BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

DRW Securities, LLC's Holding History (CIK: 0001481986)

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

Q4 2025
Shares 1,955 Value ($000) $338 Avg Close $163.37 Range $138.00 - $185.17
Q2 2025
Shares 2,578 Value ($000) $321 Avg Close $124.60 Range $110.04 - $137.32
Q1 2024
Shares 961 Value ($000) $207 Avg Close $234.20 Range $211.02 - $268.30
Q2 2021
Shares 730 Value ($000) $253 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 771 Value ($000) $216 Avg Close $269.69 Range $238.40 - $296.38
Q1 2020
Shares 1,130 Value ($000) $350 Avg Close $303.47 Range $262.25 - $374.99
Q4 2017
Shares 2,952 Value ($000) $940 Avg Close $320.80 Range $301.81 - $348.84
Q3 2015
Shares 3,000 Value ($000) $875 Avg Close $330.23 Range $265.00 - $412.24
Q4 2014
Shares 7,800 Value ($000) $2,648 Avg Close $323.51 Range $290.85 - $361.93
Q2 2014
Shares 31,700 Value ($000) $9,995 Avg Close $300.97 Range $272.02 - $322.25