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 | $316,000 | -73.3% | 2,275 | -73.2% | 0.01% | -77.8% |
| Q2 2015 | $1,184,000 | +0.9% | 8,495 | 0.0% | 0.04% | +33.3% |
| Q1 2015 | $1,174,000 | +0.7% | 8,495 | 0.0% | 0.03% | +3.8% |
| Q4 2014 | $1,166,000 | +1.0% | 8,495 | 0.0% | 0.03% | +4.0% |
| Q3 2014 | $1,155,000 | +34.0% | 8,495 | 0.0% | 0.02% | -3.8% |
| Q2 2014 | $862,000 | -1.5% | 8,495 | -9.3% | 0.03% | -3.7% |
| Q1 2014 | $875,000 | -0.6% | 9,365 | 0.0% | 0.03% | -27.0% |
| Q4 2013 | $880,000 | +225.9% | 9,365 | +195.9% | 0.04% | +208.3% |
| Q3 2013 | $270,000 | +6.3% | 3,165 | 0.0% | 0.01% | +9.1% |
| Q2 2013 | $254,000 | – | 3,165 | – | 0.01% | – |
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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% |