X0306 4/A 2015-01-30 2015-02-04 false 0001284812 COHEN & STEERS INC CNS 0001181496 COHEN MARTIN 280 PARK AVENUE, 10TH FLOOR NEW YORK NY 10017 true true true false Executive Chairman Common Stock 2015-01-30 4 A false 9880 0 A 10220369 D Common Stock 2015-01-30 4 D false 48141 42.91 D 10172228 D Includes 9,880 restricted stock units (RSUs) mandatorily deferred by CNS from the reporting persons annual incentive performance bonus. Dividends paid on CNS common stock are reflected in additional RSUs on such deferred RSUs. The deferred RSUs vest ratably over four years, and the dividend RSUs vest on the fourth anniversary of the grant date. Represents the withholding by CNS of a sufficient number of shares of common stock to satisfy the reporting persons tax obligations upon the vesting and delivery of previously reported RSUs. This amendment is being filed to correct the total number of shares of common stock owned directly by the reporting person. /s/Francis C. Poli, Attorney-in-Fact 2015-02-19