SIGMA ALDRICH CORP's ticker is SIAL and the CUSIP is 826552101. A total of 3 filers reported holding SIGMA ALDRICH CORP in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $70,000 | 0.0% | 500 | 0.0% | 0.01% | +10.0% |
| Q2 2015 | $70,000 | +1.4% | 500 | 0.0% | 0.01% | 0.0% |
| Q1 2015 | $69,000 | +1.5% | 500 | 0.0% | 0.01% | 0.0% |
| Q4 2014 | $68,000 | 0.0% | 500 | 0.0% | 0.01% | 0.0% |
| Q3 2014 | $68,000 | +36.0% | 500 | 0.0% | 0.01% | +25.0% |
| Q2 2014 | $50,000 | +6.4% | 500 | 0.0% | 0.01% | 0.0% |
| Q1 2014 | $47,000 | +147.4% | 500 | +150.0% | 0.01% | +166.7% |
| Q4 2013 | $19,000 | +11.8% | 200 | 0.0% | 0.00% | 0.0% |
| Q3 2013 | $17,000 | +6.2% | 200 | 0.0% | 0.00% | 0.0% |
| Q2 2013 | $16,000 | – | 200 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Burren Capital Advisors Ltd | 35,000 | $4,839,000 | 17.52% |
| SHAYNE & JACOBS, LLC | 114,052 | $15,768,000 | 12.23% |
| Cheyne Capital Management (UK) LLP | 199,237 | $27,547,000 | 6.64% |
| REIK & CO., LLC | 143,793 | $19,879,000 | 6.44% |
| Chicago Capital Management, LLC | 103,300 | $14,281,000 | 6.00% |
| Kellner Capital, LLC | 62,150 | $8,592,000 | 5.63% |
| MCDANIEL TERRY & CO | 164,215 | $22,703,000 | 5.55% |
| GLAZER CAPITAL, LLC | 261,530 | $36,157,000 | 5.45% |
| ALPINE ASSOCIATES MANAGEMENT INC. | 1,073,600 | $148,426,000 | 5.33% |
| COWEN INC. | 430,993 | $59,585,000 | 4.93% |