The Virginia Research Libraries (VRL) group recently cancelled their big deal with Elsevier in favor of smaller a-la-carte journal title subscriptions. Those institutions include:
The Scholarly Publishing and Academic Resources Coalition (SPARC) tracks big deal cost data and cancellations. Their database currently lists a growing number of institutions cancelling subscriptions with Elsevier since data collection began in 2002. This list includes a prestigious and well-sourced R1 institutions, multi-library consortia systems, and even entire countries.
SPARC* Cancellation Tracking Data