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Janux Therapeutics
JANX

Overview Fund Activity

181 hedge funds and large institutions have $1.81B invested in Janux Therapeutics in 2025 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 96 increasing their positions, 44 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
181
Holders Change
-34
Holders Change %
-15.81%
% of All Funds
2.46%
Holding in Top 10
7
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-30%
% of All Funds
0.1%
New
20
Increased
96
Reduced
44
Closed
53
Calls
$17.2M
Puts
$4.35M
Net Calls
+$12.8M
Net Calls Change
-$5.21M

Top Buyers

1
Janus Henderson Group
Janus Henderson Group
United Kingdom
$134M
2
RCM
RA Capital Management
Massachusetts
$302M
3
Franklin Resources
Franklin Resources
California
$32M
4
Adage Capital Partners
Adage Capital Partners
Massachusetts
$98.7M
5
LGM
Logos Global Management
California
$44.6M

Top Sellers

1
Holocene Advisors
Holocene Advisors
New York
$0
2
DCM
Driehaus Capital Management
Illinois
$0
3
Citadel Advisors
Citadel Advisors
Florida
$19.1M
4
Lord, Abbett & Co
Lord, Abbett & Co
New Jersey
$18M
5
SI
Sofinnova Investments
California
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Russell Investments Group
51
Russell Investments Group
United Kingdom
$4.15M +$4.13M +152,837 +15,117%
ACM
52
ADAR1 Capital Management
Texas
$4.15M +$3.3M +122,258 +388%
TCM
53
Tang Capital Management
California
$4.05M +$2.7M +100,000 +200%
RPAM
54
Rhenman & Partners Asset Management
Sweden
$3.82M -$766K -28,373 -17%
JPMorgan Chase & Co
55
JPMorgan Chase & Co
New York
$3.65M -$1.52M -56,295 -29%
IC
56
Ikarian Capital
Texas
$3.5M +$1.49M +55,000 +74%
SFM
57
Sphera Funds Management
Israel
$3.4M +$1.55M +57,507 +84%
NL
58
Nuveen LLC
North Carolina
$3.34M +$3.34M +123,679 New
First Trust Advisors
59
First Trust Advisors
Illinois
$3.09M -$366K -13,560 -11%
Hudson Bay Capital Management
60
Hudson Bay Capital Management
Connecticut
$2.97M +$2.16M +80,000 +267%
Deutsche Bank
61
Deutsche Bank
Germany
$2.69M +$180K +6,662 +7%
JF
62
Jump Financial
Illinois
$2.54M +$2.54M +94,030 New
Bank of New York Mellon
63
Bank of New York Mellon
New York
$2.41M +$284K +10,511 +13%
Millennium Management
64
Millennium Management
New York
$2.22M -$913K -33,829 -29%
ABG
65
Ally Bridge Group
New York
$2.19M -$243K -9,000 -10%
Swiss National Bank
66
Swiss National Bank
Switzerland
$2.14M – – –
SFAM
67
Springhill Fund Asset Management
Hong Kong
$2.12M +$1.32M +48,900 +165%
TC
68
TwinBeech Capital
New York
$2.09M +$2.09M +77,437 New
RCM
69
Ratan Capital Management
Florida
$2.07M -$2.77M -102,507 -57%
Macquarie Group
70
Macquarie Group
Australia
$2.07M – – –
Citigroup
71
Citigroup
New York
$2.06M -$88.1K -3,264 -4%
CSS
72
Cubist Systematic Strategies
Connecticut
$2.05M +$959K +35,511 +88%
HS
73
HighVista Strategies
Massachusetts
$2.01M +$131K +4,841 +7%
DekaBank Deutsche Girozentrale
74
DekaBank Deutsche Girozentrale
Germany
$1.88M – – –
Manulife (Manufacturers Life Insurance)
75
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.86M +$141K +5,233 +8%
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