BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

FEDERATED HERMES, INC.'s Holding History (CIK: 0001056288)

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

Q4 2025

Shares 131,168 Value ($000) $23,084 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 124,922 Value ($000) $17,499 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 120,277 Value ($000) $15,106 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 103,208 Value ($000) $14,123 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 101,403 Value ($000) $15,507 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 102,584 Value ($000) $19,885 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 102,942 Value ($000) $23,864 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 102,724 Value ($000) $22,150 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 100,148 Value ($000) $25,915 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 104,468 Value ($000) $26,849 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 60,140 Value ($000) $17,131 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 62,871 Value ($000) $17,480 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 62,621 Value ($000) $17,341 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 134,649 Value ($000) $35,951 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 311,972 Value ($000) $63,624 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 219,987 Value ($000) $46,330 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 69,450 Value ($000) $16,662 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 5,435 Value ($000) $1,538 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 5,587 Value ($000) $1,935 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 7,379 Value ($000) $2,064 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 68,582 Value ($000) $16,794 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 111,594 Value ($000) $31,658 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 203,342 Value ($000) $54,404 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 144,736 Value ($000) $45,792 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 158,866 Value ($000) $47,140 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 320,719 Value ($000) $74,670 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 265,898 Value ($000) $62,186 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 214,474 Value ($000) $50,697 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 246,367 Value ($000) $74,136 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 225,093 Value ($000) $79,527 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 3,719 Value ($000) $1,079 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 3,749 Value ($000) $1,026 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 3,807 Value ($000) $1,212 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 3,705 Value ($000) $1,160 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 4,607 Value ($000) $1,250 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 8,375 Value ($000) $2,290 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 11,626 Value ($000) $3,297 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 23,809 Value ($000) $7,452 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 28,526 Value ($000) $6,898 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 25,824 Value ($000) $6,723 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 43,925 Value ($000) $13,456 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 467,861 Value ($000) $136,526 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 442,262 Value ($000) $178,647 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 441,746 Value ($000) $186,523 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 491,274 Value ($000) $166,763 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 453,580 Value ($000) $150,048 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 419,779 Value ($000) $132,361 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 423,937 Value ($000) $129,669 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 423,186 Value ($000) $118,386 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 435,891 Value ($000) $104,946 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 466,950 Value ($000) $100,488 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	131,168	$23,084	$163.37	$138.00 - $185.17
Q3 2025	124,922	$17,499	$135.17	$121.05 - $150.28
Q2 2025	120,277	$15,106	$124.60	$110.04 - $137.32
Q1 2025	103,208	$14,123	$142.96	$128.51 - $157.09
Q4 2024	101,403	$15,507	$168.67	$145.07 - $195.00
Q3 2024	102,584	$19,885	$209.21	$188.78 - $238.00
Q2 2024	102,942	$23,864	$217.32	$189.44 - $237.54
Q1 2024	102,724	$22,150	$234.20	$211.02 - $268.30
Q4 2023	100,148	$25,915	$245.62	$220.86 - $269.43
Q3 2023	104,468	$26,849	$267.47	$251.85 - $287.60
Q2 2023	60,140	$17,131	$297.86	$273.39 - $319.76
Q1 2023	62,871	$17,480	$276.70	$254.80 - $295.90
Q4 2022	62,621	$17,341	$282.44	$250.31 - $311.88
Q3 2022	134,649	$35,951	$212.38	$193.65 - $283.44
Q2 2022	311,972	$63,624	$204.43	$187.16 - $225.50
Q1 2022	219,987	$46,330	$217.46	$192.67 - $249.00
Q4 2021	69,450	$16,662	$257.12	$221.72 - $290.76
Q3 2021	5,435	$1,538	$327.75	$282.64 - $372.12
Q2 2021	5,587	$1,935	$302.94	$257.03 - $468.55
Q1 2021	7,379	$2,064	$269.69	$238.40 - $296.38
Q4 2020	68,582	$16,794	$259.08	$223.25 - $363.92
Q3 2020	111,594	$31,658	$278.91	$261.87 - $312.00
Q2 2020	203,342	$54,404	$300.59	$257.60 - $350.24
Q1 2020	144,736	$45,792	$303.47	$262.25 - $374.99
Q4 2019	158,866	$47,140	$277.46	$219.70 - $318.00
Q3 2019	320,719	$74,670	$232.85	$215.78 - $246.99
Q2 2019	265,898	$62,186	$230.90	$219.20 - $245.35
Q1 2019	214,474	$50,697	$314.89	$216.12 - $344.00
Q4 2018	246,367	$74,136	$319.14	$278.46 - $358.41
Q3 2018	225,093	$79,527	$344.30	$288.13 - $388.67
Q2 2018	3,719	$1,079	$281.15	$249.17 - $310.91
Q1 2018	3,749	$1,026	$310.41	$259.76 - $370.57
Q4 2017	3,807	$1,212	$320.80	$301.81 - $348.84
Q3 2017	3,705	$1,160	$296.11	$269.50 - $330.00
Q2 2017	4,607	$1,250	$264.42	$244.28 - $291.90
Q1 2017	8,375	$2,290	$282.75	$260.50 - $301.42
Q4 2016	11,626	$3,297	$296.43	$268.00 - $329.83
Q3 2016	23,809	$7,452	$296.18	$240.07 - $333.65
Q2 2016	28,526	$6,898	$263.54	$223.02 - $292.69
Q1 2016	25,824	$6,723	$264.15	$242.07 - $301.02
Q4 2015	43,925	$13,456	$287.35	$254.00 - $311.65
Q3 2015	467,861	$136,526	$330.23	$265.00 - $412.24
Q2 2015	442,262	$178,647	$401.33	$368.88 - $432.88
Q1 2015	441,746	$186,523	$394.14	$334.40 - $480.18
Q4 2014	491,274	$166,763	$323.51	$290.85 - $361.93
Q3 2014	453,580	$150,048	$329.72	$298.31 - $349.00
Q2 2014	419,779	$132,361	$300.97	$272.02 - $322.25
Q1 2014	423,937	$129,669	$317.43	$270.62 - $358.89
Q4 2013	423,186	$118,386	$258.65	$221.07 - $298.82
Q3 2013	435,891	$104,946	$223.81	$203.55 - $248.95
Q2 2013	466,950	$100,488	$213.68	$191.80 - $242.64