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Units Outstanding (Tables)
3 Months Ended
Mar. 31, 2017
Equity [Abstract]  
Changes in Holding Units Outstanding
Changes in AB Holding Units outstanding during the three-month period ended March 31, 2017 are as follows:

Outstanding as of December 31, 2016
96,652,190

Options exercised
262,819

Units issued
907,449

Units retired
(1,349,254
)
Outstanding as of March 31, 2017
96,473,204