738 hedge funds and large institutions have $60.8B invested in Biogen in 2013 Q4 according to their latest regulatory filings, with 121 funds opening new positions, 247 increasing their positions, 264 reducing their positions, and 30 closing their positions.

Holders
738
Holders Change
+82
Holders Change %
+12.5%
% of All Funds
21.43%
Holding in Top 10
37
Holding in Top 10 Change
+13
Holding in Top 10 Change %
+54.17%
% of All Funds
1.07%
New
121
Increased
247
Reduced
264
Closed
30
Calls
$913M
Puts
$771M
Net Calls
+$142M
Net Calls Change
+$212M
Name Market Value Shares Shares
Change
Shares
Change %
VF
601
Virtu Financial
New York
$315K 1,126 +1,126 New
SFM
602
Signature Financial Management
Virginia
$302K 1,080
EIA
603
Edgemoor Investment Advisors
Maryland
$301K 1,075
CCA
604
Checchi Capital Advisers
California
$298K 1,067 +1,067 New
First Manhattan
605
First Manhattan
New York
$297K 1,065 -48 -4%
PTC
606
Philadelphia Trust Company
Pennsylvania
$296K 1,058 -25 -2%
TFCP
607
Twin Focus Capital Partners
Massachusetts
$295K 1,056 -185 -15%
BJL
608
Brighton Jones LLC
Washington
$295K 1,054 +66 +7%
HH
609
Hilltop Holdings
Texas
$294K 1,052 -33 -3%
IPRC
610
Indices-Pac Research Corporation
New Jersey
$292K 1,046 +1,046 New
SAMC
611
Shinko Asset Management Company
Japan
$291K 1,039 -61 -6%
OCG
612
Opus Capital Group
Ohio
$289K 1,035 +1,035 New
HIM
613
Hillsdale Investment Management
Ontario, Canada
$288K 1,030 -300 -23%
BL
614
BCWM LLC
Kansas
$286K 1,023 -148 -13%
CCC
615
Chelsea Counsel Company
California
$286K 1,023
IH
616
IFC Holdings
Florida
$282K 1,018 +1,018 New
BTW
617
Boston Trust Walden
Massachusetts
$280K 1,000
OIA
618
Optimum Investment Advisors
Illinois
$280K 1,000
DDPIC
619
Deroy & Devereaux Private Investment Counsel
Michigan
$280K 1,000
SRC
620
Shufro Rose & Co
New York
$279K 1,000 +1,000 New
BDF
621
Balasa Dinverno & Foltz
$277K 992 +10 +1%
FBNAT
622
FirstMerit Bank N.A. Trustee
Ohio
$277K 988 +988 New
FAAS
623
First Allied Advisory Services
California
$274K 958 +39 +4%
QSS
624
Quantitative Systematic Strategies
Florida
$274K 979 +979 New
GC
625
Grimes & Company
Massachusetts
$269K 963