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
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $10,956,000 | +25.8% | 78,867 | +26.2% | 0.02% | +42.9% |
| Q2 2015 | $8,711,000 | +63.0% | 62,508 | +61.7% | 0.01% | +40.0% |
| Q1 2015 | $5,345,000 | +52.1% | 38,664 | +51.1% | 0.01% | +66.7% |
| Q4 2014 | $3,513,000 | -17.6% | 25,596 | -18.3% | 0.01% | -25.0% |
| Q3 2014 | $4,264,000 | -87.0% | 31,347 | -90.3% | 0.01% | -86.0% |
| Q2 2014 | $32,910,000 | +1511.7% | 324,302 | +1382.7% | 0.06% | +1325.0% |
| Q1 2014 | $2,042,000 | +37.7% | 21,873 | +38.7% | 0.00% | +33.3% |
| Q4 2013 | $1,483,000 | -19.4% | 15,773 | -26.9% | 0.00% | 0.0% |
| Q3 2013 | $1,841,000 | -6.8% | 21,574 | -12.3% | 0.00% | -25.0% |
| Q2 2013 | $1,976,000 | – | 24,595 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SHAYNE & JACOBS, LLC | 101,877 | $14,197,000 | 11.86% |
| Chicago Capital Management, LLC | 110,000 | $15,328,000 | 7.00% |
| REIK & CO., LLC | 139,443 | $19,431,000 | 6.28% |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 245,601 | $34,224,000 | 4.91% |
| Kellner Capital, LLC | 66,800 | $9,309,000 | 4.91% |
| America First Investment Advisors, LLC | 77,405 | $10,786,000 | 4.73% |
| GARDNER LEWIS ASSET MANAGEMENT L P | 210,152 | $29,285,000 | 4.43% |
| ALPINE ASSOCIATES MANAGEMENT INC. | 968,217 | $134,921,000 | 4.38% |
| LONGFELLOW INVESTMENT MANAGEMENT CO LLC | 102,825 | $14,329,000 | 4.29% |
| Black River Asset Management LLC | 55,000 | $7,664,000 | 4.09% |