NYSE : MRK
-$1.43 (-1.08%)
4.13%
1669
change: -2204 | last: 3873789
change: -986 | last: 1775637
change: -947 | last: 158476
change: -244 | last: 3202200
change: 2008 | last: 19233400
9300
0.28
change: -54.0716 | last: 0.819213.06B
| Filing Date | Reporting Person | Amount Beneficially Owned | % of Class |
|---|---|---|---|
| 2026-04-30 | Vanguard Capital Management | 186.32M | 7.53% |
| 2026-03-27 | The Vanguard Group | - | 0.00% |
| 2025-03-06 | The Vanguard Group | 253.26M | 10.02% |
| 2025-02-03 | Merck & Co., Inc. | 63M | 19.96% |
| 2024-01-23 | Merck & Co., Inc. | 4.6M | 11.40% |
| 2024-01-23 | Merck Sharp & Dohme LLC | 4.6M | 11.40% |
| 2024-01-23 | Merck Global Health Innovation Fund, LLC | 4.6M | 11.40% |
| 2022-02-02 | Merck & Co., Inc. | 12.15M | 6.60% |
| 2022-02-02 | Merck Sharp & Dohme Corp. | 12.15M | 6.60% |
| 2022-02-01 | (1) BlackRock, Inc. | 198.22M | 7.80% |
| 2021-03-04 | MERCK & CO., INC. | 11.78M | 39.99% |
| 2021-03-04 | MERCK SHARP & DOHME CORP. | 11.78M | 39.99% |
| 2021-03-04 | PANAMA MERGER SUB, INC. | 11.78M | 39.99% |
| 2021-01-04 | Merck Sharp & Dohme Corp. | 527K | 5.20% |
| 2021-01-04 | Merck & Co., Inc. | 527K | 5.20% |
| 2020-02-12 | The Vanguard Group - 23-1945930 | 210.54M | 8.26% |
| 2019-12-16 | MERCK SHARP & DOHME CORP. | 17.48M | 12.60% |
| 2019-12-16 | MERCK & CO., INC. | 17.48M | 12.60% |
| 2019-12-16 | ARGON MERGER SUB, INC. | 17.48M | 12.60% |
| 2019-04-09 | Merck & Co., Inc. | 12.96M | 19.90% |
| 2019-04-09 | Merck Sharp & Dohme Corp. | 12.96M | 19.90% |
| 2019-02-14 | Merck Sharp & Dohme Corp. | 3.55M | 5.10% |
| 2019-02-14 | MRL Ventures Fund LLC | 3.55M | 5.10% |
| 2019-02-14 | Merck & Co., Inc. | 3.55M | 5.10% |
| 2019-02-06 | (1) BlackRock, Inc. | 194.59M | 7.50% |
| 2018-10-04 | Merck & Co., Inc. | 2.72M | 11.90% |
| 2018-10-04 | Merck Sharp & Dohme Corp. | 2.72M | 11.90% |
| 2018-02-14 | Merck & Co., Inc. | 1.24M | 5.41% |
| 2018-02-14 | Merck Sharp & Dohme Corp. | 1.24M | 5.41% |
| 2018-02-13 | Merck Sharp & Dohme Research GmbH | - | 0.00% |
| 2018-02-13 | Merck Sharp & Dohme Corp. | - | 0.00% |
| 2018-02-13 | Merck & Co., Inc. | - | 0.00% |
| 2017-11-15 | Merck Sharp & Dohme Corp. | 935.94K | 6.50% |
| 2017-11-15 | MRL Ventures Fund LLC | 935.94K | 6.50% |
| 2017-11-15 | Merck & Co., Inc. | 935.94K | 6.50% |
| 2017-10-16 | 1,070,589 shares | 1.07M | 9.90% |
| 2017-10-16 | 9.9%* | 1.07M | 9.90% |
| 2017-02-09 | Wellington Management Group LLP | 124.19M | 4.50% |
| 2017-02-09 | Wellington Group Holdings LLP | 124.19M | 4.50% |
| 2017-02-09 | Wellington Investment Advisors Holdings LLP | 124.19M | 4.50% |
| 2016-02-12 | Inc. | 31.59M | 7.40% |
| 2016-02-12 | Merck Sharp & Dohme Corp. | 31.59M | 7.40% |
| 2016-02-12 | Merck Sharp & Dohme Research GmbH | 31.59M | 7.40% |
| 2015-02-11 | Vanguard Group - 23-1945930 | 155.71M | 5.46% |
| 2015-02-09 | (1) BlackRock, Inc. | 188.56M | 6.60% |
| 2014-06-13 | MERCK & CO., INC. | 22.48M | 14.90% |
| 2014-06-13 | IMPERIAL BLUE CORPORATION | 22.48M | 14.90% |
| 2014-02-14 | 04-2683227 | 154.02M | 5.27% |
| 2011-04-15 | 22-1918501 | 22.91M | 27.50% |
| 2011-04-15 | 45-1540007 | 22.91M | 27.50% |
| 2011-02-07 | (1) BlackRock, Inc. | 158.28M | 5.14% |
| 2010-01-29 | BlackRock for purposes of Schedule 13G filings. | 161.49M | 5.29% |
| 2007-02-14 | 04-2683227 | 192.14M | 12.96% |
| 2006-02-03 | 94-1441976 | 58.26M | 3.90% |
| 2005-02-14 | FMR Corp. | 91.08M | 6.17% |
| 2005-02-14 | Edward C. Johnson 3d | 91.08M | 6.17% |
| 2005-02-14 | Abigail P. Johnson | 91.08M | 6.17% |
| 2005-02-10 | 94-1441976 | 81.62M | 5.50% |
| 2003-02-12 | 04-2683227 | 140.26M | 9.56% |
| 2001-02-14 | Abigail P. Johnson | 121.02M | 8.28% |
| 2001-02-14 | Edward C. Johnson 3d | 121.02M | 8.28% |
| 2001-02-14 | FMR Corp. | 121.02M | 8.28% |
| 1998-02-11 | Edward C. Johnson 3d | 55.25M | 7.55% |
| 1998-02-11 | FMR Corp. | 55.25M | 7.55% |
| 1998-02-11 | Abigail P. Johnson | 55.25M | 7.55% |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2025-12-31 | $105.26 | 2.5B | $263.36B | $14.56B | $50.53B | $299.33B |
| 2024-12-31 | $99.48 | 2.53B | $251.88B | $13.24B | $38.27B | $276.91B |
| 2023-12-31 | $109.02 | 2.61B | $284.23B | $6.84B | $36.27B | $313.66B |
| 2022-12-31 | $110.95 | 2.53B | $280.93B | $12.69B | $31.98B | $300.22B |
| 2021-12-31 | $76.64 | 2.53B | $193.9B | $8.1B | $34.63B | $220.43B |
| 2020-12-31 | $78.00 | 2.53B | $197.34B | $8.05B | $33.42B | $222.71B |
| 2019-12-31 | $86.72 | 2.56B | $222.44B | $9.68B | $27.35B | $240.11B |
| 2018-12-31 | $72.86 | 2.59B | $188.89B | $7.96B | $25.11B | $206.04B |
| 2017-12-31 | $53.65 | 2.7B | $144.67B | $6.09B | $24.41B | $162.99B |
| 2016-12-31 | $56.13 | 2.75B | $154.29B | $6.52B | $24.84B | $172.61B |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2026-03-31 | $120.29 | 2.47B | $297.36B | $5.33B | $49.12B | $341.15B |
| 2025-12-31 | $105.26 | 2.47B | $260.48B | $14.56B | $50.53B | $296.45B |
| 2025-09-30 | $83.93 | 2.5B | $209.41B | $18.17B | $41.37B | $232.61B |
| 2025-06-30 | $79.16 | 2.51B | $198.69B | $8.01B | $35.4B | $226.09B |
| 2025-03-31 | $89.76 | 2.52B | $226.46B | $8.63B | $34.84B | $252.68B |
| 2024-12-31 | $99.48 | 2.54B | $252.78B | $13.24B | $38.27B | $277.81B |
| 2024-09-30 | $113.56 | 2.54B | $288.56B | $14.59B | $38.13B | $312.09B |
| 2024-06-30 | $127.90 | 2.53B | $324.1B | $11.3B | $37.79B | $350.58B |
| 2024-03-31 | $130.99 | 2.53B | $331.8B | $5.58B | $34.22B | $360.44B |
| 2023-12-31 | $109.02 | 2.55B | $278.46B | $6.84B | $36.27B | $307.88B |
| 2023-09-30 | $102.95 | 2.54B | $261.18B | $8.6B | $34.86B | $287.44B |
| 2023-06-30 | $115.39 | 2.54B | $292.98B | $5.66B | $36.91B | $324.23B |