Janux Therapeutics
JANX · NASDAQ
$17.20+$0.46 (+2.75%)TodayMarket closed ·
Prev close $16.74
Who owns JANX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 54.9% of JANX’s shares.
- RA Capital Management, LP18.3%
- BlackRock Institutional Trust Company, N.A.7.2%
- Prosight Capital6.2%
- State Street Investment Management (US)4.9%
- Next 6 largest institutions18.1%
- All other shareholders45.1%
| Holder | Shares | % of shares |
|---|---|---|
| RA Capital Management, LP | 11.19M | 18.35% |
| BlackRock Institutional Trust Company, N.A. | 4.42M | 7.25% |
| Prosight Capital | 3.80M | 6.24% |
| State Street Investment Management (US) | 3.00M | 4.93% |
| Federated MDTA LLC | 2.24M | 3.67% |
| Point72 Asset Management, L.P. | 1.99M | 3.27% |
| Vanguard Capital Management, LLC | 1.86M | 3.05% |
| TCG Crossover Management, LLC | 1.79M | 2.93% |
| Alyeska Investment Group, L.P. | 1.65M | 2.70% |
| Wellington Management Company, LLP | 1.51M | 2.47% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| State Street SPDR S&P Biotech ETF | 2.04M | 3.34% |
| Federated Hermes MDT Small Cap Core Fund | 1.28M | 2.11% |
| Vanguard Total Stock Market Index Fund | 1.26M | 2.07% |
| iShares Russell 2000 ETF | 1.12M | 1.84% |
| Vanguard Extended Market Index Fund | 568.45K | 0.93% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $85.82K (2 trades) of JANX on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Campbell David Alan | Gift | 123.84K | — |
| Campbell David Alan | Option exercise | 7.00K | — |
| Campbell David Alan | Option exercise | 7.00K | $29.47K |
| Simson Jake | Award | 15.50K | — |
| Simson Jake | Award | 5.50K | — |
| Hernday Natasha | Award | 15.50K | — |
| Hernday Natasha | Award | 5.50K | — |
| Kung Winston | Award | 15.50K | — |
| Kung Winston | Award | 5.50K | — |
| Barrett Ronald W | Award | 15.50K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 5.68M
- Days to cover
- 5.86
- % of shares outstanding
- 9.32%
- Average daily volume
- 969.53K
- Change since last report
- −3.5%
Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.