The sculpture collection consists of works by national and international artists, mostly working in the 1960s and 1970s, including important individual pieces by Joseph Cornell, Jean Arp, Anthony Caro, Alan Kirili, Italo Scanga, and Dieter Roth.
Included is a seminal work by Lee Bontecou: Untitled, 1962. It is one of a small group of highly expressive wall-mounted sculptural constructions made between 1959 and 1967, and consists of welded steel parts, saw teeth, wire, and canvas arranged around a large black aperture.
Also in the collection are a group of sculptures by Spanish artist Arman and a selection of early glass and fluorescent works by renowned glass artist Dale Chihuly. Significant works from the 1980s including pieces by Tom Otterness, Christian Eckart, and, foremost, Richard Artschwager.