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Biogen
BIIB

Overview Fund Activity

1,098 hedge funds and large institutions have $43.4B invested in Biogen in 2021 Q2 according to their latest regulatory filings, with 134 funds opening new positions, 321 increasing their positions, 467 reducing their positions, and 110 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,098
Holders Change
+9
Holders Change %
+0.83%
% of All Funds
19.17%
Holding in Top 10
27
Holding in Top 10 Change
+14
Holding in Top 10 Change %
+107.69%
% of All Funds
0.47%
New
134
Increased
321
Reduced
467
Closed
110
Calls
$1.8B
Puts
$1.91B
Net Calls
-$111M
Net Calls Change
-$185M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.85B
2
Marshall Wace
Marshall Wace
United Kingdom
$226M
3
SC
Samlyn Capital
New York
$130M
4
Citadel Advisors
Citadel Advisors
Florida
$193M
5
HM
HealthCor Management
New York
$117M

Top Sellers

1
Renaissance Technologies
Renaissance Technologies
New York
$461M
2
Fidelity Investments
Fidelity Investments
Massachusetts
$468M
3
LSV Asset Management
LSV Asset Management
Illinois
$125M
4
Berkshire Hathaway
Berkshire Hathaway
Nebraska
$0
5
AQR Capital Management
AQR Capital Management
Connecticut
$178M
Name Holding Trade Value Shares
Change 		Shares
Change %
BIAS
151
Beacon Investment Advisory Services
New Jersey
$28.7M +$320K +923 +1%
Jane Street
152
Jane Street
New York
$28.6M -$13.9M -40,009 -33%
Truist Financial
153
Truist Financial
North Carolina
$28.6M +$421K +1,216 +1%
Voloridge Investment Management
154
Voloridge Investment Management
Florida
$28.5M +$26.6M +76,806 +1,396%
ATN
155
AMF Tjänstepension
Sweden
$28.4M -$6.44M -18,612 -18%
GC
156
Guggenheim Capital
Illinois
$28.3M +$706K +2,039 +3%
MVP
157
Miller Value Partners
Florida
$27.5M +$27.5M +79,493 New
MCM
158
Moore Capital Management
New York
$27.4M +$27.4M +79,158 New
Grantham, Mayo, Van Otterloo & Co (GMO)
159
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$27.4M +$2.22M +6,400 +9%
LOAMS
160
Lombard Odier Asset Management (Switzerland)
Switzerland
$26.7M +$26.1M +75,362 +4,265%
Fidelity International
161
Fidelity International
Bermuda
$26.6M -$5.9M -17,034 -18%
Qube Research & Technologies (QRT)
162
Qube Research & Technologies (QRT)
United Kingdom
$26.5M +$26.5M +76,651 New
SI
163
Scout Investments
Missouri
$26M +$26M +75,007 New
WP
164
Woodline Partners
California
$25.4M +$19.4M +55,981 +320%
SGA
165
Sector Gamma AS
Norway
$25.3M +$8.24M +23,783 +48%
Asset Management One
166
Asset Management One
Japan
$24.5M -$501K -1,446 -2%
Macquarie Group
167
Macquarie Group
Australia
$24.5M +$327K +944 +1%
PAM
168
Panagora Asset Management
Massachusetts
$24.4M -$52M -150,301 -68%
Zurich Cantonal Bank
169
Zurich Cantonal Bank
Switzerland
$24.1M +$2.22M +6,401 +10%
SOADOR
170
State of Alaska Department of Revenue
Alaska
$24.1M +$3.31M +9,568 +16%
Mirae Asset Global Investments
171
Mirae Asset Global Investments
South Korea
$24M +$5.54M +16,014 +30%
TAM
172
Tocqueville Asset Management
New York
$23.6M -$8.72M -25,179 -27%
O
173
OrbiMed
New York
$23.3M -$5.06M -14,600 -18%
Alyeska Investment Group
174
Alyeska Investment Group
Illinois
$22.6M +$22.6M +65,367 New
SO
175
STRS Ohio
Ohio
$22.4M -$1.06M -3,063 -5%
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