Janux TherapeuticsJANX
13F holders, Q1 2026 (March 31)190holders +14
40new positions
28sold out
5famous investors
$13.89avg. 13F price*
At the end of Q1 2026, 190 institutions reported holding Janux Therapeutics Inc. (JANX) in their 13F filings, up 14 from Q4 2025. 40 opened new positions and 28 sold out. The largest holders were Ra Capital Management, L.P. ($155.5M), BlackRock, Inc. ($75.5M) and Janus Henderson Group PLC ($58.3M). 5 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium 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 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 40 | $44.8M |
| Exits | 28 | $36.8M |
All 13F filers, Q4 2025 → Q1 2026: 9,859,974 shares bought and 12,923,603 shares sold, net −3,063,629 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 190 holders
| Ra Capital Management, L.P. | 1.65% | No change | 11,189,693 | $155.5M |
| BlackRock, Inc. | 0.00% | Add +33.2% | 5,433,233 | $75.5M |
| Janus Henderson Group PLC | 0.03% | Reduce -21.6% | 4,196,409 | $58.3M |
| Prosight Management, LP | 8.09% | Add +48.4% | 3,550,000 | $49.3M |
| FMR LLC | 0.00% | Reduce -27.8% | 2,535,724 | $35.2M |
| State Street Corp. | 0.00% | Reduce -36.1% | 2,464,017 | $34.2M |
| Vanguard Capital Management LLC | 0.00% | — | 1,811,365 | $25.2M |
| TCG Crossover Management, LLC | 0.71% | No change | 1,789,617 | $24.9M |
| Alyeska Investment Group, L.P. | 0.06% | Add +23.1% | 1,601,089 | $22.3M |
| Wellington Management Group LLP | 0.00% | Reduce -0.8% | 1,597,650 | $22.2M |
| Vanguard Portfolio Management LLC | 0.00% | — | 1,290,256 | $17.9M |
| Deep Track Capital, LP | 0.34% | Add +1225.3% | 1,187,290 | $16.5M |
| Point72 Asset Management | 0.03% | Add +20.2% | 1,156,140 | $16.1M |
| Geode Capital Management, LLC | 0.00% | Add +3.0% | 1,146,724 | $15.9M |
| Balyasny Asset Management L.P. | 0.03% | Add +23.1% | 1,090,147 | $15.2M |
| Logos Global Management LP | 0.72% | No change | 1,000,000 | $13.9M |
| Orbimed Advisors LLC | 0.31% | Reduce -49.7% | 983,600 | $13.7M |
| Nantahala Capital Management, LLC | 0.71% | New | 809,914 | $11.3M |
| Bank of America Corp. | 0.00% | Add +8.6% | 801,646 | $11.1M |
| Irenic Capital Management LP | 0.97% | New | 765,804 | $10.6M |
| Woodline Partners LP | 0.04% | Reduce -28.1% | 738,032 | $10.3M |
| Morgan Stanley | 0.00% | Add +13.8% | 703,940 | $9.8M |
| Squarepoint Ops LLC | 0.02% | Add +54.5% | 604,000 | $8.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -43.9% | 602,013 | $8.4M |
| Tang Capital Management LLC | 0.35% | New | 500,000 | $7.0M |
| Algert Global LLC | 0.09% | Add +141.8% | 443,397 | $6.2M |
| Millennium Management | 0.00% | Add +33.5% | 386,810 | $5.4M |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 0.44% | No change | 376,496 | $5.2M |
| Rock Springs Capital Management LP | 0.30% | Add +2.3% | 367,009 | $5.1M |
| HRT Financial LP | 0.01% | Add +477.1% | 366,699 | $5.1M |
| Northern Trust Corp. | 0.00% | Add +6.4% | 362,180 | $5.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -9.3% | 354,328 | $4.9M |
| Citadel Advisors | 0.00% | Reduce -68.1% | 352,177 | $4.9M |
| Man Group plc | 0.01% | Add +431.7% | 342,986 | $4.8M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 313,648 | $4.4M |
| ADAR1 Capital Management, LLC | 0.25% | Add +21.6% | 298,546 | $4.1M |
| Jane Street Group, LLC | 0.00% | Reduce -53.4% | 251,740 | $3.5M |
| Jump Financial, LLC | 0.05% | Add +129.4% | 221,800 | $3.1M |
| UBS Group AG | 0.00% | Reduce -62.8% | 219,806 | $3.1M |
| JPMorgan Chase & Co. | 0.00% | Add +34.5% | 229,268 | $3.0M |
| Qube Research & Technologies Ltd | 0.00% | Reduce -8.7% | 197,145 | $2.7M |
| Schroder Investment Management Group | 0.00% | Reduce -26.9% | 195,160 | $2.5M |
| Allspring Global Investments Holdings, LLC | 0.00% | New | 168,976 | $2.5M |
| BML Capital Management, LLC | 1.39% | New | 154,961 | $2.2M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | New | 139,967 | $1.9M |
| Walleye Capital LLC | 0.01% | Reduce -59.6% | 130,618 | $1.8M |
| Rangeley Capital, LLC | 1.85% | Add +382.0% | 122,500 | $1.7M |
| Bank of New York Mellon Corp | 0.00% | Reduce -1.8% | 119,826 | $1.7M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | New | 119,376 | $1.7M |
| Susquehanna International Group, LLP | 0.00% | Add +237.9% | 119,055 | $1.7M |
| Two Sigma Investments, LP | 0.00% | Reduce -75.3% | 116,099 | $1.6M |
| Capital Fund Management S.A. | 0.01% | New | 115,867 | $1.6M |
| ExodusPoint Capital Management, LP | 0.02% | Reduce -29.1% | 114,572 | $1.6M |
| Hudson Bay Capital Management LP | 0.01% | No change | 110,000 | $1.5M |
| Readystate Asset Management LP | 0.16% | Reduce -87.7% | 109,425 | $1.5M |
| BNP Paribas Financial Markets | 0.00% | Add +2565.2% | 105,300 | $1.5M |
| D. E. Shaw & Co. | 0.00% | Add +200.8% | 98,395 | $1.4M |
| Nuveen, LLC | 0.00% | Add +0.7% | 97,120 | $1.3M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -56.9% | 96,630 | $1.3M |
| Aquatic Capital Management LLC | 0.04% | Add +79.3% | 93,974 | $1.3M |
| Weiss Asset Management LP | 0.03% | New | 93,144 | $1.3M |
| Franklin Resources Inc. | 0.00% | Reduce -76.6% | 90,101 | $1.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +16.2% | 87,757 | $1.2M |
| Swiss National Bank | 0.00% | No change | 77,100 | $1.1M |
| Nomura Asset Management International Inc. | 0.00% | No change | 76,601 | $1.1M |
| Rafferty Asset Management, LLC | 0.00% | Reduce -56.8% | 75,732 | $1.1M |
| WINTON GROUP Ltd | 0.03% | Add +115.4% | 68,500 | $952K |
| Congress Asset Management Co. | 0.01% | Add +16.6% | 66,867 | $929K |
| Headlands Technologies LLC | 0.10% | Add +9.1% | 61,633 | $857K |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -92.1% | 58,800 | $818K |
| Barclays PLC | 0.00% | Reduce -74.7% | 55,988 | $778K |
| Federated Hermes, Inc. | 0.00% | Add +355.5% | 54,200 | $753K |
| Rhumbline Advisers | 0.00% | Add +0.5% | 52,637 | $732K |
| Engineers Gate Manager LP | 0.01% | Add +294.2% | 51,821 | $720K |
| Raiffeisen Bank International AG | 0.01% | Add +19.6% | 55,000 | $717K |
| Tema ETFs LLC | 0.05% | Add +38.0% | 51,189 | $712K |
| Tidal Investments LLC | 0.00% | New | 51,189 | $712K |
| HSBC Holdings PLC | 0.00% | New | 51,263 | $711K |
| Gsa Capital Partners LLP | 0.04% | New | 50,351 | $700K |
| HighVista Strategies LLC | 0.19% | Add +19.2% | 49,383 | $686K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 49,500 | $656K |
| Invesco Ltd. | 0.00% | Add +65.7% | 46,923 | $652K |
| Russell Investments Group, Ltd. | 0.00% | Add +103.9% | 42,938 | $597K |
| XTX Topco Ltd | 0.01% | Reduce -73.5% | 42,814 | $595K |
| Nano Cap New Millennium Growth Fund L P | 0.51% | Add +1480.0% | 39,500 | $549K |
| Teachers Retirement System of the State of Kentucky | 0.00% | No change | 38,875 | $540K |
| Martingale Asset Management L P | 0.01% | Add +237.9% | 37,984 | $528K |
| California State Teachers Retirement System | 0.00% | Reduce -0.8% | 37,001 | $514K |
| Deutsche Bank AG | 0.00% | Add +13.8% | 36,620 | $509K |
| Alliancebernstein L.P. | 0.00% | No change | 35,590 | $491K |
| Creative Planning | 0.00% | New | 35,208 | $489K |
| Profund Advisors LLC | 0.02% | Reduce -47.2% | 33,776 | $469K |
| Legal & General Group Plc | 0.00% | Reduce -23.2% | 33,379 | $464K |
| SG Americas Securities, LLC | 0.00% | Reduce -60.5% | 31,533 | $438K |
| FNY Investment Advisers, LLC | 0.19% | Add +198.2% | 30,710 | $426K |
| American Century Companies Inc. | 0.00% | Add +9.1% | 30,215 | $420K |
| Tudor Investment Corporation | 0.00% | Reduce -62.5% | 29,689 | $413K |
| Quantinno Capital Management LP | 0.00% | Add +7.6% | 26,064 | $362K |
| MetLife Investment Management, LLC | 0.00% | Add +9.0% | 26,031 | $362K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -15.9% | 25,364 | $348K |
"% of holder's portfolio" is JANX's weight in each manager's 13F, not the share of Janux Therapeutics Inc. the manager owns.