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Biogen
BIIB

Overview Fund Activity

1,089 hedge funds and large institutions have $35.6B invested in Biogen in 2021 Q1 according to their latest regulatory filings, with 140 funds opening new positions, 357 increasing their positions, 406 reducing their positions, and 99 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,089
Holders Change
+33
Holders Change %
+3.13%
% of All Funds
19.18%
Holding in Top 10
13
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+85.71%
% of All Funds
0.23%
New
140
Increased
357
Reduced
406
Closed
99
Calls
$1.45B
Puts
$1.37B
Net Calls
+$74.1M
Net Calls Change
-$267M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.09B
2
Primecap Management
Primecap Management
California
$4.69B
3
SAM
Southeastern Asset Management
Tennessee
$169M
4
ClearBridge Investments
ClearBridge Investments
New York
$1.11B
5
A
AustralianSuper
Australia
$142M

Top Sellers

1
Renaissance Technologies
Renaissance Technologies
New York
$542M
2
O
OrbiMed
New York
$22.9M
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$72.9M
4
Marshall Wace
Marshall Wace
United Kingdom
$45.5M
5
State Street
State Street
Massachusetts
$1.87B
Name Holding Trade Value Shares
Change 		Shares
Change %
Truist Financial
151
Truist Financial
North Carolina
$22.7M +$3.89M +13,914 +21%
Vontobel Holding
152
Vontobel Holding
Switzerland
$22.7M -$1.91M -6,810 -8%
TRSOTSOK
153
Teachers Retirement System of the State of Kentucky
Kentucky
$22.7M +$19.1M +68,240 +525%
HM
154
HealthCor Management
New York
$22.5M +$19.8M +70,950 +742%
GC
155
Guggenheim Capital
Illinois
$22.3M -$4.16M -14,870 -16%
APG Asset Management
156
APG Asset Management
Netherlands
$21.7M -$20.7M -87,126 -49%
CM
157
Caption Management
Oklahoma
$21.1M +$21.1M +75,474 New
GPP
158
Great Point Partners
Connecticut
$21M +$21M +75,000 New
OPERF
159
Oregon Public Employees Retirement Fund
Oregon
$20.8M -$188K -672 -0.9%
PI
160
PEAK6 Investments
Illinois
$20.8M -$35.7M -127,486 -63%
Janus Henderson Group
161
Janus Henderson Group
United Kingdom
$20.8M -$10.6M -37,796 -34%
Baird Financial Group
162
Baird Financial Group
Wisconsin
$20.4M -$438K -1,564 -2%
Grantham, Mayo, Van Otterloo & Co (GMO)
163
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$20.3M +$3.9M +13,924 +24%
JG
164
Jefferies Group
New York
$20.3M +$19.3M +68,854 +1,885%
Asset Management One
165
Asset Management One
Japan
$20.2M -$2.21M -7,905 -10%
Macquarie Group
166
Macquarie Group
Australia
$19.5M +$12.3K +44 +0.1%
TAM
167
Todd Asset Management
Kentucky
$19.5M +$19.5M +69,793 New
QAM
168
QCI Asset Management
New York
$19.2M +$540K +1,931 +3%
Aberdeen Group
169
Aberdeen Group
United Kingdom
$19.1M +$2.1M +7,506 +12%
SO
170
STRS Ohio
Ohio
$19M -$1.12M -4,010 -6%
ACI
171
AMP Capital Investors
Australia
$18.7M -$2.22M -7,962 -11%
Jennison Associates
172
Jennison Associates
New York
$18.4M +$8.97M +32,082 +95%
Zurich Cantonal Bank
173
Zurich Cantonal Bank
Switzerland
$17.7M -$621K -2,221 -3%
GIA
174
Gateway Investment Advisers
Ohio
$17.4M -$1.6M -5,733 -8%
Bank Julius Baer & Co
175
Bank Julius Baer & Co
Switzerland
$17.3M -$1.09M -3,910 -6%
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