Merck & Co shares owned by O'Brien Greene & Co
Quarter-by-quarter ownership of Merck & Co (MRK) shares owned by O'Brien Greene & Co
from 13F filings
Historical chart of O'Brien Greene & Co investment in Merck & Co
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Quarterly reported holdings in Merck & Co by O'Brien Greene & Co
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $376k | 4.5k | 83.93 |
| 2025-06-30 | $369k | 4.7k | 79.16 |
| 2025-03-31 | $418k | 4.7k | 89.76 |
| 2024-12-31 | $464k | 4.7k | 99.48 |
| 2024-09-30 | $567k | 5.0k | 113.56 |
| 2024-06-30 | $667k | 5.4k | 123.80 |
| 2024-03-31 | $659k | 5.0k | 131.95 |
| 2023-12-31 | $545k | 5.0k | 109.02 |
| 2023-09-30 | $525k | 5.1k | 102.95 |
| 2023-06-30 | $1.8M | 15k | 115.41 |
| 2023-03-31 | $543k | 5.1k | 106.53 |
| 2022-12-31 | $566k | 5.1k | 111.08 |
| 2022-09-30 | $1.4M | 17k | 86.11 |
| 2022-06-30 | $508k | 5.6k | 91.15 |
| 2022-03-31 | $458k | 5.6k | 82.14 |
| 2021-12-31 | $429k | 5.6k | 76.56 |
| 2021-09-30 | $408k | 5.4k | 75.10 |
| 2021-06-30 | $423k | 5.4k | 77.64 |
| 2021-03-31 | $420k | 5.4k | 77.09 |
| 2020-12-31 | $478k | 5.8k | 81.76 |
| 2020-09-30 | $498k | 6.0k | 83.00 |
| 2020-06-30 | $463k | 6.0k | 77.21 |
| 2020-03-31 | $461k | 6.0k | 76.94 |
| 2019-12-31 | $545k | 6.0k | 90.91 |
| 2019-09-30 | $504k | 6.0k | 84.06 |
| 2019-06-30 | $502k | 6.0k | 83.79 |
| 2019-03-31 | $499k | 6.0k | 83.27 |
| 2018-12-31 | $433k | 5.7k | 76.39 |