BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Boltwood Capital Management's Holding History (CIK: 0001563690)

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

Q4 2025

Shares 1,141 Value ($000) $201 Avg Close $163.37 Range $138.00 - $185.17

Q3 2024

Shares 1,197 Value ($000) $232 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 1,204 Value ($000) $279 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 1,260 Value ($000) $272 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 1,247 Value ($000) $323 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 1,257 Value ($000) $323 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 1,268 Value ($000) $361 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 1,288 Value ($000) $358 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 1,290 Value ($000) $357 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 1,317 Value ($000) $352 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 1,257 Value ($000) $256 Avg Close $204.43 Range $187.16 - $225.50

Q1 2019

Shares 2,116 Value ($000) $500 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 1,987 Value ($000) $597 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 2,026 Value ($000) $715 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 1,989 Value ($000) $577 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 1,944 Value ($000) $532 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 1,985 Value ($000) $632 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 2,610 Value ($000) $817 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 2,560 Value ($000) $694 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 2,460 Value ($000) $672 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 2,080 Value ($000) $589 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 2,100 Value ($000) $657 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 2,045 Value ($000) $495 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 1,920 Value ($000) $500 Avg Close $264.15 Range $242.07 - $301.02

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,141	$201	$163.37	$138.00 - $185.17
Q3 2024	1,197	$232	$209.21	$188.78 - $238.00
Q2 2024	1,204	$279	$217.32	$189.44 - $237.54
Q1 2024	1,260	$272	$234.20	$211.02 - $268.30
Q4 2023	1,247	$323	$245.62	$220.86 - $269.43
Q3 2023	1,257	$323	$267.47	$251.85 - $287.60
Q2 2023	1,268	$361	$297.86	$273.39 - $319.76
Q1 2023	1,288	$358	$276.70	$254.80 - $295.90
Q4 2022	1,290	$357	$282.44	$250.31 - $311.88
Q3 2022	1,317	$352	$212.38	$193.65 - $283.44
Q2 2022	1,257	$256	$204.43	$187.16 - $225.50
Q1 2019	2,116	$500	$314.89	$216.12 - $344.00
Q4 2018	1,987	$597	$319.14	$278.46 - $358.41
Q3 2018	2,026	$715	$344.30	$288.13 - $388.67
Q2 2018	1,989	$577	$281.15	$249.17 - $310.91
Q1 2018	1,944	$532	$310.41	$259.76 - $370.57
Q4 2017	1,985	$632	$320.80	$301.81 - $348.84
Q3 2017	2,610	$817	$296.11	$269.50 - $330.00
Q2 2017	2,560	$694	$264.42	$244.28 - $291.90
Q1 2017	2,460	$672	$282.75	$260.50 - $301.42
Q4 2016	2,080	$589	$296.43	$268.00 - $329.83
Q3 2016	2,100	$657	$296.18	$240.07 - $333.65
Q2 2016	2,045	$495	$263.54	$223.02 - $292.69
Q1 2016	1,920	$500	$264.15	$242.07 - $301.02