Amgen Inc.
CH ˙ SWX ˙ NL0000888691
SecurityCH:AMGN / Amgen Inc.
InstitutionWright Investors Service Inc
Latest Disclosed Ownership8,347 shares
Latest Disclosed Value $ 2,936,892
Wright Investors Service Inc reports 1.06% decrease in ownership of AMGN / Amgen Inc.

On April 29, 2026 - Wright Investors Service Inc filed a 13F-HR form disclosing ownership of 8,347 shares of Amgen Inc. (CH:AMGN) valued at $2,936,892 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 26, 2026 disclosing 8,436 shares of Amgen Inc.. This represents a change in shares of -1.06% 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)
2026-04-29 2026-03-31 13F AMGEN COM 031162100 8,347 -89 -1.06 2,937 6.34 0.9244
2026-01-26 2025-12-31 13F AMGEN COM 031162100 8,436 -1,360 -13.88 2,761 -0.11 0.8289
2025-10-28 2025-09-30 13F AMGEN COM 031162100 9,796 3,352 52.02 2,764 53.64 0.8004
2025-07-11 2025-06-30 13F AMGEN COM 031162100 6,444 -130 -1.98 1,799 -12.16 0.5431
2025-04-09 2025-03-31 13F AMGEN COM 031162100 6,574 6,574 2,048 0.6770
2021-11-01 2021-09-30 13F AMGEN COM 031162100 0 -6,893 -100.00 0 -100.00
2021-08-03 2021-06-30 13F AMGEN COM 031162100 6,893 495 7.74 1,680 5.53 0.4558
2021-04-29 2021-03-31 13F AMGEN COM 031162100 6,398 31 0.49 1,592 8.74 0.4821
2021-02-02 2020-12-31 13F AMGEN COM 031162100 6,367 -3,857 -37.72 1,464 -43.67 0.5026
2020-11-06 2020-09-30 13F AMGEN COM 031162100 10,224 -3,315 -24.48 2,599 -18.60 0.9247
2020-07-23 2020-06-30 13F AMGEN COM 031162100 13,539 -5,975 -30.62 3,193 -19.29 1.2254
2020-04-30 2020-03-31 13F AMGEN COM 031162100 19,514 41 0.21 3,956 -15.72 1.7042
2020-01-28 2019-12-31 13F AMGEN COM 031162100 19,473 -820 -4.04 4,694 19.56 1.6071
2019-11-01 2019-09-30 13F AMGEN COM 031162100 20,293 1,711 9.21 3,926 14.66 1.4100
2019-08-01 2019-06-30 13F AMGEN COM 031162100 18,582 118 0.64 3,424 -2.39 1.3045
2019-04-24 2019-03-31 13F AMGEN COM 031162100 18,464 -1,476 -7.40 3,508 -9.63 1.4175
2019-02-01 2018-12-31 13F AMGEN COM 031162100 19,940 587 3.03 3,882 -3.22 1.6631
2018-10-25 2018-09-30 13F AMGEN COM 031162100 19,353 -1 -0.01 4,011 12.26 1.4677
2018-08-02 2018-06-30 13F AMGEN COM 031162100 19,354 -544 -2.73 3,573 5.34 1.4196
2018-04-25 2018-03-31 13F AMGEN COM 031162100 19,898 -1,168 -5.54 3,392 -7.42 1.1664
2018-01-30 2017-12-31 13F AMGEN COM 031162100 21,066 604 2.95 3,664 -3.98 1.2265
2017-10-30 2017-09-30 13F AMGEN COM 031162100 20,462 1,292 6.74 3,816 15.60 1.3885
2017-07-21 2017-06-30 13F AMGEN COM 031162100 19,170 -480 -2.44 3,301 2.39 1.2474
2017-04-28 2017-03-31 13F AMGEN COM 031162100 19,650 1,150 6.22 3,224 19.19 1.3054
2017-01-27 2016-12-31 13F AMGEN COM 031162100 18,500 1,460 8.57 2,705 -4.82 1.1719
2016-10-20 2016-09-30 13F AMGEN COM 031162100 17,040 -515 -2.93 2,842 6.40 1.1858
2016-08-01 2016-06-30 13F AMGEN COM 031162100 17,555 0 0.00 2,671 1.48 1.0987
2016-04-25 2016-03-31 13F AMGEN COM 031162100 17,555 2,212 14.42 2,632 5.66 1.0422
2016-01-27 2015-12-31 13F AMGEN COM 031162100 15,343 -2,275 -12.91 2,491 2.22 0.9196
2015-10-27 2015-09-30 13F AMGEN COM 031162100 17,618 6,201 54.31 2,437 39.02 1.1017
2015-07-28 2015-06-30 13F AMGEN COM 031162100 11,417 275 2.47 1,753 -1.57 0.8360
2015-04-24 2015-03-31 13F AMGEN COM 031162100 11,142 11,142 0.00 1,781 0.8561
2015-02-04 2014-12-31 13F AMGEN COM 031162100 0 -12,699 -100.00 0 -100.00
2014-10-14 2014-09-30 13F AMGEN COM 031162100 12,699 1,939 18.02 1,784 40.03 0.8808
2014-07-22 2014-06-30 13F AMGEN COM 031162100 10,760 506 4.93 1,274 0.71 0.5759
2014-04-24 2014-03-31 13F AMGEN COM 031162100 10,254 -493 -4.59 1,265 3.18 0.5684
2014-01-28 2013-12-31 13F AMGEN COM 031162100 10,747 285 2.72 1,226 4.70 0.5405
2013-10-17 2013-09-30 13F Amgen COM 031162100 10,462 -1,144 -9.86 1,171 2.27 0.5304
2013-07-30 2013-06-30 13F Amgen COM 031162100 11,606 11,606 1,145 0.5414
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.