BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020
Shares 145,780 Value ($000) $35,695 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 193,514 Value ($000) $54,896 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 210,230 Value ($000) $56,247 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 231,085 Value ($000) $73,111 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 210,471 Value ($000) $62,453 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 217,807 Value ($000) $50,710 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 133,247 Value ($000) $31,163 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 167,469 Value ($000) $39,586 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 160,479 Value ($000) $48,292 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 160,338 Value ($000) $56,649 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 152,082 Value ($000) $44,140 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 121,958 Value ($000) $33,394 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 126,548 Value ($000) $40,315 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 107,768 Value ($000) $33,744 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 95,761 Value ($000) $25,986 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 95,912 Value ($000) $26,225 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 93,414 Value ($000) $26,490 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 94,817 Value ($000) $29,681 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 89,363 Value ($000) $21,610 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 87,211 Value ($000) $22,703 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 89,107 Value ($000) $27,298 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 82,684 Value ($000) $24,128 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 82,266 Value ($000) $33,231 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 77,710 Value ($000) $32,812 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 70,372 Value ($000) $23,888 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 67,062 Value ($000) $22,185 Avg Close $329.72 Range $298.31 - $349.00
Q2 2014
Shares 60,814 Value ($000) $19,175 Avg Close $300.97 Range $272.02 - $322.25
Q1 2014
Shares 59,879 Value ($000) $18,315 Avg Close $317.43 Range $270.62 - $358.89
Q4 2013
Shares 54,584 Value ($000) $15,260 Avg Close $258.65 Range $221.07 - $298.82
Q3 2013
Shares 49,697 Value ($000) $11,965 Avg Close $223.81 Range $203.55 - $248.95
Q2 2013
Shares 43,294 Value ($000) $9,317 Avg Close $213.68 Range $191.80 - $242.64