Biogen Inc. (BIIB)

Hedge Fund Popularity

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value (x$1000) Activity % Port
1.
Two Sigma Advisors

John Overdeck And David Siegel

1,098,100 $231,260 +142% 0.61%
2. 1,044,207 $219,910 -3% 0.25%
3.
D E Shaw

D. E. Shaw

993,880 $209,312 +67% 0.19%
4.
Arrowstreet Capital

Peter Rathjens, Bruce Clarke And John Campbell

988,077 $208,089 +3% 0.25%
5. 842,962 $177,528 -2% 3.13%
Insider Trading: Purchases See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$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
$229.25 50,342 Director 575,000 2019-04-30 Filing
Insider Trading: Sales See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$440.00 7,672 Officer 10,169 2021-06-07 Filing
$440.00 3,087 Officer 2,919 2021-06-07 Filing
$274.17 360 Director 7,400 2021-06-04 Filing
$350.00 1,500 Officer 13,066 2020-11-04 Filing
$295.29 270 Director 15,438 2020-03-11 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value (x$1000) % Port
1. 1,163,312 $244,993,507 0.1%
2. 170,517 $35,910,880 0.04%
3. 935 $19,691,100 0.02%
4. 50,900 $10,719,540 0.08%
5. 47,459 $9,994,865 0.12%
News See All