Upwind, which filters false security alerts in cloud apps so companies can focus on actual risks, raised $300M at a $3.8B valuation, up from $1.5B in January (Meir Orbach/CTech)

Upwind, a cloud-app security platform that filters false alerts, secured a $300 million funding round, lifting its valuation to $3.8 billion from $1.5 billion in January. Nvidia announced a $12.9 billion acquisition of open-source AI platform Hugging Face, its second-largest deal after the $20 billion purchase of Groq assets.