Biogen Inc. (BIIB)

Hedge Fund Holdings
Filling Period:
Sorted by:
No. Hedge Fund Shares Value (x$1000) Activity % Port
1.
Duquesne Capital

Stanley Druckenmiller

359,400 $121,998 +247% 11.96%
2.
Sectoral Asset Management

Jerome Pfund And Michael Sjostrom

439,428 $149,164 -15% 6.69%
3. 40,000 $13,578 -6% 6.56%
4. 32,500 $11,032 4.91%
Insider Trading: Purchases See All
Insider Price Amount Relationship Remaning Holdings Date Form 4
$56.41 177 Director 8,243 2010-08-13 Filing
$54.57 183 Director 8,066 2010-07-30 Filing
$53.71 185 Director 7,883 2010-07-16 Filing
$48.63 205 Director 7,698 2010-06-30 Filing
$49.15 203 Director 7,493 2010-06-18 Filing
Insider Trading: Sales See All
Insider Price Amount Relationship Remaining Holdings Date Form 4
$423.20 1,362 Director, Officer 43,814 2015-04-01 Filing
$430.12 430 Officer 8,574 2015-03-27 Filing
$449.06 12,010 Officer 25,567 2015-03-25 Filing
$475.00 11,667 Director 11,310 2015-03-20 Filing
$436.14 2,333 Director 11,310 2015-03-19 Filing
Institutional Investors' Holdings
Filling Period:
Sorted by:
No. Name Shares Value (x$1000) % Port
1. 116,808 $39,650 7.38%
2. 107,389 $36,453 5.89%
3. 327,283 $111,096 5.2%
4. 22,838 $7,752 2.95%
News See All
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