13F

Stock

Biogen Inc.

BIIB · held by 8 managers

Reported value

$302.6M

Holders

8

+0 new · −0 exited

Holders’ est. mark

$1.58M

Price effect on 7 books still in the name

Largest holder

$146M

Employees Provident Fund Board

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Employees Provident Fund Board564.3K$146M$778.7KAdded$32.3M
BARCLAYS PLC532.3K$137.7M$696.4KAdded$36M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main36.5K$9.43M$56.2KAdded$535.8K
Swiss Life Asset Management Ltd26.8K$6.95M$36.4KAdded$2.77M
Leonteq Securities AG7.96K$2.06M$11.4KAdded$394.1K
Marex Group plc1.44K$371.6K$2.19KAdded$52.1K
BROADWATER CAPITAL MANAGEMENT LLC140$36.2KHeld
CHESAPEAKE ASSET MANAGEMENT LLC50$12.9K$88Added$88

Positions as of Q4 2023. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.