Murphy & McGonigle has taken up residence at 1185 Avenue of the Americas, between 46th and 47th streets.

The 41-lawyer securities litigation firm—about 15 of whom are in New York—has a 10-year lease with SL Green Realty Corp. for 27,231 square feet, the entire 21st floor of the 42-story, more than 1-million-square-foot class-A tower.