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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 %
M&T Bank
201
M&T Bank
New York
$32.6M +$399K +946 +1%
Marshall Wace
202
Marshall Wace
United Kingdom
$32.3M -$24.2M -57,255 -43%
Mitsubishi UFJ Asset Management
203
Mitsubishi UFJ Asset Management
Japan
$31.5M +$5.33M +12,626 +20%
ABTD
204
Arvest Bank Trust Division
Oklahoma
$31.4M +$384K +910 +1%
NA
205
Navellier & Associates
Nevada
$31.2M -$39.3M -92,993 -56%
Fifth Third Bancorp
206
Fifth Third Bancorp
Ohio
$31M +$2.07M +4,911 +7%
ZDA
207
Zweig-DiMenna Associates
New York
$30.5M +$28.4M +67,297 +1,373%
BAMS
208
Bellevue Asset Management (Switzerland)
Switzerland
$29.9M +$29.9M +70,730 New
TG
209
TCW Group
California
$29.7M +$848K +2,009 +3%
GIBU
210
Gulf International Bank (UK)
United Kingdom
$28.7M +$29.6K +70 +0.1%
Zurich Cantonal Bank
211
Zurich Cantonal Bank
Switzerland
$28.4M +$15.4M +36,517 +119%
IA
212
Icon Advisers
Colorado
$28.2M -$3.88M -9,180 -12%
HIMCH
213
Hartford Investment Management Co (HIMCO)
Connecticut
$27.5M -$1.49M -3,535 -5%
Lord, Abbett & Co
214
Lord, Abbett & Co
New Jersey
$27.5M -$5.7M -13,498 -17%
Envestnet Asset Management
215
Envestnet Asset Management
Illinois
$26.4M +$25.2M +59,766 +2,120%
Loomis, Sayles & Company
216
Loomis, Sayles & Company
Massachusetts
$25.1M -$3.18M -7,535 -11%
PIA
217
Piedmont Investment Advisors
North Carolina
$25M -$2.2M -5,218 -8%
IRF
218
IBM Retirement Fund
New York
$24.7M -$34.2K -81 -0.1%
EIM
219
ExxonMobil Investment Management
Texas
$23.8M +$315K +745 +1%
BSA
220
Braun Stacey Associates
New York
$23.7M -$2.47M -5,838 -9%
US Bancorp
221
US Bancorp
Minnesota
$23.6M +$1.34M +3,163 +6%
RCAMU
222
Rothschild & Co Asset Management US
Connecticut
$23.1M +$3.85M +9,128 +20%
FAF
223
Fjarde Ap-fonden
Sweden
$22.5M -$1.26M -2,986 -5%
PP
224
PDT Partners
New York
$22.5M +$21.3M +50,405 +1,781%
NI
225
Numeric Investors
Massachusetts
$22.5M -$15.7M -37,260 -41%
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