Janux Therapeutics, Inc. (JANX) Holders & Ownership

Janux Therapeutics, Inc. (JANX) ownership: Entities affiliated with RA Capital Healthcare Fund, L.P. 29% · institutions 115% · index and ETF funds 4% (13F 2026-06-30). Insider activity, 90 days: 0 sales, 0 open-market buys. SEC EDGAR first-party data.

Top Institutional Holders (13F, rolled up by parent)

Source: SEC Form 13F
HolderSharesMarket Value% OutstandingReported
RA Capital Management, L.P.11189693.00$171.87M18.3%2026-06-30
BlackRock6134667.00$94.23M10.0%2026-06-30
Prosight Management, LP3804481.00$58.44M6.2%2026-06-30
Janus Henderson4196409.00$58.28M6.9%2026-06-30
Vanguard3556637.00$54.63M5.8%2026-06-30
CalSTRS782316.00$50.93M1.3%2026-06-30
State Street3004899.00$46.16M4.9%2026-06-30
FMR (Fidelity)2412825.00$37.06M3.9%2026-06-30

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Sellnull2026-07-31
Sellnull2026-07-08
Sellnull2026-07-08
Sellnull2026-06-11
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.