BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

TFB Advisors LLC's Holding History (CIK: 0001965201)

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

Q4 2025
Shares 2,448 Value ($000) $431 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 2,448 Value ($000) $356 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 2,471 Value ($000) $310 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 2,439 Value ($000) $334 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 2,434 Value ($000) $372 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 2,447 Value ($000) $474 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 2,449 Value ($000) $568 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 2,450 Value ($000) $530 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 2,400 Value ($000) $621 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 2,444 Value ($000) $628 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 2,442 Value ($000) $696 Avg Close $297.86 Range $273.39 - $319.76