Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
RA CAPITAL MANAGEMENT, L.P. - 06 Mar 2025 SCHEDULE 13D/A Report for JANUX THERAPEUTICS, INC. Common Stock, par value $0.001 per share (JANX)
- Filing manager
- RA CAPITAL MANAGEMENT, L.P.
- Reporting owner
- RA Capital Management, L.P.
- Beneficially owned shares
- 11,971,377 shares
- Large-stake signal
-
Ownership
20%Beneficial ownership of this reported class.
Shares
11,971,377 sharesShares beneficially owned as disclosed.
Event date
06 Mar 2025Date tied to the ownership event or amendment.
Accepted by SEC
10 Mar 2025EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 20%
- Symbol
- JANX
- Shares outstanding
- 60,157,673 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 10 Mar 2025, 16:33:42 UTC
- Event date
- 06 Mar 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
4 source fields
Key filing fact
RA CAPITAL MANAGEMENT, L.P. disclosed 20% ownership in JANUX THERAPEUTICS, INC. Common Stock, par value $0.001 per share (JANX) on 06 Mar 2025.
Key facts
- RA CAPITAL MANAGEMENT, L.P. filed SCHEDULE 13D/A for JANUX THERAPEUTICS, INC. Common Stock, par value $0.001 per share (JANX).
- Disclosed ownership: 20%.
- Date of event: 06 Mar 2025.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 10 Mar 2025, 16:33.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (4)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| RA Capital Management, L.P. | 20% | 11,971,377 | 0 | 11,971,377 | /s/ Peter Kolchinsky | By Peter Kolchinsky, Authorized Signatory | 0001346824 |
| Peter Kolchinsky | 20% | 11,971,377 | 0 | 11,971,377 | /s/ Peter Kolchinsky | Peter Kolchinsky | 0001384859 |
| Rajeev Shah | 20% | 11,971,377 | 0 | 11,971,377 | /s/ Rajeev Shah | Rajeev Shah | 0001619841 |
| RA Capital Healthcare Fund, L.P. | 18% | 10,861,013 | 0 | 10,861,013 | /s/ Peter Kolchinsky | By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager | 0001315082 |
CIK / CUSIP context first