PORTOLA PHARMACEUTICALS INC

CUSIP: 737010108 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q1 2020
Shares 23,198 Value ($000) $165 Avg Close — Range —
Q4 2019
Shares 62,255 Value ($000) $1,487 Avg Close — Range —
Q2 2016
Shares 33,685 Value ($000) $795 Avg Close — Range —
Q1 2016
Shares 127,057 Value ($000) $2,592 Avg Close — Range —
Q4 2015
Shares 963,524 Value ($000) $49,573 Avg Close — Range —
Q3 2015
Shares 387,451 Value ($000) $16,513 Avg Close — Range —
Q2 2015
Shares 378,399 Value ($000) $17,236 Avg Close — Range —
Q1 2015
Shares 297,219 Value ($000) $11,282 Avg Close — Range —
Q2 2014
Shares 3,903 Value ($000) $114 Avg Close — Range —