Real estate investment firm First Atlantic Capital has acquired a mixed use office building in Soho for $33.5 million. The six-story, 16,000 square-foot property on Lafayette Street traded for just under $2,094 per square foot. The property’s seller, Stellar Management, bought the asset in 2013, paying $10.9 million. The property was 100 percent leased at the time of the sale with tenants including Dunkin Donuts, beauty website Into the Gloss and marketers Mission Media.