SIGMA ALDRICH CORP's ticker is SIAL and the CUSIP is 826552101. A total of 562 filers reported holding SIGMA ALDRICH CORP in Q4 2014. The put-call ratio across all filers is 0.89 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $389,000 | -0.3% | 2,800 | 0.0% | 0.00% | 0.0% |
| Q2 2015 | $390,000 | -58.5% | 2,800 | -58.8% | 0.00% | -50.0% |
| Q1 2015 | $940,000 | +136.2% | 6,800 | +134.5% | 0.01% | +100.0% |
| Q4 2014 | $398,000 | -5.7% | 2,900 | -6.5% | 0.00% | 0.0% |
| Q3 2014 | $422,000 | -84.7% | 3,100 | -87.9% | 0.00% | -85.7% |
| Q2 2014 | $2,752,000 | +719.0% | 25,600 | +611.1% | 0.02% | +600.0% |
| Q1 2014 | $336,000 | -0.6% | 3,600 | 0.0% | 0.00% | 0.0% |
| Q4 2013 | $338,000 | +4.3% | 3,600 | -5.3% | 0.00% | 0.0% |
| Q3 2013 | $324,000 | +5.9% | 3,800 | 0.0% | 0.00% | +50.0% |
| Q2 2013 | $306,000 | – | 3,800 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
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