BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

MainStreet Investment Advisors LLC's Holding History (CIK: 0001729854)

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

Q2 2021
Shares 14,172 Value ($000) $4,907 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 15,473 Value ($000) $4,329 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 17,258 Value ($000) $4,226 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 19,698 Value ($000) $5,588 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 13,900 Value ($000) $3,719 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 14,010 Value ($000) $4,432 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 13,143 Value ($000) $3,899 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 12,319 Value ($000) $2,868 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 13,318 Value ($000) $3,115 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 13,473 Value ($000) $3,184 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 12,971 Value ($000) $3,903 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 12,825 Value ($000) $4,531 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 14,095 Value ($000) $4,091 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 12,171 Value ($000) $3,333 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 11,539 Value ($000) $3,676 Avg Close $320.80 Range $301.81 - $348.84