OM ASSET MGMT PLC

CUSIP: G67506108 Class: SHS

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

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

Q4 2017
Shares 3,558,745 Value ($000) $59,609 Avg Close — Range —
Q3 2017
Shares 3,405,176 Value ($000) $50,805 Avg Close — Range —
Q2 2017
Shares 3,393,659 Value ($000) $50,430 Avg Close — Range —
Q1 2017
Shares 3,238,293 Value ($000) $48,963 Avg Close — Range —
Q4 2016
Shares 2,956,304 Value ($000) $42,866 Avg Close — Range —
Q3 2016
Shares 3,606,231 Value ($000) $50,163 Avg Close — Range —
Q2 2016
Shares 3,536,361 Value ($000) $47,210 Avg Close — Range —
Q1 2016
Shares 3,476,045 Value ($000) $46,405 Avg Close — Range —
Q4 2015
Shares 3,565,381 Value ($000) $54,657 Avg Close — Range —