BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

APG Asset Management N.V.'s Holding History (CIK: 0001434819)

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

Q4 2025

Shares 95,072 Value ($000) $14,246 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 98,274 Value ($000) $11,716 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 98,295 Value ($000) $10,517 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 96,432 Value ($000) $12,216 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 105,446 Value ($000) $15,572 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 23,635 Value ($000) $4,105 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 129,576 Value ($000) $28,027 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 126,670 Value ($000) $25,291 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 123,236 Value ($000) $28,869 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 112,198 Value ($000) $28,836 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 126,272 Value ($000) $32,968 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 128,517 Value ($000) $32,888 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 165,121 Value ($000) $46 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 54,349 Value ($000) $14,813 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 44,234 Value ($000) $8,629 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 49,861 Value ($000) $9,438 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 27,861 Value ($000) $5,878 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 27,261 Value ($000) $6,657 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 63,261 Value ($000) $18,472 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 90,995 Value ($000) $21,659 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 178,121 Value ($000) $35,646 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 220,176 Value ($000) $53,264 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 226,976 Value ($000) $54,069 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 215,734 Value ($000) $68,254 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 285,922 Value ($000) $75,583 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 271,484 Value ($000) $57,977 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 574,330 Value ($000) $117,947 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 730,430 Value ($000) $153,769 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 729,030 Value ($000) $191,908 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 635,530 Value ($000) $193,318 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 618,030 Value ($000) $153,635 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 556,530 Value ($000) $123,909 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 519,030 Value ($000) $137,698 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 475,427 Value ($000) $148,866 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 444,727 Value ($000) $120,681 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 440,362 Value ($000) $120,404 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 535,425 Value ($000) $143,954 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 578,425 Value ($000) $181,064 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 578,425 Value ($000) $139,875 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 556,425 Value ($000) $144,849 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 492,591 Value ($000) $150,905,253 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 527,969 Value ($000) $154,067 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 546,714 Value ($000) $220,840 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 535,394 Value ($000) $226,065 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 543,884 Value ($000) $184,621 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 513,253 Value ($000) $169,789 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 498,476 Value ($000) $157,174 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 487,915 Value ($000) $149,239 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 478,008 Value ($000) $133,723 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 507,690 Value ($000) $122,231 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 555,751 Value ($000) $119,598 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	95,072	$14,246	$163.37	$138.00 - $185.17
Q3 2025	98,274	$11,716	$135.17	$121.05 - $150.28
Q2 2025	98,295	$10,517	$124.60	$110.04 - $137.32
Q1 2025	96,432	$12,216	$142.96	$128.51 - $157.09
Q4 2024	105,446	$15,572	$168.67	$145.07 - $195.00
Q3 2024	23,635	$4,105	$209.21	$188.78 - $238.00
Q2 2024	129,576	$28,027	$217.32	$189.44 - $237.54
Q1 2024	126,670	$25,291	$234.20	$211.02 - $268.30
Q4 2023	123,236	$28,869	$245.62	$220.86 - $269.43
Q3 2023	112,198	$28,836	$267.47	$251.85 - $287.60
Q2 2023	126,272	$32,968	$297.86	$273.39 - $319.76
Q1 2023	128,517	$32,888	$276.70	$254.80 - $295.90
Q4 2022	165,121	$46	$282.44	$250.31 - $311.88
Q3 2022	54,349	$14,813	$212.38	$193.65 - $283.44
Q2 2022	44,234	$8,629	$204.43	$187.16 - $225.50
Q1 2022	49,861	$9,438	$217.46	$192.67 - $249.00
Q4 2021	27,861	$5,878	$257.12	$221.72 - $290.76
Q3 2021	27,261	$6,657	$327.75	$282.64 - $372.12
Q2 2021	63,261	$18,472	$302.94	$257.03 - $468.55
Q1 2021	90,995	$21,659	$269.69	$238.40 - $296.38
Q4 2020	178,121	$35,646	$259.08	$223.25 - $363.92
Q3 2020	220,176	$53,264	$278.91	$261.87 - $312.00
Q2 2020	226,976	$54,069	$300.59	$257.60 - $350.24
Q1 2020	215,734	$68,254	$303.47	$262.25 - $374.99
Q4 2019	285,922	$75,583	$277.46	$219.70 - $318.00
Q3 2019	271,484	$57,977	$232.85	$215.78 - $246.99
Q2 2019	574,330	$117,947	$230.90	$219.20 - $245.35
Q1 2019	730,430	$153,769	$314.89	$216.12 - $344.00
Q4 2018	729,030	$191,908	$319.14	$278.46 - $358.41
Q3 2018	635,530	$193,318	$344.30	$288.13 - $388.67
Q2 2018	618,030	$153,635	$281.15	$249.17 - $310.91
Q1 2018	556,530	$123,909	$310.41	$259.76 - $370.57
Q4 2017	519,030	$137,698	$320.80	$301.81 - $348.84
Q3 2017	475,427	$148,866	$296.11	$269.50 - $330.00
Q2 2017	444,727	$120,681	$264.42	$244.28 - $291.90
Q1 2017	440,362	$120,404	$282.75	$260.50 - $301.42
Q4 2016	535,425	$143,954	$296.43	$268.00 - $329.83
Q3 2016	578,425	$181,064	$296.18	$240.07 - $333.65
Q2 2016	578,425	$139,875	$263.54	$223.02 - $292.69
Q1 2016	556,425	$144,849	$264.15	$242.07 - $301.02
Q4 2015	492,591	$150,905,253	$287.35	$254.00 - $311.65
Q3 2015	527,969	$154,067	$330.23	$265.00 - $412.24
Q2 2015	546,714	$220,840	$401.33	$368.88 - $432.88
Q1 2015	535,394	$226,065	$394.14	$334.40 - $480.18
Q4 2014	543,884	$184,621	$323.51	$290.85 - $361.93
Q3 2014	513,253	$169,789	$329.72	$298.31 - $349.00
Q2 2014	498,476	$157,174	$300.97	$272.02 - $322.25
Q1 2014	487,915	$149,239	$317.43	$270.62 - $358.89
Q4 2013	478,008	$133,723	$258.65	$221.07 - $298.82
Q3 2013	507,690	$122,231	$223.81	$203.55 - $248.95
Q2 2013	555,751	$119,598	$213.68	$191.80 - $242.64