Antora Energy Raises $550 Million to Expand Thermal Battery Production
The industrial energy company plans to manufacture more systems that store renewable electricity as high-temperature heat and dispatchable power.
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Clean Energy Startup TerraVolt Raises $65M to Scale Grid Storage
The round is led by an infrastructure fund making its first venture-stage commitment.
Eliyan Reaches $1 Billion Valuation With $145 Million Series C
The Santa Clara startup is building chiplet and licensing technology designed to move data faster between AI processors, memory and networking systems.
Aina Raises $5.5 Million for AI-Native Interface Hardware
The startup founded by former Ultrahuman hardware executive Apoorv Shankar is developing physical controls intended to direct AI agents.
Chai Discovery Raises $400 Million for AI-Designed Medicines
The molecular design startup reached a $3.8 billion valuation while expanding partnerships with major drugmakers.
Together AI Raises $800 Million at an $8.3 Billion Valuation
The open-model infrastructure company plans to expand training and inference services as enterprises seek alternatives to closed AI platforms.
Mirendil Raises $200 Million to Build Self-Improving AI for Scientists
Two former Anthropic and Google researchers launched the company at a $1 billion valuation with backing from Andreessen Horowitz, Kleiner Perkins and Nvidia.
Baseten Raises $1.5 Billion at a $13 Billion Valuation
The AI infrastructure company is using its fourth financing in 18 months to expand model inference services for enterprise customers.
Architect Labs Raises $24 Million to Speed Custom Chip Design
The Palo Alto startup is using AI to help companies define specialized processors before the expensive physical design and manufacturing stages.
Prometheus Raises $12 Billion to Pursue AI for Physical Engineering
The secretive company led by Jeff Bezos and Vik Bajaj is valued at $41 billion before revealing much about its technology or customers.
SonoThera Raises $125 Million for Ultrasound-Delivered Genetic Medicines
The biotechnology company plans to move nonviral treatments for Duchenne muscular dystrophy and polycystic kidney disease toward clinical testing.
Altara Raises $7 Million to Bring AI Into Physical Science Workflows
The San Francisco startup wants to organize fragmented research and manufacturing data across semiconductors, batteries and advanced materials.
Ulysses Raises $38 Million to Scale Autonomous Ocean Fleets
The marine robotics company is pairing underwater vehicles with surface vessels and launch systems for commercial and defense missions.
Aria Networks Launches With $125 Million for AI-Native Networking
The startup is building software intended to let data-center networks adapt automatically to changing AI workloads.
OpenAI Closes $122 Billion Round at an $852 Billion Valuation
The financing gives the San Francisco AI company an extraordinary capital base, while placing equal pressure on revenue growth, infrastructure execution and product focus.
EPIC Microsystems Raises $21 Million to Tackle AI Data Center Power Loss
The San Jose chip startup is betting that a shorter, vertical path for electricity can remove a growing bottleneck inside high-performance AI systems.
AmberSemi Raises $30 Million for More Efficient AI Power Delivery
The Dublin, California semiconductor company plans to commercialize a component that moves power vertically toward high-performance processors.
Kai Emerges With $125 Million for Security Across IT and Industrial Systems
The San Jose startup is developing agentic cybersecurity software meant to connect defenses across corporate networks and operational technology.
Ayar Labs Raises $500 Million to Scale Optical Links for AI Chips
The semiconductor startup is moving its co-packaged optics technology toward volume production as data centers demand faster, more efficient connections.
SambaNova Raises $350 Million and Signs Multi-Year Intel Partnership
The Palo Alto AI infrastructure company will use the capital to expand its SN50 chip and SambaCloud platform as demand grows for alternatives in inference computing.
The Biological Computing Co. Raises $25 Million to Develop Neuron-Based Computers
The Mission Bay startup is building laboratory systems that use living neurons for AI workloads, an ambitious alternative to conventional silicon.
Lunar Energy Adds $232 Million to Scale Home Batteries and Virtual Power Plants
The Mountain View company plans to expand domestic manufacturing and coordinate more residential batteries as electricity demand strains the grid.