Janux Therapeutics (JANX)
Engineers antibodies that stay dormant until reaching a tumor, then engage T cells.
$16.56
vs last close−0.91 (−5.23%)
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13F · 13D/G · Form 4
| Institutions | ≈ 99.75% | 60.98M shares | |
|---|---|---|---|
| 205 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 1.83% | 1.12M shares | |
| 18 holders · as of Jul 31, 2026 | |||
| Strategic holders | 14.37% | 8.78M shares | |
| 2 holders · as of May 15, 2026 | |||
| Adds to | 115.95% | ||
61.14M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 115.95%; nothing is left for Other.
13F, as of Jun 30, 2026
205 holders · 60.98M shares · 40 new positions · 122 increased · 46 reduced · 33 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Ra Capital Management, L.P. | 11.19M | 18.30% | 0 | Aug 14, 2026 |
| BlackRock, Inc. | 6.13M | 10.03% | +701.4K | Aug 7, 2026 |
| Prosight Management, LP | 3.80M | 6.22% | +254.5K | Aug 14, 2026 |
| State Street Corp | 3.00M | 4.92% | +540.9K | Aug 7, 2026 |
| FMR LLC | 2.41M | 3.95% | −122.9K | Aug 13, 2026 |
| Federated Hermes, Inc. | 2.35M | 3.85% | +2.30M | Aug 12, 2026 |
| Point72 Asset Management, L.P. | 1.99M | 3.26% | +837.7K | Aug 14, 2026 |
| Vanguard Capital Management LLC | 1.86M | 3.04% | +46.0K | Aug 13, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| RA Capital Management, L.P.incl. RA Capital Healthcare Fund, L.P., Peter Kolchinsky +1 more | 19.90% | 11.97M | 13D | Mar 10, 2025 |
| Janus Henderson Group PLC | 6.90% | 4.20M | 13G | May 15, 2026 |
| BlackRock, Inc. | 5.70% | 3.35M | 13G | Jul 17, 2025 |
| Prosight Management, LP | 5.20% | 3.15M | 13G | Feb 6, 2026 |
| Point72 Asset Management, L.P. | 5.00% | 3.07M | 13G | Apr 29, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jun 2, 2026 | Janeen Noel Doyleofficer: Chief Corp. & Bus. Dev. Ofcr | Sale | 4,059 | $14.03 | 75,941 |
| May 11, 2026 | Maria Dobekofficer: Vice President, Accounting | Sale | 2,038 | $14.17 | 32,270 |
| Jan 2, 2026 | Maria Dobekofficer: Vice President, Accounting | Sale | 1,462 | $13.73 | 15,373 |
| Jan 2, 2026 | Zachariah McIverofficer: Chief Medical Officer | Sale | 2,714 | $13.73 | 23,286 |
| Jan 2, 2026 | Charles M. Winterofficer: Chief Technical Officer | Sale | 2,401 | $13.73 | 77,721 |
| Jan 2, 2026 | David Alan Campbelldirector, officer: President and CEO | Sale | 8,072 | $13.73 | 284,982 |
| Jan 2, 2026 | Thomas DiRaimondoofficer: Chief Scientific Officer | Sale | 2,505 | $13.73 | 124,425 |
| Jan 2, 2026 | Andrew Hollman Meyerofficer: Chief Business Officer | Sale | 1,879 | $13.73 | 83,095 |
| Dec 1, 2025 | Andrew Hollman Meyerofficer: Chief Business Officer | Sale · 2 lots | 3,333 | $32.98 | 84,974 |
| Nov 14, 2025 | Andrew Hollman Meyerofficer: Chief Business Officer | Sale | 3,333 | $30.00 | 84,974 |
House and Senate disclosures
Not reported.