MERCK & CO INC's ticker is and the CUSIP is 58933Y905. A total of 9 filers reported holding MERCK & CO INC in Q4 2017. The put-call ratio across all filers is - and the average weighting 1.1%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Fore Capital, LLC | 150,000 | $11,267,000 | 5.79% |
| Sofinnova Investments, Inc. | 600,000 | $45,066,000 | 2.67% |
| Maven Securities LTD | 38,300 | $2,877,000 | 0.09% |
| GROUP ONE TRADING, L.P. | 1,116,100 | $83,830,000 | 0.09% |
| SIMPLEX TRADING, LLC | 1,295,000 | $40,046,000 | 0.04% |
| JPMORGAN CHASE & CO | 3,091,300 | $232,188,000 | 0.03% |
| Allianz Asset Management GmbH | 66,200 | $4,972,000 | 0.00% |
| SG Americas Securities, LLC | 50,000 | $48,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| Atlas Private Wealth Advisors | 1 | $0 | 0.00% |