Organization · Venture Capital
Space Infrastructures Ventures
Space Infrastructures Ventures (SIV) is a holding company that invests in high-tech companies within the space sector, focusing on the Low Earth Orbit economy. It employs a strategy of minority stake investments, mergers, and acquisitions to support transformational companies.
Overview
What Space Infrastructures Ventures does
What Space Infrastructures Ventures is
Space Infrastructures Ventures (SIV) is a holding company that invests in high-tech companies within the space sector, focusing on the Low Earth Orbit economy. It employs a strategy of minority stake investments, mergers, and acquisitions to support transformational companies.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Venture Capital
- Structured capabilities
- Funder
- Last reviewed
- May 5, 2026
Official channels
Find Space Infrastructures Ventures elsewhere
Open the official website or a supported primary organization account.
Capability profile
Space Infrastructures Ventures as a funder
Investment thesis
Space Infrastructures Ventures supports transformational companies applying disruptive technologies to address challenges in the Low Earth Orbit economy and beyond.
Focus narrative
SIV invests in companies at all development stages that have a clear and promising roadmap within the Low Earth Orbit (LEO) economy. The organization targets high-tech and space-tech ventures that apply innovative solutions to emerging problems, ensuring a robust infrastructure for future space endeavors.
Value beyond capital
SIV adds value to its portfolio companies by providing strategic guidance, fostering organic growth, and facilitating mergers and acquisitions. The firm leverages its expertise in the space sector to support companies in navigating the complexities of the LEO economy and beyond.
Terms and economics
- Typical check
- $3,000,000
Focus and fit
- Stages
- Pre-seed · Seed · Series A · Series B
- Regions
- North AmericaEurope
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 7
Portfolio context
Notable companies in the SIV portfolio include: Orbital Outpost X: Develops a low-cost multi-nodal interface to connect space assets modularly. Space Robotics Workers: Focuses on developing robotic arms for satellite repair missions. Momentus: Specializes in in-space transportation solutions. Celestia: Works on next-generation satellite ground systems and technologies. TTI: Develops radiofrequency and antenna products. Space Real Estate Investment Trust: Engages in the first space-focused real estate investment trust. C-MTS: Provides positioners and mechanisms for space applications.
Common questions
What to know about Space Infrastructures Ventures
Upseed classifies Space Infrastructures Ventures under the Venture Capital organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
May 5, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.