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Biogen
BIIB

Overview Fund Activity

965 hedge funds and large institutions have $90B invested in Biogen in 2015 Q1 according to their latest regulatory filings, with 132 funds opening new positions, 336 increasing their positions, 371 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
965
Holders Change
+81
Holders Change %
+9.16%
% of All Funds
25.74%
Holding in Top 10
68
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+30.77%
% of All Funds
1.81%
New
132
Increased
336
Reduced
371
Closed
42
Calls
$1.06B
Puts
$1.64B
Net Calls
-$582M
Net Calls Change
-$200M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$9.31B
2
JSP
Jackson Square Partners
California
$438M
3
Wellington Management Group
Wellington Management Group
Massachusetts
$1.46B
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
$385M
5
IC
Institutional Capital
Illinois
$279M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$4.56B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$2.47B
3
Primecap Management
Primecap Management
California
$6.99B
4
Goldman Sachs
Goldman Sachs
New York
$534M
5
Jennison Associates
Jennison Associates
New York
$2.15B
Name Holding Trade Value Shares
Change 		Shares
Change %
QI
151
QS Investors
New York
$54M -$7.35M -17,401 -12%
Victory Capital Management
152
Victory Capital Management
Texas
$53.5M -$7.62M -18,037 -12%
PNC Financial Services Group
153
PNC Financial Services Group
Pennsylvania
$53.1M +$8.98M +21,271 +20%
DDC
154
DF Dent & Co
Maryland
$52.3M +$116K +274 +0.2%
KBC Group
155
KBC Group
Belgium
$52M -$6.31M -14,952 -11%
VOYA Investment Management
156
VOYA Investment Management
Georgia
$50.1M +$1.25M +2,970 +3%
Asset Management One
157
Asset Management One
Japan
$48.7M +$1.83M +4,241 +4%
SG Americas Securities
158
SG Americas Securities
New York
$48.4M -$26.1M -61,806 -35%
EA
159
Euclid Advisors
Connecticut
$48.2M +$33.5M +79,450 +228%
Public Employees Retirement Association of Colorado
160
Public Employees Retirement Association of Colorado
Colorado
$47.4M -$242K -574 -0.5%
Janus Henderson Group
161
Janus Henderson Group
United Kingdom
$47.2M +$5.24M +12,396 +12%
Jacobs Levy Equity Management
162
Jacobs Levy Equity Management
New Jersey
$46.7M +$5.69M +13,466 +14%
ACM
163
Atlanta Capital Management
Georgia
$46.7M +$19.1M +45,199 +69%
FMI
164
Factory Mutual Insurance
Massachusetts
$45.9M -$1.18M -2,800 -3%
Citadel Advisors
165
Citadel Advisors
Florida
$45.2M +$10.4M +24,602 +30%
AIG
166
American International Group
New York
$45.1M +$747K +1,770 +2%
CCMH
167
Cornerstone Capital Management Holdings
New York
$44.9M +$783K +1,854 +2%
AII
168
AGF Investments Inc
Ontario, Canada
$43.8M +$43.8M +103,786 New
Caisse de Depot et Placement du Quebec (CDPQ)
169
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$43.7M -$4.64M -11,000 -10%
AAM
170
Aberdeen Asset Management
United Kingdom
$42.8M -$2.43M -5,765 -5%
TL
171
Tirschwell & Loewy
New York
$41.9M -$3.39M -8,040 -7%
RG
172
Redmile Group
California
$41.3M +$23.1M +54,600 +127%
ACP
173
Ashfield Capital Partners
California
$40.5M -$8.07M -19,102 -17%
CWM
174
CIBC World Markets
New York
$40.1M – – –
RIM
175
Rainier Investment Management
Washington
$39.7M -$32.5M -76,950 -45%
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