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.
Holders of 5% or more of JANX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Janux Therapeutics, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 13D/A | 19.90%12.0M shares | – | Jun 16, 20212 filings | Mar 10, 2025 | SEC |
| BlackRock, Inc. | 13G/A | 6.70%4.10M shares | +1.00 ppfrom 5.70% | Jul 17, 20252 filings | Jul 28, 2026 | SEC |
| Prosight Management, LP | 13G | 5.30%3.16M shares | New | Feb 6, 20261 filing | Feb 6, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
30 Schedule 13D and 13G filings on Janux Therapeutics, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20264:08 PM ET | Point72 Asset Management, L.P.and 2 others | 13G/A | 3.30%1.99M shares | −1.70 ppfrom 5.00%Below 5% | Jun 30, 2026 | SEC |
| Aug 13, 202612:42 PM ET | Janus Henderson Group PLC | 13G/A | 0.30%172.2K shares | −6.60 ppfrom 6.90%Below 5% | Jun 30, 2026 | SEC |
| Jul 28, 20264:44 PM ET | BlackRock, Inc. | 13G/A | 6.70%4.10M shares | +1.00 ppfrom 5.70% | Jun 30, 2026 | SEC |
| May 15, 202612:38 PM ET | Janus Henderson Group PLC | 13G/A | 6.90%4.20M shares | −2.00 ppfrom 8.90% | Mar 31, 2026 | SEC |
| May 12, 202611:18 AM ET | State Street Corp | 13G | 4.10%2.46M shares | −2.30 ppfrom 6.40%Below 5% | Mar 31, 2026 | SEC |
| May 6, 202611:23 AM ET | FMR LLCand 1 other | 13G/A | 4.20%2.54M shares | −1.60 ppfrom 5.80%Below 5% | Mar 31, 2026 | SEC |
| Apr 29, 20265:31 PM ET | Point72 Asset Management, L.P.and 2 others | 13G | 5.00%3.07M shares | 0.00 ppfrom 5.00% | Apr 28, 2026 | SEC |
| Apr 29, 20265:30 PM ET | Point72 Asset Management, L.P.and 2 others | 13G | 5.00%3.07M shares | New | Apr 28, 2026 | SEC |
| Feb 17, 20264:34 PM ET | Janus Henderson Group PLC | 13G/A | 8.90%5.35M shares | −1.10 ppfrom 10.00% | Dec 31, 2025 | SEC |
| Feb 9, 20266:43 AM ET | State Street Corp | 13G | 6.40%3.85M shares | New | Dec 31, 2025 | SEC |
| Feb 6, 20264:23 PM ET | Prosight Management, LPand 4 others | 13G | 5.30%3.16M shares | New | Feb 3, 2026 | SEC |
| Jan 8, 20269:09 AM ET | FMR LLCand 1 other | 13G/A | 5.80%3.51M shares | – | Dec 31, 2025 | SEC |
| Nov 7, 202512:10 PM ET | Janus Henderson Group PLC | 13G/A | 10.00%6.03M shares | +2.50 ppfrom 7.50% | Oct 31, 2025 | SEC |
| Aug 14, 20254:31 PM ET | Paradigm Biocapital Advisors LPand 3 others | 13G/A | 4.90%2.92M shares | −1.10 ppfrom 6.00%Below 5% | Jun 30, 2025 | SEC |
| Aug 14, 202511:26 AM ET | Janus Henderson Group PLC | 13G/A | 7.50%4.46M shares | −0.30 ppfrom 7.80% | Jun 30, 2025 | SEC |
| Aug 12, 20259:05 AM ET | Adage Capital Management, L.P.and 2 others | 13G/A | 4.27%2.52M shares | −1.04 ppfrom 5.31%Below 5% | Jun 30, 2025 | SEC |
| Jul 17, 20257:54 PM ET | BlackRock, Inc. | 13G | 5.70%3.35M shares | New | Jun 30, 2025 | SEC |
| May 14, 202512:25 PM ET | Janus Henderson Group PLC | 13G/A | 7.80%4.60M shares | +1.70 ppfrom 6.10% | Mar 31, 2025 | SEC |
| Mar 10, 20254:33 PM ET | Ra Capital Management, L.P.and 3 others | 13D/A | 19.90%12.0M shares | – | Mar 6, 2025 | SEC |
| Feb 14, 20254:41 PM ET | Paradigm Biocapital Advisors LPand 3 others | 13G/A | 6.00%3.52M shares | – | Dec 31, 2024 | SEC |
| Feb 14, 202511:24 AM ET | Janus Henderson Group PLC | 13G | 6.10%3.56M shares | – | Dec 31, 2024 | SEC |
| Feb 12, 20259:30 AM ET | Adage Capital Management, L.P.and 2 others | 13G | 5.31%3.06M shares | New | Dec 31, 2024 | SEC |
| Feb 14, 2022 | Janus Henderson Group PLC | 13GOld format | – | New | – | SEC |
| Feb 11, 2022 | Campbell David Alan | 13GOld format | – | New | – | SEC |
| Jan 10, 2022 | FMR LLC | 13GOld format | – | New | – | SEC |
| Dec 17, 2021 | OrbiMed Advisors LLC | 13D/AOld format | – | – | – | SEC |
| Jun 25, 2021 | Bregua Corp | 13GOld format | – | New | – | SEC |
| Jun 25, 2021 | Avalon Ventures XI, L.P. | 13DOld format | – | New | – | SEC |
| Jun 22, 2021 | OrbiMed Advisors LLC | 13DOld format | – | New | – | SEC |
| Jun 16, 2021 | Ra Capital Management, L.P. | 13DOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Janux Therapeutics, Inc. shares.
No Form 144 notices for Janux Therapeutics, Inc. are on file.