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Units Outstanding
 12 Months Ended
Dec. 31, 2016
Equity [Abstract]  
Units Outstanding
Units Outstanding

Changes in AB Holding Units outstanding for the years ended December 31, 2016 and 2015 are as follows:

 
2016
 
2015
Outstanding as of January 1,
100,044,485

 
100,756,999

Options exercised
358,262

 
541,073

Units issued
4,455,944

 
4,600,583

Units retired
(8,206,501
)
 
(5,854,170
)
Outstanding as of December 31,
96,652,190

 
100,044,485