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Company pair · Aerospace & Defense
VS

Boom Supersonic vs Starcloud

Aerospace & Defense Both private US-headquartered No Canborsa market

This comparison puts Boom Supersonic next to Starcloud within aerospace-defense on size, funding and trajectory.

On this pageSide by sideValuation marksWhat each disclosesVerdictFAQ
Boom SupersonicPRIVATE · US
StarcloudPRIVATE · US
VS
Last valuation$1.5B$2.3B
Basis Post-money Post-money
Employees≈150≈15
On CanborsaNo marketNo market
At a glance
$1.5B
Boom SupersonicPost-money, Funding Round · Dec 2025
$2.3B
StarcloudPost-money, Series B (unnamed extension)
1.53×
GapBoth post-money
0 of 2
On CanborsaNeither company has a market
VS
Head-to-head · field by field

Boom Supersonic vs Starcloud — side by side

Field
Boom SupersonicPRIVATE · FOUNDED —
StarcloudPRIVATE · FOUNDED 2024
VS
Last valuation
$1.5B Post-money
$2.3B Post-money
Valuation basis
Post-money
Post-money
Latest round
Funding Round
Series B (unnamed extension)
Round size
$300M
$250M
Round lead
Darsana Capital Partners, Altimeter Capital
Cisco, Benchmark
Named investors
Wyle Electronics EZFlight SoftBank Vision Fund
NVIDIA Cisco Benchmark EQT Ventures
Employees (est.)
≈150
≈15
Sector & HQ
Aerospace · US
Space / orbital data centers · US
Status & market
Private — no Canborsa market
Private — no Canborsa market
Valuation · both companies on one scale

Valuation marks

Each bar is the last disclosed mark — $1.5B for Boom Supersonic (post-money, Dec 2025) and $2.3B for Starcloud (post-money).

Boom Supersonic
$1.5BPost-money · Dec 2025
Starcloud
$2.3BPost-money · undated
BOOM SUPERSONIC · $1.5B · DEC 2025STARCLOUD · $2.3B · UNDATED
Boom Supersonic vs Starcloud · what each company discloses

What each company discloses, and what it leaves out

Boom SupersonicPRIVATEAerospace & Defense · US · —
+Last disclosed mark $1.5B — post-money, Dec 2025.
+≈150 employees.
+Latest round: Funding Round, $300M raised, led by Darsana Capital Partners.
+
StarcloudPRIVATEAerospace & Defense · US · 2024
+Last disclosed mark $2.3B — post-money.
+Founded 2024 .
+≈15 employees.
+Latest round: Series B (unnamed extension), $250M raised, led by Cisco.
+
Verdict

Verdict

The $1.5B tells you…
What an investor paid for newly issued shares — a primary round, priced post-money.
How much capital arrived with it:$300M, led by Darsana Capital Partners in Dec 2025.
A dated print: it moves only when a newer round is announced.
The $2.3B tells you…
What an investor paid for newly issued shares — a primary round, priced post-money.
How much capital arrived with it:$250M, led by Cisco.
A dated print: it moves only when a newer round is announced.

Both marks are post-money, so 1.53× compares like with like. Both are private: there is no public quote and no Canborsa market on either name.

Frequently asked questions

Are Boom Supersonic and Starcloud in the same sector?›

Boom Supersonic operates in Aerospace, and Starcloud operates in Space / orbital data centers.

What is Boom Supersonic's valuation versus Starcloud's?›

Boom Supersonic is valued at $1.5B, and Starcloud at $2.3B.

How much capital have Boom Supersonic and Starcloud raised in total?›

Boom Supersonic has raised $710.1M across 10 rounds, and Starcloud has raised $467.4M across 5 rounds.

Who funded Boom Supersonic compared to Starcloud?›

Boom Supersonic's lead investors include Darsana Capital Partners and Altimeter Capital, and Starcloud's include Benchmark and EQT Ventures.

Is Boom Supersonic or Starcloud a public company?›

Boom Supersonic is private, and Starcloud is private.

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