60 funding rounds were announced in AI and adjacent startups between Aug 17 to Aug 23, totalling $11B in disclosed capital. Here is what actually moved, which funds led it, and what each company does.
The week in one chart
Where the money went: AI Infrastructure (5 rounds, $5.5B), Cloud Infrastructure (1 round, $4.5B), Managed Kubernetes (1 round, $4.5B), Artificial Intelligence (23 rounds, $1.8B), Defense (4 rounds, $1.1B).
The largest rounds
| Company | Stage | Raised | Sector | Country |
|---|---|---|---|---|
| Nebius Group | Other | $4.5B | Cloud Infrastructure | Israel |
| Domyn | Debt and structured | $1.1B | Artificial Intelligence | Italy |
| Castelion | Series C | $1.0B | Defense | United States |
| Etched | Other | $700M | AI Infrastructure | United States |
| Fractile | Other | $600M | Semiconductors | United Kingdom |
| Temporal | Other | $500M | Workflow Automation | United States |
| Groq | Series A | $350M | n/a | n/a |
| Starcloud | Series A | $250M | SpaceTech | United States |
| Muon Space | Series C | $250M | Aerospace | USA |
| Gravis Robotics | Series A | $200M | Robotics | Israel |
| Gossamer Bio | Other | $150M | n/a | n/a |
| Also | Series D+ | $150M | Content Management | USA |
Company by company
Nebius Group, $4.5B, Other. Cloud infrastructure and AI services provider for businesses and developers. Our profile scores it 34 out of 100.
Domyn, $1.1B, Debt and structured. Italian AI model maker Our profile scores it 46 out of 100.
Castelion, $1.0B, Series C. Defense startup mass-producing affordable hypersonic missile systems for the U.S. military, founded by ex-SpaceX engineers. Led by Andreessen Horowitz (a16z) and Carlyle. Our profile scores it 60 out of 100.
Etched, $700M, Other. Etched is building the hardware for superintelligence by burning the transformer architecture into their chips. Led by Jane Street. Our profile scores it 60 out of 100.
Fractile, $600M, Other. UK-based AI chip startup developing specialized inference hardware to accelerate AI models. Led by Lightspeed Venture Partners and Redpoint Ventures LP. Our profile scores it 50 out of 100.
Temporal, $500M, Other. Open-source platform for reliable, scalable, and observable distributed applications. Our profile scores it 62 out of 100.
Groq, $350M, Series A. Developer of legacy systems designed to address the industry's demands while accelerating developer velocity altogether; the company's systems are det Led by Disruptive AI. Our profile scores it 53 out of 100.
Starcloud, $250M, Series A. Building orbital data centers for AI. Led by Manhattan West. Our profile scores it 38 out of 100.
Who wrote the cheques
The most active funds this week, counting leads double: Lightspeed Venture Partners (led 1), Andreessen Horowitz (a16z) (led 1), Khosla Ventures (led 2), Softbank (led 1), Sequoia Capital, Eclipse Ventures (led 1).
Method
Every round here was announced between Aug 17 to Aug 23 and is linked to a company profile we maintain, so the sector and country columns come from the profile rather than the press release. 53 of 60 rounds disclosed a size; undisclosed rounds are counted but contribute nothing to the totals. Rounds whose cited source no longer resolves are excluded, as are 5 duplicate filings of a round already counted.