SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q3 2015
Shares 1,538,587 Value ($000) $213,740 Avg Close — Range —
Q2 2015
Shares 1,542,203 Value ($000) $214,906 Avg Close — Range —
Q1 2015
Shares 1,606,991 Value ($000) $222,167 Avg Close — Range —
Q4 2014
Shares 1,654,487 Value ($000) $227,112 Avg Close — Range —
Q3 2014
Shares 1,716,893 Value ($000) $233,514 Avg Close — Range —
Q2 2014
Shares 1,714,353 Value ($000) $173,972 Avg Close — Range —
Q1 2014
Shares 1,777,675 Value ($000) $166,000 Avg Close — Range —
Q4 2013
Shares 1,712,287 Value ($000) $160,973 Avg Close — Range —
Q3 2013
Shares 1,743,936 Value ($000) $148,758 Avg Close — Range —
Q2 2013
Shares 1,870,198 Value ($000) $150,401 Avg Close — Range —