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 %
Acadian Asset Management
601
Acadian Asset Management
Massachusetts
$58K +$58K +269 New
PC
602
Pier Capital
Connecticut
$55K +$55K +257 New
PSI
603
Pinnacle Summer Investments
Virginia
$54K +$54K +250 New
CGT
604
Capital Guardian Trust
California
$51K +$51K +235 New
BFEC
605
Benjamin F. Edwards & Company
Missouri
$45K +$45K +210 New
RBC
606
Ronald Blue & Co
Georgia
$43K +$43K +200 New
ACMI
607
Amida Capital Management II
New York
$43K +$43K +200 New
WF
608
WealthTrust Fairport
Ohio
$42K +$42K +194 New
ECM
609
ETrade Capital Management
Virginia
$41K +$41K +191 New
PMFA
610
Plante Moran Financial Advisors
Michigan
$39K +$39K +179 New
SSB
611
Sandy Spring Bank
Maryland
$39K +$39K +180 New
BAM
612
Barrett Asset Management
New York
$35K +$35K +164 New
BKBG
613
BHF Kleinwort Benson Group
Belgium
$29K +$29K +135 New
HCM
614
Horrell Capital Management
Arkansas
$27K +$27K +125 New
PIA
615
Piedmont Investment Advisors
North Carolina
$26.3K +$26.3K +122 New
TCOV
616
Trust Company of Vermont
Vermont
$26K +$26K +121 New
JIR
617
James Investment Research
Ohio
$25K +$25K +115 New
S
618
SignatureFD
Georgia
$25K +$25K +116 New
EFSCE
619
Enterprise Financial Services Corp (EFSC)
Missouri
$24K +$24K +111 New
SNT
620
Security National Trust
West Virginia
$22K +$22K +100 New
DAM
621
Delta Asset Management
Tennessee
$22K +$22K +100 New
CFA
622
Carroll Financial Associates
North Carolina
$22K +$22K +105 New
AIP
623
Advanced Investment Partners
Florida
$20K +$20K +97 New
Loomis, Sayles & Company
624
Loomis, Sayles & Company
Massachusetts
$19K +$19K +88,365 New
FMII
625
Farmers & Merchants Investments Inc
Nebraska
$15K +$15K +69 New