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CesiumAstro

CesiumAstro develops satellite communication systems and spacecraft solutions for aerospace, commercial, and defense applications.

Robotics and hardwareDefense and securityManufacturing and industrial
Latest funding

$730M Series B+ ·

Led by Janus Henderson · Source: fourweekmba.com

Total raised: $1.32B across 4 sourced rounds

All 4 rounds ↓
Website: cesiumastro.com.
X: @cesiumastro · 1,320 followers.
LinkedIn: linkedin.com.
Categories: Robotics and hardware Defense and security Manufacturing and industrial.
Sectors: Aerospace, Drones, Embedded Systems, Military, Satellite Communication.
Stage: Series B+.
Based in: Austin, United States.
Founded: 2017.
Total raised: $1.32B in 4 sourced rounds.
Last round: Nov 8, 2026 · 4 days ago.
Headcount: 501–1000 employees.
On Recent Funding since: Nov 9, 2026.

Signals

X account@cesiumastro · created Feb 23, 2018 (8 years old) · 1,320 followers
Website registeredJan 16, 2017 (9 years old)
TIMELINE · MONEY RAISED

CesiumAstro | 1871 days from website to first raise on record

@cesiumastro·Raised $1325M in 4 sourced rounds·2 signals before the first raise
$331M$663M$994M$1325MFEBJUNOCTFEBJUNOCTFEBJUN$1325M||WEBSITE CREATED · JAN 16, 2017||X ACCOUNT CREATED @CESIUMASTRO · FEB 23, 2018$60M Series B+ · Mar 2, 2022$60M B+ · MAR '22$65M Series B+ · Jun 18, 2024$65M B+ · JUN '24$470M Series B+ · Feb 2, 2026$470M B+ · FEB '26$730M Series B+ · Nov 8, 2026$730M B+ · NOV '26

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

  1. Series B+ · $730M
    JJanus Henderson (lead)
    Source: fourweekmba.com
  2. Series B+ · $470M
    TTrousdale Ventures (lead), AAirbus Ventures, AAlumni Ventures, DDevelopment Bank of Japan, EEDBI, JJanus Henderson Investors, MMesh, NNewSpace Capital, WWoven Capital
    Source: businesswire.com
  3. Series B+ · $65M
    TTrousdale Ventures (lead), AAlumni Ventures, DDevelopment Bank of Japan, IInMotion Ventures, KKleiner Perkins, LL3Harris Technologies, LLavrock Ventures, MMatter Venture Partners, MMesh, QQuanta Computer
    Source: vcaonline.com
  4. Series B+ · $60M
    AAirbus Ventures (lead), FForever Ventures (lead), FFranklin Resources, HHeico, KKleiner Perkins, LL3Harris Technologies, LLavrock Ventures
    Source: spacenews.com
  5. X account created
  6. Website created

Founders and team

Acquisitions

Acquired companyPriceAnnounced
11AardvarkNot disclosed · satellitetoday
JJariet TechNot disclosed publicly
VVidrovrNot disclosed · Pulse 2.0
TTXMissionNot disclosed publiclyDate not given

Investors

Companies like CesiumAstro

Other companies backed by Janus Henderson

Janus Henderson portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/cesiumastro (get a free API key).

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