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Net Loss Per Share Attributable to Adaptive Biotechnologies Corporation Common Shareholders | 3 Months Ended
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Mar. 31, 2022
Earnings Per Share [Abstract] |
Net Loss Per Share Attributable to Adaptive Biotechnologies Corporation Common Shareholders |
1 3. | Net Loss Per Share Attributable to Adaptive Biotechnologies Corporation Common Shareholders
The following table sets forth the computation of the basic and diluted net loss per share attributable to our common shareholders for the three months ended March 31, 2022 and 2021 (in thousands, except share and per share amounts):
|  | Three Months Ended March 31, |
|  | 2022 |  |  | 2021 |
Net loss attributable to Adaptive Biotechnologies Corporation |  | $ | (62,736 | ) |  | $ | (40,642 | )
Weighted-average shares used in computing net loss per share attributable to Adaptive Biotechnologies Corporation common shareholders, basic and diluted |  |  | 141,697,252 |  |  |  | 138,967,754 |
Net loss per share attributable to Adaptive Biotechnologies Corporation common shareholders, basic and diluted |  | $ | (0.44 | ) |  | $ | (0.29 | )
Given the loss position for all periods presented, basic net loss per share attributable to our common shareholders is the same as diluted net loss per share attributable to our common shareholders, as the inclusion of all potential shares of common stock outstanding would have been anti-dilutive. The following weighted-average common stock equivalents were excluded from the calculation of diluted net loss per share attributable to our common shareholders for the three months ended March 31, 2022 and 2021 as they had an anti-dilutive effect:
|  | Three Months Ended March 31, |
|  | 2022 |  |  | 2021 |
Stock options outstanding |  |  | 13,255,459 |  |  |  | 13,516,949 |
Nonvested restricted stock units |  |  | 2,587,492 |  |  |  | 238,583 |
Maximum nonvested market-based restricted stock units eligible to be earned |  |  | 153,762 |  |  |  | — |
Common stock warrant |  |  | — |  |  |  | 34,757 |
Total |  |  | 15,996,713 |  |  |  | 13,790,289 |

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