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

3 Months Ended

Mar. 31, 2018

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

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,
	2018		2017
Stock options to purchase common stock		7,293,733		6,585,143
Performance stock options		163,481		180,752
Common stock warrants		1,500		1,500
Restricted stock units		646,125		631,743
Performance stock units		393,225		369,118
Employee stock purchase plan		12,391		5,816