US startups closed 23 notable funding rounds totaling $3.1B for the week ending July 25, 2026, according to AlleyWatch's weekly tracker. One deal dominated: Atoms, the robotics company co-founded by Uber's Travis Kalanick, raised $3B. Strip that out and the remaining 22 deals total just $100M combined.
Atoms pulls nearly all the oxygen
Atoms, headquartered in Los Angeles, builds industrial robotics and physical AI systems. Kalanick founded the company with Sky Dayton in 2016. The $3B round brings total funding to $3B and includes Andreessen Horowitz, Bain Capital Ventures, Fifth Wall, and SV Angel. Uber itself is among the backers.
The round dwarfs everything else on the list. The second-largest was Etched, a San Jose-based AI chip startup, which closed a round bringing its total to $925.4M. Sequoia Capital and Andreessen Horowitz again appeared on the cap table.
AI and security themes persist
Six of the 23 deals involved companies explicitly building AI products. Meshy AI, a Sunnyvale platform for generating 3D models from text prompts, has now raised $450M. Glow, a Palo Alto endpoint security startup founded in 2025, reached $175M in total funding with Sequoia, Index Ventures, and Redpoint among its backers.
Security startups featured prominently. Abstract Security (data management for compliance analytics) hit $48.5M. Empirical Security (vulnerability prioritization) reached $36.9M. Neo Security also appeared on the week's list, though AlleyWatch did not disclose details.
Healthcare drew capital too. Candid Health, which automates revenue cycle billing, reached $219.8M total. Crystalys Therapeutics, a clinical-stage company targeting gout, closed at $335M. Karoo Health, focused on value-based cardiovascular care, hit $20.6M.
New infrastructure plays emerge
Natural, a San Francisco fintech building payments infrastructure for AI agents, raised to $39.8M total. The company, founded in 2025, counts Logan Paul and Jake Paul among its backers. Gritt, a Belmont construction robotics firm, reached $32.4M with backing from First Round Capital and Union Square Ventures.
Logicity's Take
The Atoms round skews this week's numbers to the point of meaninglessness for trend-watchers. Twenty-two other deals averaging under $5M each suggests late-stage mega-rounds are pulling capital away from earlier stages. For founders raising Series A or B, the practical market remains tight. The clustering around AI infrastructure and cybersecurity reflects where LPs see defensible moats, but the presence of celebrity backers in payments infrastructure (Natural) hints at frothier pockets.
Another large European tech funding round in the quantum/AI compute space
What this signals for founders
Mega-rounds like Atoms suggest capital is available, but concentrated. The median deal on this list likely sits in the low tens of millions. Founders outside AI, security, or robotics will find a thinner field of active investors. Those in crowded verticals should expect longer due diligence cycles and more scrutiny on unit economics.
The week's data also shows investors still backing companies founded as recently as 2025. Glow, Natural, and Crystalys Therapeutics all closed significant rounds within a year or two of founding. Speed to market still matters, but the capital behind it increasingly comes from established firms like Sequoia, a16z, and Index rather than new entrants.
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Source: AlleyWatch
Huma Shazia
Senior AI & Tech Writer
Produced with AI assistance and reviewed by the Logicity editorial team. Learn more in our Editorial Policy.
