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Shares Used in Computing Net Income Per Share Attributable to Fiserv, Inc. | 9 Months Ended
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Sep. 30, 2025
Earnings Per Share [Abstract] |
Shares Used in Computing Net Income Per Share Attributable to Fiserv, Inc. | Shares Used in Computing Net Income Per Share Attributable to Fiserv, Inc. The computation of shares used in calculating basic and diluted net income per share is as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(In millions) | 2025 |  | 2024 |  | 2025 |  | 2024
Weighted-average common shares outstanding used for the calculation of net income attributable to Fiserv, Inc. per share - basic | 540.2 |  |  | 573.7 |  |  | 550.8 |  |  | 582.5 |
Common stock equivalents | 1.6 |  |  | 3.2 |  |  | 2.2 |  |  | 3.2 |
Weighted-average common shares outstanding used for the calculation of net income attributable to Fiserv, Inc. per share - diluted | 541.8 |  |  | 576.9 |  |  | 553.0 |  |  | 585.7 |
For the three and nine months ended September 30, 2025, restricted stock units for 1.3 million and 956 thousand shares, respectively, were excluded from the calculation of weighted-average outstanding shares - diluted because their impact was anti-dilutive. For both the three and nine months ended September 30, 2024, restricted stock units excluded from the calculation of weighted-average outstanding shares - diluted were not significant.

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