Net Income Per Unit

12 Months Ended

Dec. 31, 2015

Basic net income per unit is derived by reducing net income for the 1% general partnership interest and dividing the remaining 99% by the basic weighted average number of units outstanding for each year. Diluted net income per unit is derived by reducing net income for the 1% general partnership interest and dividing the remaining 99% by the total of the diluted weighted average number of units outstanding for each year.



	Year Ended December 31,
	2015		2014		2013
	(in thousands, except per unit amounts)
Net income attributable to AB Unitholders	$	586,602	$	570,383	$	517,676

Weighted average units outstanding—basic	271,745		269,118		271,258
Dilutive effect of compensatory options to buy AB Holding Units	1,037		1,148		961
Weighted average units outstanding—diluted	272,782		270,266		272,219

Basic net income per AB Unit	$	2.14	$	2.10	$	1.89
Diluted net income per AB Unit	$	2.13	$	2.09	$	1.88

For the years ended December 31, 2015, 2014 and 2013, we excluded 2,409,499, 2,806,033 and 2,923,035 options, respectively, from the diluted net income per unit computation due to their anti-dilutive effect.