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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 %
Canada Pension Plan Investment Board
126
Canada Pension Plan Investment Board
Ontario, Canada
$43.3M -$92.5M -311,580 -68%
GC
127
Guggenheim Capital
Illinois
$42.8M -$3.6M -12,140 -8%
KBC Group
128
KBC Group
Belgium
$42.6M -$3.45M -11,623 -7%
SGAM
129
Smith Group Asset Management
Texas
$42.3M -$13.6M -45,972 -24%
FAM
130
Fred Alger Management
New York
$41.2M +$41.2M +138,845 New
VOYA Investment Management
131
VOYA Investment Management
Georgia
$41.2M -$655K -2,207 -2%
ACI
132
AMP Capital Investors
Australia
$41.1M -$5.41M -18,283 -12%
AGA
133
Altrinsic Global Advisors
Connecticut
$40.3M -$4.55M -15,336 -10%
TAM
134
Tocqueville Asset Management
New York
$40.3M -$1.12M -3,769 -3%
State of New Jersey Common Pension Fund D
135
State of New Jersey Common Pension Fund D
New Jersey
$39.9M -$5.29M -17,818 -12%
WCM
136
Wedge Capital Management
North Carolina
$39.8M -$7.34M -24,744 -16%
Voloridge Investment Management
137
Voloridge Investment Management
Florida
$39.2M +$13.7M +46,194 +54%
Macquarie Group
138
Macquarie Group
Australia
$38.9M -$78.9M -265,824 -67%
Balyasny Asset Management
139
Balyasny Asset Management
Illinois
$38.5M +$34.4M +115,873 +840%
ATN
140
AMF Tjänstepension
Sweden
$38.3M -$3.81M -12,846 -9%
Stifel Financial
141
Stifel Financial
Missouri
$38.2M +$14.1M +47,591 +59%
AC
142
Armistice Capital
New York
$38M -$5.93M -20,000 -14%
SEI Investments
143
SEI Investments
Pennsylvania
$37.6M +$2.51M +8,462 +7%
JIM
144
Jupiter Investment Management
United Kingdom
$37.2M +$12.1M +40,859 +48%
TRSOTSOK
145
Teachers Retirement System of the State of Kentucky
Kentucky
$36.7M +$19.8M +66,630 +117%
Aberdeen Group
146
Aberdeen Group
United Kingdom
$36.3M -$1.95M -6,567 -5%
TAM
147
Todd Asset Management
Kentucky
$35.9M +$19.6M +66,115 +121%
Royal London Asset Management
148
Royal London Asset Management
United Kingdom
$35.4M -$714K -2,412 -2%
SC
149
Samlyn Capital
New York
$34.7M +$34.7M +117,078 New
MWNA
150
Marshall Wace North America
New York
$34.2M +$34.2M +115,192 New
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