MERCK & CO INC's ticker is and the CUSIP is 58933Y905. A total of 8 filers reported holding MERCK & CO INC in Q1 2015. The put-call ratio across all filers is - and the average weighting 1.0%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TLP GROUP LLC | 22,500 | $150,000 | 2.27% |
| TWO SIGMA SECURITIES, LLC | 324,100 | $27,283,000 | 0.25% |
| GROUP ONE TRADING, L.P. | 282,100 | $23,747,000 | 0.19% |
| SIMPLEX TRADING, LLC | 6,927 | $58,311,000 | 0.17% |
| BOOTHBAY FUND MANAGEMENT, LLC | 192 | $1,616,000 | 0.15% |
| HBK INVESTMENTS L P | 81,800 | $6,886,000 | 0.09% |
| Gladius Capital Management LP | 21,500 | $1,810,000 | 0.08% |
| IMC-Chicago, LLC | 124,400 | $10,472,000 | 0.03% |
| Allianz Asset Management GmbH | 313,900 | $26,424,000 | 0.03% |
| SG Americas Securities, LLC | 307,600 | $1,940,000 | 0.02% |