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. 643,000 $165,257,430 22.26%
2.
OrbiMed Advisors

Samuel Isaly

556,800 $143,103,168 3.03%
3.
RA Capital Management

Peter Kolchinsky

532,892 $136,958,573 2.69%
4. 442,076 $113,617,953 +21% 0.77%
5.
Samlyn Capital

Robert Pohly

420,355 $108,035,438 +7% 1.76%
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
$269.43 431 Officer 3,354 2023-09-05 Filing
$282.87 81 Officer 2,924 2023-07-03 Filing
$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
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value % Port
1. 16,012,566 $4,115,389,588 3.47%
2. 13,974,587 $3,591,608,603 0.1%
3. 12,188,586 $3,132,588,488 0.07%
4. 6,865,654 $1,764,541,735 0.09%
5. 5,374,310 $1,381,251,412 0.27%
News See All