Citadel Advisors (Ken Griffin) — AMGN Trade History
Quarter-by-quarter changes in the AMGEN INC position · CUSIP 031162100
Currently held · 2.5 YearsFirst seen: 2015 Q4
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-09-02 | Add | 703,984 | 519,021 | +280.6% | $254.9M | 0.03% |
| 2026 Q1 | 2026-05-15 | Add | 184,963 | 64,983 | +54.2% | $65.1M | 0.01% |
| 2025 Q4 | 2026-02-17 | Reduce | 119,980 | -30,868 | -20.5% | $39.3M | 0.01% |
| 2025 Q3 | 2025-11-14 | Add | 150,848 | 121,735 | +418.1% | $42.6M | 0.01% |
| 2025 Q2 | 2025-08-14 | Add | 29,113 | 9,108 | +45.5% | $8.1M | 0.00% |
| 2025 Q1 | 2025-05-15 | Reduce | 20,005 | -504,498 | -96.2% | $6.2M | 0.00% |
| 2024 Q4 | 2025-02-14 | Add | 524,503 | 516,699 | +6621.0% | $136.7M | 0.02% |
| 2024 Q3 | 2024-11-14 | Reduce | 7,804 | -15,010 | -65.8% | $2.5M | — |
| 2024 Q2 | 2024-08-14 | Reduce | 22,814 | -105,368 | -82.2% | $7.1M | 0.00% |
| 2024 Q1 | 2024-05-15 | New | 128,182 | 128,182 | — | $36.4M | 0.01% |
| 2023 Q4 | 2024-02-14 | Sold out | — | -40,987 | -100.0% | — | — |
| 2023 Q3 | 2023-11-14 | Reduce | 40,987 | -326,544 | -88.8% | $11.0M | 0.00% |
| 2023 Q2 | 2023-08-14 | Add | 367,531 | 66,044 | +21.9% | $81.6M | 0.02% |
| 2023 Q1 | 2023-05-15 | Add | 301,487 | 235,907 | +359.7% | $72.9M | 0.02% |
| 2022 Q4 | 2023-02-14 | Reduce | 65,580 | -49,638 | -43.1% | $17.2M | 0.00% |
| 2022 Q3 | 2022-11-14 | Reduce | 115,218 | -285,026 | -71.2% | $26.0M | 0.01% |
| 2022 Q2 | 2022-08-15 | Add | 400,244 | 105,276 | +35.7% | $97.4M | 0.03% |
| 2022 Q1 | 2022-05-16 | New | 294,968 | 294,968 | — | $71.3M | 0.01% |
| 2021 Q3 | 2022-03-11 | Sold out | — | -367,032 | -100.0% | — | — |
| 2021 Q4 | 2022-02-14 | Reduce | 367,032 | -148,582 | -28.8% | $82.6M | 0.02% |
| 2021 Q2 | 2021-08-16 | Add | 515,614 | 351,638 | +214.4% | $125.7M | 0.03% |
| 2021 Q1 | 2021-05-21 | Reduce | 163,976 | -68,716 | -29.5% | $40.8M | 0.01% |
| 2020 Q4 | 2021-02-16 | Reduce | 232,692 | -129,449 | -35.7% | $53.5M | 0.01% |
| 2020 Q3 | 2020-11-16 | Reduce | 362,141 | -612,146 | -62.8% | $92.0M | 0.03% |
| 2020 Q2 | 2020-08-14 | Add | 974,287 | 795,290 | +444.3% | $229.8M | 0.08% |
| 2020 Q1 | 2020-05-15 | Reduce | 178,997 | -70,299 | -28.2% | $36.3M | 0.02% |
| 2019 Q4 | 2020-02-14 | New | 249,296 | 249,296 | — | $60.1M | 0.03% |
| 2019 Q2 | 2020-02-14 | — | — | — | — | — | — |
| 2018 Q4 | 2019-11-14 | Sold out | — | -1,013,404 | -100.0% | — | — |
| 2019 Q3 | 2019-11-14 | New | 1,013,404 | 1,013,404 | — | $196.1M | 0.09% |
| 2018 Q2 | 2019-08-14 | — | — | — | — | — | — |
| 2018 Q3 | 2019-05-15 | Sold out | — | -193,620 | -100.0% | — | — |
| 2019 Q1 | 2019-05-15 | New | 193,620 | 193,620 | — | $36.8M | 0.02% |
| 2018 Q1 | 2019-02-14 | Sold out | — | -210,125 | -100.0% | — | — |
| 2017 Q4 | 2018-02-09 | Add | 210,125 | 186,858 | +803.1% | $36.5M | 0.02% |
| 2017 Q3 | 2017-11-09 | Reduce | 23,267 | -44,727 | -65.8% | $4.3M | 0.00% |
| 2017 Q2 | 2017-08-11 | Reduce | 67,994 | -13,206 | -16.3% | $11.7M | 0.01% |
| 2017 Q1 | 2017-05-12 | Reduce | 81,200 | -83,594 | -50.7% | $13.3M | 0.01% |
| 2016 Q4 | 2017-02-10 | Reduce | 164,794 | -509,758 | -75.6% | $24.1M | 0.02% |
| 2015 Q4 | 2017-01-31 | New | 674,552 | 674,552 | — | $109.5M | 0.12% |
Share counts are split-adjusted. Time held counts consecutive quarters ending with the latest filing; more than ten years shows as ">10 Years".
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.