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Biogen Inc. (BIIB)

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value (x$1000) Activity % Port
1. 310,000 $97,039 22.34%
2.
Healthcor Management LP

Arthur B Cohen And Joseph Healey

375,000 $117,386 -22% 7.15%
3. 40,996 $12,833 +3% 7%
4.
Partner Fund Management

Christopher Medlock James

590,851 $184,954 5.41%
5.
Bridger Management

Roberto Mignone

254,050 $79,525 5.35%
Insider Trading: Purchases See All
Insider Price Amount Relationship Remaning Holdings Date Form 4
$276.77 100,000 Director 310,000 2015-10-23 Filing
$277.80 210,000 Director 210,000 2015-10-22 Filing
$304.98 5,000 Director 5,000 2015-07-27 Filing
$304.78 5,000 Director 5,000 2015-07-27 Filing
$56.41 177 Director 8,243 2010-08-13 Filing
Insider Trading: Sales See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$296.53 48 Officer 7,360 2016-12-01 Filing
$311.94 262 Officer 7,579 2016-10-04 Filing
$313.00 380 Officer 7,841 2016-10-03 Filing
$314.00 27,570 Director 17,093 2016-09-22 Filing
$280.00 157 Officer, Director 54,779 2016-07-21 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value (x$1000) % Port
1. 60,311 $18,879 9.98%
2. 30,000 $9,391 5.88%
3. 482,033 $150,891 5.8%
4. 11,828 $3,703 5.48%
5. 225,669 $70,641,167 5.06%
News See All