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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.

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 %
Allianz Asset Management
26
Allianz Asset Management
Germany
$194M +$32.7M +117,635 +20%
Point72 Asset Management
27
Point72 Asset Management
Connecticut
$193M -$148M -531,011 -43%
Goldman Sachs
28
Goldman Sachs
New York
$184M -$88.3M -317,433 -32%
SCM
29
Sarissa Capital Management
Connecticut
$179M – – –
FCM
30
Farallon Capital Management
California
$172M +$7.53M +27,099 +5%
Nuveen Asset Management
31
Nuveen Asset Management
Illinois
$169M +$15.3M +54,975 +10%
Amundi
32
Amundi
France
$164M -$68.3M -240,340 -29%
Swiss National Bank
33
Swiss National Bank
Switzerland
$159M -$5.09M -18,300 -3%
Marshall Wace
34
Marshall Wace
United Kingdom
$148M -$198M -711,217 -57%
RCM
35
RA Capital Management
Massachusetts
$148M – – –
Millennium Management
36
Millennium Management
New York
$143M +$48.6M +174,807 +52%
O
37
OrbiMed
New York
$140M +$68.6M +246,800 +96%
Bank of America
38
Bank of America
North Carolina
$135M -$2.9M -10,427 -2%
Barclays
39
Barclays
United Kingdom
$127M -$45.8M -164,885 -26%
AC
40
Armistice Capital
New York
$125M +$13.9M +50,000 +13%
Sumitomo Mitsui Trust Group
41
Sumitomo Mitsui Trust Group
Japan
$123M -$21.8M -78,298 -15%
Nordea Investment Management
42
Nordea Investment Management
Sweden
$119M +$1.66M +6,005 +1%
Franklin Resources
43
Franklin Resources
California
$118M +$1M +3,602 +0.9%
AQR Capital Management
44
AQR Capital Management
Connecticut
$117M +$62.2M +224,668 +114%
Axa
45
Axa
France
$116M +$8.15M +29,308 +8%
BNP Paribas Asset Management
46
BNP Paribas Asset Management
France
$114M +$6.53M +23,502 +6%
SC
47
Samlyn Capital
New York
$111M +$36.7M +132,127 +49%
First Trust Advisors
48
First Trust Advisors
Illinois
$107M +$30.7M +110,309 +40%
PAI
49
Palo Alto Investors
California
$106M +$334K +1,200 +0.3%
American Century Companies
50
American Century Companies
Missouri
$104M -$2.9M -10,426 -3%
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