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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 $945.8M in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Janux Therapeutics, Inc. as of Jun 30, 2026. 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
197
+9 vs. Q1 2026
Shares held
61.6M
+6.21M (+11.2%) vs. Q1 2026
Total value
$945.8M
+$176.3M (+22.9%) vs. Q1 2026
New holders
40
84 more added
Sold out
31
45 more reduced

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 197 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: 182 institutionsQ2 2025: 174 institutionsQ3 2025: 174 institutionsQ4 2025: 176 institutionsQ1 2026: 190 institutionsQ2 2026: 197 institutions
Value heldQ2 2026: $945.8M
Q1 2021: $0Q2 2021: $614.5MQ3 2021: $571.2MQ4 2021: $541.6MQ1 2022: $407.1MQ2 2022: $353.0MQ3 2022: $426.8MQ4 2022: $381.3MQ1 2023: $431.7MQ2 2023: $362.1MQ3 2023: $354.1MQ4 2023: $360.6MQ1 2024: $1.62BQ2 2024: $1.93BQ3 2024: $2.07BQ4 2024: $3.43BQ1 2025: $1.81BQ2 2025: $1.52BQ3 2025: $1.60BQ4 2025: $860.0MQ1 2026: $827.8MQ2 2026: $945.8M
Institutions holding JANX and their total value by quarter
QuarterHoldersValue
Q2 2026197$945.8M
Q1 2026190$827.8M
Q4 2025176$860.0M
Q3 2025174$1.60B
Q2 2025174$1.52B
Q1 2025182$1.81B
Q4 2024216$3.43B
Q3 2024160$2.07B
Q2 2024155$1.93B
Q1 2024121$1.62B
Q4 202364$360.6M
Q3 202357$354.1M
Q2 202354$362.1M
Q1 202348$431.7M
Q4 202250$381.3M
Q3 202249$426.8M
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 2026

Shares, value and share of portfolio for each institution holding Janux Therapeutics, Inc.; share changes are against Q1 2026.

Institutions holding JANX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.11,189,693$171.9M1.49%00.0%Unchanged
BlackRock, Inc.6,134,667$94.2M0.00%+701,434+12.9%Added
Prosight Management, LP3,804,481$58.4M10.07%+254,481+7.2%Added
State Street Corp3,004,899$46.2M0.00%+540,882+22.0%Added
FMR LLC2,412,825$37.1M0.00%−122,899−4.8%Reduced
Federated Hermes, Inc.2,352,927$36.1M0.05%+2,298,727+4,241.2%Added
Point72 Asset Management, L.P.1,993,837$30.6M0.05%+837,697+72.5%Added
Vanguard Capital Management LLC1,857,351$28.5M0.00%+45,986+2.5%Added
TCG Crossover Management, LLC1,789,617$27.5M0.66%00.0%Unchanged
Alyeska Investment Group, L.P.1,647,140$25.3M0.07%+46,051+2.9%Added
Nantahala Capital Management, LLC1,619,828$24.9M0.75%+809,914+100.0%Added
Wellington Management Group LLP1,507,360$23.2M0.00%−90,290−5.7%Reduced
Vanguard Portfolio Management LLC1,330,710$20.4M0.00%+40,454+3.1%Added
Two Sigma Investments, LP1,207,250$18.5M0.01%+1,091,151+939.8%Added
Geode Capital Management, LLC1,204,150$18.5M0.00%+57,426+5.0%Added
Citadel Advisors LLC1,200,737$18.4M0.01%+848,560+240.9%Added
Algert Global LLC1,110,889$17.1M0.20%+667,492+150.5%Added
D. E. Shaw & Co., Inc.1,096,509$16.8M0.01%+998,114+1,014.4%Added
Goldman Sachs Group Inc952,675$14.6M0.00%+350,662+58.2%Added
Bank of America Corp910,460$14.0M0.00%+108,814+13.6%Added
Morgan Stanley836,966$12.9M0.00%+133,026+18.9%Added
Qube Research & Technologies Ltd702,057$10.8M0.01%+504,912+256.1%Added
Squarepoint Ops LLC532,321$8.18M0.02%−71,679−11.9%Reduced
OrbiMed Advisors LLC524,700$8.06M0.15%−458,900−46.7%Reduced
Millennium Management LLC504,544$7.75M0.01%+117,734+30.4%Added
HRT Financial LP491,001$7.54M0.01%+124,302+33.9%Added
ADAR1 Capital Management, LLC420,881$6.46M0.30%+122,335+41.0%Added
Northern Trust Corp398,366$6.12M0.00%+36,186+10.0%Added
Jane Street Group, LLC391,991$6.02M0.00%+140,251+55.7%Added
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.376,496$5.78M0.32%00.0%Unchanged
Woodline Partners LP370,032$5.68M0.02%−368,000−49.9%Reduced
Charles Schwab Investment Management Inc369,191$5.67M0.00%+14,863+4.2%Added
Rock Springs Capital Management LP367,009$5.64M0.28%00.0%Unchanged
Jump Financial, LLC361,665$5.56M0.05%+139,865+63.1%Added
Dimensional Fund Advisors LP359,725$5.53M0.00%+263,095+272.3%Added
Vanguard Fiduciary Trust Co315,271$4.84M0.00%+1,623+0.5%Added
Panagora Asset Management Inc269,113$4.13M0.01%+269,113New
Man Group plc248,801$3.82M0.01%−94,185−27.5%Reduced
Balyasny Asset Management LLC211,635$3.25M0.01%−878,512−80.6%Reduced
BNP Paribas Arbitrage, SA209,593$3.22M0.00%+104,293+99.0%Added
Y-Intercept (Hong Kong) Ltd196,487$3.02M0.06%+56,520+40.4%Added
JPMorgan Chase & Co178,535$2.74M0.00%−50,733−22.1%Reduced
Jupiter Topco LLC172,229$2.65M0.00%+172,229New
Allspring Global Investments Holdings, LLC166,092$2.43M0.00%−2,884−1.7%Reduced
BML Capital Management, LLC154,961$2.38M1.36%00.0%Unchanged
UBS Group AG150,701$2.31M0.00%−69,105−31.4%Reduced
Bank of New York Mellon Corp135,072$2.07M0.00%+15,246+12.7%Added
Connor, Clark & Lunn Investment Management Ltd.133,870$2.06M0.00%+14,494+12.1%Added
Thrivent Financial for Lutherans115,030$1.77M0.00%+115,030New
AQR Capital Management LLC108,077$1.66M0.00%+108,077New
Franklin Resources Inc105,281$1.62M0.00%+15,180+16.8%Added
Capital Fund Management S.A.101,972$1.57M0.01%−13,895−12.0%Reduced
Rangeley Capital, LLC97,978$1.50M1.40%−24,522−20.0%Reduced
Nuveen, LLC97,120$1.49M0.00%00.0%Unchanged
Winton Group Ltd90,300$1.39M0.04%+21,800+31.8%Added
Price T Rowe Associates Inc84,981$1.31M0.00%+26,181+44.5%Added
Russell Investments Group, Ltd.81,601$1.25M0.00%+38,663+90.0%Added
Swiss National Bank79,300$1.22M0.00%+2,200+2.9%Added
XTX Topco Ltd77,233$1.19M0.02%+34,419+80.4%Added
Nomura Asset Management International Inc.76,601$1.18M0.00%00.0%Unchanged
Quantinno Capital Management LP70,237$1.08M0.00%+44,173+169.5%Added
Citigroup Inc70,235$1.08M0.00%+58,497+498.4%Added
Congress Asset Management Co67,610$1.04M0.01%+743+1.1%Added
Barclays PLC63,679$978.1K0.00%+7,691+13.7%Added
Trexquant Investment LP63,355$973.1K0.01%+63,355New
Walleye Capital LLC62,338$957.5K0.00%−68,280−52.3%Reduced
Raiffeisen Bank International AG60,000$919.5K0.01%+5,000+9.1%Added
UBS Asset Management Americas Inc59,019$906.5K0.00%−28,738−32.7%Reduced
Invesco Ltd.58,002$890.9K0.00%+11,079+23.6%Added
Nano Cap New Millennium Growth Fund L P56,000$860.2K0.66%+16,500+41.8%Added
Rhumbline Advisers55,221$848.2K0.00%+2,584+4.9%Added
Alliancebernstein L.P.60,960$847.3K0.00%+25,370+71.3%Added
Rafferty Asset Management, LLC53,608$823.4K0.00%−22,124−29.2%Reduced
Toroso Investments, LLC51,522$791.4K0.00%+333+0.7%Added
Tema ETFs LLC51,522$791.4K0.03%+333+0.7%Added
California State Teachers Retirement System50,932$782.3K0.00%+13,931+37.7%Added
Los Angeles Capital Management LLC48,774$749.2K0.00%+40,342+478.4%Added
Wells Fargo & Company48,726$748.4K0.00%+23,846+95.8%Added
HighVista Strategies LLC48,376$743.1K0.17%−1,007−2.0%Reduced
Gsa Capital Partners LLP48,139$739.0K0.05%−2,212−4.4%Reduced
Axq Capital, LP47,508$729.7K0.08%+24,777+109.0%Added
American Century Companies Inc46,476$713.9K0.00%+16,261+53.8%Added
Engineers Gate Manager LP45,313$696.0K0.01%−6,508−12.6%Reduced
HSBC Holdings PLC44,101$686.2K0.00%−7,162−14.0%Reduced
Creative Planning44,232$679.4K0.00%+9,024+25.6%Added
Deutsche Bank AG43,278$664.8K0.00%+6,658+18.2%Added
DekaBank Deutsche Girozentrale49,500$643.0K0.00%00.0%Unchanged
Jain Global LLC41,429$636.3K0.01%+19,969+93.1%Added
Verdad Advisers, LP40,386$620.3K0.59%+40,386New
Schonfeld Strategic Advisors LLC40,161$616.9K0.00%+27,822+225.5%Added
Teachers Retirement System of the State of Kentucky38,875$597.0K0.00%00.0%Unchanged
Jackson Creek Investment Advisors LLC34,719$527.0K0.17%+34,719New
Marshall Wace, LLP32,734$502.8K0.00%+32,734New
Legal & General Group Plc30,998$476.1K0.00%−2,381−7.1%Reduced
Martingale Asset Management L P30,977$475.8K0.01%−7,007−18.4%Reduced
FNY Investment Advisers, LLC30,850$473.0K0.17%+140+0.5%Added
Hudson Bay Capital Management LP30,000$460.8K0.00%−80,000−72.7%Reduced
SG Americas Securities, LLC29,278$450.0K0.00%−2,255−7.2%Reduced
CenterBook Partners LP28,502$437.8K0.02%+28,502New
Tudor Investment Corp Et Al28,070$431.2K0.00%−1,619−5.5%Reduced