Janux TherapeuticsJANX
13F holders, Q1 2025 (March 31)181holders −35
18new positions
53sold out
5famous investors
$27.16avg. 13F price*
At the end of Q1 2025, 181 institutions reported holding Janux Therapeutics Inc. (JANX) in their 13F filings, down 35 from Q4 2024. 18 opened new positions and 53 sold out. The largest holders were Ra Capital Management, L.P. ($302.1M), FMR LLC ($239.9M) and Janus Henderson Group PLC ($133.7M). 5 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Janux Therapeutics Inc.
- CUSIP
- 47103J105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 18 | $14.3M |
| Exits | 53 | $168.8M |
All 13F filers, Q4 2024 → Q1 2025: 9,334,543 shares bought and 6,987,310 shares sold, net +2,347,233 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 181 holders
| Ra Capital Management, L.P. | 5.05% | Add +8.0% | 11,189,693 | $302.1M |
| FMR LLC | 0.02% | Add +2.5% | 8,884,072 | $239.9M |
| Janus Henderson Group PLC | 0.07% | Add +29.1% | 4,598,092 | $133.7M |
| Adage Capital Partners Gp, L.L.C. | 0.18% | Add +19.4% | 3,654,574 | $98.7M |
| Paradigm Biocapital Advisors LP | 4.14% | Reduce -5.3% | 3,329,909 | $89.9M |
| BlackRock, Inc. | 0.00% | Add +5.4% | 2,872,959 | $77.6M |
| Vanguard Group Inc. | 0.00% | Add +6.7% | 2,278,660 | $61.5M |
| Cormorant Asset Management, LP | 4.09% | Reduce -4.8% | 2,000,000 | $54.0M |
| Logos Global Management LP | 7.92% | Add +32.0% | 1,650,000 | $44.5M |
| EcoR1 Capital, LLC | 2.36% | No change | 1,469,818 | $39.7M |
| Woodline Partners LP | 0.26% | Reduce -21.3% | 1,457,095 | $39.3M |
| T. Rowe Price Associates Inc. | 0.00% | Add +25.5% | 1,392,826 | $37.6M |
| State Street Corp. | 0.00% | Add +8.2% | 1,371,497 | $37.0M |
| Franklin Resources Inc. | 0.01% | Add +138.6% | 1,186,479 | $32.0M |
| Perceptive Advisors LLC | 0.93% | Add +18.6% | 970,412 | $26.2M |
| Geode Capital Management, LLC | 0.00% | Add +9.2% | 780,909 | $21.1M |
| Orbimed Advisors LLC | 0.49% | No change | 758,566 | $20.5M |
| Bank of America Corp. | 0.00% | Reduce -5.7% | 749,326 | $20.2M |
| Citadel Advisors | 0.02% | Reduce -48.1% | 706,664 | $19.1M |
| Prosight Management, LP | 6.12% | Add +109.2% | 689,901 | $18.6M |
| Lord, Abbett & Co. LLC | 0.07% | Reduce -47.3% | 667,881 | $18.0M |
| First Light Asset Management, LLC | 2.03% | Add +110.0% | 658,824 | $17.8M |
| Pictet Asset Management Holding SA | 0.02% | Add +70.6% | 656,605 | $17.7M |
| MPM Bioimpact LLC | 2.63% | Add +146.6% | 567,193 | $15.3M |
| UBS Group AG | 0.00% | Add +117.0% | 488,480 | $13.2M |
| First Turn Management, LLC | 2.34% | Add +12.1% | 430,163 | $11.6M |
| Alyeska Investment Group, L.P. | 0.04% | Add +18.5% | 408,678 | $11.0M |
| Wellington Management Group LLP | 0.00% | Reduce -26.5% | 393,477 | $10.6M |
| Point72 Asset Management | 0.03% | Reduce -39.4% | 376,662 | $10.2M |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 2.10% | Reduce -12.3% | 376,496 | $10.2M |
| Susquehanna International Group, LLP | 0.02% | Add +1151.9% | 368,935 | $10.0M |
| Stempoint Capital LP | 2.95% | Add +134.5% | 342,062 | $9.2M |
| Qube Research & Technologies Ltd | 0.01% | Add +32.2% | 303,194 | $8.2M |
| Northern Trust Corp. | 0.00% | Reduce -3.1% | 299,219 | $8.1M |
| Ensign Peak Advisors, Inc | 0.02% | Add +107.1% | 294,750 | $8.0M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -24.7% | 286,278 | $7.7M |
| Morgan Stanley | 0.00% | Add +29.6% | 282,427 | $7.6M |
| Readystate Asset Management LP | 0.68% | Reduce -18.6% | 276,560 | $7.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.2% | 273,643 | $7.4M |
| Victory Capital Management Inc. | 0.01% | Add +9.6% | 265,651 | $7.2M |
| Ameriprise Financial Inc. | 0.00% | Add +1652.7% | 261,262 | $7.1M |
| Invesco Ltd. | 0.00% | Reduce -9.3% | 258,108 | $7.0M |
| Avidity Partners Management LP | 1.44% | Reduce -65.2% | 258,000 | $7.0M |
| Aberdeen Group plc | 0.01% | Add +250.8% | 224,788 | $6.1M |
| Schroder Investment Management Group | 0.01% | Add +22.6% | 192,372 | $5.6M |
| Rock Springs Capital Management LP | 0.32% | No change | 204,466 | $5.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +12.5% | 186,394 | $5.0M |
| Skandinaviska Enskilda Banken AB (publ) | 0.02% | Reduce -13.3% | 177,820 | $4.8M |
| Tudor Investment Corporation | 0.04% | New | 174,350 | $4.7M |
| Trexquant Investment LP | 0.05% | Add +156.6% | 168,972 | $4.6M |
| Russell Investments Group, Ltd. | 0.01% | Add +15117.4% | 153,848 | $4.2M |
| ADAR1 Capital Management, LLC | 0.82% | Add +388.0% | 153,767 | $4.2M |
| Tang Capital Management LLC | 0.22% | Add +200.0% | 150,000 | $4.0M |
| Rhenman & Partners Asset Management AB | 0.44% | Reduce -16.7% | 141,627 | $3.8M |
| JPMorgan Chase & Co. | 0.00% | Reduce -29.4% | 135,308 | $3.7M |
| Ikarian Capital, LLC | 1.14% | Add +73.6% | 129,691 | $3.5M |
| Sphera Funds Management LTD. | 0.84% | Add +84.2% | 125,840 | $3.4M |
| Nuveen, LLC | 0.00% | — | 123,679 | $3.3M |
| First Trust Advisors LP | 0.00% | Reduce -10.6% | 114,502 | $3.1M |
| Hudson Bay Capital Management LP | 0.02% | Add +266.7% | 110,000 | $3.0M |
| Deutsche Bank AG | 0.00% | Add +7.2% | 99,691 | $2.7M |
| Jump Financial, LLC | 0.04% | New | 94,030 | $2.5M |
| Bank of New York Mellon Corp | 0.00% | Add +13.3% | 89,370 | $2.4M |
| Millennium Management | 0.00% | Reduce -29.1% | 82,273 | $2.2M |
| Ally Bridge Group (NY) LLC | 1.98% | Reduce -10.0% | 81,292 | $2.2M |
| Swiss National Bank | 0.00% | No change | 79,100 | $2.1M |
| Springhill Fund Asset Management (HK) Co Ltd | 10.16% | Add +165.2% | 78,500 | $2.1M |
| Twinbeech Capital LP | 0.04% | New | 77,437 | $2.1M |
| Ratan Capital Management LP | 0.67% | Reduce -57.2% | 76,800 | $2.1M |
| Macquarie Group Ltd. | 0.00% | No change | 76,601 | $2.1M |
| Citigroup Inc. | 0.00% | Reduce -4.1% | 76,282 | $2.1M |
| Cubist Systematic Strategies, LLC | 0.03% | Add +88.0% | 75,860 | $2.0M |
| HighVista Strategies LLC | 0.78% | Add +6.9% | 74,556 | $2.0M |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 49,500 | $1.9M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +8.2% | 68,745 | $1.9M |
| E Fund Management Co., Ltd. | 0.09% | Add +6.3% | 68,644 | $1.9M |
| Barclays PLC | 0.00% | Reduce -74.3% | 67,766 | $1.8M |
| TD Asset Management Inc | 0.00% | Reduce -16.7% | 65,636 | $1.8M |
| Aquatic Capital Management LLC | 0.04% | Add +914.8% | 62,469 | $1.7M |
| Lazard Asset Management LLC | 0.00% | Reduce -26.1% | 60,580 | $1.6M |
| Alliancebernstein L.P. | 0.00% | Add +114.8% | 59,376 | $1.6M |
| Squarepoint Ops LLC | 0.00% | Add +39.5% | 57,448 | $1.6M |
| Rafferty Asset Management, LLC | 0.01% | Add +7.9% | 56,279 | $1.5M |
| Quinn Opportunity Partners LLC | 0.10% | Add +159.5% | 51,893 | $1.4M |
| State of Wisconsin Investment Board | 0.00% | Add +25.1% | 50,965 | $1.4M |
| Gilder Gagnon Howe & Co. LLC | 0.02% | Reduce -4.3% | 50,106 | $1.4M |
| Farallon Capital Management, L.L.C. | 0.01% | No change | 48,000 | $1.3M |
| Atle Fund Management AB | 0.56% | Add +18.3% | 46,808 | $1.3M |
| Tema ETFs LLC | 0.37% | Add +779.5% | 45,937 | $1.2M |
| NEOS Investment Management LLC | 0.02% | Add +779.5% | 45,937 | $1.2M |
| Dark Forest Capital Management LP | 0.06% | New | 44,672 | $1.2M |
| Boothbay Fund Management, LLC | 0.04% | Add +66.0% | 44,658 | $1.2M |
| Caption Management, LLC | 0.05% | Reduce -8.4% | 44,443 | $1.2M |
| Rhumbline Advisers | 0.00% | Add +11.8% | 42,650 | $1.2M |
| Legal & General Group Plc | 0.00% | Add +22.5% | 42,298 | $1.1M |
| Magnetar Financial LLC | 0.02% | Add +204.2% | 41,055 | $1.1M |
| Algert Global LLC | 0.03% | Reduce -37.4% | 40,660 | $1.1M |
| Zacks Investment Management | 0.01% | Reduce -0.1% | 38,122 | $1.0M |
| Artia Global Partners LP | 0.30% | Reduce -76.6% | 38,100 | $1.0M |
| Nicholas Investment Partners, LP | 0.12% | Reduce -26.3% | 37,562 | $1.0M |
"% of holder's portfolio" is JANX's weight in each manager's 13F, not the share of Janux Therapeutics Inc. the manager owns.