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CesiumAstro

https://www.cesiumastro.com/

Last activity: 09.08.2026

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Categories: AerospaceAICommunicationsConnectivityDefenseHardwareSatelliteSoftwareSpaceTechTelecom

CesiumAstro builds high-throughput, plug-and-play phased array communication payloads for space and airborne platforms. Cesium’s full-stack, multi-mission hardware and software products enable a diverse range of commercial and defense objectives.

Full-system engineering design is at the heart of every Cesium product. We deliver high-performance solutions under rapid development timelines with a combination of:

• Adaptable, software-defined modules with multi-mission utility.
• “Plug-and-play” design that lowers the cost of integration.
• Modern, rugged electronic components.
• A rigorous “test like you fly” philosophy.
• A commercial-like industrialization approach.

Followers

326

Followers

2.24K

Mentions

Location: United States

Employees: 51-200

Total raised: $695.5M

Founded date: 2017

Twitter

Investors 4

Date	Name	Website
-	Trousdale ...	trousdale....
-	Lavrock Ve...	lavrockvc....
-	IronGate C...	irongatevc...
09.08.2026	SPARX Asse...	space.spar...

Funding Rounds 5

Date	Series	Amount	Investors
03.02.2026	Series C	$470M	Airbus Ven...
25.06.2024	Series B	$65M	-
02.08.2022	-	$88M	-
03.03.2022	Series B	$60M	-
18.03.2019	Series A	$12.5M	-

Mentions in press and media 33

Date	Title	Description
03.02.2026	CesiumAstro Secures $470M for AI-Enabled Space and Defense Expansion	CesiumAstro, an Austin-based leader in space and defense communications, closed a $470M Series C. This capital infusion fuels expanded manufacturing and AI-enabled communications. It scales Element LEO satellite production and grows global ...
03.02.2026	CesiumAstro: $470 Million Series C Closed To Scale AI-Enabled Space And Defense Communications	CesiumAstro announced it has secured $470 million in Series C growth capital to accelerate U.S. expansion and global deployment of its software-defined, AI-enabled space communications platforms. The Austin, Texas-based space and defense co...
03.02.2026	CesiumAstro Closes $470M in Series C	AUSTIN, TX, CesiumAstro Inc. announced it secured $470 million in growth capital. >> Click here for more funding data on CesiumAstro >> To export CesiumAstro funding data to PDF and Excel, click here CesiumAstro Inc. announced ...
02.02.2026	CesiumAstro Closes $470M in Series C Funding	CesiumAstro, an Austin, TX-based company developing connectivity solutions for space and defense, raised $470M in Series C funding. The round consisted of a $270M in equity, led by Trousdale Ventures, with participation from Woven Capital, ...
02.02.2026	Satellite maker CesiumAstro raises $470M to grow its manufacturing capacity Send us a News Tip EXTRACT THE SIGNAL FROM THE NOISE Cookies	Aerospace startup CesiumAstro Inc. today announced that it has raised $470 million to finance manufacturing and product development initiatives. More than half the sum was provided in the form of an equity funding round led by Trousdale Ven...
02.02.2026	CesiumAstro Bags $470M Ahead of SpaceX Satellites	CesiumAstro just landed $470 million to fuel its next phase of growth. This isn’t just another funding round; it’s a bold move as the company gets ready to take on some of the biggest names in the industry, like SpaceX, and their sprawling ...
26.06.2024	CesiumAstro: Revolutionizing Space Communications Technology with $65 Million in Series B+ Funding	CesiumAstro, a prominent player in the space communications technology sector, recently announced the successful closure of a substantial $65 million Series B+ funding round. This significant milestone was achieved with the support of leadi...
25.06.2024	CesiumAstro: Space Communications Company Secures $65 Million In Series B+	CesiumAstro, a leading provider of space communications technology, announced the closing of a $65 million Series B+ funding round. This funding round was led by Trousdale Ventures, with matching participation from the Development Bank of J...
24.06.2024	CesiumAstro Completes $65M Series B+	AUSTIN, TX, CesiumAstro, a leading provider of space communications technology, has raised a $65 million Series B+ funding round. >> Click here for more funding data on CesiumAstro >> To export CesiumAstro funding data to PDF a...
18.06.2024	CesiumAstro Raises $65M in Series B Funding	CesiumAstro’s Founder and CEO, Shey Sabripour, pictured in the company’s Austin, Texas, New Product Introduction facility. Photo credit: Melissa Glynn CesiumAstro Inc., an Austin, TX-based provider of space communications technology, closed...
19.04.2024	CesiumAstro claims former exec spilled trade secrets to upstart competitor AnySignal	CesiumAstro alleges in a newly filed lawsuit that a former executive disclosed trade secrets and confidential information about sensitive tech, investors and customers to a competing startup. Austin-based Cesium develops active-phased array...
20.03.2023	Max Q: Maybe next time	Hello and welcome back to Max Q! In this issue: An “operational pause” at Virgin Orbit Behold: New moon suits! News from Project Kuiper and more At Virgin Orbit, it never should’ve come to a staff furlough CNBC broke the bombshell news that...
03.03.2022	CesiumAstro lands $60M	CesiumAstro has raised a $60 million Series B co-led by Airbus Ventures and Forever Ventures. Founded in 2017 and based in Austin, the startup offers aerospace communication systems for commercial and defense applications. It has raised nea...
02.03.2022	Hiring, more launches into space on tap after CesiumAstro raises $60M	-
02.03.2022	CesiumAstro raises $60 million in Series B funding round	SAN FRANCISCO – CesiumAstro Inc. raised $60 million in a Series B funding round led by Airbus Ventures and Forever Ventures. L3Harris Technologies also participated in the round alongside existing CesiumAstro investors: Kleiner Perkins, Lav...
02.03.2022	CesiumAstro Secures $60M in Series B Funding	CesiumAstro’s Founder and CEO, Shey Sabripour, holds the company’s Nightingale active phased array communications platform which sets a new standard for commercial, civil, and defense applications. (Source: CesiumAstro) CesiumAstro, Inc., a...
02.03.2022	Space tech startup CesiumAstro secures $60M led by Airbus to usher in a new era in space communications and sensing	About a decade ago, governments and companies used to spend millions of dollars on large satellites the size of a garbage truck. Some of these satellites cost as much as $400 million. Now, satellites are no larger than a microwave or even a...
02.03.2022	CesiumAstro secures $60 mln in funding from Airbus Ventures and others	CesiumAstro Inc, a startup that builds hardware and software for aerospace communications, said on Wednesday it has raised $60 million in funding from investors including Airbus Ventures and Kleiner Perkins. Austin-based CesiumAstro’s produ...
02.03.2022	CesiumAstro Scoops Up $60M Series B Round	AUSTIN, TX, CesiumAstro, a developer of advanced aerospace communication systems, has secured $60 million in an oversubscribed Series B funding round. >> Click here for more funding data on CesiumAstro >> To export CesiumAst...
29.11.2021	Happy Cyber Monday: Score 2-for-1 passes to TC Sessions Space 2021	Kicking yourself for missing out on our Black Friday sale? Welcome to our no-regrets 2-for-1 Cyber Monday deal on passes to TC Sessions: Space 2021. Buy your pass before this sale expires on November 29 at 11:59 pm (PT), and you’ll score a ...
15.11.2021	Announcing the early-stage space startups exhibiting at TC Sessions: Space 2021	We’ve packed plenty of excitement into TC Sessions: Space 2021 — from iconic space leaders like Rocket Labs’ Peter Beck and Accion’s Natalya Bailey to influential check-writers like Bessemer Ventures’ Tess Hatch and Sequoia’s Shaun Maguire....
16.09.2020	Top 10 Space Technology startups across the world	Founder: Nathan Kundtz
18.03.2019	CesiumAstro Secures $12.4M in Series A Funding	CesiumAstro, Inc., an Austin, Texas-based provider of high-performance multi-beam active phased array communication systems for space and airborne platforms, closed a $12.4m Series A funding. The round was led by Airbus Ventures, with parti...
15.03.2019	CesiumAstro nabs $12.5M	CesiumAstro, the developer of an electronic communication system for satellites and other airborne vehicles, has raised a $12.5 million Series A led by Airbus Ventures. Founded in 2017 and based in Austin, the business plans to use the fund...
14.03.2019	Daily funding roundup - March 14th, 2019	StoryFit raised $1.75M; CryptoNumerics raised $2.5M; Gencove raised $3M; Fi $7M StoryFit: StoryFit puts the power of artificial intelligence in the hands of publishers and studios. StoryFit has raised $1.75 million in new funding led by ff ...
14.03.2019	Term Sheet — Thursday, March 14	‘THE SIDE DOOR’ The college admissions cheating saga continues. New details are emerging around the scam, in which 50 people were accused for paying bribes to get their children into elite schools. Paid Content Securing the enterprise witho...
14.03.2019	Satellite payload startup Cesium Astro raises $12.4 million from Airbus Ventures and others to build out-of-the-box communication systems for satellites and UAVs	Cesium Astro, a satellite payload startup building out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space or airborne platforms, has raised $12.4 million in a Series A round led by Airbus’ venture capita...
13.03.2019	CesiumAstro Raises $12.4 Million in Series A	AUSTIN, Texas--(BUSINESS WIRE)--CesiumAstro, Inc., pioneer of “out-of-the-box” high-performance multi-beam active phased array communication systems for space and airborne platforms, has announced the closing of a $12.4 million Series A fun...
13.03.2019	CesiumAstro Raises $12.4M in Series A	AUSTIN, TX, CesiumAstro has announced the closing of a $12.4 million Series A funding round led by Airbus Ventures. >> Click here for more funding data on CesiumAstro >> To export CesiumAstro funding data to PDF and Excel, c...
-	Manage your consent preferences Space communications tech company CesiumAstro raises $65M	-
-	Manage your consent preferences Hiring, more launches into space on tap after CesiumAstro raises $60M	-
-	CesiumAstro	“CesiumAstro builds high-throughput, software-defined phased array communication payloads for airborne and in-orbit platforms.”
-	CesiumAstro	“CesiumAstro delivers scalable satellites, terminals, and software-defined systems for the missions that matter—built for performance, ready to deploy.”

CesiumAstro

Investors 4

Funding Rounds 5

Mentions in press and media 33

Reviews 0