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Biogen
BIIB

Overview Fund Activity

972 hedge funds and large institutions have $85.3B invested in Biogen in 2015 Q2 according to their latest regulatory filings, with 100 funds opening new positions, 367 increasing their positions, 347 reducing their positions, and 85 closing their positions.

Holders
972
Holders Change
+7
Holders Change %
+0.73%
% of All Funds
26.21%
Holding in Top 10
52
Holding in Top 10 Change
-16
Holding in Top 10 Change %
-23.53%
% of All Funds
1.4%
New
100
Increased
367
Reduced
347
Closed
85
Calls
$1.21B
Puts
$1.72B
Net Calls
-$507M
Net Calls Change
+$74.4M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.95B
2
JSP
2
Jackson Square Partners
California
$735M
3
Viking Global Investors
3
Viking Global Investors
Connecticut
$207M
4
TCIM
4
TIAA CREF Investment Management
New York
$865M
5
VOYA Investment Management
5
VOYA Investment Management
Georgia
$233M

Top Sellers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$2B
2
D.E. Shaw & Co
2
D.E. Shaw & Co
New York
$60.4M
3
Ameriprise
3
Ameriprise
Minnesota
$1.06B
4
Winslow Capital Management
4
Winslow Capital Management
Minnesota
$520M
5
MCM
5
Marsico Capital Management
Colorado
$518M
Name Market Value Shares Shares
Change 		Shares
Change %
Korea Investment Corp
151
Korea Investment Corp
South Korea
$51.5M 127,500 -23,200 -15%
Marshall Wace
152
Marshall Wace
United Kingdom
$50M 123,859 +47,248 +62%
KBC Group
153
KBC Group
Belgium
$45.2M 111,807 -11,276 -9%
CAM
154
Congress Asset Management
Massachusetts
$44.7M 110,760 -25,281 -19%
Public Employees Retirement Association of Colorado
155
Public Employees Retirement Association of Colorado
Colorado
$44.3M 109,660 -2,713 -2%
FMI
156
Factory Mutual Insurance
Massachusetts
$43.9M 108,700 – –
AIG
157
American International Group
New York
$43.4M 107,346 +549 +0.5%
State of Tennessee, Department of Treasury
158
State of Tennessee, Department of Treasury
Tennessee
$43.2M 107,000 -129,639 -55%
Canada Pension Plan Investment Board
159
Canada Pension Plan Investment Board
Ontario, Canada
$43M 106,387 +15,900 +18%
ASC
160
Atalanta Sosnoff Capital
New York
$42.7M 105,820 -31,785 -23%
Renaissance Technologies
161
Renaissance Technologies
New York
$42.5M 105,261 +74,961 +247%
Caisse de Depot et Placement du Quebec (CDPQ)
162
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$41.7M 103,278 -300 -0.3%
AAM
163
Aberdeen Asset Management
United Kingdom
$41.7M 103,182 +1,773 +2%
Loomis, Sayles & Company
164
Loomis, Sayles & Company
Massachusetts
$41.5M 102,637 +43,290 +73%
Asset Management One
165
Asset Management One
Japan
$41M 103,409 -9,457 -8%
AI
166
Axiom Investors
Connecticut
$40.9M 101,276 -82,728 -45%
TL
167
Tirschwell & Loewy
New York
$40.8M 101,121 +1,772 +2%
CCMH
168
Cornerstone Capital Management Holdings
New York
$40.8M 101,100 -5,300 -5%
PIA
169
Piedmont Investment Advisors
North Carolina
$40.6M 100,597 +41,377 +70%
CWG
170
C WorldWide Group
Denmark
$40M 98,992 +8,400 +9%
AAM
171
AMI Asset Management
California
$39.5M 97,727 +5,052 +5%
SG Americas Securities
172
SG Americas Securities
New York
$38.6M 95,476 -19,263 -17%
TSU
173
TD Securities (USA)
New York
$38.5M 95,267 +10,985 +13%
National Pension Service
174
National Pension Service
South Korea
$38M 94,110 +13,101 +16%
ACP
175
Ashfield Capital Partners
California
$37.9M 93,719 -2,308 -2%
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