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Janux Therapeutics, Inc.

JANX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001817713

No open-market purchases or sales by Janux Therapeutics, Inc. insiders were filed in the last 90 days; 197 institutions reported holding it in 13F filings for Q2 2026, worth $933.4M in total; no superinvestor holds it.

13F holders, Q2 2025

Institutional positions in Janux Therapeutics, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
174
−6 vs. Q1 2025
Shares held
65.5M
−1.03M (−1.5%) vs. Q1 2025
Total value
$1.51B
−$291.9M (−16.2%) vs. Q1 2025
New holders
16
80 more added
Sold out
22
54 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting JANX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 174 institutions
Q1 2021: 0 institutionsQ2 2021: 30 institutionsQ3 2021: 45 institutionsQ4 2021: 46 institutionsQ1 2022: 47 institutionsQ2 2022: 44 institutionsQ3 2022: 49 institutionsQ4 2022: 50 institutionsQ1 2023: 48 institutionsQ2 2023: 54 institutionsQ3 2023: 57 institutionsQ4 2023: 64 institutionsQ1 2024: 121 institutionsQ2 2024: 155 institutionsQ3 2024: 160 institutionsQ4 2024: 216 institutionsQ1 2025: 181 institutionsQ2 2025: 174 institutionsQ3 2025: 174 institutionsQ4 2025: 176 institutionsQ1 2026: 190 institutionsQ2 2026: 197 institutions
Value heldQ2 2025: $1.51B
Q1 2021: $0Q2 2021: $614.5MQ3 2021: $571.2MQ4 2021: $541.6MQ1 2022: $407.1MQ2 2022: $353.0MQ3 2022: $400.3MQ4 2022: $381.3MQ1 2023: $369.5MQ2 2023: $362.1MQ3 2023: $354.0MQ4 2023: $359.5MQ1 2024: $1.59BQ2 2024: $1.87BQ3 2024: $2.07BQ4 2024: $3.43BQ1 2025: $1.81BQ2 2025: $1.51BQ3 2025: $1.59BQ4 2025: $860.0MQ1 2026: $827.8MQ2 2026: $933.4M
Institutions holding JANX and their total value by quarter
QuarterHoldersValue
Q2 2026197$933.4M
Q1 2026190$827.8M
Q4 2025176$860.0M
Q3 2025174$1.59B
Q2 2025174$1.51B
Q1 2025181$1.81B
Q4 2024216$3.43B
Q3 2024160$2.07B
Q2 2024155$1.87B
Q1 2024121$1.59B
Q4 202364$359.5M
Q3 202357$354.0M
Q2 202354$362.1M
Q1 202348$369.5M
Q4 202250$381.3M
Q3 202249$400.3M
Q2 202244$353.0M
Q1 202247$407.1M
Q4 202146$541.6M
Q3 202145$571.2M
Q2 202130$614.5M
Q1 20210$0

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Janux Therapeutics, Inc.; share changes are against Q1 2025.

Institutions holding JANX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.11,189,693$258.5M4.35%00.0%Unchanged
FMR LLC8,888,742$205.3M0.01%+4,670+0.1%Added
Janus Henderson Group PLC4,460,332$103.0M0.05%−137,760−3.0%Reduced
BlackRock, Inc.3,402,847$78.6M0.00%+529,888+18.4%Added
Paradigm Biocapital Advisors LP2,920,258$67.5M2.88%−409,651−12.3%Reduced
Adage Capital Partners GP, L.L.C.2,525,000$58.3M0.10%−1,129,574−30.9%Reduced
Vanguard Group Inc2,189,428$50.6M0.00%−89,232−3.9%Reduced
Point72 Asset Management, L.P.2,143,900$49.5M0.12%+1,767,238+469.2%Added
Price T Rowe Associates Inc1,793,427$41.4M0.00%+400,601+28.8%Added
Cormorant Asset Management, LP1,500,000$34.6M2.58%−500,000−25.0%Reduced
EcoR1 Capital, LLC1,469,818$34.0M2.02%00.0%Unchanged
State Street Corp1,388,108$32.1M0.00%+16,611+1.2%Added
Woodline Partners LP1,241,938$28.7M0.15%−215,157−14.8%Reduced
Citadel Advisors LLC1,231,126$28.4M0.02%+524,462+74.2%Added
OrbiMed Advisors LLC1,210,300$28.0M0.70%+451,734+59.6%Added
Franklin Resources Inc1,069,195$24.7M0.01%−117,284−9.9%Reduced
Logos Global Management LP1,000,000$23.1M3.09%−650,000−39.4%Reduced
Geode Capital Management, LLC902,312$20.8M0.00%+121,403+15.5%Added
Bank of America Corp859,423$19.9M0.00%+110,097+14.7%Added
Prosight Management, LP853,904$19.7M4.81%+164,003+23.8%Added
Readystate Asset Management LP695,956$16.1M0.67%+419,396+151.6%Added
Pictet Asset Management Holding SA671,485$15.5M0.02%+14,880+2.3%Added
MPM Oncology Impact Management LP614,282$14.2M2.46%+47,089+8.3%Added
Wellington Management Group LLP492,361$11.4M0.00%+98,884+25.1%Added
Caption Management, LLC457,012$10.6M0.97%+412,569+928.3%Added
First Turn Management, LLC447,420$10.3M1.93%+17,257+4.0%Added
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.376,496$8.70M1.03%00.0%Unchanged
Goldman Sachs Group Inc348,490$8.05M0.00%+62,212+21.7%Added
Northern Trust Corp341,842$7.90M0.00%+42,623+14.2%Added
Royal Bank of Canada333,752$7.71M0.00%+331,996+18,906.4%Added
Morgan Stanley315,731$7.29M0.00%+33,304+11.8%Added
Charles Schwab Investment Management Inc299,377$6.92M0.00%+25,734+9.4%Added
Perceptive Advisors LLC292,686$6.76M0.25%−677,726−69.8%Reduced
UBS Group AG292,533$6.76M0.00%−195,947−40.1%Reduced
Standard Life Aberdeen plc285,288$6.59M0.01%+60,500+26.9%Added
Alyeska Investment Group, L.P.258,678$5.98M0.02%−150,000−36.7%Reduced
Ameriprise Financial Inc255,585$5.90M0.00%−5,677−2.2%Reduced
Qube Research & Technologies Ltd247,873$5.73M0.01%−55,321−18.2%Reduced
JPMorgan Chase & Co247,424$5.72M0.00%+112,116+82.9%Added
Schroder Investment Management Group246,916$5.70M0.00%+54,544+28.4%Added
Susquehanna International Group, LLP229,989$5.31M0.01%−138,946−37.7%Reduced
Jump Financial, LLC228,430$5.28M0.06%+134,400+142.9%Added
Millennium Management LLC214,362$4.95M0.00%+132,089+160.5%Added
Rock Springs Capital Management LP210,266$4.86M0.30%+5,800+2.8%Added
Tang Capital Management LLC200,000$4.62M0.23%+50,000+33.3%Added
Squarepoint Ops LLC189,569$4.38M0.01%+132,121+230.0%Added
Victory Capital Management Inc182,066$4.21M0.00%−83,585−31.5%Reduced
Skandinaviska Enskilda Banken AB (publ)177,820$4.11M0.02%00.0%Unchanged
First Light Asset Management, LLC149,596$3.46M0.45%−509,228−77.3%Reduced
Cubist Systematic Strategies, LLC141,776$3.28M0.04%+65,916+86.9%Added
Dimensional Fund Advisors LP138,661$3.20M0.00%+121,711+718.1%Added
Barclays PLC132,341$3.06M0.00%+64,575+95.3%Added
Ikarian Capital, LLC129,691$3.00M0.99%00.0%Unchanged
Bank of New York Mellon Corp114,699$2.65M0.00%+25,329+28.3%Added
Tudor Investment Corp Et Al113,749$2.63M0.02%−60,601−34.8%Reduced
UBS Asset Management Americas Inc111,362$2.57M0.00%−75,032−40.3%Reduced
Two Sigma Investments, LP104,382$2.41M0.00%+104,382New
Lazard Asset Management LLC99,858$2.31M0.00%+39,278+64.8%Added
Trexquant Investment LP96,174$2.22M0.03%−72,798−43.1%Reduced
Nuveen, LLC95,975$2.22M0.00%−27,704−22.4%Reduced
Algert Global LLC92,482$2.14M0.04%+51,822+127.5%Added
StemPoint Capital LP89,933$2.08M0.67%−252,129−73.7%Reduced
DekaBank Deutsche Girozentrale49,500$2.04M0.00%00.0%Unchanged
Sphera Funds Management Ltd.85,840$1.98M0.52%−40,000−31.8%Reduced
Twinbeech Capital LP81,882$1.89M0.04%+4,445+5.7%Added
Swiss National Bank79,100$1.83M0.00%00.0%Unchanged
Macquarie Group Ltd76,601$1.77M0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The74,740$1.73M0.00%+5,995+8.7%Added
ExodusPoint Capital Management, LP74,715$1.73M0.02%+46,751+167.2%Added
State of Wisconsin Investment Board70,262$1.62M0.00%+19,297+37.9%Added
TD Asset Management Inc65,236$1.51M0.00%−400−0.6%Reduced
HighVista Strategies LLC62,436$1.44M0.53%−12,120−16.3%Reduced
ADAR1 Capital Management, LLC62,088$1.43M0.23%−91,679−59.6%Reduced
Quinn Opportunity Partners LLC59,893$1.38M0.12%+8,000+15.4%Added
Rhumbline Advisers59,391$1.37M0.00%+16,741+39.3%Added
Russell Investments Group, Ltd.55,536$1.28M0.00%−98,312−63.9%Reduced
Rhenman & Partners Asset Management AB55,127$1.27M0.16%−86,500−61.1%Reduced
Walleye Capital LLC53,476$1.24M0.01%+42,096+369.9%Added
NEOS Investment Management LLC50,065$1.16M0.01%+4,128+9.0%Added
Tema ETFs LLC50,065$1.16M0.31%+4,128+9.0%Added
HealthInvest Partners AB49,820$1.15M0.49%+3,012+6.4%Added
Ratan Capital Management LP13,288$1.14M0.56%−63,512−82.7%Reduced
Farallon Capital Management, L.L.C.48,000$1.11M0.01%00.0%Unchanged
Legal & General Group Plc47,353$1.09M0.00%+5,055+12.0%Added
Rafferty Asset Management, LLC46,929$1.08M0.00%−9,350−16.6%Reduced
Dark Forest Capital Management LP46,856$1.08M0.04%+2,184+4.9%Added
Gilder Gagnon Howe & Co LLC45,411$1.05M0.01%−4,695−9.4%Reduced
Avalon Ventures Management, LLC43,300$1.00M5.26%+43,300New
Aquatic Capital Management LLC43,027$993.9K0.02%−19,442−31.1%Reduced
Engineers Gate Manager LP39,749$918.2K0.01%+21,258+115.0%Added
Boothbay Fund Management, LLC39,455$911.4K0.03%−5,203−11.7%Reduced
Zacks Investment Management37,968$877.1K0.01%−154−0.4%Reduced
California State Teachers Retirement System37,139$857.9K0.00%+404+1.1%Added
Alliancebernstein L.P.35,590$822.1K0.00%−23,786−40.1%Reduced
Jane Street Group, LLC33,813$781.1K0.00%+33,813New
Citigroup Inc33,690$778.2K0.00%−42,592−55.8%Reduced
Capital Fund Management S.A.32,772$757.0K0.01%+32,772New
Deutsche Bank AG30,018$693.4K0.00%−69,673−69.9%Reduced
Hudson Bay Capital Management LP30,000$693.0K0.00%−80,000−72.7%Reduced
Tejara Capital Ltd29,800$688.4K0.32%+29,800New