Amgen shares owned by Riverstone Advisors
Historical chart of Riverstone Advisors investment in Amgen
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Quarterly reported holdings in Amgen by Riverstone Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $769k | 2.7k | 282.20 |
| 2025-06-30 | $761k | 2.7k | 279.21 |
| 2025-03-31 | $849k | 2.7k | 311.55 |
| 2024-12-31 | $716k | 2.7k | 260.64 |
| 2024-09-30 | $885k | 2.7k | 322.21 |
| 2024-06-30 | $858k | 2.7k | 312.45 |
| 2024-03-31 | $781k | 2.7k | 284.32 |
| 2023-12-31 | $791k | 2.7k | 288.02 |
| 2023-09-30 | $738k | 2.7k | 268.76 |
| 2023-06-30 | $606k | 2.7k | 222.02 |
| 2023-03-31 | $662k | 2.7k | 241.75 |
| 2022-12-31 | $719k | 2.7k | 262.64 |
| 2022-09-30 | $969k | 4.3k | 225.51 |
| 2022-06-30 | $1.1M | 4.3k | 243.22 |
| 2022-03-31 | $1.0M | 4.3k | 241.83 |
| 2021-12-31 | $899k | 4.0k | 225.09 |
| 2021-09-30 | $823k | 3.9k | 212.55 |
| 2021-06-30 | $944k | 3.9k | 243.80 |
| 2021-03-31 | $975k | 3.9k | 248.85 |
| 2020-12-31 | $901k | 3.9k | 229.96 |
| 2020-09-30 | $996k | 3.9k | 254.21 |
| 2020-06-30 | $924k | 3.9k | 235.83 |
| 2020-03-31 | $804k | 4.0k | 202.62 |
| 2019-12-31 | $957k | 4.0k | 241.18 |
| 2019-09-30 | $768k | 4.0k | 193.55 |
| 2019-06-30 | $731k | 4.0k | 184.22 |
| 2019-03-31 | $779k | 4.1k | 189.95 |
| 2018-12-31 | $798k | 4.1k | 194.59 |