BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

XTX Topco Ltd's Holding History (CIK: 0001828301)

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

Q4 2025
Shares 2,459 Value ($000) $433 Avg Close $163.37 Range $138.00 - $185.17
Q1 2025
Shares 16,743 Value ($000) $2,291 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 2,284 Value ($000) $349 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 6,955 Value ($000) $1,348 Avg Close $209.21 Range $188.78 - $238.00
Q1 2024
Shares 7,176 Value ($000) $1,547 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 3,140 Value ($000) $813 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 2,119 Value ($000) $545 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 2,384 Value ($000) $679 Avg Close $297.86 Range $273.39 - $319.76
Q4 2022
Shares 830 Value ($000) $230 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 1,373 Value ($000) $367 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 2,517 Value ($000) $513 Avg Close $204.43 Range $187.16 - $225.50
Q1 2022
Shares 2,005 Value ($000) $422 Avg Close $217.46 Range $192.67 - $249.00
Q4 2021
Shares 857 Value ($000) $206 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 2,500 Value ($000) $707 Avg Close $327.75 Range $282.64 - $372.12