# JANUX THERAPEUTICS INC COMMON STOCK

JANUX THERAPEUTICS INC COMMON STOCK is a security (CUSIP 47103J105) tracked across SEC portfolio filings. 201 institutional managers reported $830.3M on Form 13F as of 2026-06-30; 15 registered fund positions totaling $24.2M via N-PORT as of 2026-05-31.

## Summary

- Issuer: JANUX THERAPEUTICS INC
- Class: COMMON STOCK
- CUSIP: 47103J105
- Asset category: EC
- 13F holders: 201
- 13F value: $830.3M
- 13F period: 2026-06-30
- N-PORT fund positions: 15
- N-PORT value: $24.2M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 201 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| RA CAPITAL MANAGEMENT, L.P. | Boston, MA | $155.5M | 11,189,693 |
| BlackRock, Inc. | New York, NY | $75.5M | 5,433,233 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $58.3M | 4,196,409 |
| Prosight Management, LP | DALLAS, TX | $49.3M | 3,550,000 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $40.1M | 2,906,386 |
| FMR LLC | BOSTON, MA | $35.2M | 2,535,724 |
| STATE STREET CORP | BOSTON, MA | $34.2M | 2,464,017 |
| TCG Crossover Management, LLC | PALO ALTO, CA | $24.9M | 1,789,617 |
| [Alyeska Investment Group, L.P.](https://search.stillhousedata.com/firm/155058) | CHICAGO, IL | $22.3M | 1,601,089 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $22.2M | 1,597,650 |
| Deep Track Capital, LP | GREENWICH, CT | $16.5M | 1,187,290 |
| [Point72 Asset Management, L.P.](https://search.stillhousedata.com/firm/283077) | Stamford, CT | $16.1M | 1,156,140 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $15.9M | 1,146,724 |
| [Balyasny Asset Management L.P.](https://search.stillhousedata.com/firm/138111) | Chicago, IL | $15.2M | 1,090,147 |
| [Logos Global Management LP](https://search.stillhousedata.com/firm/305162) | San Francisco, CA | $13.9M | 1,000,000 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $7.5M | 0.92% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $5.9M | 5.82% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $4.7M | 2.15% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $3.2M | 1.83% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $1.0M | 2.12% |
| [BlackRock Advantage SMID Cap Fund, Inc.](https://search.stillhousedata.com/fund/S000002323) | BlackRock Advantage SMID Cap Fund, Inc. | $450K | 5.95% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $326K | 0.06% |
| [T. Rowe Price Health Sciences Fund, Inc.](https://search.stillhousedata.com/fund/S000002088) | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $314K | 0.29% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $277K | 0.09% |
| [Fidelity Disruptive Medicine ETF](https://search.stillhousedata.com/fund/S000079688) | Fidelity Covington Trust | $171K | 41.85% |
| [Victory RS Small Cap Growth Equity VIP Series](https://search.stillhousedata.com/fund/S000053585) | Victory Variable Insurance Funds | $153K | 28.47% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $84K | 2.00% |
| [T. Rowe Price Health Sciences Portfolio](https://search.stillhousedata.com/fund/S000002083) | T. ROWE PRICE EQUITY SERIES, INC. | $31K | 0.46% |
| [Humankind U.S. Stock ETF](https://search.stillhousedata.com/fund/S000069946) | Humankind Benefit Corp | $15K | 0.90% |
| [TIAA Separate Account VA-1 - Stock Index Account](https://search.stillhousedata.com/fund/S000005098) | TIAA Separate Account VA-1 | $12K | 0.09% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/47103J105.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.