Amgen Inc.
MX ˙ BMV ˙ NL0000888691
SecurityMX:AMGN / Amgen Inc.
InstitutionBrookstone Capital Management
Latest Disclosed Ownership76,338 shares
Latest Disclosed Value $ 26,859,401
Brookstone Capital Management reports 2.59% increase in ownership of AMGN / Amgen Inc.

On April 16, 2026 - Brookstone Capital Management filed a 13F-HR form disclosing ownership of 76,338 shares of Amgen Inc. (MX:AMGN) valued at $26,859,401 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 15, 2026 disclosing 74,409 shares of Amgen Inc.. This represents a change in shares of 2.59% 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)
2026-04-16 2026-03-31 13F AMGEN COM 031162100 76,338 1,929 2.59 26,859 10.29 0.3070
2026-01-15 2025-12-31 13F AMGEN COM 031162100 74,409 3,098 4.34 24,355 21.02 0.2786
2025-10-15 2025-09-30 13F AMGEN COM 031162100 71,311 16,042 29.03 20,124 30.41 0.2401
2025-07-30 2025-06-30 13F AMGEN COM 031162100 55,269 5,517 11.09 15,432 -0.45 0.2024
2025-04-29 2025-03-31 13F AMGEN COM 031162100 49,752 30,500 158.43 15,500 208.95 0.2221
2025-01-13 2024-12-31 13F AMGEN COM 031162100 19,252 1,462 8.22 5,018 -12.47 0.0730
2024-10-08 2024-09-30 13F AMGEN COM 031162100 17,790 1,214 7.32 5,732 3.02 0.0845
2024-07-18 2024-06-30 13F AMGEN COM 031162100 16,576 8,350 101.51 5,564 137.98 0.0923
2024-04-15 2024-03-31 13F AMGEN COM 031162100 8,226 -45,873 -84.79 2,339 -84.99 0.0418
2024-01-11 2023-12-31 13F AMGEN COM 031162100 54,099 -6,101 -10.13 15,582 -7.76 0.3030
2023-10-20 2023-09-30 13F AMGEN COM 031162100 60,200 -8,331 -12.16 16,892 12.73 0.3708
2023-07-11 2023-06-30 13F AMGEN COM 031162100 68,531 3,725 5.75 14,984 -6.79 0.3015
2023-04-19 2023-03-31 13F AMGEN COM 031162100 64,806 57,482 784.84 16,076 697.82 0.3129
2023-01-09 2022-12-31 13F AMGEN COM 031162100 7,324 -40,089 -84.55 2,016 -82.75 0.0408
2022-10-14 2022-09-30 13F AMGEN COM 031162100 47,413 3,375 7.66 11,684 6.77 0.2701
2022-07-11 2022-06-30 13F AMGEN COM 031162100 44,038 12,570 39.95 10,943 38.62 0.2422
2022-04-12 2022-03-31 13F AMGEN COM 031162100 31,468 4,531 16.82 7,894 28.92 0.1544
2022-01-11 2021-12-31 13F AMGEN COM 031162100 26,937 20,659 329.07 6,123 379.11 0.1055
2021-11-03 2021-09-30 13F AMGEN COM 031162100 6,278 -1,563 -19.93 1,278 -33.44 0.0230
2021-07-14 2021-06-30 13F AMGEN COM 031162100 7,841 3,112 65.81 1,920 63.13 0.0344
2021-04-16 2021-03-31 13F AMGEN COM 031162100 4,729 -483 -9.27 1,177 -1.75 0.0451
2021-01-13 2020-12-31 13F AMGEN COM 031162100 5,212 -499 -8.74 1,198 -17.44 0.0476
2020-10-13 2020-09-30 13F AMGEN COM 031162100 5,711 1,356 31.14 1,451 41.29 0.0670
2020-07-21 2020-06-30 13F AMGEN COM 031162100 4,355 -2,465 -36.14 1,027 -25.74 0.0640
2020-04-14 2020-03-31 13F AMGEN COM 031162100 6,820 -2,391 -25.96 1,383 -37.70 0.0795
2020-01-29 2019-12-31 13F AMGEN COM 031162100 9,211 -1,628 -15.02 2,220 5.82 0.1127
2019-10-18 2019-09-30 13F AMGEN COM 031162100 10,839 -2,873 -20.95 2,098 -16.98 0.1139
2019-07-25 2019-06-30 13F AMGEN COM 031162100 13,712 11,262 459.67 2,527 442.27 0.1460
2019-04-18 2019-03-31 13F AMGEN COM 031162100 2,450 -998 -28.94 466 -30.55 0.0302
2019-02-05 2018-12-31 13F AMGEN COM 031162100 3,448 -4,499 -56.61 671 -59.26 0.0509
2018-11-05 2018-09-30 13F AMGEN COM 031162100 7,947 -108 -1.34 1,647 10.76 0.1253
2018-08-06 2018-06-30 13F AMGEN COM 031162100 8,055 3,823 90.34 1,487 106.24 0.1295
2018-04-23 2018-03-31 13F AMGEN COM 031162100 4,232 373 9.67 721 7.45 0.0654
2018-02-07 2017-12-31 13F AMGEN COM 031162100 3,859 -336 -8.01 671 -14.19 0.0603
2017-10-31 2017-09-30 13F AMGEN COM 031162100 4,195 -364 -7.98 782 -0.38 0.0708
2017-08-08 2017-06-30 13F AMGEN COM 031162100 4,559 61 1.36 785 6.37 0.0748
2017-04-28 2017-03-31 13F AMGEN COM 031162100 4,498 4,498 738 0.0747
2016-04-14 2016-03-31 13F AMGEN INC COM COM 031162100 0 0 0 0.0000
2016-01-14 2015-12-31 13F AMGEN INC COM COM 031162100 0 -203 -100.00 0 -100.00
2015-10-28 2015-09-30 13F AMGEN INC COM COM 031162100 203 -286 -58.49 28 -62.67 0.0051
2015-08-11 2015-06-30 13F AMGEN INC COM COM 031162100 489 489 75 0.0094
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.