Isaac Newton University Lodge No 859 is a Masonic Lodge based at the University of Cambridge for matriculated members of the university. As of 2013 there were approximately 200 members. This is about half the 397 subscribing members in 1955. The lodge meets at Bateman Street Masonic Hall, with the lodge's badge or standard a combination of Isaac Newton's coat of arms and the University of Cambridge's coat of arms. The lodge is also a member of the Association of Medical, University, and Legal Lodges.