HOUSTON-Atlanta-based Songy Partners Ltd. and Boston-based Charlesbank Capital Partners LLC have closed a second purchase from a $500-million fund, honing in on a 155,000-sf office building in Houston. The duo has paid $15.5 million for the former Landmark Graphics building, sitting on 11 acres at 15150 Memorial Dr.

The building once housed Landmark Graphics, which was acquired six years ago by Halliburton Energy Sources. Landmark has since relocated to 2101 Citywest Blvd.

CEO David Songy tells GlobeSt.com that the fund is looking at additional acquisition opportunities in Houston, elsewhere in Texas, Georgia and Florida. Earlier this year, the buying partners acquired a 150,000-sf building in Boca Raton, FL.

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