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Biogen
BIIB

Overview Fund Activity

1,099 hedge funds and large institutions have $45B invested in Biogen in 2019 Q4 according to their latest regulatory filings, with 202 funds opening new positions, 272 increasing their positions, 469 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,099
Holders Change
+113
Holders Change %
+11.46%
% of All Funds
21.7%
Holding in Top 10
31
Holding in Top 10 Change
+14
Holding in Top 10 Change %
+82.35%
% of All Funds
0.61%
New
202
Increased
272
Reduced
469
Closed
69
Calls
$1.27B
Puts
$1.82B
Net Calls
-$553M
Net Calls Change
-$242M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.38B
2
Primecap Management
2
Primecap Management
California
$4.51B
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$597M
4
Berkshire Hathaway
4
Berkshire Hathaway
Nebraska
$192M
5
AAMU
5
Amundi Asset Management US
Massachusetts
$255M

Top Sellers

1
Invesco
1
Invesco
Georgia
$325M
2
Capital World Investors
2
Capital World Investors
California
$542M
3
ClearBridge Investments
3
ClearBridge Investments
New York
$1.51B
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$470M
5
AllianceBernstein
5
AllianceBernstein
Tennessee
$128M
Name Holding Trade Value Shares
Change 		Shares
Change %
MC
1126
Maverick Capital
Texas
– -$1.15M -4,919 Closed
WCM
1127
Weld Capital Management
New York
– -$1.04M -4,477 Closed
CTA
1128
Chesley Taft & Associates
Illinois
– -$873K -3,749 Closed
RL
1129
Ruffer LLP
United Kingdom
– -$815K -3,500 Closed
LCM
1130
Landscape Capital Management
New Jersey
– -$701K -3,011 Closed
AUB
1131
Atlantic Union Bankshares
Virginia
– -$673K -2,892 Closed
PNAA
1132
Pictet North America Advisors
Switzerland
– -$629K -2,700 Closed
PFS
1133
Prospera Financial Services
Texas
– -$617K -2,651 Closed
BOTW
1134
Bank of the West
California
– -$595K -2,553 Closed
TI
1135
Trexquant Investment
Connecticut
– -$587K -2,521 Closed
BWCS
1136
Beirne Wealth Consulting Services
Connecticut
– -$575K -2,471 Closed
Westfield Capital Management
1137
Westfield Capital Management
Massachusetts
– -$562K -2,414 Closed
FRM
1138
Fox Run Management
Connecticut
– -$557K -2,394 Closed
VF
1139
Virtu Financial
New York
– -$550K -2,364 Closed
SC
1140
SRB Corp
Massachusetts
– -$457K -1,959 Closed
CM
1141
Columbus Macro
Pennsylvania
– -$354K -1,520 Closed
EMG
1142
Ellington Management Group
Connecticut
– -$349K -1,500 Closed
SWA
1143
Stratos Wealth Advisors
Ohio
– -$348K -1,495 Closed
LI
1144
Leap Investments
Illinois
– -$326K -1,400 Closed
RW
1145
REDW Wealth
New Mexico
– -$244K -1,050 Closed
NJBEST
1146
New Jersey Better Educational Savings Trust
New Jersey
– -$233K -1,000 Closed
ICA
1147
Infrastructure Capital Advisors
New York
– -$233K -1,000 Closed
TWM
1148
Titus Wealth Management
California
– -$233K -1,000 Closed
WI
1149
Wintrust Investments
Illinois
– -$243K -998 Closed
GEM
1150
Global Endowment Management
North Carolina
– -$226K -971 Closed
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