BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

HENNESSY ADVISORS INC's Holding History (CIK: 0001145255)

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

Q4 2021
Shares 9,500 Value ($000) $2,279 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 9,900 Value ($000) $2,802 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 10,100 Value ($000) $3,497 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 9,900 Value ($000) $2,770 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 6,900 Value ($000) $1,690 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 7,200 Value ($000) $2,042 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 7,300 Value ($000) $1,953 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 7,600 Value ($000) $2,404 Avg Close $303.47 Range $262.25 - $374.99
Q4 2017
Shares 7,500 Value ($000) $2,389 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 7,500 Value ($000) $2,348 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 7,200 Value ($000) $1,954 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 7,800 Value ($000) $2,133 Avg Close $282.75 Range $260.50 - $301.42
Q2 2014
Shares 635 Value ($000) $200 Avg Close $300.97 Range $272.02 - $322.25
Q1 2014
Shares 935 Value ($000) $286 Avg Close $317.43 Range $270.62 - $358.89
Q4 2013
Shares 945 Value ($000) $264 Avg Close $258.65 Range $221.07 - $298.82