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 %
SGAM
801
Steinberg Global Asset Management
Florida
$317K +$10.6K +25 +3%
DA
802
Dillon & Associates
Michigan
$314K +$19K +45 +6%
SAMC
803
Shinko Asset Management Company
Japan
$310K -$9.29K -22 -3%
WRM
804
Westport Resources Management
Connecticut
$310K
PFBT
805
Parkside Financial Bank & Trust
Missouri
$304K +$20.3K +48 +7%
BG
806
Bahl & Gaynor
Ohio
$304K +$304K +719 New
VFS
807
VSR Financial Services
Kansas
$295K -$45.9K -109 -13%
FMWA
808
Forvis Mazars Wealth Advisors
Missouri
$295K +$30.4K +72 +11%
PG
809
Patten Group
Tennessee
$293K -$19K -45 -6%
NSAM
810
North Star Asset Management
Wisconsin
$291K
GIA
811
GHP Investment Advisors
Colorado
$291K
SHWM
812
Smith & Howard Wealth Management
Georgia
$291K +$291K +690 New
BCM
813
BlueCrest Capital Management
Jersey
$285K -$177K -420 -38%
GS
814
GAM Systematic
United Kingdom
$283K +$272K +644 +2,477%
SFM
815
Signature Financial Management
Virginia
$282K -$92.9K -220 -25%
PAM
816
Private Asset Management
California
$280K
SAM
817
Silvercrest Asset Management
New York
$279K +$21.1K +50 +8%
AR
818
Advisory Research
Illinois
$278K -$18.6K -44 -6%
BCM
819
Bienville Capital Management
New York
$277K -$663K -1,568 -71%
BSW
820
Buckingham Strategic Wealth
Missouri
$277K
BCMO
821
Buckingham Capital Management (Ohio)
Ohio
$277K +$277K +657 New
HCM
822
Hollencrest Capital Management
California
$276K -$2.95K -7 -1%
ICOA
823
Investment Centers of America
North Dakota
$276K +$276K +652 New
CTA
824
Chesley Taft & Associates
Illinois
$274K -$3.79K -9 -1%
AMG
825
Asset Management Group
Connecticut
$274K