No. 1
$250M
Amount raised
Muon Space
Series C·Spacetech·United States
Muon Space is Builds satellite constellations for space-based data and monitoring.
Muon Space raised a $250 million Series C to expand production toward 500 satellites annually.

The Daily Raise/August 21, 2026
Friday, August 21, 2026
5 startup funding rounds surfaced since our last edition, $295.3M raised in total. Muon Space tops the day with $250M in Series C funding. The ranking runs all the way down to $819K, with startups from United States, New Zealand, United Kingdom.
The rounds leading today's news · 5 rounds
No. 1
$250M
Amount raised
Series C·Spacetech·United States
Muon Space is Builds satellite constellations for space-based data and monitoring.
Muon Space raised a $250 million Series C to expand production toward 500 satellites annually.

No. 2
$20M
Amount raised
Announced Aug 20Series A·Aug 20
FSH Technologies raised $20 million in Series A funding.
No. 3
$19.5M
Amount raised
Series A·Electric marine transport·New Zealand
Vessev is Builds commercially certified electric hydrofoiling passenger vessels.
Vessev raised NZ$32.6 million to accelerate VS-9 production, expand its go-to-market team, develop onboard software, and support larger vessels. The round was led by Blackbird Ventures, with participation from GD1, Rypples, K1W1.

No. 4
$5M
Amount raised
Ocean robotics·United Kingdom·Aug 21
Oshen is Builds autonomous robot swarms for persistent monitoring of the oceans.
Oshen secured €4.27 million to scale manufacturing of autonomous ocean-monitoring robots for naval, weather and scientific customers. The round was led by Lunar Ventures, with participation from AlbionVC, Twin Track, Concept Ventures.
No. 5
$819K
Amount raised
Climate technology·United Kingdom·Aug 21
HexSeed Technology is Develops diamond coatings that cool gallium nitride semiconductor chips.
HexSeed Technology raised more than £600,000 to validate diamond cooling coatings on commercial GaN devices and begin pilot trials. The round was led by Carbon13, with participation from Net Zero Technology Centre, Vento Ventures.
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