Amgen Inc.
MX ˙ BMV ˙ NL0000888691
SecurityMX:AMGN / Amgen Inc.
InstitutionOssiam
Latest Disclosed Ownership113,495 shares
Latest Disclosed Value $ 39,933,216
Ossiam reports 653.92% increase in ownership of AMGN / Amgen Inc.

On May 14, 2026 - Ossiam filed a 13F-HR form disclosing ownership of 113,495 shares of Amgen Inc. (MX:AMGN) valued at $39,933,216 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 15,054 shares of Amgen Inc.. This represents a change in shares of 653.92% 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)
2026-05-14 2026-03-31 13F AMGEN COM 031162100 113,495 98,441 653.92 39,933 710.49 0.7024
2026-02-13 2025-12-31 13F AMGEN COM 031162100 15,054 5,024 50.09 4,927 74.10 0.0984
2025-11-14 2025-09-30 13F AMGEN COM 031162100 10,030 -43 -0.43 2,830 0.64 0.0364
2025-08-13 2025-06-30 13F AMGEN COM 031162100 10,073 -13,818 -57.84 2,812 -62.22 0.0316
2025-05-14 2025-03-31 13F AMGEN COM 031162100 23,891 11,661 95.35 7,443 133.54 0.1039
2025-02-13 2024-12-31 13F AMGEN COM 031162100 12,230 -501 -3.94 3,188 -22.31 0.0550
2024-11-13 2024-09-30 13F AMGEN COM 031162100 12,731 -192,941 -93.81 4,102 -93.62 0.0793
2024-08-13 2024-06-30 13F AMGEN COM 031162100 205,672 156,258 316.22 64,262 357.41 1.2179
2024-05-13 2024-03-31 13F AMGEN COM 031162100 49,414 29,975 154.20 14,049 150.96 0.2461
2024-02-13 2023-12-31 13F AMGEN COM 031162100 19,439 -228,853 -92.17 5,599 -91.61 0.0902
2023-11-14 2023-09-30 13F AMGEN COM 031162100 248,292 19,901 8.71 66,731 31.60 1.1792
2023-08-11 2023-06-30 13F AMGEN COM 031162100 228,391 184,926 425.46 50,707 382.60 0.9110
2023-05-12 2023-03-31 13F AMGEN COM 031162100 43,465 -13,047 -23.09 10,508 -29.21 0.2183
2023-02-13 2022-12-31 13F AMGEN COM 031162100 56,512 30,266 115.32 14,842 150.88 0.3847
2022-11-14 2022-09-30 13F AMGEN COM 031162100 26,246 -68,565 -72.32 5,916 -74.35 0.1713
2022-08-12 2022-06-30 13F AMGEN COM 031162100 94,811 17,967 23.38 23,068 24.14 0.6941
2022-05-13 2022-03-31 13F AMGEN COM 031162100 76,844 64,825 539.35 18,582 587.20 0.4862
2022-02-14 2021-12-31 13F AMGEN COM 031162100 12,019 6,250 108.34 2,704 120.37 0.0708
2021-11-12 2021-09-30 13F AMGEN COM 031162100 5,769 -46,398 -88.94 1,227 -90.26 0.0347
2021-08-13 2021-06-30 13F AMGEN COM 031162100 52,167 25,788 97.76 12,600 91.99 0.3419
2021-05-17 2021-03-31 13F AMGEN COM 031162100 26,379 26,031 7,480.17 6,563 8,103.75 0.2043
2021-02-12 2020-12-31 13F AMGEN COM 031162100 348 -6,942 -95.23 80 -95.68 0.0028
2020-11-12 2020-09-30 13F AMGEN COM 031162100 7,290 -23,842 -76.58 1,853 -74.77 0.0776
2020-08-13 2020-06-30 13F AMGEN COM 031162100 31,132 -30,910 -49.82 7,343 -41.62 0.4695
2020-05-14 2020-03-31 13F AMGEN COM 031162100 62,042 -68,803 -52.58 12,578 -60.12 0.8561
2020-02-14 2019-12-31 13F AMGEN COM 031162100 130,845 130,396 29,041.43 31,543 36,156.32 2.4051
2019-11-13 2019-09-30 13F AMGEN COM 031162100 449 -34 -7.04 87 -2.25 0.0061
2019-08-13 2019-06-30 13F AMGEN COM 031162100 483 483 89 0.0069
2019-05-15 2019-03-31 13F AMGEN COM 031162100 0 -2,478 -100.00 0 -100.00
2019-02-14 2018-12-31 13F AMGEN COM 031162100 2,478 2,478 482 0.0725
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.