PORTOLA PHARMACEUTICALS INC

CUSIP: 737010108 Class: COM

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

Note: Option positions (PUT/CALL) are excluded.

Q1 2018
Shares 440,000 Value ($000) $14,370 Avg Close — Range —
Q3 2017
Shares 7,870 Value ($000) $425 Avg Close — Range —
Q2 2017
Shares 7,870 Value ($000) $442 Avg Close — Range —
Q1 2017
Shares 57,870 Value ($000) $2,268 Avg Close — Range —
Q2 2015
Shares 111,103 Value ($000) $5,061 Avg Close — Range —
Q1 2015
Shares 355,000 Value ($000) $13,476 Avg Close — Range —
Q4 2014
Shares 25,000 Value ($000) $708 Avg Close — Range —