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 (x$1000) Activity % Port
1.
D E Shaw

D. E. Shaw

1,333,990 $370,889,239 -25% 0.39%
2. 695,113 $193,262,267 -44% 0.59%
3. 643,000 $178,773,290 22.86%
4.
Farallon Capital

Thomas Steyer

619,798 $172,322,438 +5% 0.97%
5. 534,900 $148,718,247 -47% 0.03%
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
$300.00 2,681 Officer 8,483 2023-04-28 Filing
$277.11 91 Officer 2,843 2023-04-04 Filing
$270.06 568 Officer 2,842 2023-03-28 Filing
$300.11 5,610 Officer 5,711 2022-11-14 Filing
$280.70 5,532 Officer 39,396 2022-10-27 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value (x$1000) % Port
1. 16,001,166 $4,448,804,183 3.87%
2. 13,986,221 $3,888,589,023 0.11%
3. 12,157,244 $3,380,078,549 0.08%
4. 6,757,000 $1,878,641,414 0.1%
5. 5,452,888 $1,516,066,450 0.3%
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