SIGMA ALDRICH CORP's ticker is and the CUSIP is 826552951. A total of 3 filers reported holding SIGMA ALDRICH CORP in Q3 2014. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2014 | $473,000 | – | 2,100 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Timber Hill LLC | 12,300 | $1,673,000 | 0.01% |
| Citadel Advisors | 20,500 | $2,788,000 | 0.00% |
| WATER ISLAND CAPITAL LLC | 2,100 | $473,000 | 0.00% |