SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

WESTWOOD HOLDINGS GROUP INC's Holding History (CIK: 0001165002)

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

Q4 2013
Shares 1,511,989 Value ($000) $142,142 Avg Close — Range —
Q3 2013
Shares 1,472,159 Value ($000) $125,575 Avg Close — Range —
Q2 2013
Shares 1,464,045 Value ($000) $117,739 Avg Close — Range —