Quick Takeaways
- RA CAPITAL MANAGEMENT, L.P. filed SCHEDULE 13G for DISC MEDICINE, INC. Common Stock, $0.0001 par value per share (IRON).
- Disclosed ownership: 5.9%.
- Date of event: 30 Dec 2025.
RA CAPITAL MANAGEMENT, L.P. - 30 Dec 2025 SCHEDULE 13G Report for DISC MEDICINE, INC. Common Stock, $0.0001 par value per share (IRON)
- Filing Manager
- RA CAPITAL MANAGEMENT, L.P.
- Reporting Manager
- RA Capital Management, L.P.
- Symbol
- IRON
- Shares outstanding
- 37,778,373 shares
- Disclosed Ownership
- 2,228,924 shares
- Ownership
- 5.9%
- Form type
- SCHEDULE 13G
- Filing time
- 07 Jan 2026, 16:53:14 UTC
- Date of event
- 30 Dec 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"RA CAPITAL MANAGEMENT, L.P. disclosed 5.9% ownership in DISC MEDICINE, INC. Common Stock, $0.0001 par value per share (IRON) on 30 Dec 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 07 Jan 2026, 16:53.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (4)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| RA Capital Management, L.P. | 5.9% | 2,228,924 | 0 | 2,228,924 | /s/ Peter Kolchinsky | By Peter Kolchinsky, Authorized Signatory | |
| Peter Kolchinsky | 5.9% | 2,228,924 | 0 | 2,228,924 | /s/ Peter Kolchinsky | Peter Kolchinsky | |
| Rajeev Shah | 5.9% | 2,228,924 | 0 | 2,228,924 | /s/ Rajeev Shah | Rajeev Shah | |
| RA Capital Healthcare Fund, L.P. | 5.9% | 2,228,924 | 0 | 2,228,924 | /s/ Peter Kolchinsky | By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager |