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Biogen
BIIB

Overview Fund Activity

656 hedge funds and large institutions have $52.6B invested in Biogen in 2013 Q3 according to their latest regulatory filings, with 73 funds opening new positions, 227 increasing their positions, 253 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
656
Holders Change
+10
Holders Change %
+1.55%
% of All Funds
21.28%
Holding in Top 10
24
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-17.24%
% of All Funds
0.78%
New
73
Increased
227
Reduced
253
Closed
54
Calls
$619M
Puts
$689M
Net Calls
-$69.9M
Net Calls Change
+$9.03M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$6.17B
2
Deutsche Bank
Deutsche Bank
Germany
$364M
3
O
OppenheimerFunds
New York
$271M
4
Invesco
Invesco
Georgia
$903M
5
BFA
BlackRock Fund Advisors
California
$874M

Top Sellers

1
MCM
Marsico Capital Management
Colorado
$693M
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$2.11B
3
Viking Global Investors
Viking Global Investors
Connecticut
$69.9M
4
AllianceBernstein
AllianceBernstein
Tennessee
$571M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
$631M
Name Holding Trade Value Shares
Change 		Shares
Change %
LBG
201
Lloyds Banking Group
United Kingdom
$12.5M +$1.62M +6,714 +15%
PG
202
PEAK6 Group
Illinois
$12.4M +$8.5M +70,525 +215%
ZCM
203
Ziegler Capital Management
Illinois
$12.3M +$234K +973 +2%
EB
204
Eastern Bank
Massachusetts
$12.1M -$601K -2,495 -5%
CCM
205
Cadian Capital Management
New York
$12M +$12M +50,000 New
AG
206
Aperio Group
California
$12M +$1.54M +6,403 +15%
COPPSERS
207
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$11.7M +$49.4K +205 +0.4%
Schroder Investment Management Group
208
Schroder Investment Management Group
United Kingdom
$11.2M -$5.11M -21,217 -31%
WCM
209
Winton Capital Management
United Kingdom
$11.2M +$2.09M +8,660 +23%
GI
210
GLG Inc
New York
$11.1M +$2.73M +11,329 +33%
GH
211
GAM Holding
Switzerland
$11M +$3.69M +15,322 +50%
PI
212
Placemark Investments
Illinois
$11M -$162K -673 -1%
HCM
213
Highbridge Capital Management
New York
$10.7M -$32.6M -135,458 -75%
Los Angeles Capital Management
214
Los Angeles Capital Management
California
$10.4M +$4.03M +16,737 +63%
DBG
215
De Burlo Group
Massachusetts
$10.3M – – –
RFC
216
Regions Financial Corp
Alabama
$10.3M -$802K -3,333 -7%
URS
217
Utah Retirement Systems
Utah
$10.2M -$72.2K -300 -0.7%
Robeco Institutional Asset Management
218
Robeco Institutional Asset Management
Netherlands
$10.1M -$271K -1,124 -3%
WAM
219
World Asset Management
Michigan
$10.1M -$1.24M -5,139 -11%
MCM
220
Mitchell Capital Management
Kansas
$9.78M +$116K +483 +1%
ZA
221
Zweig Advisers
Connecticut
$9.7M +$361K +1,500 +4%
CFB
222
Cullen/Frost Bankers
Texas
$9.39M +$858K +3,564 +10%
HI
223
HBK Investments
Texas
$9.22M -$5.77M -23,974 -39%
Nomura Holdings
224
Nomura Holdings
Japan
$9.17M +$3.66M +15,340 +66%
QI
225
Qualcomm Inc
California
$9.13M – – –
7 8
9
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