782 hedge funds and large institutions have $68.4B invested in Biogen in 2014 Q2 according to their latest regulatory filings, with 81 funds opening new positions, 275 increasing their positions, 302 reducing their positions, and 69 closing their positions.

Holders
782
Holders Change
+6
Holders Change %
+0.77%
% of All Funds
22.49%
Holding in Top 10
36
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+9.09%
% of All Funds
1.04%
New
81
Increased
275
Reduced
302
Closed
69
Calls
$814M
Puts
$1.09B
Net Calls
-$271M
Net Calls Change
+$35.6M
Name Market Value Shares Shares
Change
Shares
Change %
GC
776
Globeflex Capital
California
$3K 12 -1 -8%
MAS
777
Madden Advisory Services
Florida
$3K 10
QAM
778
QCI Asset Management
New York
$3K 8
EWM
779
Edge Wealth Management
New York
$3K 10
FMII
780
Farmers & Merchants Investments Inc
Nebraska
$2K 5
PMAM
781
Picton Mahoney Asset Management
Ontario, Canada
$1.51K 4,800 +4,800 New
PAS
782
Partnervest Advisory Services
California
$1K 3
Viking Global Investors
783
Viking Global Investors
Connecticut
-388,900 Closed
SCA
784
SAC Capital Advisors
Connecticut
-258,862 Closed
CM
785
Castleark Management
Illinois
-134,770 Closed
CGM
786
Capital Growth Management
Massachusetts
-116,000 Closed
TCP
787
Tourbillon Capital Partners
New York
-60,000 Closed
WI
788
Wafra Inc
New York
-52,400 Closed
SCM
789
Sigma Capital Management
Connecticut
-32,000 Closed
CEP
790
Chicago Equity Partners
Illinois
-23,265 Closed
SAM
791
Senzar Asset Management
New York
-18,200 Closed
CII
792
CR Intrinsic Investors
Connecticut
-13,000 Closed
HT
793
HAP Trading
New York
-12,855 Closed
DM
794
Deerfield Management
New York
-11,750 Closed
DSI
795
Daiwa SB Investments
Japan
-10,210 Closed
AC
796
Ascend Capital
California
-10,010 Closed
CAM
797
Cormorant Asset Management
Massachusetts
-10,000 Closed
CANY
798
Caxton Associates (New York)
New York
-10,000 Closed
NCGI
799
Next Century Growth Investors
Minnesota
-9,646 Closed
ACM
800
Atika Capital Management
New York
-8,500 Closed