BIOGEN 401(K) SAVINGS PLAN
BIOGEN 401(K) SAVINGS PLAN is a defined contribution retirement plan sponsored by BIOGEN INC., headquartered in CAMBRIDGE, MA, holding approximately $2.2B in plan assets on behalf of 8,088 participants. As a defined contribution plan, its assets are held in participant-directed accounts. This data is sourced from the plan's DOL Form 5500 filing (Schedule H).