Income per Share

3 Months Ended

Mar. 31, 2017

The following is a summary of basic and diluted income per share (in thousands, except share and per share amounts):



	Three Months Ended March 31,
	2017		2016
Net income available to common stockholders	$	66,145	$	39,125
Weighted average shares outstanding—basic	159,297,027		146,565,564
Potentially dilutive common shares:
Stock options	4		11,286
Unvested incentive units	237,336		122,601
Forward equity offering	283,388		—
Market performance-based awards	603,900		733,743
Weighted average shares outstanding—diluted	160,421,655		147,433,194
Income per share:
Basic	$	0.42	$	0.27
Diluted	$	0.41	$	0.27

We have excluded the following potentially dilutive securities in the calculations above as they would be antidilutive or not dilutive:



	Three Months Ended March 31,
	2017	2016
Weighted average of Operating Partnership common units not owned by Digital Realty Trust, Inc.	2,177,874	2,482,234
Potentially dilutive Series E Cumulative Redeemable Preferred Stock	—	3,345,087
Potentially dilutive Series F Cumulative Redeemable Preferred Stock	1,783,083	2,121,447
Potentially dilutive Series G Cumulative Redeemable Preferred Stock	2,438,074	2,900,732
Potentially dilutive Series H Cumulative Redeemable Preferred Stock	3,572,744	4,250,720
Potentially dilutive Series I Cumulative Redeemable Preferred Stock	2,440,928	2,904,126
Total	12,412,703	18,004,346