AMGEN INC

Ticker: AMGN CUSIP: 031162100 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 140,997 Value ($000) $46,150 Avg Close $315.95 Range $281.00 - $346.38

Q3 2025

Shares 145,597 Value ($000) $41,087 Avg Close $286.59 Range $267.86 - $306.59

Q2 2025

Shares 146,197 Value ($000) $40,820 Avg Close $277.77 Range $255.23 - $307.44

Q1 2025

Shares 145,697 Value ($000) $45,392 Avg Close $287.24 Range $248.95 - $327.92

Q4 2024

Shares 145,897 Value ($000) $38,027 Avg Close $286.05 Range $245.31 - $316.26

Q3 2024

Shares 146,297 Value ($000) $47,138 Avg Close $313.17 Range $292.07 - $330.95

Q2 2024

Shares 146,897 Value ($000) $45,898 Avg Close $279.32 Range $246.97 - $311.17

Q1 2024

Shares 146,597 Value ($000) $41,680 Avg Close $276.08 Range $254.07 - $309.96

Q4 2023

Shares 146,497 Value ($000) $42,194 Avg Close $255.10 Range $232.90 - $271.72

Q3 2023

Shares 146,597 Value ($000) $39,399 Avg Close $231.86 Range $202.11 - $255.21

Q2 2023

Shares 146,897 Value ($000) $32,614 Avg Close $213.65 Range $195.88 - $235.05

Q1 2023

Shares 146,597 Value ($000) $35,440 Avg Close $224.03 Range $206.60 - $251.53

Q4 2022

Shares 144,997 Value ($000) $38,082 Avg Close $242.73 Range $204.31 - $267.70

Q3 2022

Shares 144,797 Value ($000) $32,637 Avg Close $217.87 Range $201.50 - $227.98

Q2 2022

Shares 144,097 Value ($000) $35,059 Avg Close $218.58 Range $201.93 - $231.00

Q1 2022

Shares 157,989 Value ($000) $38,205 Avg Close $203.29 Range $190.45 - $218.06

Q4 2021

Shares 157,674 Value ($000) $35,472 Avg Close $185.15 Range $174.95 - $203.49

Q3 2021

Shares 147,182 Value ($000) $31,298 Avg Close $200.25 Range $184.86 - $217.02

Q2 2021

Shares 149,082 Value ($000) $36,339 Avg Close $212.50 Range $198.84 - $224.64

Q1 2021

Shares 218,882 Value ($000) $54,460 Avg Close $204.69 Range $189.57 - $236.38

Q4 2020

Shares 220,282 Value ($000) $50,647 Avg Close $196.32 Range $178.44 - $219.36

Q3 2020

Shares 289,582 Value ($000) $73,600 Avg Close $209.54 Range $196.05 - $223.35

Q2 2020

Shares 285,082 Value ($000) $67,239 Avg Close $191.68 Range $162.60 - $206.00

Q1 2020

Shares 270,994 Value ($000) $54,939 Avg Close $182.24 Range $148.24 - $202.72

Q4 2019

Shares 278,494 Value ($000) $67,137 Avg Close $182.69 Range $155.91 - $203.67

Q3 2019

Shares 308,594 Value ($000) $59,716 Avg Close $158.01 Range $141.97 - $174.23

Q2 2019

Shares 310,394 Value ($000) $57,199 Avg Close $146.19 Range $135.21 - $160.07

Q1 2019

Shares 343,694 Value ($000) $65,295 Avg Close $154.67 Range $144.94 - $164.86

Q4 2018

Shares 346,794 Value ($000) $67,510 Avg Close $156.83 Range $143.85 - $168.62

Q3 2018

Shares 287,294 Value ($000) $59,553 Avg Close $157.37 Range $145.39 - $168.41

Q2 2018

Shares 291,594 Value ($000) $53,825 Avg Close $140.24 Range $128.97 - $149.68

Q1 2018

Shares 196,794 Value ($000) $33,549 Avg Close $144.43 Range $131.87 - $157.72

Q4 2017

Shares 212,794 Value ($000) $37,005 Avg Close $138.21 Range $131.02 - $147.91

Q3 2017

Shares 221,394 Value ($000) $41,279 Avg Close $137.50 Range $129.63 - $148.76

Q2 2017

Shares 241,894 Value ($000) $41,661 Avg Close $125.35 Range $117.66 - $135.67

Q1 2017

Shares 241,894 Value ($000) $39,688 Avg Close $127.19 Range $112.17 - $141.42

Q4 2016

Shares 251,794 Value ($000) $36,815 Avg Close $114.37 Range $101.21 - $127.75

Q3 2016

Shares 261,162 Value ($000) $43,564 Avg Close $127.72 Range $114.64 - $133.93

Q2 2016

Shares 260,962 Value ($000) $39,705 Avg Close $116.70 Range $108.29 - $123.20

Q1 2016

Shares 258,962 Value ($000) $38,826 Avg Close $110.79 Range $103.99 - $119.01

Q4 2015

Shares 257,962 Value ($000) $41,875 Avg Close $116.50 Range $100.25 - $122.74

Q3 2015

Shares 273,862 Value ($000) $37,881 Avg Close $116.24 Range $96.15 - $133.76

Q2 2015

Shares 294,862 Value ($000) $45,267 Avg Close $117.59 Range $110.98 - $127.09

Q1 2015

Shares 292,762 Value ($000) $46,798 Avg Close $115.04 Range $107.36 - $126.18

Q4 2014

Shares 313,362 Value ($000) $49,915 Avg Close $113.30 Range $92.62 - $126.09

Q3 2014

Shares 371,362 Value ($000) $52,162 Avg Close $94.52 Range $82.98 - $104.80

Q2 2014

Shares 370,162 Value ($000) $43,816 Avg Close $83.37 Range $77.69 - $91.37

Q1 2014

Shares 368,162 Value ($000) $45,409 Avg Close $86.89 Range $80.81 - $92.60

Q4 2013

Shares 366,562 Value ($000) $41,847 Avg Close $81.11 Range $75.24 - $85.16

Q3 2013

Shares 366,462 Value ($000) $41,022 Avg Close $76.98 Range $67.33 - $83.88

Q2 2013

Shares 364,562 Value ($000) $35,968 Avg Close $73.34 Range $66.69 - $81.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	140,997	$46,150	$315.95	$281.00 - $346.38
Q3 2025	145,597	$41,087	$286.59	$267.86 - $306.59
Q2 2025	146,197	$40,820	$277.77	$255.23 - $307.44
Q1 2025	145,697	$45,392	$287.24	$248.95 - $327.92
Q4 2024	145,897	$38,027	$286.05	$245.31 - $316.26
Q3 2024	146,297	$47,138	$313.17	$292.07 - $330.95
Q2 2024	146,897	$45,898	$279.32	$246.97 - $311.17
Q1 2024	146,597	$41,680	$276.08	$254.07 - $309.96
Q4 2023	146,497	$42,194	$255.10	$232.90 - $271.72
Q3 2023	146,597	$39,399	$231.86	$202.11 - $255.21
Q2 2023	146,897	$32,614	$213.65	$195.88 - $235.05
Q1 2023	146,597	$35,440	$224.03	$206.60 - $251.53
Q4 2022	144,997	$38,082	$242.73	$204.31 - $267.70
Q3 2022	144,797	$32,637	$217.87	$201.50 - $227.98
Q2 2022	144,097	$35,059	$218.58	$201.93 - $231.00
Q1 2022	157,989	$38,205	$203.29	$190.45 - $218.06
Q4 2021	157,674	$35,472	$185.15	$174.95 - $203.49
Q3 2021	147,182	$31,298	$200.25	$184.86 - $217.02
Q2 2021	149,082	$36,339	$212.50	$198.84 - $224.64
Q1 2021	218,882	$54,460	$204.69	$189.57 - $236.38
Q4 2020	220,282	$50,647	$196.32	$178.44 - $219.36
Q3 2020	289,582	$73,600	$209.54	$196.05 - $223.35
Q2 2020	285,082	$67,239	$191.68	$162.60 - $206.00
Q1 2020	270,994	$54,939	$182.24	$148.24 - $202.72
Q4 2019	278,494	$67,137	$182.69	$155.91 - $203.67
Q3 2019	308,594	$59,716	$158.01	$141.97 - $174.23
Q2 2019	310,394	$57,199	$146.19	$135.21 - $160.07
Q1 2019	343,694	$65,295	$154.67	$144.94 - $164.86
Q4 2018	346,794	$67,510	$156.83	$143.85 - $168.62
Q3 2018	287,294	$59,553	$157.37	$145.39 - $168.41
Q2 2018	291,594	$53,825	$140.24	$128.97 - $149.68
Q1 2018	196,794	$33,549	$144.43	$131.87 - $157.72
Q4 2017	212,794	$37,005	$138.21	$131.02 - $147.91
Q3 2017	221,394	$41,279	$137.50	$129.63 - $148.76
Q2 2017	241,894	$41,661	$125.35	$117.66 - $135.67
Q1 2017	241,894	$39,688	$127.19	$112.17 - $141.42
Q4 2016	251,794	$36,815	$114.37	$101.21 - $127.75
Q3 2016	261,162	$43,564	$127.72	$114.64 - $133.93
Q2 2016	260,962	$39,705	$116.70	$108.29 - $123.20
Q1 2016	258,962	$38,826	$110.79	$103.99 - $119.01
Q4 2015	257,962	$41,875	$116.50	$100.25 - $122.74
Q3 2015	273,862	$37,881	$116.24	$96.15 - $133.76
Q2 2015	294,862	$45,267	$117.59	$110.98 - $127.09
Q1 2015	292,762	$46,798	$115.04	$107.36 - $126.18
Q4 2014	313,362	$49,915	$113.30	$92.62 - $126.09
Q3 2014	371,362	$52,162	$94.52	$82.98 - $104.80
Q2 2014	370,162	$43,816	$83.37	$77.69 - $91.37
Q1 2014	368,162	$45,409	$86.89	$80.81 - $92.60
Q4 2013	366,562	$41,847	$81.11	$75.24 - $85.16
Q3 2013	366,462	$41,022	$76.98	$67.33 - $83.88
Q2 2013	364,562	$35,968	$73.34	$66.69 - $81.06