BEDFORD, MASS. — JLL has negotiated the sale of the Xchange at Bedford, a 479,000-square-foot creative R&D and life science campus in Bedford. The property sold for $107.7 million. JLL represented the seller, The Davis Companies, in the transaction. A partnership between Jumbo Capital Management and Sound Mark Partners purchased the eight-building office campus. The Xchange was 89 percent leased to five tenants at the time of sale. The campus is anchored by iRobot’s 272,000-square-foot long-term lease, which runs through 2030. iRobot is an advanced technology company that produces the Roomba Robot Vacuum.