HORIZON PHARMA PLC

CUSIP: G4617B105 Class: SHS

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

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

Q1 2019
Shares 6,942,357 Value ($000) $183,486 Avg Close — Range —
Q4 2018
Shares 6,672,792 Value ($000) $130,386 Avg Close — Range —
Q3 2018
Shares 10,601,147 Value ($000) $207,570 Avg Close — Range —
Q2 2018
Shares 9,937,326 Value ($000) $164,562 Avg Close — Range —
Q1 2018
Shares 9,309,275 Value ($000) $132,192 Avg Close — Range —
Q4 2017
Shares 8,826,079 Value ($000) $128,861 Avg Close — Range —
Q3 2017
Shares 7,867,665 Value ($000) $99,762 Avg Close — Range —
Q2 2017
Shares 1,984,612 Value ($000) $23,557 Avg Close — Range —