MERCK & CO INC's ticker is and the CUSIP is 58933Y955. A total of 7 filers reported holding MERCK & CO INC in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $1,308,000 | -91.2% | 240 | -91.0% | 0.08% | -94.3% |
| Q4 2017 | $14,923,000 | -44.2% | 2,652 | -36.5% | 1.36% | -22.3% |
| Q3 2017 | $26,758,000 | -40.6% | 4,179 | -40.6% | 1.75% | -40.7% |
| Q2 2017 | $45,062,000 | +113.2% | 7,031 | +111.3% | 2.95% | +158.6% |
| Q1 2017 | $21,140,000 | -29.1% | 3,327 | -36.4% | 1.14% | +4.9% |
| Q2 2015 | $29,797,000 | -13.0% | 5,234 | -12.2% | 1.09% | -23.8% |
| Q1 2015 | $34,252,000 | +99.2% | 5,959 | +96.8% | 1.43% | +162.6% |
| Q4 2014 | $17,196,000 | +3.7% | 3,028 | +8.2% | 0.54% | -14.8% |
| Q3 2014 | $16,587,000 | +855.5% | 2,798 | +832.7% | 0.64% | +760.8% |
| Q2 2014 | $1,736,000 | -95.6% | 300 | -95.7% | 0.07% | -96.7% |
| Q1 2014 | $39,705,000 | +2746.2% | 6,994 | +2287.0% | 2.23% | +2346.2% |
| Q3 2013 | $1,395,000 | +2.5% | 293 | 0.0% | 0.09% | 0.0% |
| Q2 2013 | $1,361,000 | – | 293 | – | 0.09% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SABBY MANAGEMENT, LLC | 5,234 | $29,797,000 | 1.09% |
| Timber Hill LLC | 472,300 | $26,888,000 | 0.12% |
| Allianz Asset Management GmbH | 979,400 | $55,757,000 | 0.06% |
| SG Americas Securities, LLC | 1,264,200 | $3,160,000 | 0.02% |
| Citadel Advisors | 400,800 | $22,818,000 | 0.02% |
| GROUP ONE TRADING, L.P. | 22,500 | $1,281,000 | 0.02% |
| Virtu KCG Holdings LLC | 17,000 | $968,000 | 0.02% |
| SIMPLEX TRADING, LLC | 701 | $173,000 | 0.01% |