BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

MAINSTAY CAPITAL MANAGEMENT LLC /ADV's Holding History (CIK: 0001127612)

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

Q2 2021
Shares 3,615 Value ($000) $1,251 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 3,775 Value ($000) $1,056 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 4,022 Value ($000) $985 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 3,952 Value ($000) $1,121 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 4,245 Value ($000) $1,136 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 4,211 Value ($000) $1,274 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 4,627 Value ($000) $1,373 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 4,757 Value ($000) $1,109 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 4,395 Value ($000) $1,028 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 3,417 Value ($000) $807 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 3,887 Value ($000) $1,164 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 3,693 Value ($000) $1,305 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 3,143 Value ($000) $912 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 3,093 Value ($000) $846 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 2,439 Value ($000) $777 Avg Close $320.80 Range $301.81 - $348.84