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.
D E Shaw

D. E. Shaw

1,609,899 $246,185,755 +271% 0.18%
2. 1,192,206 $182,312,142 +26% 0.26%
3.
GLG Partners

Noam Gottesman

686,550 $104,987,225 -20% 0.27%
4.
Millennium Management

Israel Englander

543,844 $83,164,624 +37% 0.04%
5. 539,692 $81,914,391 +982% 0.1%
Insider Trading: Purchases See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$222.54 455 Director 20,629 2024-02-15 Filing
$267.00 898 Director 2,943 2021-02-09 Filing
$241.31 3,100 Officer, Director 34,810 2020-11-30 Filing
$231.24 38,000 Director 643,000 2019-05-02 Filing
$229.46 30,000 Director 605,000 2019-05-01 Filing
Insider Trading: Sales See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$157.21 110 Officer 5,426 2024-12-09 Filing
$204.22 431 Officer 5,316 2024-09-03 Filing
$213.09 93 Officer 4,886 2024-04-02 Filing
$221.23 262 Officer 4,886 2024-02-22 Filing
$221.49 108 Officer 5,148 2024-02-16 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value % Port
1. 16,748,875 $2,561,237,965 0.04%
2. 16,046,209 $2,453,786,283 1.9%
3. 15,473,710 $2,366,239,663 0.04%
4. 7,398,248 $1,131,229,765 0.04%
5. 4,930,723 $754,006,161 0.13%
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