Detwiler Fenton Investment Management LLC - SIGMA ALDRICH CORP ownership

SIGMA ALDRICH CORP's ticker is SIAL and the CUSIP is 826552101. A total of 5 filers reported holding SIGMA ALDRICH CORP in Q3 2010. The put-call ratio across all filers is - and the average weighting 0.7%.

Quarter-by-quarter ownership
Detwiler Fenton Investment Management LLC ownership history of SIGMA ALDRICH CORP
ValueSharesWeighting
Q4 2010$3,189,000
+13.1%
47,918
+2.6%
2.35%
-11.8%
Q3 2010$2,819,000
+52.4%
46,688
+25.7%
2.67%
+13.0%
Q2 2010$1,850,00037,1292.36%
Other shareholders
SIGMA ALDRICH CORP shareholders Q3 2010
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