PORTOLA PHARMACEUTICALS INC

CUSIP: 737010108 Class: COM

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q1 2020
Shares 9,999,290 Value ($000) $71,295 Avg Close — Range —
Q4 2019
Shares 7,249,072 Value ($000) $173,108 Avg Close — Range —
Q3 2019
Shares 6,858,941 Value ($000) $183,957 Avg Close — Range —
Q2 2019
Shares 4,997,224 Value ($000) $135,575 Avg Close — Range —
Q1 2019
Shares 4,154,870 Value ($000) $144,174 Avg Close — Range —
Q4 2018
Shares 2,932,813 Value ($000) $57,249 Avg Close — Range —
Q3 2018
Shares 1,822,048 Value ($000) $48,521 Avg Close — Range —