BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Marathon Trading Investment Management LLC's Holding History (CIK: 0001572748)

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

Q4 2025
Shares 1,450 Value ($000) $255 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 1,750 Value ($000) $245 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 2,750 Value ($000) $345 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 2,750 Value ($000) $376 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 14,533 Value ($000) $2,222 Avg Close $168.67 Range $145.07 - $195.00
Q1 2024
Shares 3,000 Value ($000) $647 Avg Close $234.20 Range $211.02 - $268.30
Q3 2020
Shares 745 Value ($000) $211 Avg Close $278.91 Range $261.87 - $312.00
Q1 2019
Shares 1,030 Value ($000) $243 Avg Close $314.89 Range $216.12 - $344.00