BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

DUFF & PHELPS INVESTMENT MANAGEMENT CO's Holding History (CIK: 0000765443)

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

Q4 2021
Shares 1,581 Value ($000) $379 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 1,581 Value ($000) $447 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 1,630 Value ($000) $564 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 1,750 Value ($000) $490 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 1,865 Value ($000) $457 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 2,165 Value ($000) $614 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 2,165 Value ($000) $579 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 2,165 Value ($000) $685 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 2,165 Value ($000) $642 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 2,165 Value ($000) $504 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 2,165 Value ($000) $506 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 2,165 Value ($000) $512 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 2,165 Value ($000) $651 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 2,165 Value ($000) $765 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 2,265 Value ($000) $657 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 2,365 Value ($000) $648 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 2,365 Value ($000) $753 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 2,365 Value ($000) $741 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 2,470 Value ($000) $670 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 2,650 Value ($000) $725 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 2,800 Value ($000) $794 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 2,800 Value ($000) $876 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 2,910 Value ($000) $704 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 3,080 Value ($000) $802 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 3,780 Value ($000) $1,158 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 4,050 Value ($000) $1,182 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 4,290 Value ($000) $1,733 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 4,290 Value ($000) $1,811 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 4,460 Value ($000) $1,514 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 4,710 Value ($000) $1,558 Avg Close $329.72 Range $298.31 - $349.00
Q2 2014
Shares 4,980 Value ($000) $1,570 Avg Close $300.97 Range $272.02 - $322.25
Q1 2014
Shares 4,820 Value ($000) $1,474 Avg Close $317.43 Range $270.62 - $358.89