D L CARLSON INVESTMENT GROUP INC - SIGMA ALDRICH CORP ownership

SIGMA ALDRICH CORP's ticker is SIAL and the CUSIP is 826552101. A total of 545 filers reported holding SIGMA ALDRICH CORP in Q1 2015. The put-call ratio across all filers is 2.28 and the average weighting 0.4%.

Quarter-by-quarter ownership
D L CARLSON INVESTMENT GROUP INC ownership history of SIGMA ALDRICH CORP
ValueSharesWeighting
Q3 2015$502,000
-14.5%
3,610
-14.3%
0.20%
-4.2%
Q2 2015$587,000
-30.4%
4,210
-30.9%
0.21%
-29.3%
Q1 2015$843,000
-9.4%
6,095
-10.0%
0.30%
-10.7%
Q4 2014$930,000
-7.6%
6,775
-8.4%
0.34%
-10.6%
Q3 2014$1,006,000
-63.5%
7,400
-72.8%
0.38%
-62.5%
Q2 2014$2,757,000
+7.0%
27,170
-1.5%
1.00%
+3.6%
Q1 2014$2,577,000
-4.9%
27,595
-4.2%
0.97%
-2.0%
Q4 2013$2,709,000
-9.5%
28,815
-17.8%
0.99%
-13.9%
Q3 2013$2,992,000
+4.9%
35,075
-1.1%
1.15%
+0.3%
Q2 2013$2,851,00035,4501.14%
Other shareholders
SIGMA ALDRICH CORP shareholders Q1 2015
NameSharesValueWeighting ↓
SHAYNE & JACOBS, LLC 118,322$11,123,0009.27%
REIK & CO., LLC 154,608$14,535,0005.25%
CAPITAL COUNSEL LLC/NY 914,471$85,969,0004.81%
MCDANIEL TERRY & CO 185,142$17,405,0004.40%
America First Investment Advisors, LLC 95,329$8,962,0004.19%
Fundsmith 443,414$59,298,0003.68%
COMPASS CAPITAL MANAGEMENT, INC 167,409$15,738,0003.17%
PROFESSIONAL ADVISORY SERVICES INC 126,427$11,885,0003.09%
Stack Financial Management, Inc 233,449$21,947,0002.91%
CARDEROCK CAPITAL MANAGEMENT INC 54,344$5,109,0002.68%
View complete list of SIGMA ALDRICH CORP shareholders