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Biogen
BIIB

Overview Fund Activity

999 hedge funds and large institutions have $36B invested in Biogen in 2023 Q2 according to their latest regulatory filings, with 97 funds opening new positions, 319 increasing their positions, 359 reducing their positions, and 83 closing their positions.

Holders
999
Holders Change
+8
Holders Change %
+0.81%
% of All Funds
15.76%
Holding in Top 10
18
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-5.26%
% of All Funds
0.28%
New
97
Increased
319
Reduced
359
Closed
83
Calls
$555M
Puts
$599M
Net Calls
-$44.6M
Net Calls Change
-$115M

Top Buyers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$968M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$752M
3
Amundi
3
Amundi
France
$339M
4
Alyeska Investment Group
4
Alyeska Investment Group
Illinois
$105M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$1.27B

Top Sellers

1
Envestnet Asset Management
1
Envestnet Asset Management
Illinois
$89.1M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$321M
3
Marshall Wace
3
Marshall Wace
United Kingdom
$1.44M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$241M
5
Millennium Management
5
Millennium Management
New York
$12.6M
Name Market Value Shares Shares
Change 		Shares
Change %
Bank of Montreal
76
Bank of Montreal
Ontario, Canada
$64.9M 217,115 +15,491 +8%
Assenagon Asset Management
77
Assenagon Asset Management
Luxembourg
$61.7M 216,676 -138,859 -39%
TD Asset Management
78
TD Asset Management
Ontario, Canada
$61.6M 216,184 +60,325 +39%
PAM
79
Panagora Asset Management
Massachusetts
$58.6M 205,897 -2,654 -1%
EIP
80
Epoch Investment Partners
New York
$57.8M 203,016 -7,160 -3%
Zurich Cantonal Bank
81
Zurich Cantonal Bank
Switzerland
$56.6M 198,773 +17,253 +10%
Ameriprise
82
Ameriprise
Minnesota
$56.6M 198,727 -12,113 -6%
PHS
83
PFM Health Sciences
California
$56.5M 198,334 +198,334 New
Russell Investments Group
84
Russell Investments Group
United Kingdom
$53.4M 187,477 -70,564 -27%
UCFA
85
United Capital Financial Advisors
Texas
$53.2M 186,809 -2,767 -1%
VRS
86
Virginia Retirement Systems
Virginia
$52.6M 184,604 +14,300 +8%
SRIM
87
Saratoga Research & Investment Management
California
$51M 179,043 -4,286 -2%
KAM
88
Krensavage Asset Management
New York
$50.4M 176,826 -300 -0.2%
State Board of Administration of Florida Retirement System
89
State Board of Administration of Florida Retirement System
Florida
$50M 175,702 -2,734 -2%
LP
90
LMR Partners
United Kingdom
$49.9M 175,321 +139,878 +395%
APM
91
Avidity Partners Management
Texas
$49.6M 174,000 +45,200 +35%
Man Group
92
Man Group
United Kingdom
$48.7M 170,811 +170,811 New
Verition Fund Management
93
Verition Fund Management
Connecticut
$48.5M 170,228 +38,018 +29%
Principal Financial Group
94
Principal Financial Group
Iowa
$48.5M 170,210 -6,167 -3%
Retirement Systems of Alabama
95
Retirement Systems of Alabama
Alabama
$48.4M 169,797 -9,666 -5%
Prudential Financial
96
Prudential Financial
New Jersey
$47.4M 166,465 -114,363 -41%
Brown Advisory
97
Brown Advisory
Maryland
$46.9M 164,803 +3,590 +2%
Canada Life
98
Canada Life
Manitoba, Canada
$45.4M 158,657 -8,053 -5%
Two Sigma Advisers
99
Two Sigma Advisers
New York
$44.8M 157,200 -144,000 -48%
New York State Common Retirement Fund
100
New York State Common Retirement Fund
New York
$44.6M 156,740 -1,105 -0.7%
2 3
4
5 6