BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Fiduciary Trust Co's Holding History (CIK: 0000035442)

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

Q2 2025

Shares 2,754 Value ($000) $346 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 2,935 Value ($000) $402 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 2,600 Value ($000) $398 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 3,234 Value ($000) $627 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 2,603 Value ($000) $603 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 2,685 Value ($000) $579 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 2,710 Value ($000) $701 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 2,814 Value ($000) $723 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 2,814 Value ($000) $802 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 2,885 Value ($000) $802 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 2,885 Value ($000) $799 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 2,885 Value ($000) $771 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 2,910 Value ($000) $593 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 2,920 Value ($000) $615 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 2,963 Value ($000) $711 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 3,003 Value ($000) $850 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 3,013 Value ($000) $1,043 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 5,388 Value ($000) $1,507 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 6,301 Value ($000) $1,543 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 6,841 Value ($000) $1,940 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 5,901 Value ($000) $1,579 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 4,577 Value ($000) $1,449 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 4,479 Value ($000) $1,329 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 3,839 Value ($000) $894 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 3,763 Value ($000) $880 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 4,114 Value ($000) $972 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 4,119 Value ($000) $1,240 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 4,161 Value ($000) $1,470 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 4,161 Value ($000) $1,207 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 4,987 Value ($000) $1,366 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 6,222 Value ($000) $1,982 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 6,264 Value ($000) $1,961 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 6,694 Value ($000) $1,817 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 6,731 Value ($000) $1,841 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 7,980 Value ($000) $2,263 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 8,837 Value ($000) $2,766 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 9,347 Value ($000) $2,260 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 9,596 Value ($000) $2,498 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 10,593 Value ($000) $3,246 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 16,460 Value ($000) $4,803 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 14,003 Value ($000) $5,657 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 13,198 Value ($000) $5,573 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 12,824 Value ($000) $4,353 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 11,759 Value ($000) $3,890 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 11,531 Value ($000) $3,636 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 7,145 Value ($000) $2,185 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 3,013 Value ($000) $843 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 1,753 Value ($000) $422 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 1,753 Value ($000) $377 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	2,754	$346	$124.60	$110.04 - $137.32
Q1 2025	2,935	$402	$142.96	$128.51 - $157.09
Q4 2024	2,600	$398	$168.67	$145.07 - $195.00
Q3 2024	3,234	$627	$209.21	$188.78 - $238.00
Q2 2024	2,603	$603	$217.32	$189.44 - $237.54
Q1 2024	2,685	$579	$234.20	$211.02 - $268.30
Q4 2023	2,710	$701	$245.62	$220.86 - $269.43
Q3 2023	2,814	$723	$267.47	$251.85 - $287.60
Q2 2023	2,814	$802	$297.86	$273.39 - $319.76
Q1 2023	2,885	$802	$276.70	$254.80 - $295.90
Q4 2022	2,885	$799	$282.44	$250.31 - $311.88
Q3 2022	2,885	$771	$212.38	$193.65 - $283.44
Q2 2022	2,910	$593	$204.43	$187.16 - $225.50
Q1 2022	2,920	$615	$217.46	$192.67 - $249.00
Q4 2021	2,963	$711	$257.12	$221.72 - $290.76
Q3 2021	3,003	$850	$327.75	$282.64 - $372.12
Q2 2021	3,013	$1,043	$302.94	$257.03 - $468.55
Q1 2021	5,388	$1,507	$269.69	$238.40 - $296.38
Q4 2020	6,301	$1,543	$259.08	$223.25 - $363.92
Q3 2020	6,841	$1,940	$278.91	$261.87 - $312.00
Q2 2020	5,901	$1,579	$300.59	$257.60 - $350.24
Q1 2020	4,577	$1,449	$303.47	$262.25 - $374.99
Q4 2019	4,479	$1,329	$277.46	$219.70 - $318.00
Q3 2019	3,839	$894	$232.85	$215.78 - $246.99
Q2 2019	3,763	$880	$230.90	$219.20 - $245.35
Q1 2019	4,114	$972	$314.89	$216.12 - $344.00
Q4 2018	4,119	$1,240	$319.14	$278.46 - $358.41
Q3 2018	4,161	$1,470	$344.30	$288.13 - $388.67
Q2 2018	4,161	$1,207	$281.15	$249.17 - $310.91
Q1 2018	4,987	$1,366	$310.41	$259.76 - $370.57
Q4 2017	6,222	$1,982	$320.80	$301.81 - $348.84
Q3 2017	6,264	$1,961	$296.11	$269.50 - $330.00
Q2 2017	6,694	$1,817	$264.42	$244.28 - $291.90
Q1 2017	6,731	$1,841	$282.75	$260.50 - $301.42
Q4 2016	7,980	$2,263	$296.43	$268.00 - $329.83
Q3 2016	8,837	$2,766	$296.18	$240.07 - $333.65
Q2 2016	9,347	$2,260	$263.54	$223.02 - $292.69
Q1 2016	9,596	$2,498	$264.15	$242.07 - $301.02
Q4 2015	10,593	$3,246	$287.35	$254.00 - $311.65
Q3 2015	16,460	$4,803	$330.23	$265.00 - $412.24
Q2 2015	14,003	$5,657	$401.33	$368.88 - $432.88
Q1 2015	13,198	$5,573	$394.14	$334.40 - $480.18
Q4 2014	12,824	$4,353	$323.51	$290.85 - $361.93
Q3 2014	11,759	$3,890	$329.72	$298.31 - $349.00
Q2 2014	11,531	$3,636	$300.97	$272.02 - $322.25
Q1 2014	7,145	$2,185	$317.43	$270.62 - $358.89
Q4 2013	3,013	$843	$258.65	$221.07 - $298.82
Q3 2013	1,753	$422	$223.81	$203.55 - $248.95
Q2 2013	1,753	$377	$213.68	$191.80 - $242.64