This week’s largest confirmed IT financings were concentrated in the physical and computational layers that support enterprise AI. Data-center capacity, inference hardware, and software that improves workload economics drew the most substantial checks, while the week produced fewer sizable standalone announcements in cybersecurity and IT service management.
Taken together, the lineup points to a market still funding capacity and efficiency first. The deals below are ranked by disclosed amount and limited to confirmed financings or facilities announced between Aug. 17 and Aug. 21.
Flexential
Round: Credit facility | Sector: Cloud
The data-center operator secured an $800 million credit facility on Aug. 18 to support more than 130 megawatts of new capacity across Atlanta, Portland and Denver, with the financing upsized from a $500 million target. The 11-bank syndicate included TD Securities, RBC Capital Markets and JPMorgan as coordinating arrangers, alongside equity sponsors GI Partners and MSIP. The facility gives Flexential additional room to expand in markets where enterprise and AI workloads are competing for power, land and connectivity, but it also keeps execution and utilization central to the investment case.
Groq
Round: Series A | Sector: Cloud
Groq closed a $350 million Series A on Aug. 17, led by Disruptive, with planned participation from NVIDIA, at a reported $3.5 billion valuation. The round supports the company’s shift from selling inference chips as a standalone proposition toward operating a cloud service built around large NVIDIA clusters, a move that puts delivery capacity and software utilization alongside silicon in the enterprise buying decision.
Velaura AI
Round: Series A | Sector: Semiconductors
Velaura AI raised $110 million in Series A financing on Aug. 18 at a valuation above $1 billion, with Seligman Ventures leading and Capricorn Investment Group, Mayfield, Maverick Silicon, MARA, Premji Invest, Samsung Catalyst Fund and StepStone participating. The company is developing low-power silicon and software for AI data centers and physical AI, so the funding addresses a concrete constraint in scaling compute, energy consumption and deployment economics.
Callosum
Round: Seed | Sector: AI Infrastructure
Callosum raised $100 million in seed financing on Aug. 20, led by Atomico with participation from Plural, DCVC and the UK Sovereign AI Fund. Its software is designed to match AI workloads with models and chips based on cost, speed and energy requirements, a practical layer for enterprises facing a growing gap between inference demand and infrastructure budgets.
Trajectory
Round: Series A | Sector: AI Infrastructure
Trajectory raised $40 million in Series A financing on Aug. 17 at a reported $300 million post-money valuation, led by Sequoia Capital with participation from NVIDIA and Bessemer Venture Partners. The company is building infrastructure for automated model tuning and agent optimization, which positions the round around improving the performance and economics of systems enterprises are already being asked to operate.
The Weekly Funding Pulse tracks the most significant IT infrastructure, cloud, semiconductor, networking, and ITSM funding rounds each week. Coverage is curated for enterprise IT professionals and decision-makers.

