ALLIED WRLD ASSUR COM HLDG A

CUSIP: H01531104 Class: SHS

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

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

Q1 2017
Shares 17,774 Value ($000) $944 Avg Close — Range —
Q4 2016
Shares 17,929 Value ($000) $963 Avg Close — Range —
Q3 2016
Shares 20,248 Value ($000) $818 Avg Close — Range —
Q2 2016
Shares 20,130 Value ($000) $707 Avg Close — Range —
Q1 2016
Shares 17,105 Value ($000) $598 Avg Close — Range —
Q4 2015
Shares 19,688 Value ($000) $732 Avg Close — Range —