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 %
FA
426
FDx Advisors
Illinois
$853K +$853K +3,964 New
WF
427
Welch & Forbes
Massachusetts
$840K +$840K +3,900 New
SACTSONJ
428
Supplemental Annuity Collective Trust (SACT) of New Jersey
New Jersey
$833K +$833K +3,869 New
Truist Financial
429
Truist Financial
North Carolina
$830K +$830K +3,860 New
BPBT
430
Boston Private Bank & Trust
Massachusetts
$828K +$828K +3,846 New
BTNA
431
Bremer Trust National Association
Minnesota
$823K +$823K +3,825 New
GF
432
Gerstein Fisher
New York
$822K +$822K +3,819 New
Tudor Investment Corp
433
Tudor Investment Corp
Connecticut
$818K +$818K +3,800 New
AP
434
Advisor Partners
California
$813K +$813K +3,776 New
WC
435
Woodstock Corp
Massachusetts
$801K +$801K +3,721 New
NAM
436
NorthCoast Asset Management
Connecticut
$798K +$798K +3,709 New
BIM
437
Bridges Investment Management
Nebraska
$780K +$780K +3,625 New
Citadel Advisors
438
Citadel Advisors
Florida
$778K +$778K +3,615 New
FNBOH
439
First National Bank of Hutchinson
Kansas
$777K +$777K +3,610 New
NCCM
440
Nine Chapters Capital Management
New Jersey
$775K +$775K +3,600 New
FCH
441
Freestone Capital Holdings
Washington
$763K +$763K +3,544 New
JMFC
442
J.M. Forbes & Co
Massachusetts
$750K +$750K +3,483 New
AI
443
Analytic Investors
California
$741K +$741K +3,445 New
IB
444
Intrust Bank
Kansas
$734K +$734K +3,408 New
PIM
445
Partner Investment Management
California
$708K +$708K +3,292 New
RFS
446
Rockefeller Financial Services
New York
$699K +$699K +3,249 New
WG
447
Winchester Group
New York
$699K +$699K +3,250 New
BBHC
448
Brown Brothers Harriman & Co
New York
$696K +$696K +3,233 New
PSUF
449
People's United Financial
Connecticut
$694K +$694K +3,223 New
RA
450
Rational Advisors
New York
$691K +$691K +3,209 New