UCSF has purchased 409/499 Illinois from Alexandria for $767 million. The university already occupies much of 499, and will be turning 409 into a new home for the school of dentistry to move it out of the Parnassus campus.
https://www.ucsf.edu/news/2025/12/431231/ucsf-announces-new-home-school-dentistry-mission-bay