Summit was formed by the merger of See Technologies and TSSI in 1994.
In 1996 Summit went public, offering 4 million shares at $9.50 per share.
A planned merger with OrCAD was terminated in 1999.
In 2000 Viewlogic and Summit Design merged to form Innoveda. In 2002, when Innoveda was acquired by Mentor, the system-level design unit spun back out, reforming Summit Design (new).
