Amgen Inc.
MX ˙ BMV ˙ NL0000888691
SecurityMX:AMGN / Amgen Inc.
InstitutionCAPROCK Group, Inc.
Latest Disclosed Ownership52,278 shares
Latest Disclosed Value $ 18,394,304
CAPROCK Group, Inc. reports 136.33% increase in ownership of AMGN / Amgen Inc.

On May 11, 2026 - CAPROCK Group, Inc. filed a 13F-HR form disclosing ownership of 52,278 shares of Amgen Inc. (MX:AMGN) valued at $18,394,304 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 28, 2026 disclosing 22,121 shares of Amgen Inc.. This represents a change in shares of 136.33% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-11 2026-03-31 13F AMGEN COM 031162100 52,278 30,157 136.33 18,394 154.06 0.4465
2026-01-28 2025-12-31 13F AMGEN COM 031162100 22,121 720 3.36 7,241 16.60 0.1529
2025-11-06 2025-09-30 13F AMGEN COM 031162100 21,401 1,666 8.44 6,209 0.99 0.1529
2025-05-15 2025-03-31 13F AMGEN COM 031162100 19,735 4,465 29.24 6,149 54.51 0.1875
2025-01-23 2024-12-31 13F AMGEN COM 031162100 15,270 -1,154 -7.03 3,980 -24.81 0.1301
2024-11-07 2024-09-30 13F AMGEN COM 031162100 16,424 1,017 6.60 5,292 9.93 0.1926
2024-08-06 2024-06-30 13F AMGEN COM 031162100 15,407 6,319 69.53 4,814 86.30 0.1958
2024-04-29 2024-03-31 13F AMGEN COM 031162100 9,088 438 5.06 2,584 3.73 0.1481
2024-01-18 2023-12-31 13F AMGEN COM 031162100 8,650 340 4.09 2,492 11.55 0.1592
2023-10-18 2023-09-30 13F AMGEN COM 031162100 8,310 1,413 20.49 2,233 45.85 0.1690
2023-08-10 2023-06-30 13F AMGEN COM 031162100 6,897 -329 -4.55 1,531 -12.36 0.1124
2023-04-26 2023-03-31 13F AMGEN COM 031162100 7,226 804 12.52 1,747 3.62 0.1354
2023-01-23 2022-12-31 13F AMGEN COM 031162100 6,422 20 0.31 1,687 16.84 0.1570
2022-11-07 2022-09-30 13F AMGEN COM 031162100 6,402 -25 -0.39 1,443 -7.74 0.1390
2022-07-26 2022-06-30 13F AMGEN COM 031162100 6,427 -130 -1.98 1,564 -1.39 0.1534
2022-04-12 2022-03-31 13F AMGEN COM 031162100 6,557 419 6.83 1,586 14.84 0.1491
2022-01-18 2021-12-31 13F AMGEN COM 031162100 6,138 550 9.84 1,381 16.25 0.1138
2021-10-07 2021-09-30 13F AMGEN COM 031162100 5,588 -858 -13.31 1,188 -24.38 0.1062
2021-08-13 2021-06-30 13F AMGEN COM 031162100 6,446 42 0.66 1,571 -1.38 0.1429
2021-04-29 2021-03-31 13F AMGEN COM 031162100 6,404 -682 -9.62 1,593 -2.21 0.1742
2021-01-29 2020-12-31 13F AMGEN COM 031162100 7,086 -1,076 -13.18 1,629 -21.46 0.1857
2020-10-29 2020-09-30 13F AMGEN COM 031162100 8,162 -626 -7.12 2,074 0.05 0.2839
2020-08-05 2020-06-30 13F AMGEN COM 031162100 8,788 1,995 29.37 2,073 50.54 0.3115
2020-04-28 2020-03-31 13F AMGEN COM 031162100 6,793 232 3.54 1,377 -12.96 0.2608
2020-02-04 2019-12-31 13F AMGEN COM 031162100 6,561 239 3.78 1,582 29.35 0.2830
2019-10-31 2019-09-30 13F AMGEN COM 031162100 6,322 -105 -1.63 1,223 3.29 0.2387
2019-07-23 2019-06-30 13F AMGEN COM 031162100 6,427 -778 -10.80 1,184 -13.51 0.2314
2019-04-12 2019-03-31 13F AMGEN COM 031162100 7,205 860 13.55 1,369 10.85 0.2660
2019-01-29 2018-12-31 13F AMGEN COM 031162100 6,345 194 3.15 1,235 -3.14 0.2843
2018-10-17 2018-09-30 13F AMGEN COM 031162100 6,151 -450 -6.82 1,275 4.68 0.2593
2018-07-23 2018-06-30 13F AMGEN COM 031162100 6,601 -1,664 -20.13 1,218 -13.56 0.2576
2018-04-23 2018-03-31 13F AMGEN COM 031162100 8,265 32 0.39 1,409 -7.49 0.3008
2018-01-17 2017-12-31 13F AMGEN COM 031162100 8,233 190 2.36 1,523 1.53 0.2963
2017-10-23 2017-09-30 13F AMGEN COM 031162100 8,043 547 7.30 1,500 16.19 0.3125
2017-07-27 2017-06-30 13F AMGEN COM 031162100 7,496 1,475 24.50 1,291 30.67 0.2868
2017-04-21 2017-03-31 13F AMGEN COM 031162100 6,021 -1,038 -14.70 988 -4.26 0.2321
2017-01-24 2016-12-31 13F AMGEN COM 031162100 7,059 381 5.71 1,032 -7.36 0.2597
2016-11-15 2016-09-30 13F AMGEN COM 031162100 6,678 1,654 32.92 1,114 45.81 0.2527
2016-08-25 2016-06-30 13F AMGEN COM 031162100 5,024 -94 -1.84 764 -0.39 0.1863
2016-05-11 2016-03-31 13F AMGEN COM 031162100 5,118 5,118 767 0.1819
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.