Douglass Winthrop Advisors’s SIGMA - ALDRICH CORP SIAL Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2015
Q4
Sell
2015
Q3
$7.55M Sell
2015
Q2
$7.91M Hold
2015
Q1
$7.91M Sell
2014
Q4
$7.93M Sell
2014
Q3
$8M Hold
2014
Q2
$5.96M Sell
2014
Q1
$5.63M Hold
2013
Q4
$5.67M Sell
2013
Q3
$5.2M Buy
2013
Q2
$4.85M Buy