New England Research & Management, Inc. - SIGMA ALDRICH CORP ownership

SIGMA ALDRICH CORP's ticker is SIAL and the CUSIP is 826552101. A total of 522 filers reported holding SIGMA ALDRICH CORP in Q4 2013. The put-call ratio across all filers is 0.28 and the average weighting 0.3%.

Quarter-by-quarter ownership
New England Research & Management, Inc. ownership history of SIGMA ALDRICH CORP
ValueSharesWeighting
Q3 2015$301,000
-0.3%
2,1680.0%0.29%
+15.8%
Q2 2015$302,000
+0.7%
2,1680.0%0.25%
-4.3%
Q1 2015$300,000
+0.7%
2,1680.0%0.26%
+0.8%
Q4 2014$298,000
+1.0%
2,1680.0%0.26%
-0.8%
Q3 2014$295,000
+34.1%
2,1680.0%0.26%
+31.0%
Q2 2014$220,000
+8.9%
2,1680.0%0.20%
+6.5%
Q1 2014$202,000
-1.0%
2,1680.0%0.18%
-6.1%
Q4 2013$204,0002,1680.20%
Other shareholders
SIGMA ALDRICH CORP shareholders Q4 2013
NameSharesValueWeighting ↓
SHAYNE & JACOBS, LLC 101,877$14,197,00011.86%
Chicago Capital Management, LLC 110,000$15,328,0007.00%
REIK & CO., LLC 139,443$19,431,0006.28%
GABELLI & Co INVESTMENT ADVISERS, INC. 245,601$34,224,0004.91%
Kellner Capital, LLC 66,800$9,309,0004.91%
America First Investment Advisors, LLC 77,405$10,786,0004.73%
GARDNER LEWIS ASSET MANAGEMENT L P 210,152$29,285,0004.43%
ALPINE ASSOCIATES MANAGEMENT INC. 968,217$134,921,0004.38%
LONGFELLOW INVESTMENT MANAGEMENT CO LLC 102,825$14,329,0004.29%
Black River Asset Management LLC 55,000$7,664,0004.09%
View complete list of SIGMA ALDRICH CORP shareholders