965 hedge funds and large institutions have $90B invested in Biogen in 2015 Q1 according to their latest regulatory filings, with 132 funds opening new positions, 336 increasing their positions, 371 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
965
Holders Change
+81
Holders Change %
+9.16%
% of All Funds
25.74%
Holding in Top 10
68
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+30.77%
% of All Funds
1.81%
New
132
Increased
336
Reduced
371
Closed
42
Calls
$1.06B
Puts
$1.64B
Net Calls
-$582M
Net Calls Change
-$200M
Name Holding Trade Value Shares
Change
Shares
Change %
CC
726
Courier Capital
New York
$522K -$21.1K -50 -4%
NPC
727
National Planning Corporation
California
$520K -$94.8K -246 -15%
IAMOG
728
Investors Asset Management of Georgia
Georgia
$520K
DCLA
729
Douglas C. Lane & Associates
New York
$519K -$10.5K -25 -2%
RG
730
Rathbones Group
United Kingdom
$517K -$304K -720 -37%
CANC
731
Culbertson A N & Co
Virginia
$513K -$120K -285 -19%
PJSIMP
732
P.J. Schmidt Investment Management (PJS)
Wisconsin
$512K
EPM
733
Equitec Proprietary Markets
Illinois
$507K -$394K -932 -44%
HTC
734
Haverford Trust Company
Pennsylvania
$507K
KA
735
KLCM Advisors
Wisconsin
$505K +$211K +500 +72%
ALA
736
Atherton Lane Advisers
California
$498K -$35.9K -85 -7%
BPGAM
737
BTG Pactual Global Asset Management
Bermuda
$490K -$38K -90 -7%
BP
738
Ballentine Partners
Massachusetts
$488K -$4.22K -10 -0.9%
AGM
739
Alpine Global Management
New York
$486K -$1.58M -3,742 -76%
WTB
740
Washington Trust Bank
Washington
$486K
CC
741
CQS Cayman
Cayman Islands
$481K +$481K +1,140 New
MPI
742
Mairs & Power Inc
Minnesota
$473K -$8.45K -20 -2%
MME
743
Meag Munich Ergo
Germany
$472K
FBNAT
744
FirstMerit Bank N.A. Trustee
Ohio
$469K +$24.9K +59 +6%
TFCP
745
Twin Focus Capital Partners
Massachusetts
$466K -$43.5K -103 -9%
GIA
746
Granite Investment Advisors
New Hampshire
$464K -$63.3K -150 -12%
BDF
747
Balasa Dinverno & Foltz
$463K +$16.5K +39 +4%
FA
748
Fagan Associates
New York
$460K +$460K +1,090 New
GGHC
749
Gilder Gagnon Howe & Co
New York
$449K +$414K +982 +1,198%
SG
750
Swarthmore Group
Pennsylvania
$443K +$443K +1,050 New