MERCK & CO INC's ticker is and the CUSIP is 58933Y905. A total of 8 filers reported holding MERCK & CO INC in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.1%.
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 ↓ |
|---|---|---|---|
| ARDSLEY ADVISORY PARTNERS LP | 100,000 | $6,070,000 | 0.91% |
| GROUP ONE TRADING, L.P. | 718,100 | $43,589,000 | 0.37% |
| BOOTHBAY FUND MANAGEMENT, LLC | 315 | $1,912,000 | 0.17% |
| SIMPLEX TRADING, LLC | 3,176 | $19,278,000 | 0.08% |
| Allianz Asset Management GmbH | 251,000 | $15,236,000 | 0.02% |
| SG Americas Securities, LLC | 759,400 | $1,399,000 | 0.01% |
| Focused Wealth Management, Inc | 16,000 | $30,000 | 0.01% |
| Claybrook Capital, LLC | 175 | $14,000 | 0.01% |
| JPMORGAN CHASE & CO | 487,200 | $29,573,000 | 0.01% |
| SevenBridge Financial Group, LLC | 20 | $1,000 | 0.00% |