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 | $28,000 | 0.0% | 200 | 0.0% | 0.01% | +9.1% |
| Q2 2015 | $28,000 | 0.0% | 200 | 0.0% | 0.01% | 0.0% |
| Q1 2015 | $28,000 | +3.7% | 200 | 0.0% | 0.01% | 0.0% |
| Q4 2014 | $27,000 | 0.0% | 200 | 0.0% | 0.01% | -8.3% |
| Q3 2014 | $27,000 | +35.0% | 200 | 0.0% | 0.01% | +20.0% |
| Q2 2014 | $20,000 | +5.3% | 200 | 0.0% | 0.01% | 0.0% |
| Q1 2014 | $19,000 | 0.0% | 200 | 0.0% | 0.01% | 0.0% |
| Q4 2013 | $19,000 | +11.8% | 200 | 0.0% | 0.01% | -9.1% |
| Q3 2013 | $17,000 | +6.2% | 200 | 0.0% | 0.01% | 0.0% |
| Q2 2013 | $16,000 | – | 200 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|