Portal Space Systems

Bothell, WA · Founded 2021 · Privately Held (backing)

Provider of space maneuverability services intended to empower the next generation of space operators to maintain space superiority. Portal Space Systems is based in Bothell, WA and was founded in 2021. It is valued at about $217 million as of Oct 2026, set by institutional fund marks, down 13% since its later-stage round in Mar 2026. It has raised $80 million across 1 recorded round; the latest was a $61.5 million later-stage round in Mar 2026.

PMV mark · valuation
$217.5M
Oct 2026
Since last round
-13%
Mar 2026
Total raised
$80.0M
Last round
Later Stage VC
Mar 2026

Who backs Portal Space Systems?

15 investors
InvestorType
AlleyCorpVenture capital
Offline VenturesVenture capital
Geodesic CapitalGrowth equity
Fuse (Seattle)Other
First In—
WorldQuant VenturesOther
Mach33 Asset ManagementAsset manager
ARK Investment Management—
Atypical Partner—
Booz Allen Ventures—
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Portal Space Systems investors

15 investors are on record for Portal Space Systems, including AlleyCorp, Offline Ventures, Geodesic Capital and Fuse (Seattle). The later-stage round in Mar 2026 drew 32 investors.

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