
	Three Months Ended March 31,
(in millions, except per share data)	2026		2025
Numerator:
Net income attributable to IQVIA Holdings Inc.	$	274	$	249
Denominator:
Basic weighted average common shares outstanding	168.4		175.7
Effect of dilutive stock options and share awards	1.4		1.7
Diluted weighted average common shares outstanding	169.8		177.4
Earnings per share attributable to common stockholders:
Basic	$	1.63	$	1.42
Diluted	$	1.61	$	1.40

Stock-based awards will have a dilutive effect under the treasury method when the respective period's average market value of the Company's common stock exceeds the exercise proceeds. Performance awards are included in diluted earnings per share based on if the performance targets have been met at the end of the reporting period.

For the three months ended March 31, 2026 and 2025, the weighted average number of outstanding stock-based awards not included in the computation of diluted earnings per share because they are subject to performance conditions that have not been met at the end of the reporting period or the effect of including such stock-based awards in the computation would be anti-dilutive was 2.2 million and 2.2 million, respectively.