IPO timelines have also increased by 30% since 2015. Companies are staying private longer thanks to abundant private capital and a frosty IPO market.
Overall M&A and IPO activity grew slightly in 2025 year-over-year, but remained below 2021’s peak.
See how private markets are evolving in CB Insights' State of Venture 2025 report.
Hot: World models for AVs
Waymo just unveiled the Waymo World Model, built on Google DeepMind's Genie 3. This allows the company to generate realistic 3D simulations for its autonomous vehicles, reducing the need for real-world testing miles.
Earnings call mentions of "world models" spiked in Q4'25, up from near zero in early 2021, as companies across robotics and AVs converge on physical AI as a competitive edge.