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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, Q1 2026

Institutional positions in Janux Therapeutics, Inc. as of Mar 31, 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
190
+17 vs. Q4 2025
Shares held
59.6M
+288.0K (+0.5%) vs. Q4 2025
Total value
$827.8M
+$7.97M (+1.0%) vs. Q4 2025
New holders
46
66 more added
Sold out
29
54 more reduced

3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 190 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 heldQ1 2026: $827.8M
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, Q1 2026

Shares, value and share of portfolio for each institution holding Janux Therapeutics, Inc.; share changes are against Q4 2025.

Institutions holding JANX in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Alliancebernstein L.P.35,590$491.1K0.00%00.0%Unchanged
Deutsche Bank AG36,620$509.0K0.00%+4,450+13.8%Added
California State Teachers Retirement System37,001$514.3K0.00%−319−0.9%Reduced
Martingale Asset Management L P37,984$528.0K0.01%+26,744+237.9%Added
Teachers Retirement System of the State of Kentucky38,875$540.0K0.00%00.0%Unchanged
Nano Cap New Millennium Growth Fund L P39,500$549.0K0.51%+37,000+1,480.0%Added
XTX Topco Ltd42,814$595.1K0.01%−118,613−73.5%Reduced
Russell Investments Group, Ltd.42,938$596.8K0.00%+21,876+103.9%Added
Invesco Ltd.46,923$652.2K0.00%+18,601+65.7%Added
DekaBank Deutsche Girozentrale49,500$656.0K0.00%00.0%Unchanged
HighVista Strategies LLC49,383$686.4K0.19%+7,940+19.2%Added
Gsa Capital Partners LLP50,351$700.0K0.04%+50,351New
HSBC Holdings PLC51,263$711.0K0.00%+51,263New
Tema ETFs LLC51,189$711.5K0.05%+14,097+38.0%Added
Toroso Investments, LLC51,189$711.5K0.00%+51,189New
Raiffeisen Bank International AG55,000$716.6K0.01%+9,000+19.6%Added
Engineers Gate Manager LP51,821$720.3K0.01%+38,674+294.2%Added
Rhumbline Advisers52,637$731.6K0.00%+276+0.5%Added
Federated Hermes, Inc.54,200$753.4K0.00%+42,302+355.5%Added
Barclays PLC55,988$778.2K0.00%−165,245−74.7%Reduced
Price T Rowe Associates Inc58,800$818.0K0.00%−685,666−92.1%Reduced
Headlands Technologies LLC61,633$856.7K0.10%+5,136+9.1%Added
Congress Asset Management Co66,867$929.5K0.01%+9,525+16.6%Added
Winton Group Ltd68,500$952.1K0.03%+36,700+115.4%Added
Rafferty Asset Management, LLC75,732$1.05M0.00%−99,516−56.8%Reduced
Nomura Asset Management International Inc.76,601$1.06M0.00%00.0%Unchanged
Swiss National Bank77,100$1.07M0.00%00.0%Unchanged
UBS Asset Management Americas Inc87,757$1.22M0.00%+12,259+16.2%Added
Franklin Resources Inc90,101$1.25M0.00%−295,200−76.6%Reduced
Weiss Asset Management LP93,144$1.29M0.02%+93,144New
Aquatic Capital Management LLC93,974$1.31M0.04%+41,553+79.3%Added
Dimensional Fund Advisors LP96,630$1.34M0.00%−127,664−56.9%Reduced
Nuveen, LLC97,120$1.35M0.00%+704+0.7%Added
D. E. Shaw & Co., Inc.98,395$1.37M0.00%+65,688+200.8%Added
BNP Paribas Arbitrage, SA105,300$1.46M0.00%+101,349+2,565.1%Added
Readystate Asset Management LP109,425$1.52M0.09%−776,470−87.6%Reduced
Hudson Bay Capital Management LP110,000$1.53M0.01%00.0%Unchanged
ExodusPoint Capital Management, LP114,572$1.59M0.02%−46,976−29.1%Reduced
Capital Fund Management S.A.115,867$1.61M0.01%+115,867New
Two Sigma Investments, LP116,099$1.61M0.00%−354,910−75.4%Reduced
Susquehanna International Group, LLP119,055$1.65M0.00%+83,818+237.9%Added
Connor, Clark & Lunn Investment Management Ltd.119,376$1.66M0.00%+119,376New
Bank of New York Mellon Corp119,826$1.67M0.00%−2,240−1.8%Reduced
Rangeley Capital, LLC122,500$1.70M1.84%+97,086+382.0%Added
Walleye Capital LLC130,618$1.82M0.01%−192,399−59.6%Reduced
Y-Intercept (Hong Kong) Ltd139,967$1.95M0.04%+139,967New
BML Capital Management, LLC154,961$2.15M1.39%+154,961New
Allspring Global Investments Holdings, LLC168,976$2.45M0.00%+168,976New
Schroder Investment Management Group195,160$2.54M0.00%−71,891−26.9%Reduced
Qube Research & Technologies Ltd197,145$2.74M0.00%−18,860−8.7%Reduced
JPMorgan Chase & Co229,268$2.99M0.00%+58,759+34.5%Added
UBS Group AG219,806$3.06M0.00%−370,254−62.7%Reduced
Jump Financial, LLC221,800$3.08M0.05%+125,116+129.4%Added
Jane Street Group, LLC251,740$3.50M0.00%−288,493−53.4%Reduced
ADAR1 Capital Management, LLC298,546$4.15M0.25%+53,094+21.6%Added
Vanguard Fiduciary Trust Co313,648$4.36M0.00%+313,648New
Man Group plc342,986$4.77M0.01%+278,474+431.7%Added
Citadel Advisors LLC352,177$4.90M0.00%−751,967−68.1%Reduced
Charles Schwab Investment Management Inc354,328$4.93M0.00%−36,178−9.3%Reduced
Northern Trust Corp362,180$5.03M0.00%+21,774+6.4%Added
HRT Financial LP366,699$5.10M0.01%+303,155+477.1%Added
Rock Springs Capital Management LP367,009$5.10M0.30%+8,211+2.3%Added
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.376,496$5.23M0.44%00.0%Unchanged
Millennium Management LLC386,810$5.38M0.00%+97,002+33.5%Added
Algert Global LLC443,397$6.16M0.09%+260,030+141.8%Added
Tang Capital Management LLC500,000$6.95M0.35%+500,000New
Goldman Sachs Group Inc602,013$8.37M0.00%−471,643−43.9%Reduced
Squarepoint Ops LLC604,000$8.40M0.02%+213,048+54.5%Added
Morgan Stanley703,940$9.78M0.00%+85,555+13.8%Added
Woodline Partners LP738,032$10.3M0.04%−289,189−28.2%Reduced
Irenic Capital Management LP765,804$10.6M0.97%+765,804New
Bank of America Corp801,646$11.1M0.00%+63,316+8.6%Added
Nantahala Capital Management, LLC809,914$11.3M0.70%+809,914New
OrbiMed Advisors LLC983,600$13.7M0.31%−970,826−49.7%Reduced
Logos Global Management LP1,000,000$13.9M0.72%00.0%Unchanged
Balyasny Asset Management LLC1,090,147$15.2M0.03%+204,596+23.1%Added
Geode Capital Management, LLC1,146,724$15.9M0.00%+33,142+3.0%Added
Point72 Asset Management, L.P.1,156,140$16.1M0.03%+194,321+20.2%Added
Deep Track Capital, LP1,187,290$16.5M0.34%+1,097,701+1,225.3%Added
Vanguard Portfolio Management LLC1,290,256$17.9M0.00%+1,290,256New
Wellington Management Group LLP1,597,650$22.2M0.00%−12,536−0.8%Reduced
Alyeska Investment Group, L.P.1,601,089$22.3M0.06%+300,000+23.1%Added
TCG Crossover Management, LLC1,789,617$24.9M0.71%00.0%Unchanged
Vanguard Capital Management LLC1,811,365$25.2M0.00%+1,811,365New
State Street Corp2,464,017$34.2M0.00%−1,389,934−36.1%Reduced
FMR LLC2,535,724$35.2M0.00%−976,660−27.8%Reduced
Prosight Management, LP3,550,000$49.3M8.09%+1,157,477+48.4%Added
Janus Henderson Group PLC4,196,409$58.3M0.03%−1,154,044−21.6%Reduced
BlackRock, Inc.5,433,233$75.5M0.00%+1,353,033+33.2%Added
Ra Capital Management, L.P.11,189,693$155.5M1.65%00.0%Unchanged
Cormorant Asset Management, LP0$00.00%−650,000−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−400,000−100.0%Sold out
University of Wisconsin Foundation0$00.00%−362,000−100.0%Sold out
Pictet Asset Management Holding SA0$00.00%−272,251−100.0%Sold out
Rhenman & Partners Asset Management AB0$00.00%−225,377−100.0%Sold out
Trexquant Investment LP0$00.00%−170,484−100.0%Sold out
Sphera Funds Management Ltd.0$00.00%−157,840−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−104,100−100.0%Sold out
Blue Owl Capital Holdings LP0$00.00%−100,000−100.0%Sold out
Twinbeech Capital LP0$00.00%−58,810−100.0%Sold out