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 %
NLI
301
Nippon Life Insurance
Japan
$3.26M +$3.26M +15,138 New
GACM
302
Green Arrow Capital Management
New York
$3.23M +$3.23M +15,000 New
DSI
303
Daiwa SB Investments
Japan
$3.22M +$3.22M +14,973 New
M&T Bank
304
M&T Bank
New York
$3.21M +$3.21M +14,891 New
Brown Advisory
305
Brown Advisory
Maryland
$3.1M +$3.1M +14,397 New
Lord, Abbett & Co
306
Lord, Abbett & Co
New Jersey
$3.1M +$3.1M +14,382 New
TP
307
Traxis Partners
Connecticut
$3.01M +$3.01M +14,000 New
HFS
308
HL Financial Services
Kentucky
$2.88M +$2.88M +13,372 New
FMBTD
309
First Midwest Bank Trust Division
Illinois
$2.85M +$2.85M +13,235 New
DWA
310
Dorsey Wright & Associates
California
$2.82M +$2.82M +13,080 New
CIM
311
CenturyLink Investment Management
Colorado
$2.81M +$2.81M +13,045 New
AW
312
ACG Wealth
Georgia
$2.77M +$2.77M +12,875 New
PIM
313
Profit Investment Management
Maryland
$2.77M +$2.77M +12,865 New
GA
314
Geneva Advisors
Illinois
$2.76M +$2.76M +12,825 New
SCM
315
Stux Capital Management
New York
$2.76M +$2.76M +12,800 New
WT
316
Whittier Trust
California
$2.75M +$2.75M +12,753 New
IHL
317
Investment House LLC
California
$2.68M +$2.68M +12,443 New
CBT
318
Central Bank & Trust
Kentucky
$2.6M +$2.6M +12,062 New
BOTW
319
Bank of the West
California
$2.59M +$2.59M +12,038 New
RCM
320
Riverhead Capital Management
Delaware
$2.58M +$2.58M +12,000 New
LI
321
LMCG Investments
Massachusetts
$2.56M +$2.56M +11,893 New
ACM
322
Argent Capital Management
Missouri
$2.55M +$2.55M +11,850 New
B
323
Barings
North Carolina
$2.55M +$2.55M +11,826 New
TCM
324
Twin Capital Management
Pennsylvania
$2.52M +$2.52M +11,719 New
OIM
325
Oracle Investment Management
Connecticut
$2.5M +$2.5M +11,603 New