SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

GABELLI & Co INVESTMENT ADVISERS, INC.'s Holding History (CIK: 0000932724)

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

Q3 2015
Shares 316,010 Value ($000) $43,900 Avg Close — Range —
Q2 2015
Shares 245,601 Value ($000) $34,224 Avg Close — Range —
Q1 2015
Shares 193,831 Value ($000) $26,797 Avg Close — Range —
Q4 2014
Shares 131,468 Value ($000) $18,047 Avg Close — Range —
Q3 2014
Shares 84,200 Value ($000) $11,452 Avg Close — Range —