BIOGEN INC

CUSIP: 09062x103 Class: COM

MARK ASSET MANAGEMENT LP's Holding History (CIK: 0000860176)

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

Q1 2020
Shares 30,761 Value ($000) $9,732 Avg Close — Range —
Q4 2019
Shares 20,502 Value ($000) $6,084 Avg Close — Range —