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Biogen
BIIB

Overview Fund Activity

955 hedge funds and large institutions have $32B invested in Biogen in 2023 Q3 according to their latest regulatory filings, with 90 funds opening new positions, 331 increasing their positions, 342 reducing their positions, and 118 closing their positions.

Holders
955
Holders Change
-44
Holders Change %
-4.4%
% of All Funds
15.23%
Holding in Top 10
14
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-22.22%
% of All Funds
0.22%
New
90
Increased
331
Reduced
342
Closed
118
Calls
$575M
Puts
$517M
Net Calls
+$57.3M
Net Calls Change
+$102M

Top Buyers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$1.22B
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$1.28B
3
Massachusetts Financial Services
3
Massachusetts Financial Services
Massachusetts
$115M
4
VanEck Associates
4
VanEck Associates
New York
$306M
5
Macquarie Group
5
Macquarie Group
Australia
$70.2M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$350M
2
LAM
2
L2 Asset Management
Massachusetts
$2.29M
3
FCM
3
Farallon Capital Management
California
$0
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$12.4M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$71.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
American Century Companies
26
American Century Companies
Missouri
$231M +$51.5M +200,310 +29%
Charles Schwab
27
Charles Schwab
California
$218M -$388K -1,511 -0.2%
Goldman Sachs
28
Goldman Sachs
New York
$203M -$8.95M -34,820 -4%
Allianz Asset Management
29
Allianz Asset Management
Germany
$199M +$5.18M +20,147 +3%
BNP Paribas Asset Management
30
BNP Paribas Asset Management
France
$170M +$28M +108,841 +20%
SCM
31
Sarissa Capital Management
Connecticut
$165M – – –
Franklin Resources
32
Franklin Resources
California
$162M +$47.7M +185,742 +42%
Nuveen Asset Management
33
Nuveen Asset Management
Illinois
$150M -$6.13M -23,851 -4%
O
34
OrbiMed
New York
$143M – – –
RCM
35
RA Capital Management
Massachusetts
$137M – – –
Swiss National Bank
36
Swiss National Bank
Switzerland
$120M -$14.5M -56,300 -11%
Massachusetts Financial Services
37
Massachusetts Financial Services
Massachusetts
$115M +$77.1M +300,086 +205%
Alyeska Investment Group
38
Alyeska Investment Group
Illinois
$114M +$19.2M +74,808 +20%
Axa
39
Axa
France
$113M +$269K +1,047 +0.2%
SC
40
Samlyn Capital
New York
$108M +$6.45M +25,083 +6%
UBS Group
41
UBS Group
Switzerland
$108M +$6.96M +27,066 +7%
First Trust Advisors
42
First Trust Advisors
Illinois
$104M -$1.59M -6,186 -2%
Barclays
43
Barclays
United Kingdom
$102M -$49.4M -192,085 -33%
PAI
44
Palo Alto Investors
California
$98M – – –
Sumitomo Mitsui Trust Group
45
Sumitomo Mitsui Trust Group
Japan
$97.3M -$445K -1,732 -0.5%
Parnassus Investments
46
Parnassus Investments
California
$92.7M +$14.1M +54,934 +18%
Bank of America
47
Bank of America
North Carolina
$91M +$7.17M +27,914 +9%
CS
48
Credit Suisse
Switzerland
$89.6M -$690K -2,685 -0.8%
LSV Asset Management
49
LSV Asset Management
Illinois
$88.6M -$2.25M -8,772 -2%
Robeco Institutional Asset Management
50
Robeco Institutional Asset Management
Netherlands
$87.8M -$362K -1,407 -0.4%
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