Portal Space Systems has raised $17.5 million in seed funding to accelerate the development of its Supernova spacecraft powered by solar heating, led by AlleyCorp. The funding will support the first full-scale demonstration scheduled for mid-2026.
Amount Raised
$17.5 Million
Round Type
Seed
BothellTransportationAerospaceSatellite CommunicationInvestors
Description
Bothell, Wash.-based Portal Space Systems says it has raised $17.5 million in seed funding to accelerate the development of its Supernova space vehicle, which aims to harness the heat of the sun to power rapid-response maneuvers in orbit. The oversubscribed investment round was led by AlleyCorp, with participation from Mach33, FUSE, First In, TFX, Offline Ventures, Atypical and other strategic investors. Portal said the funding will support the first full-scale demonstration of Supernova, with launch scheduled for mid-2026. This funding is a testament to the increasing recognition that maneuverability at will is the critical need in both defense and commercial space operations.
Quick answer
Portal Space Systems raised $17.5 Million in a Seed round, dated April 3, 2025. Investors: First In, Fuse, Alleycorp, Atypical, Offline Ventures, Mach33 and Tfx. Portal Space Systems is based in Bothell, Washington, United States.
- How much did Portal Space Systems raise?
- Portal Space Systems raised $17.5 Million in a Seed round on April 3, 2025.
- Who invested in Portal Space Systems?
- First In, Fuse, Alleycorp, Atypical, Offline Ventures, Mach33 and Tfx 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.
- Momentus raised $248K (Pre-Seed) on April 24, 2025.
- World View raised an undisclosed amount on May 8, 2025.
- Aircastle Limited raised $600M (Funding Round) on May 5, 2025.
- Northwood Space raised $30M (Series A) on April 22, 2025.
- Electra.aero raised $115M (Series B) on April 21, 2025.
- TCab Tech raised an undisclosed amount (Series B) on March 27, 2025.
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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Related People
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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