Week in Space Data, every Friday.
Portal Space is developing the Supernova orbital transfer vehicle, having raised $17.5 million in seed funding for a 50,000-square-foot factory.
ACTIVEPortal Space Systems, headquartered in Bothell, Washington, is developing the Supernova spacecraft for high delta-v maneuverability, multi-orbit operations and refuelability, targeting a 2027 debut mission. It followed a $17.5 million seed round (2025) with a $50 million Series A in April 2026 and is building a 52,000-square-foot manufacturing facility in Bothell.
Portal Space develops the Supernova orbital transfer vehicle for last-mile satellite delivery and in-space logistics. The company secured $17.5M in seed funding, operates a 50,000 sqft manufacturing facility, and plans an on-orbit demonstration mission in 2026.
Rank 74 of 93 ranked companies. With the pillars we have not measured for this company filled at the 10th and 90th percentiles of the companies we did measure, and every other company held at its published total, the rank is likely between 65 and 82.
4 of 7 inputs measured · Medium confidence · 81% of applicable weight backed by data
Not measured: Market value, Reported revenue
Not measured: Open-role change (90 days)
A pillar score averages the company’s percentiles among the tracked companies with a value: relative standing, not a grade. Inputs measured 2026-10-14 (UTC) · methodology v6. Every input, its value and percentile · How it is computed
The Space Score ranks companies relative to each other on public data we hold. It describes; it does not rate, forecast or recommend. It is not a credit rating and not investment advice. Full disclaimer
Sources: Founded, Headquarters, CEO, Employees, Legal name
For information only, not investment advice. SpaceNexus is not a registered investment adviser, broker or dealer, and nothing here is a recommendation to buy, sell or hold any security. Data may be delayed, estimated or incomplete; check the source before acting. Full disclaimer
2 private rounds on record. Debt, grants, state capital, owner funding and acquisitions are listed under Funding history by class and not added in.
Highly maneuverable, refuelable spacecraft using solar thermal propulsion, built for multi-orbit missions, rapid repositioning, cislunar logistics and payload delivery. First flight booked for 2028 on a Falcon 9.
Checking for a discussion…
Compiled Oct 14, 2026 from 3 public records. Every figure links the record it comes from.
Sourced rounds on record
2 rounds, $67.5M disclosed
Every round has a disclosed amount
Published rounds with a source link only, on the same rules as the funding tracker. Each round links the source that states its figure; amounts in other currencies are converted to dollars at the rate shown on the funding tracker.
Open roles
12 open roles
90 days ago: before our daily count began (Aug 13, 2026)
Roles on the company's own jobs board, read by our daily sync. Listings posted or paid for on SpaceNexus are not counted. Earlier daily counts include every listed role.
Source: Company jobs board (Greenhouse)
Counted Oct 13, 2026
AlleyCorp
Recorded as lead of Seed (Apr 3, 2025)
Payload, Apr 3, 2025
APA
SpaceNexus. (2026, October 14). Portal Space: Company dossier [Data set]. Retrieved October 14, 2026, from https://spacenexus.us/company-profiles/portal-space
Chicago
SpaceNexus. "Portal Space: Company dossier." Data as of October 14, 2026. Accessed October 14, 2026. https://spacenexus.us/company-profiles/portal-space.
BibTeX
@misc{spacenexus_portalspace_2026,
author = {{SpaceNexus}},
title = {{Portal Space}: Company dossier},
year = {2026},
month = oct,
howpublished = {\url{https://spacenexus.us/company-profiles/portal-space}},
url = {https://spacenexus.us/company-profiles/portal-space},
urldate = {2026-10-14},
note = {Data as of 2026-10-14; each fact links its primary source}
}