Deals & DealmakersInvestment firm Betterment Holdings takes 16,909 s/f at 53 W. 23rd St.REWOctober 28, 2016 by REWOctober 28, 201601568 Adams & Co. Real Estate completed a 16,909 s/f lease at 53 West 23rd Street for Betterment Holdings Inc. The automated investment company is opening