Bank of Japan and Quanta Computer.”
- 15
SpaceNews · Jun 18, 2024 · Supports Funding round · amount
“raised $65 million in a Series B+ investment round announced June 18.”
- 16Regulatory filingForm D: CesiumAstro Inc.
U.S. Securities and Exchange Commission · Feb 13, 2024 · Supports Funding round · amount
“<totalAmountSold>29999992</totalAmountSold>”
- 17Regulatory filingForm D: CesiumAstro Inc.
U.S. Securities and Exchange Commission · Jan 27, 2023 · Supports Funding round · amount
“<totalAmountSold>2089203</totalAmountSold>”
- 18
CesiumAstro (Business Wire) · Mar 2, 2022 · Supports Funding round · amount
“today announced it has secured $60 million in an oversubscribed Series B funding round, co-led by Airbus Ventures and Forever Ventures, with strategic participation from L3Harris Technologies (NYSE: LHX)”
- 19Regulatory filingForm D: CesiumAstro Inc.
U.S. Securities and Exchange Commission · Mar 2, 2022 · Supports Funding round · amount
“<totalAmountSold>15000000</totalAmountSold>”
- 20Regulatory filingForm D: CesiumAstro Inc.
U.S. Securities and Exchange Commission · Mar 2, 2022 · Supports Funding round · amount
“<totalAmountSold>59999999</totalAmountSold>”
- 21Regulatory filingForm D: CesiumAstro Inc.
U.S. Securities and Exchange Commission · Oct 22, 2020 · Supports Funding round · amount
“<totalAmountSold>14000000</totalAmountSold>”
- 22
SpaceNews · Mar 14, 2019 · Supports Funding round · amount
“raised $12.4 million in a Series A round led by Airbus’ venture capital arm Airbus Ventures.”
- 23Regulatory filingForm D: CesiumAstro Inc.
U.S. Securities and Exchange Commission · Jan 31, 2019 · Supports Funding round · amount
“Issuer: CesiumAstro Inc.; Date of First Sale: 2019-01-16; Total Amount Sold: 8499996”
- 24Regulatory filingForm D: CesiumAstro Inc.
U.S. Securities and Exchange Commission · May 25, 2017 · Supports Funding round · amount
“<totalAmountSold>1750000</totalAmountSold>”
- 25
Texas Space Commission · Supports Funding round · amount
“a Space Exploration & Aeronautics Research Fund (SEARF) grant of up to $10 million has been awarded to CesiumAstro Inc.”
- 26
People1
- 27
CesiumAstro · Supports Role
““This is a scale moment,” said Shey Sabripour, Founder and CEO of CesiumAstro.”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.