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Biogen
BIIB

Overview Fund Activity

646 hedge funds and large institutions have $47.5B invested in Biogen in 2013 Q2 according to their latest regulatory filings, with 646 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
646
Holders Change
+646
Holders Change %
–
% of All Funds
21.09%
Holding in Top 10
29
Holding in Top 10 Change
+29
Holding in Top 10 Change %
%
% of All Funds
0.95%
New
646
Increased
–
Reduced
–
Closed
–
Calls
$527M
Puts
$606M
Net Calls
-$78.9M
Net Calls Change
-$78.9M

Top Buyers

No buyers this quarter

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Shares
Change %
FMT
501
First Mercantile Trust
Tennessee
$409K +$409K +1,901 New
GI
502
GAMCO Investors
Connecticut
$392K +$392K +1,820 New
CCC
503
Chelsea Counsel Company
California
$392K +$392K +1,823 New
FC
504
FIC Capital
New York
$388K +$388K +1,801 New
OMCS
505
Old Mutual Customised Solutions
South Africa
$387K +$387K +1,800 New
NAM
506
Nichols Asset Management
Massachusetts
$380K +$380K +1,765 New
Fisher Asset Management
507
Fisher Asset Management
Washington
$380K +$380K +1,767 New
IH
508
IFC Holdings
Florida
$378K +$378K +1,758 New
FT
509
Fiduciary Trust
Massachusetts
$377K +$377K +1,753 New
PWPCM
510
Perella Weinberg Partners Capital Management
New York
$375K +$375K +1,740 New
BAM
511
Berkshire Asset Management
Pennsylvania
$369K +$369K +1,713 New
OA
512
OFI Advisors
Pennsylvania
$357K +$357K +1,658 New
EIM
513
Essex Investment Management
Massachusetts
$348K +$348K +1,619 New
First Manhattan
514
First Manhattan
New York
$345K +$345K +1,598 New
FSA
515
Franklin Street Advisors
North Carolina
$344K +$344K +1,600 New
PP
516
Prudential plc
United Kingdom
$342K +$342K +1,589 New
ACM
517
Alta Capital Management
Utah
$340K +$340K +1,582 New
CWM
518
Concert Wealth Management
California
$335K +$335K +1,546 New
CB
519
Chemical Bank
Michigan
$335K +$335K +1,555 New
BC
520
Brinker Capital
Pennsylvania
$332K +$332K +1,547 New
SIM
521
SSI Investment Management
California
$326K +$326K +1,516 New
CAS
522
CTC Alternative Strategies
Illinois
$323K +$323K +1,500 New
CG
523
Clinton Group
New York
$318K +$318K +1,476 New
ACH
524
ArrowMark Colorado Holdings
Colorado
$312K +$312K +1,450 New
CC
525
Courier Capital
New York
$305K +$305K +1,419 New
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