Form
SCHEDULE 13G/A
Passive or exempt beneficial ownership filing.
DUMAC, INC. - 31 Dec 2025 SCHEDULE 13G/A Report for Rigel Resource Acquisition Corp. Class A Ordinary Shares, par value $0.0001 per share (RRAC)
- Large-stake signal
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Ownership
0%Beneficial ownership of this reported class.
Shares
0 sharesShares beneficially owned as disclosed.
Event date
31 Dec 2025Date tied to the ownership event or amendment.
Accepted by SEC
05 Jan 2026EDGAR 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
- 0%
- Symbol
- RRAC
- SEC form
- SCHEDULE 13G/A
- Accepted by SEC
- 05 Jan 2026, 13:06:29 UTC
- Event date
- 31 Dec 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.
1 source field
Source evidence
Original filing metadata and source links for verification.
4 source fields
Key filing fact
DUMAC, INC. disclosed 0% ownership in Rigel Resource Acquisition Corp. Class A Ordinary Shares, par value $0.0001 per share (RRAC) on 31 Dec 2025.
Key facts
- DUMAC, INC. filed SCHEDULE 13G/A for Rigel Resource Acquisition Corp. Class A Ordinary Shares, par value $0.0001 per share (RRAC).
- Disclosed ownership: 0%.
- Date of event: 31 Dec 2025.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 05 Jan 2026, 13:06.
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 (7)
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 |
|---|---|---|---|---|---|---|---|
| DUMAC, Inc. | 0% | 0 | 0 | 0 | /s/ Robert E. McGrail | Robert E. McGrail / Secretary | |
| Duke University | 0% | 0 | 0 | 0 | /s/ Robert E. McGrail | Robert E. McGrail / Authorized Signatory | |
| The Duke Endowment | 0% | 0 | 0 | 0 | /s/ Robert E. McGrail | Robert E. McGrail / Authorized Signatory | |
| Employees' Retirement Plan of Duke University | 0% | 0 | 0 | 0 | /s/ Robert E. McGrail | Robert E. McGrail / Authorized Signatory | |
| Gothic Corporation | 0% | 0 | 0 | 0 | /s/ Robert E. McGrail | Robert E. McGrail / Authorized Signatory | |
| Duke University Health System, Inc. | 0% | 0 | 0 | 0 | /s/ Robert E. McGrail | Robert E. McGrail / Authorized Signatory | |
| Gothic HSP Corporation | 0% | 0 | 0 | 0 | /s/ Robert E. McGrail | Robert E. McGrail / Authorized Signatory |
CIK / CUSIP context first