Space Infrastructure & On-Orbit Services
Companies building infrastructure and services that operate in-orbit, including optical networks, satellite servicing, and space domain awareness.
CAPITAL FIGURES ARE MEDIA-EXTRACTED ESTIMATES, NOT VERIFIED FILINGS.
EXTRACTED FROM 25+ PODCASTS & VC NEWSLETTERS · MEDIA-REPORTED FIGURES, NOT VERIFIED FILINGS
Defense-grade capital cementing space domain awareness category
The space domain awareness (SDA) and orbital security category is attracting the largest and most strategically motivated capital in the sector. True Anomaly secured a $650M Series D — one of the largest pure-play space defense rounds on record — while Digantara continues building orbital data services and LeoLabs provides commercial collision avoidance intelligence to operators like Impulse Space and Vast. The U.S. Space Force remains the anchor customer across this cluster, de-risking revenue for investors. This convergence of defense procurement, orbital sensing, and commercial space traffic management is cementing SDA as a standalone, high-value infrastructure category rather than an ancillary feature.
The placement of compute directly in orbit is accelerating from concept to funded reality. Google and Planet are preparing to send TPU chips to space on the SpaceX Transporter-18 rideshare mission, while Cowboy Space is building solar-powered orbital data centers and Orbital (the new LA startup) is equipping satellites with GPUs for AI inference in orbit. Muon Space raised a Series C with Seraphim participating, adding to the growing roster of in-orbit compute and sensing platforms. These moves collectively signal that sovereign and commercial actors view orbital compute not as a research curiosity but as critical AI infrastructure.
Why it matters · Operators who control orbital compute nodes will have decisive latency and data-sovereignty advantages, potentially commanding the same platform leverage that hyperscaler cloud regions enjoy on the ground.
With $7.7B deployed across only 21 deals in the last 28 days, average round size exceeds $366M — a figure skewed by Iceye's €1B raise at a €10B valuation led by General Atlantic and Impulse Space's $500M Series D. The stage mix reveals that 'unknown' and Series D+ rounds account for over $37B of the last 90-day total, dwarfing seed and Series A combined. Meanwhile velocity is flat at -0.24, confirming that deal count is not growing — capital is simply concentrating into fewer, larger bets on proven operators.
Why it matters · For emerging space startups, the funding bar is rising sharply; only companies with demonstrated orbital operations or defensible government revenue are accessing the mega-round tier.
Vast is contracting Impulse Space for its full propulsion system, Exolaunch handles launch mission management in partnership with SpaceX, and Applied Aerospace & Defense filed for a ~$3.6B IPO as a pure-play hardware supplier to space and defense primes. Rendezvous Robotics is developing self-assembling magnetic tiles for on-orbit construction, extending the vertical stack further. These relationships signal that the industry is moving from component suppliers toward vertically integrated service stacks where a single provider or tight partnership controls launch, propulsion, on-orbit operations, and re-supply.
Why it matters · Vertically integrated stacks create winner-take-most dynamics; investors in platform companies at the stack's center capture economics from every layer above and below.
SpaceX priced its historic IPO at $135/share with first trades at $150/share, cracking open a liquidity window that the sector has lacked since the SPAC wave collapsed in 2022. Quantum Space is pursuing a SPAC reverse merger, and Applied Aerospace & Defense is targeting up to $682.5M in IPO proceeds at a ~$3.6B market valuation. Irenic Acquisition Corp. raised $220M specifically to target aerospace and defense targets. These parallel liquidity paths — traditional IPO, SPAC, and strategic acquisition (Astro Digital acquired by Proem Acquisition Corp I) — are creating multiple exit vectors simultaneously.
Why it matters · Revived liquidity options will re-accelerate LP appetite for space venture, potentially pulling forward the next cycle of seed and Series A formation in the sector.