BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Empirical Financial Services, LLC d.b.a. Empirical Wealth Management's Holding History (CIK: 0001510434)

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

Q4 2025
Shares 2,218 Value ($000) $390 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 1,465 Value ($000) $205 Avg Close $135.17 Range $121.05 - $150.28
Q2 2024
Shares 1,422 Value ($000) $330 Avg Close $217.32 Range $189.44 - $237.54
Q4 2023
Shares 5,234 Value ($000) $1,354 Avg Close $245.62 Range $220.86 - $269.43
Q2 2023
Shares 2,306 Value ($000) $657 Avg Close $297.86 Range $273.39 - $319.76
Q4 2021
Shares 950 Value ($000) $228 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 858 Value ($000) $243 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 1,089 Value ($000) $377 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 741 Value ($000) $207 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 2,357 Value ($000) $577 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 2,195 Value ($000) $623 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 1,896 Value ($000) $507 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 1,514 Value ($000) $479 Avg Close $303.47 Range $262.25 - $374.99