5 institutions reported holding $1.6M of JANUX THERAPEUTICS INC COM (JANX) in SEC 13F filings for 2026-06-30. Largest institutional holders: CONGRESS ASSET MANAGEMENT CO ($1.0M), FNY Investment Advisers, LLC ($473,000), Versant Capital Management, Inc ($40,166), GAMMA Investing LLC ($15,068), MassMutual Private Wealth & Trust, FSB ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CONGRESS ASSET MANAGEMENT CO | $1.0M | 67,610 | Added |
| 2 | FNY Investment Advisers, LLC | $473,000 | 30,850 | Added |
| 3 | Versant Capital Management, Inc | $40,166 | 2,615 | Added |
| 4 | GAMMA Investing LLC | $15,068 | 981 | Added |
| 5 | MassMutual Private Wealth & Trust, FSB | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30