Who owns Janux Therapeutics, Inc.?
Institutional ownership of JANX from SEC Form 13F filings across 136 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
136
13F holders
$536.0M
value, 2026 filers
58.6%
of shares outstanding (35.7M sh)
22
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of JANX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 6.1M | $94.2M | 0.0% | 10.1% | +12.9% |
| 2 | FMR LLC | 2.4M | $37.1M | 0.0% | 4% | -4.8% |
| 3 | FEDERATED HERMES, INC. | 2.4M | $36.1M | 0.1% | 3.9% | +4241.2% |
| 4 | Point72 Asset Management, L.P. | 2.0M | $30.6M | 0.0% | 3.3% | +72.5% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.9M | $28.5M | 0.0% | 3% | -48.7% |
| 6 | TCG Crossover Management, LLC | 1.8M | $27.5M | 0.7% | 2.9% | 0.0% |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | 1.5M | $23.2M | 0.0% | 2.5% | -5.7% |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.3M | $20.4M | 0.0% | 2.2% | +3.1% |
| 9 | TWO SIGMA INVESTMENTS, LP | 1.2M | $18.5M | 0.0% | 2% | +939.8% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $18.5M | 0.0% | 2% | +5.0% |
| 11 | CITADEL ADVISORS LLC | 1.2M | $18.4M | 0.0% | 2% | +240.9% |
| 12 | D. E. Shaw & Co., Inc. | 1.1M | $16.8M | 0.0% | 1.8% | +1014.4% |
| 13 | GOLDMAN SACHS GROUP INC | 952,675 | $14.6M | 0.0% | 1.6% | +58.2% |
| 14 | BANK OF AMERICA CORP /DE/ | 910,460 | $14.0M | 0.0% | 1.5% | +13.6% |
| 15 | MORGAN STANLEY | 836,966 | $12.9M | 0.0% | 1.4% | +18.9% |
| 16 | Qube Research & Technologies Ltd | 702,057 | $10.8M | 0.0% | 1.2% | +256.1% |
| 17 | Squarepoint Ops LLC | 532,321 | $8.2M | 0.0% | 0.9% | -11.9% |
| 18 | MILLENNIUM MANAGEMENT LLC | 504,544 | $7.7M | 0.0% | 0.8% | +30.4% |
| 19 | HRT FINANCIAL LP | 491,001 | $7,541 | 0.0% | 0.8% | +33.9% |
| 20 | NORTHERN TRUST CORP | 398,366 | $6.1M | 0.0% | 0.7% | +10.0% |
| 21 | JANE STREET GROUP, LLC | 391,991 | $6.0M | 0.0% | 0.6% | +55.7% |
| 22 | Woodline Partners LP | 370,032 | $5.7M | 0.0% | 0.6% | -74.9% |
| 23 | Sixth Street Partners Management Company, L.P.NEW | 369,191 | $5.7M | 1.0% | 0.6% | new |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 369,191 | $5.7M | 0.0% | 0.6% | +4.2% |
| 25 | Jump Financial, LLC | 361,665 | $5.6M | 0.0% | 0.6% | +63.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.