SHAWCOR LTD

CUSIP: 820439107 Class: Common Stock

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

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

Q2 2017
Shares 452,013 Value ($000) $9,216 Avg Close — Range —
Q1 2017
Shares 419,733 Value ($000) $12,252 Avg Close — Range —