Net Loss per Share Attributable to Portola Common Stockholders (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Outstanding Shares of Common Stock Equivalents Excluded from Computation of Diluted Net Loss per Share

The following outstanding shares of common stock equivalents were excluded from the computation of diluted net loss per share attributable to Portola Common Stockholders for the periods presented because including them would have been antidilutive:

	Three Months Ended March 31,
	2020	2019
Stock options to purchase common stock	8,800,595	8,331,332
Performance stock options	694,543	624,321
Common stock warrants	1,500	1,500
Restricted stock units	1,787,748	1,179,480
Performance stock units	865,500	108,127
Employee stock purchase plan	273,559	14,619