HOUSTON — San Francisco-based investment and management firm Stockbridge Capital Group has sold a portfolio of four industrial properties totaling 936,608 square feet in Houston. The portfolio consists of the 206,483-square-foot Astro Business Park in south Houston; the 225,475-square-foot asset located at 5990-6018 Griggs Road; the 298,081-square-foot McCarty Business Park; and the 206,569-square-foot property located at 8710-8798 Westpark Drive on the city’s southwest side. The portfolio was 95 percent leased at the time of sale. Trent Agnew and Rusty Hamlyn of HFF represented the Stockbridge Capital in the sale. ATCAP Fund I LP, the investment vehicle of Dallas-based ATCAP Partners, purchased the portfolio for an undisclosed price. HFF’s Brian Carlton and Cameron Cureton also secured an undisclosed amount of acquisition financing for the transaction through Global Atlantic Financial Group.