August 2026 AI Funding Roundup

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$24.8B+ raised across 126 deals in August 2026. Nebius, Firmus, Thrive Holdings lead the pack. Figures cover rounds reported in USD. 2 rounds (€21M) are excluded: no published dollar figures exist for them.

$15.7B
Total Raised
10
Deals
$1.6B
Avg Deal Size
#1
Nebius logo
Nebius
AI Infrastructure
Convertible

AI infrastructure funding tracker: Nebius raised $4.3B in 2026's largest rounds. Compare top AI deals, mega-rounds & latest June 2026 raises.

$4.3B
Aug 19, 2026
HQ: San Francisco, CA

Investors

Undisclosed (Lead)
View Company Profile
#2
Firmus logo
Firmus
AI Infrastructure

Builds and operates AI-optimized data centers and infrastructure to support large-scale compute workloads, backed by Nvidia and funded with $505M.

$2.0B
Aug 7, 2026
HQ: San Francisco, CA

Investors

Undisclosed (Lead)
View Company Profile
#3
Thrive Holdings logo
Thrive Holdings
Enterprise AI

The company brings OpenAI-backed artificial intelligence capabilities to enterprise customers seeking to adopt AI across business operations.

$2.0B
Val: $12.0B
Aug 12, 2026
HQ: San Francisco, CA

Investors

Undisclosed (Lead)
View Company Profile
#4
Hadrian logo
Hadrian
AI Robotics
Series D

Builds highly automated factories for precision industrial manufacturing, aiming to accelerate U.S. production capacity.

$1.4B
Val: $7.9B
Aug 7, 2026
HQ: Los Angeles, United States

Investors

Undisclosed (Lead)
View Company Profile
#5
River AI logo
River AI
Enterprise AI
Seed and Series A

Develops artificial intelligence products, with its specific platform and customer focus not disclosed in the available funding context.

$1.1B
Aug 11, 2026
HQ: San Francisco, CA

Investors

2026 River AI (Lead)
View Company Profile
#6
Base Power logo
Base Power
Climate Tech
Series D

Provides home battery systems that aggregate residential backup power into distributed grid infrastructure for utilities and homeowners.

$1.0B
Val: $13.0B
Aug 3, 2026
HQ: Austin, United States

Investors

Undisclosed (Lead)
View Company Profile
#7
Valar Atomics logo
Valar Atomics
Deep Tech
Series B

Develops atomic energy infrastructure intended to supply large-scale power for AI-era compute and other high-demand industrial users.

$1.0B
Val: $6.0B
Aug 4, 2026
HQ: San Francisco, CA

Investors

Undisclosed (Lead)
View Company Profile
#8
Domyn logo
Domyn
Foundation Models & AGI

Develops AI models for organizations seeking advanced generative AI capabilities, backed by a more than $1 billion financing round.

$1.0B
Aug 20, 2026
HQ: Milan, Italy

Investors

Undisclosed (Lead)
View Company Profile
#9
Lambda logo
Lambda
AI Hardware
Private debt

Provides AI computing infrastructure and GPU cloud services for organizations building, training, and deploying machine learning models.

$1.0B
Aug 28, 2026
HQ: San Francisco, United States

Investors

Undisclosed (Lead)
View Company Profile
#10
Dogotix logo
Dogotix
AI Robotics

Develops humanoid robots as XPeng Motors’ robotics unit, applying embodied AI to human-form robotic systems.

$900M
Val: $6.3B
Aug 24, 2026
HQ: San Francisco, CA

Investors

Undisclosed (Lead)
View Company Profile

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