Amgen shares owned by PRIMECAP Management Company
Quarter-by-quarter ownership of Amgen (AMGN) shares owned by PRIMECAP Management Company
from 13F filings
Historical chart of PRIMECAP Management Company investment in Amgen
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Quarterly reported holdings in Amgen by PRIMECAP Management Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $2.7B | 9.7M | 282.20 |
| 2025-06-30 | $3.0B | 11M | 279.21 |
| 2025-03-31 | $3.9B | 12M | 311.55 |
| 2024-12-31 | $3.4B | 13M | 260.64 |
| 2024-09-30 | $4.6B | 14M | 322.21 |
| 2024-06-30 | $4.5B | 14M | 312.45 |
| 2024-03-31 | $4.2B | 15M | 284.32 |
| 2023-12-31 | $4.2B | 15M | 288.02 |
| 2023-09-30 | $4.0B | 15M | 268.76 |
| 2023-06-30 | $3.3B | 15M | 222.02 |
| 2023-03-31 | $3.7B | 15M | 241.75 |
| 2022-12-31 | $4.0B | 15M | 262.64 |
| 2022-09-30 | $3.5B | 16M | 225.40 |
| 2022-06-30 | $3.8B | 16M | 243.30 |
| 2022-03-31 | $3.8B | 16M | 241.82 |
| 2021-12-31 | $3.5B | 16M | 224.97 |
| 2021-09-30 | $3.4B | 16M | 212.65 |
| 2021-06-30 | $4.0B | 16M | 243.75 |
| 2021-03-31 | $4.1B | 17M | 248.81 |
| 2020-12-31 | $3.9B | 17M | 229.92 |
| 2020-09-30 | $4.4B | 17M | 254.16 |
| 2020-06-30 | $4.2B | 18M | 235.86 |
| 2020-03-31 | $3.7B | 19M | 202.73 |
| 2019-12-31 | $4.4B | 18M | 241.07 |
| 2019-09-30 | $3.5B | 18M | 193.51 |
| 2019-06-30 | $3.4B | 19M | 184.28 |
| 2019-03-31 | $3.6B | 19M | 189.98 |
| 2018-12-31 | $3.9B | 20M | 194.67 |
| 2018-09-30 | $4.3B | 21M | 207.29 |
| 2018-06-30 | $3.9B | 21M | 184.59 |
| 2018-03-31 | $3.7B | 21M | 170.48 |
| 2017-12-31 | $3.8B | 22M | 173.90 |
| 2017-09-30 | $4.2B | 22M | 186.45 |
| 2017-06-30 | $4.0B | 23M | 172.23 |
| 2017-03-31 | $4.0B | 24M | 164.07 |
| 2016-12-31 | $3.7B | 25M | 146.21 |
| 2016-09-30 | $4.4B | 27M | 166.81 |
| 2016-06-30 | $4.4B | 29M | 152.15 |
| 2016-03-31 | $4.4B | 29M | 149.93 |
| 2015-12-31 | $4.7B | 29M | 162.33 |
| 2015-09-30 | $4.0B | 29M | 138.32 |
| 2015-06-30 | $4.8B | 31M | 153.52 |
| 2015-03-31 | $5.0B | 32M | 159.85 |
| 2014-12-31 | $5.0B | 32M | 159.29 |
| 2014-09-30 | $4.5B | 32M | 140.46 |
| 2014-03-31 | $4.0B | 32M | 123.34 |
| 2013-12-31 | $4.1B | 36M | 114.08 |
| 2013-09-30 | $4.0B | 36M | 111.94 |
| 2013-06-30 | $3.7B | 37M | 98.66 |
| 2013-03-31 | $4.1B | 40M | 102.51 |
| 2012-09-30 | $3.8B | 45M | 84.32 |
| 2012-03-31 | $3.4B | 50M | 67.99 |
| 2011-12-31 | $3.3B | 51M | 64.21 |
| 2011-09-30 | $2.8B | 50M | 54.96 |
| 2011-06-30 | $2.9B | 50M | 58.35 |
| 2011-03-31 | $2.6B | 49M | 53.45 |
| 2010-12-31 | $2.7B | 48M | 54.90 |
| 2010-09-30 | $2.6B | 47M | 55.11 |
| 2010-06-30 | $2.3B | 44M | 52.60 |
| 2009-12-31 | $2.4B | 42M | 56.57 |
| 2009-09-30 | $2.4B | 39M | 60.23 |
| 2009-03-31 | $1.7B | 34M | 49.52 |
| 2008-12-31 | $1.9B | 33M | 57.75 |
| 2008-09-30 | $2.0B | 33M | 59.27 |
| 2008-06-30 | $1.5B | 32M | 47.16 |
| 2008-03-31 | $1.1B | 27M | 41.78 |
| 2007-12-31 | $1.2B | 25M | 46.44 |
| 2007-09-30 | $1.3B | 23M | 56.57 |
| 2007-06-30 | $946M | 17M | 55.29 |
| 2007-03-31 | $831M | 15M | 55.88 |
More positions owned by PRIMECAP Management Company
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