As of 31 Dec 2025, 1 institutional investors reported holding 80,000 shares of MERCK & CO INC - PUT.
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 80,000 | $8,420,000 | +$8,334,375 | $105.26 | 1 |
| 2025 Q3 | 100 | $85,625 | -$3,633,000 | $83.93 | 1 |
| 2025 Q2 | 46,000 | $3,752,250 | +$103,420 | $79.16 | 2 |
| 2025 Q1 | 46,100 | $4,137,000 | +$349,985 | $89.76 | 1 |
| 2024 Q4 | 42,200 | $4,198,000 | +$4,198,000 | $99.48 | 1 |
| 2024 Q3 | 0 | $0 | -$6,833,000 | $113.56 | 0 |
| 2024 Q2 | 55,200 | $6,833,000 | +$6,833,000 | $123.80 | 1 |
| 2024 Q1 | 0 | $0 | -$392,000 | $131.95 | 0 |
| 2023 Q4 | 3,600 | $392,000 | -$620,667 | $109.02 | 1 |
| 2023 Q3 | 9,300 | $957,000 | +$957,000 | $102.95 | 1 |
| 2023 Q2 | 0 | $0 | -$287,000 | $115.39 | 0 |
| 2023 Q1 | 2,700 | $287,000 | -$287,000 | $106.39 | 1 |
| 2022 Q4 | 5,400 | $599,000 | +$188,574 | $110.95 | 1 |
| 2022 Q3 | 3,700 | $318,000 | +$318,000 | $86.12 | 1 |
| 2022 Q2 | $91.17 | 0 | |||
| 2022 Q1 | 0 | $0 | -$275,000 | $82.05 | 0 |
| 2021 Q4 | 3,600 | $275,000 | +$275,000 | $76.64 | 1 |
| 2021 Q3 | $75.11 | 0 | |||
| 2021 Q2 | $27.93 | 0 | |||
| 2021 Q1 | $77.09 | 0 | |||
| 2020 Q4 | $81.80 | 0 | |||
| 2020 Q3 | 0 | $0 | -$626,000 | $82.95 | 0 |
| 2020 Q2 | 8,100 | $626,000 | +$394,148 | $77.33 | 1 |
| 2020 Q1 | 3,000 | $230,000 | +$230,000 | $76.94 | 1 |
| 2019 Q4 | 0 | $0 | -$2,828,000 | $90.95 | 0 |
| 2019 Q3 | 33,600 | $2,828,000 | -$188,000 | $84.18 | 1 |
| 2019 Q2 | 39,000 | $188,000 | $3.23 | 1 | |
| 2019 Q1 | $83.17 | 0 | |||
| 2018 Q4 | $76.41 | 0 | |||
| 2018 Q3 | 0 | $0 | -$1,595,000 | $70.94 | 0 |
| 2018 Q2 | 93,600 | $1,595,000 | +$1,595,000 | $60.70 | 2 |
| 2018 Q1 | $54.47 | 0 | |||
| 2017 Q4 | $56.27 | 0 | |||
| 2017 Q3 | $64.03 | 0 | |||
| 2017 Q2 | $64.09 | 0 | |||
| 2017 Q1 | $63.54 | 0 | |||
| 2016 Q4 | $58.87 | 0 | |||
| 2016 Q3 | $62.41 | 0 | |||
| 2016 Q2 | $57.61 | 0 | |||
| 2016 Q1 | $52.91 | 0 | |||
| 2015 Q4 | 0 | $0 | -$10,176,000 | $52.82 | 0 |
| 2015 Q3 | 1,979,700 | $10,176,000 | +$10,176,000 | $49.39 | 1 |
| 2015 Q2 | $56.93 | 0 | |||
| 2015 Q1 | $57.48 | 0 | |||
| 2014 Q4 | $56.80 | 0 | |||
| 2014 Q3 | $59.28 | 0 | |||
| 2014 Q2 | $57.85 | 0 | |||
| 2014 Q1 | $56.77 | 0 |