Biogen Inc. (BIIB)

Market is closed

Hedge Fund Popularity

13F filing is ongoing

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value Activity % Port
1. 3,831,727 $481,226,574 +841% 0.94%
2.
D E Shaw

D. E. Shaw

1,366,207 $171,581,937 -14% 0.12%
3. 1,364,805 $171,405,897 -1% 0.14%
4. 1,045,106 $131,254,863 +30% 0.17%
5. 831,905 $104,478,949 +6% 0.16%
Insider Trading: Purchases See All
Insider Price Amount Total Value Remaining Holdings Date Form 4
$122.72 1,235 $151,559.20 27,842 2025-05-02 Filing
$222.54 455 $101,255.70 20,629 2024-02-15 Filing
$267.00 898 $239,766.00 2,943 2021-02-09 Filing
$241.31 3,100 $748,046.74 34,810 2020-11-30 Filing
$231.24 38,000 $8,787,120.00 643,000 2019-05-02 Filing
Insider Trading: Sales See All
Insider Price Amount Total Value Remaining Holdings Date Form 4
$135.00 2,223 $300,105.00 6,330 2025-07-08 Filing
$126.25 3,806 $480,507.50 5,427 2025-05-19 Filing
$150.02 8,760 $1,314,141.91 11,318 2025-03-07 Filing
$157.21 110 $17,293.10 5,426 2024-12-09 Filing
$204.22 431 $88,018.82 5,316 2024-09-03 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value % Port
1. 17,290,651 $2,171,532,858 0.04%
2. 15,802,122 $1,984,588,503 1.57%
3. 13,555,466 $1,702,431,056 0.03%
4. 7,468,807 $938,007,471 0.04%
5. 4,798,420 $602,633,568 0.11%
News See All