Physical tech and AI startups dominate U.S. funding, with MiRus raising $1.5 billion for orthopedic implants and Hark securing $700 million for personalized AI devices.

MiRus, a medical device company developing implants and treatment systems for musculoskeletal disorders, raised $1.5 billion in a corporate round led by Boston Scientific, which received a 34% equity stake. The Marietta, Georgia-based company has raised $1.6 billion to date.

Hark, a 1-year-old AI startup based in San Jose, California, secured $700 million in a Series A round led by Parkway Venture Capital, with participation from Nvidia, Intel Capital, AMD, Qualcomm Ventures, ARK Investment Management, Prime Movers Lab, Salesforce Ventures 1 and Align Ventures. The company says it is building 'advanced personalized intelligence and next-generation hardware' and plans to release a product later this summer.

Nine other startups across AI infrastructure, aerospace, fintech, and retail technology also announced major rounds this week, ranging from $150 million to $355 million, bringing the week's total of top 10 deals to over $3.5 billion.