STATE OF MICHIGAN RETIREMENT SYSTEM - SIGMA ALDRICH CORP ownership

SIGMA ALDRICH CORP's ticker is SIAL and the CUSIP is 826552101. A total of 543 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
STATE OF MICHIGAN RETIREMENT SYSTEM ownership history of SIGMA ALDRICH CORP
ValueSharesWeighting
Q3 2015$5,987,000
-7.2%
43,095
-6.9%
0.05%
+2.2%
Q2 2015$6,451,000
+1.2%
46,295
+0.4%
0.04%0.0%
Q1 2015$6,373,000
-5.4%
46,095
-6.1%
0.04%0.0%
Q4 2014$6,739,000
+1.5%
49,095
+0.6%
0.04%
-2.2%
Q3 2014$6,637,000
+34.3%
48,795
+0.2%
0.05%
+31.4%
Q2 2014$4,942,000
+8.5%
48,695
-0.2%
0.04%
+2.9%
Q1 2014$4,556,000
-0.5%
48,795
+0.2%
0.03%
-2.9%
Q4 2013$4,578,000
+9.8%
48,695
-0.4%
0.04%
-5.4%
Q3 2013$4,171,000
+6.2%
48,8950.0%0.04%
+2.8%
Q2 2013$3,929,00048,8950.04%
Other shareholders
SIGMA ALDRICH CORP shareholders Q1 2015
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