MERCK & CO INC's ticker is and the CUSIP is 58933Y905. A total of 9 filers reported holding MERCK & CO INC in Q1 2018. The put-call ratio across all filers is - and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $2,098,000 | -87.4% | 1 | -90.9% | 0.55% | -90.8% |
| Q2 2019 | $16,638,000 | +1.3% | 11 | 0.0% | 5.96% | -3.3% |
| Q1 2019 | $16,418,000 | +149154.5% | 11 | 0.0% | 6.16% | +87928.6% |
| Q4 2018 | $11,000 | +57.1% | 11 | -45.0% | 0.01% | +75.0% |
| Q3 2018 | $7,000 | +600.0% | 20 | 0.0% | 0.00% | +300.0% |
| Q2 2018 | $1,000 | 0.0% | 20 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $1,000 | – | 20 | 0.0% | 0.00% | – |
| Q4 2017 | $0 | -100.0% | 20 | 0.0% | 0.00% | -100.0% |
| Q3 2017 | $2,000 | -50.0% | 20 | 0.0% | 0.00% | -50.0% |
| Q2 2017 | $4,000 | 0.0% | 20 | 0.0% | 0.00% | -33.3% |
| Q1 2017 | $4,000 | – | 20 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SABBY MANAGEMENT, LLC | 17,188 | $98,797,000 | 4.11% |
| MUFG Securities EMEA plc | 256,000 | $14,715,000 | 3.82% |
| Timber Hill LLC | 530,500 | $30,493,000 | 0.14% |
| Virtu KCG Holdings LLC | 59,900 | $3,443,000 | 0.07% |
| SIMPLEX TRADING, LLC | 859 | $204,000 | 0.02% |
| Citadel Advisors | 358,900 | $20,630,000 | 0.02% |
| Allianz Asset Management GmbH | 78,000 | $4,483,000 | 0.01% |
| SG Americas Securities, LLC | 310,000 | $354,000 | 0.00% |