Biogen Idec Inc. (BIIB)

Hedge Fund Holdings See All
Showing:
Sorted by:
No. Hedge Fund Shares Value (x$1000) Activity % Port
1.)
Sectoral Asset Management

Jerome Pfund And Michael Sjostrom

544,575 $152,248 +90% 6.56%
2.)
Rock Springs Capital Management

Kris Jenner, Gordon Bussard, Graham Mcphail

53,000 $14,827 5.29%
3.) 30,000 $8,387 4.78%
4.)
Orbimed Advisors

Samuel Isaly

1,095,100 $306,159 +7% 4.49%
5.)
Ghost Tree Capital

Ken Greenberg And David Kim

16,000 $4,473 2.75%
6.)
Navellier & Associates

Louis Navellier

216,600 $60,555 -33% 2.73%
7.) 1,184,324 $331,104 -1% 2.26%
8.) 10,000 $2,796 1.98%
9.) 180,728 $50,526 +0% 1.97%
10.)
Ascend Capital

Malcolm Fairbairn

206,959 $57,860 +137% 1.76%
11.)
Duquesne Capital

Stanley Druckenmiller

91,500 $25,581 1.7%
12.)
Sabby CapitalCALL

Hal Mintz

903 $25,261 1.61%
13.)
Perceptive Advisors

Joseph Edelman

40,000 $11,190 1.34%
14.)
Arrowstreet Capital

Peter Rathjens, Bruce Clarke And John Campbell

691,554 $193,462 +1% 1.04%
15.)
Alydar Capital

John Murphy

35,000 $9,785 0.99%
16.) 72,656 $20,313 -25% 0.66%
17.)
Cadian Capital

Eric Bannasch

80,000 $22,366 +60% 0.57%
18.)
Hbk Investments

David Costen Haley

90,400 $25,289 +136% 0.52%
19.)
Adage Capital Management

Phill Gross And Robert Atchinson

689,624 $192,800 -23% 0.51%
20.) 597,624 $167,185 +56% 0.49%
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
$308.42 6,250 Director 14,003 2014-04-01 Filing
$308.42 2,123 Director 26,142 2014-04-01 Filing
$296.11 2,500 Director 6,435 2014-03-31 Filing
$300.00 500 Director 8,935 2014-03-31 Filing
$350.37 900 Director 14,468 2014-03-20 Filing
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