We took a break from covering the largest U.S. startup investments over Thanksgiving week, which was just as well, given that it was a predictably slow period for big deal announcements. Now, with just a few weeks left in 2025, things are picking up again.
Predictions market Kalshi led the list after confirming its already widely reported $1 billion fresh financing. Other big rounds came from sectors including defense tech, AI infrastructure, cybersecurity and biotech. READ MORE