SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q3 2015
Shares 14,819 Value ($000) $2,058 Avg Close — Range —
Q2 2015
Shares 20,745 Value ($000) $2,891 Avg Close — Range —
Q1 2015
Shares 27,597 Value ($000) $3,812 Avg Close — Range —
Q4 2014
Shares 21,790 Value ($000) $2,985 Avg Close — Range —