BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

NEW YORK STATE COMMON RETIREMENT FUND's Holding History (CIK: 0000810265)

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

Q4 2025

Shares 99,245 Value ($000) $17,466 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 143,465 Value ($000) $20,097 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 140,245 Value ($000) $17,613 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 131,146 Value ($000) $17,946 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 111,016 Value ($000) $16,977 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 94,745 Value ($000) $18,365 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 111,252 Value ($000) $25,790 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 109,175 Value ($000) $23,541 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 123,203 Value ($000) $31,881 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 135,980 Value ($000) $34,948 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 156,740 Value ($000) $44,647 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 157,845 Value ($000) $43,886 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 164,038 Value ($000) $45,425 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 164,214 Value ($000) $43,845 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 168,374 Value ($000) $34,338 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 277,011 Value ($000) $58,339 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 272,031 Value ($000) $65,266 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 277,713 Value ($000) $78,590 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 288,789 Value ($000) $99,999 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 292,000 Value ($000) $81,687 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 314,084 Value ($000) $76,907 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 340,988 Value ($000) $96,731 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 358,549 Value ($000) $95,930 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 409,397 Value ($000) $129,525 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 420,110 Value ($000) $124,659 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 440,705 Value ($000) $102,605 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 463,714 Value ($000) $108,449 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 474,225 Value ($000) $112,097 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 484,080 Value ($000) $145,669 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 512,680 Value ($000) $181,135 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 535,068 Value ($000) $155,298 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 568,418 Value ($000) $155,644 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 572,068 Value ($000) $182,244 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 571,668 Value ($000) $179,001 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 581,868 Value ($000) $157,896 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 600,199 Value ($000) $164,106 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 599,998 Value ($000) $170,147 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 627,989 Value ($000) $196,579 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 616,100 Value ($000) $148,985 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 618,940 Value ($000) $161,122 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 620,977 Value ($000) $190,236 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 676,332 Value ($000) $197,360 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 670,121 Value ($000) $270,689 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 757,354 Value ($000) $319,785 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 781,758 Value ($000) $265,368 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 798,145 Value ($000) $264,034 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 790,009 Value ($000) $249,098 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 790,507 Value ($000) $241,792 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 803,672 Value ($000) $224,827 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 791,689 Value ($000) $190,607 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 776,499 Value ($000) $167,103 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	99,245	$17,466	$163.37	$138.00 - $185.17
Q3 2025	143,465	$20,097	$135.17	$121.05 - $150.28
Q2 2025	140,245	$17,613	$124.60	$110.04 - $137.32
Q1 2025	131,146	$17,946	$142.96	$128.51 - $157.09
Q4 2024	111,016	$16,977	$168.67	$145.07 - $195.00
Q3 2024	94,745	$18,365	$209.21	$188.78 - $238.00
Q2 2024	111,252	$25,790	$217.32	$189.44 - $237.54
Q1 2024	109,175	$23,541	$234.20	$211.02 - $268.30
Q4 2023	123,203	$31,881	$245.62	$220.86 - $269.43
Q3 2023	135,980	$34,948	$267.47	$251.85 - $287.60
Q2 2023	156,740	$44,647	$297.86	$273.39 - $319.76
Q1 2023	157,845	$43,886	$276.70	$254.80 - $295.90
Q4 2022	164,038	$45,425	$282.44	$250.31 - $311.88
Q3 2022	164,214	$43,845	$212.38	$193.65 - $283.44
Q2 2022	168,374	$34,338	$204.43	$187.16 - $225.50
Q1 2022	277,011	$58,339	$217.46	$192.67 - $249.00
Q4 2021	272,031	$65,266	$257.12	$221.72 - $290.76
Q3 2021	277,713	$78,590	$327.75	$282.64 - $372.12
Q2 2021	288,789	$99,999	$302.94	$257.03 - $468.55
Q1 2021	292,000	$81,687	$269.69	$238.40 - $296.38
Q4 2020	314,084	$76,907	$259.08	$223.25 - $363.92
Q3 2020	340,988	$96,731	$278.91	$261.87 - $312.00
Q2 2020	358,549	$95,930	$300.59	$257.60 - $350.24
Q1 2020	409,397	$129,525	$303.47	$262.25 - $374.99
Q4 2019	420,110	$124,659	$277.46	$219.70 - $318.00
Q3 2019	440,705	$102,605	$232.85	$215.78 - $246.99
Q2 2019	463,714	$108,449	$230.90	$219.20 - $245.35
Q1 2019	474,225	$112,097	$314.89	$216.12 - $344.00
Q4 2018	484,080	$145,669	$319.14	$278.46 - $358.41
Q3 2018	512,680	$181,135	$344.30	$288.13 - $388.67
Q2 2018	535,068	$155,298	$281.15	$249.17 - $310.91
Q1 2018	568,418	$155,644	$310.41	$259.76 - $370.57
Q4 2017	572,068	$182,244	$320.80	$301.81 - $348.84
Q3 2017	571,668	$179,001	$296.11	$269.50 - $330.00
Q2 2017	581,868	$157,896	$264.42	$244.28 - $291.90
Q1 2017	600,199	$164,106	$282.75	$260.50 - $301.42
Q4 2016	599,998	$170,147	$296.43	$268.00 - $329.83
Q3 2016	627,989	$196,579	$296.18	$240.07 - $333.65
Q2 2016	616,100	$148,985	$263.54	$223.02 - $292.69
Q1 2016	618,940	$161,122	$264.15	$242.07 - $301.02
Q4 2015	620,977	$190,236	$287.35	$254.00 - $311.65
Q3 2015	676,332	$197,360	$330.23	$265.00 - $412.24
Q2 2015	670,121	$270,689	$401.33	$368.88 - $432.88
Q1 2015	757,354	$319,785	$394.14	$334.40 - $480.18
Q4 2014	781,758	$265,368	$323.51	$290.85 - $361.93
Q3 2014	798,145	$264,034	$329.72	$298.31 - $349.00
Q2 2014	790,009	$249,098	$300.97	$272.02 - $322.25
Q1 2014	790,507	$241,792	$317.43	$270.62 - $358.89
Q4 2013	803,672	$224,827	$258.65	$221.07 - $298.82
Q3 2013	791,689	$190,607	$223.81	$203.55 - $248.95
Q2 2013	776,499	$167,103	$213.68	$191.80 - $242.64