BIIB icon

Biogen
BIIB

Overview Fund Activity

991 hedge funds and large institutions have $34.8B invested in Biogen in 2023 Q1 according to their latest regulatory filings, with 86 funds opening new positions, 340 increasing their positions, 361 reducing their positions, and 101 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
991
Holders Change
-33
Holders Change %
-3.22%
% of All Funds
15.86%
Holding in Top 10
19
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-20.83%
% of All Funds
0.3%
New
86
Increased
340
Reduced
361
Closed
101
Calls
$744M
Puts
$674M
Net Calls
+$70.1M
Net Calls Change
+$286M

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$1.14B
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$581M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$487M
4
PAMS
4
Pictet Asset Management (Switzerland)
Switzerland
$308M
5
CG
5
Carmignac Gestion
France
$86.2M

Top Sellers

1
Marshall Wace
1
Marshall Wace
United Kingdom
$148M
2
Man Group
2
Man Group
United Kingdom
$67.1M
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$193M
4
Two Sigma Advisers
4
Two Sigma Advisers
New York
$83.7M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$371M
Name Holding Trade Value Shares
Change 		Shares
Change %
Wells Fargo
76
Wells Fargo
California
$70.9M -$3.08M -11,086 -4%
HSBC Holdings
77
HSBC Holdings
United Kingdom
$69.5M -$8.86M -31,858 -11%
PCH
78
Polar Capital Holdings
United Kingdom
$69.5M +$27.8M +100,000 +67%
California State Teachers Retirement System (CalSTRS)
79
California State Teachers Retirement System (CalSTRS)
California
$68.9M -$1.04M -3,738 -1%
Citadel Advisors
80
Citadel Advisors
Florida
$68.1M -$758K -2,728 -1%
Man Group
81
Man Group
United Kingdom
$67.1M -$193M -695,284 Closed
TCM
82
Tekla Capital Management
Massachusetts
$67M +$12.6M +45,496 +23%
Balyasny Asset Management
83
Balyasny Asset Management
Illinois
$66.6M +$52.3M +188,012 +366%
DekaBank Deutsche Girozentrale
84
DekaBank Deutsche Girozentrale
Germany
$64.2M +$23M +83,922 +56%
Citigroup
85
Citigroup
New York
$63.9M +$9.21M +33,140 +17%
B
86
Braidwell
Connecticut
$61.4M -$8.84M -31,800 -13%
BNP Paribas Financial Markets
87
BNP Paribas Financial Markets
France
$60.8M -$15.5M -55,714 -20%
Ameriprise
88
Ameriprise
Minnesota
$58.6M +$24.2M +86,919 +70%
EIP
89
Epoch Investment Partners
New York
$58.4M -$3.18M -11,425 -5%
PAM
90
Panagora Asset Management
Massachusetts
$58M +$30.3M +109,152 +110%
Bank of Montreal
91
Bank of Montreal
Ontario, Canada
$56.2M -$34.1M -122,183 -38%
DTC
92
Deep Track Capital
Connecticut
$55.6M -$27.8M -100,000 -33%
Holocene Advisors
93
Holocene Advisors
New York
$54M +$54M +194,105 New
UCFA
94
United Capital Financial Advisors
Texas
$52.7M -$657K -2,362 -1%
SRIM
95
Saratoga Research & Investment Management
California
$51M -$200K -720 -0.4%
Zurich Cantonal Bank
96
Zurich Cantonal Bank
Switzerland
$50.5M +$8.75M +31,483 +21%
Retirement Systems of Alabama
97
Retirement Systems of Alabama
Alabama
$49.9M +$9.27M +33,331 +23%
State Board of Administration of Florida Retirement System
98
State Board of Administration of Florida Retirement System
Florida
$49.6M -$1.02M -3,680 -2%
KAM
99
Krensavage Asset Management
New York
$49.2M +$33.9K +122 +0.1%
Principal Financial Group
100
Principal Financial Group
Iowa
$49M +$970K +3,490 +2%
2 3
4
5 6