Amgen shares owned by Oberweis Asset Management
Quarter-by-quarter ownership of Amgen (AMGN) shares owned by Oberweis Asset Management
from 13F filings
Historical chart of Oberweis Asset Management investment in Amgen
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Quarterly reported holdings in Amgen by Oberweis Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $292k | 1.0k | 282.32 |
| 2025-06-30 | $289k | 1.0k | 279.11 |
| 2025-03-31 | $322k | 1.0k | 311.51 |
| 2024-12-31 | $269k | 1.0k | 260.69 |
| 2024-09-30 | $332k | 1.0k | 322.34 |
| 2024-06-30 | $335k | 1.1k | 312.39 |
| 2024-03-31 | $304k | 1.1k | 284.36 |
| 2023-12-31 | $308k | 1.1k | 288.13 |
| 2023-09-30 | $329k | 1.2k | 268.67 |
| 2023-06-30 | $307k | 1.4k | 221.98 |
| 2023-03-31 | $334k | 1.4k | 241.70 |
| 2022-12-31 | $363k | 1.4k | 262.61 |
| 2022-09-30 | $311k | 1.4k | 225.36 |
| 2022-06-30 | $336k | 1.4k | 243.65 |
| 2022-03-31 | $333k | 1.4k | 241.48 |
| 2021-12-31 | $310k | 1.4k | 224.96 |
| 2021-09-30 | $318k | 1.5k | 212.42 |
| 2021-06-30 | $365k | 1.5k | 243.98 |
| 2021-03-31 | $372k | 1.5k | 248.83 |
| 2020-12-31 | $344k | 1.5k | 230.25 |
| 2020-09-30 | $380k | 1.5k | 254.52 |
| 2020-06-30 | $352k | 1.5k | 235.77 |
| 2020-03-31 | $307k | 1.5k | 203.04 |
| 2019-12-31 | $364k | 1.5k | 240.90 |
| 2019-09-30 | $292k | 1.5k | 193.38 |
| 2019-06-30 | $292k | 1.6k | 184.58 |
| 2019-03-31 | $300k | 1.6k | 189.75 |
| 2018-12-31 | $307k | 1.6k | 194.43 |
| 2018-09-30 | $327k | 1.6k | 207.49 |
| 2018-06-30 | $291k | 1.6k | 184.53 |
| 2018-03-31 | $281k | 1.6k | 170.41 |
| 2017-12-31 | $287k | 1.6k | 174.04 |
| 2017-09-30 | $354k | 1.9k | 186.71 |
| 2017-06-30 | $349k | 2.0k | 172.18 |
| 2017-03-31 | $382k | 2.3k | 164.16 |
| 2016-12-31 | $344k | 2.4k | 146.07 |
| 2016-09-30 | $393k | 2.4k | 166.81 |
| 2016-06-30 | $378k | 2.5k | 152.24 |
| 2016-03-31 | $395k | 2.6k | 149.96 |
| 2015-12-31 | $411k | 2.5k | 162.39 |
| 2015-09-30 | $350k | 2.5k | 138.23 |
| 2015-06-30 | $389k | 2.5k | 153.69 |
| 2015-03-31 | $462k | 2.9k | 159.92 |
| 2014-12-31 | $460k | 2.9k | 159.22 |
| 2014-09-30 | $412k | 2.9k | 140.61 |
| 2014-06-30 | $351k | 3.0k | 118.22 |
| 2014-03-31 | $354k | 2.9k | 123.47 |
| 2013-12-31 | $327k | 2.9k | 114.06 |
| 2013-09-30 | $310k | 2.8k | 111.87 |
| 2013-06-30 | $298k | 3.0k | 98.64 |
| 2013-03-31 | $345k | 3.4k | 102.40 |
| 2012-12-31 | $319k | 3.7k | 86.19 |
| 2012-03-31 | $258k | 3.8k | 67.91 |
| 2011-12-31 | $244k | 3.8k | 64.28 |
| 2011-09-30 | $209k | 3.8k | 55.06 |
| 2011-06-30 | $221k | 3.8k | 58.23 |
| 2011-03-31 | $207k | 3.9k | 53.42 |
| 2010-12-31 | $222k | 4.0k | 55.02 |
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