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Biogen Inc. (BIIB)

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value (x$1000) Activity % Port
1. 643,000 $203,432 25.95%
2. 18,000 $5,695 6.89%
3.
Redmile Group

Jeremy Green

589,300 $186,443 +29% 5.22%
4.
GMT Capital

Thomas E. Claugus

290,970 $92,057 +5% 5.16%
5.
Factorial Partners

Mark Kleiman

10,650 $3,369,447 -8% 4.49%
Insider Trading: Purchases See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$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
$231.48 4,351 Officer, Director 21,007 2019-05-01 Filing
$328.45 7,000 Director 524,658 2019-02-01 Filing
Insider Trading: Sales See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$295.29 270 Director 15,438 2020-03-11 Filing
$295.22 2,164 Director 14,353 2020-03-11 Filing
$292.35 1,055 Director 6,995 2019-12-02 Filing
$328.55 6,114 Director 18,587 2019-03-18 Filing
$350.00 1,000 Officer 4,281 2018-09-26 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value (x$1000) % Port
1. 110,771 $35,046 11.27%
2. 45,700 $14,458 6.59%
3. 245,938 $77,810 5.39%
4. 75,120 $23,766 5.06%
5. 16,380 $5,182 4.96%
News See All