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Portal Space Systems reported raising $61.5 Million in an initial SEC Form D filing, from an offering of $72.4 Million

PRIVATEMar 26, 2026$61.5M of $72.4M raised

Amount Raised

$61.5 Million

$61.5 Million sold, per SEC Form D (first sale Mar 11, 2026)

Round Type

Venture

BothellTransportationAerospaceSatellite Communication

Investors

GeodesicFuseAlleycorpARK InvestBooz Allen VenturesMach33Geodesic Capital

Quick answer

Portal Space Systems raised $61.5 Million in a funding round, dated March 11, 2026. Investors: Geodesic, Fuse, Alleycorp, ARK Invest, Booz Allen Ventures, Mach33 and Geodesic Capital. Portal Space Systems is based in Bothell, Washington, United States.

How much did Portal Space Systems raise?
Portal Space Systems raised $61.5 Million in a funding round on March 11, 2026.
Who invested in Portal Space Systems?
Geodesic, Fuse, Alleycorp, ARK Invest, Booz Allen Ventures, Mach33 and Geodesic Capital are named as investors in this round.
What does Portal Space Systems do?
Portal Space Systems is a Seattle-based space start-up solving the need for mobility in space.
Where is Portal Space Systems based and how big is it?
Portal Space Systems is based in Bothell, Washington, United States. Fundz records about 13 employees.
Who are the decision-makers at Portal Space Systems?
Fundz holds 2 contacts at Portal Space Systems, including the Head of Marketing and Commercial Business Development. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Transportation and Aerospace around the same time

Companies in the same sectors as Portal Space Systems that raised within 45 days of this round, from Fundz verified event records.

  • Stoke Space raised $350M (Series D) on February 10, 2026.
  • Stoke Space raised $510M (Series D) on January 26, 2026.
  • Beta Technologies raised $7.1M on April 2, 2026.
  • Antaris raised $28M (Series A) on March 16, 2026.
  • Intuitive Machines raised $175M (Post-IPO Equity) on February 28, 2026.
  • ISPTech raised $6.5M (Seed) on February 27, 2026.

Who to call at Portal Space Systems, and when

A new round usually means Portal Space Systems is about to hire and buy. The teams that reach out first get the meeting.

  • An alert the day Portal Space Systems raises, hires an executive or expands, scored against what you sell
  • The decision-makers there, with verified emails
  • Who you already know at Portal Space Systems, from your own LinkedIn network

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Company Information

Company

Portal Space Systems

Location

Bothell, Washington, United States

About

Portal Space Systems is a Seattle-based space start-up solving the need for mobility in space. Our flagship product, the Supernova satellite bus, is engineered for rapid and long-range in-space maneuverability. Our payload-agnostic, 500 kg spacecraft features a novel solar-thermal propulsion system, which enables a remarkable six km/s delta-v, a 50X improvement over existing products on the market. The company was founded in 2021 by industry leader Jeff Thornburg, alongside COO Ian Vorbach and VP of Engineering Prashaanth Ravindran. We are on a mission to empower the next generation of space operators to maintain space superiority.

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Related People

2 contacts
Verified contactsJen, Head of Marketing and Commercial Busine… hidden hiddenSee plans and pricing
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Portal Space Systems raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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