BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

TCTC Holdings, LLC's Holding History (CIK: 0001483870)

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

Q4 2025
Shares 600 Value ($000) $106 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 600 Value ($000) $84 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 900 Value ($000) $113 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 900 Value ($000) $123 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 900 Value ($000) $138 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 900 Value ($000) $174 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 900 Value ($000) $209 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 900 Value ($000) $194 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 900 Value ($000) $233 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 900 Value ($000) $231 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 900 Value ($000) $256 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 900 Value ($000) $250 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 900 Value ($000) $249 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 1,400 Value ($000) $374 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 1,400 Value ($000) $286 Avg Close $204.43 Range $187.16 - $225.50
Q1 2022
Shares 1,400 Value ($000) $295 Avg Close $217.46 Range $192.67 - $249.00
Q4 2021
Shares 1,400 Value ($000) $336 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 1,400 Value ($000) $396 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 1,400 Value ($000) $485 Avg Close $302.94 Range $257.03 - $468.55