BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

SENTRY INVESTMENT MANAGEMENT LLC's Holding History (CIK: 0000089014)

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

Q4 2025

Shares 305 Value ($000) $0 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 305 Value ($000) $0 Avg Close $135.17 Range $121.05 - $150.28

Q1 2025

Shares 454 Value ($000) $0 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 589 Value ($000) $0 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 685 Value ($000) $0 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 422 Value ($000) $0 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 758 Value ($000) $0 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 758 Value ($000) $0 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 839 Value ($000) $0 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 953 Value ($000) $0 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 953 Value ($000) $0 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 979 Value ($000) $0 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 979 Value ($000) $261 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 979 Value ($000) $200 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 1,170 Value ($000) $246 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 1,398 Value ($000) $335 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 1,244 Value ($000) $352 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 1,426 Value ($000) $494 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 1,663 Value ($000) $465 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 9,982 Value ($000) $2,444 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 10,199 Value ($000) $2,893 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 10,202 Value ($000) $2,730 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 11,291 Value ($000) $3,572 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 10,697 Value ($000) $3,174 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 10,697 Value ($000) $2,490 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 12,216 Value ($000) $2,857 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 22,080 Value ($000) $5,219 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 24,501 Value ($000) $7,373 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 25,614 Value ($000) $9,050 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 23,956 Value ($000) $6,953 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 25,345 Value ($000) $6,940 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 27,755 Value ($000) $8,842 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 27,353 Value ($000) $8,565 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 27,364 Value ($000) $7,425 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 27,037 Value ($000) $7,392 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 26,660 Value ($000) $7,560 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 26,660 Value ($000) $8,345 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 23,609 Value ($000) $5,709 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 23,270 Value ($000) $6,058 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 23,270 Value ($000) $7,129 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 29,267 Value ($000) $8,540 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 26,009 Value ($000) $10,506 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 23,433 Value ($000) $9,894 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 18,024 Value ($000) $6,118 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 14,430 Value ($000) $4,774 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 15,851 Value ($000) $4,998 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 13,600 Value ($000) $4,160 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 13,200 Value ($000) $3,690 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 9,000 Value ($000) $2,167 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 6,200 Value ($000) $1,334 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	305	$0	$163.37	$138.00 - $185.17
Q3 2025	305	$0	$135.17	$121.05 - $150.28
Q1 2025	454	$0	$142.96	$128.51 - $157.09
Q4 2024	589	$0	$168.67	$145.07 - $195.00
Q3 2024	685	$0	$209.21	$188.78 - $238.00
Q2 2024	422	$0	$217.32	$189.44 - $237.54
Q1 2024	758	$0	$234.20	$211.02 - $268.30
Q4 2023	758	$0	$245.62	$220.86 - $269.43
Q3 2023	839	$0	$267.47	$251.85 - $287.60
Q2 2023	953	$0	$297.86	$273.39 - $319.76
Q1 2023	953	$0	$276.70	$254.80 - $295.90
Q4 2022	979	$0	$282.44	$250.31 - $311.88
Q3 2022	979	$261	$212.38	$193.65 - $283.44
Q2 2022	979	$200	$204.43	$187.16 - $225.50
Q1 2022	1,170	$246	$217.46	$192.67 - $249.00
Q4 2021	1,398	$335	$257.12	$221.72 - $290.76
Q3 2021	1,244	$352	$327.75	$282.64 - $372.12
Q2 2021	1,426	$494	$302.94	$257.03 - $468.55
Q1 2021	1,663	$465	$269.69	$238.40 - $296.38
Q4 2020	9,982	$2,444	$259.08	$223.25 - $363.92
Q3 2020	10,199	$2,893	$278.91	$261.87 - $312.00
Q2 2020	10,202	$2,730	$300.59	$257.60 - $350.24
Q1 2020	11,291	$3,572	$303.47	$262.25 - $374.99
Q4 2019	10,697	$3,174	$277.46	$219.70 - $318.00
Q3 2019	10,697	$2,490	$232.85	$215.78 - $246.99
Q2 2019	12,216	$2,857	$230.90	$219.20 - $245.35
Q1 2019	22,080	$5,219	$314.89	$216.12 - $344.00
Q4 2018	24,501	$7,373	$319.14	$278.46 - $358.41
Q3 2018	25,614	$9,050	$344.30	$288.13 - $388.67
Q2 2018	23,956	$6,953	$281.15	$249.17 - $310.91
Q1 2018	25,345	$6,940	$310.41	$259.76 - $370.57
Q4 2017	27,755	$8,842	$320.80	$301.81 - $348.84
Q3 2017	27,353	$8,565	$296.11	$269.50 - $330.00
Q2 2017	27,364	$7,425	$264.42	$244.28 - $291.90
Q1 2017	27,037	$7,392	$282.75	$260.50 - $301.42
Q4 2016	26,660	$7,560	$296.43	$268.00 - $329.83
Q3 2016	26,660	$8,345	$296.18	$240.07 - $333.65
Q2 2016	23,609	$5,709	$263.54	$223.02 - $292.69
Q1 2016	23,270	$6,058	$264.15	$242.07 - $301.02
Q4 2015	23,270	$7,129	$287.35	$254.00 - $311.65
Q3 2015	29,267	$8,540	$330.23	$265.00 - $412.24
Q2 2015	26,009	$10,506	$401.33	$368.88 - $432.88
Q1 2015	23,433	$9,894	$394.14	$334.40 - $480.18
Q4 2014	18,024	$6,118	$323.51	$290.85 - $361.93
Q3 2014	14,430	$4,774	$329.72	$298.31 - $349.00
Q2 2014	15,851	$4,998	$300.97	$272.02 - $322.25
Q1 2014	13,600	$4,160	$317.43	$270.62 - $358.89
Q4 2013	13,200	$3,690	$258.65	$221.07 - $298.82
Q3 2013	9,000	$2,167	$223.81	$203.55 - $248.95
Q2 2013	6,200	$1,334	$213.68	$191.80 - $242.64