Form
SCHEDULE 13D
Active or control-oriented beneficial ownership filing.
Research Alliance Holdings III LLC /Cayman - 21 May 2026 SCHEDULE 13D Report for Research Alliance Corporation III Class A Ordinary Shares, par value $0.0001 per share
- Filing manager
- Research Alliance Holdings III LLC /Cayman
- Reporting owner
- Research Alliance Holdings III LLC
- Beneficially owned shares
- 1,520,269 shares
- Large-stake signal
-
Ownership
15%Beneficial ownership of this reported class.
Shares
1,520,269 sharesShares beneficially owned as disclosed.
Event date
21 May 2026Date tied to the ownership event or amendment.
Accepted by SEC
29 May 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
- 15%
- Shares outstanding
- 10,341,966 shares
- SEC form
- SCHEDULE 13D
- Accepted by SEC
- 29 May 2026, 17:28:36 UTC
- Event date
- 21 May 2026
- 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
Research Alliance Holdings III LLC /Cayman disclosed 15% ownership in Research Alliance Corporation III Class A Ordinary Shares, par value $0.0001 per share on 21 May 2026.
Key facts
- Research Alliance Holdings III LLC /Cayman filed SCHEDULE 13D for Research Alliance Corporation III Class A Ordinary Shares, par value $0.0001 per share.
- Disclosed ownership: 15%.
- Date of event: 21 May 2026.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 29 May 2026, 17:28.
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 (2)
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 |
|---|---|---|---|---|---|---|---|
| Research Alliance Holdings III LLC | 15% | 1,520,269 | 0 | 1,520,269 | /s/ Matthew Hammond | By Matthew Hammond, Manager | 0002135648 |
| Matthew Hammond | 15% | 1,520,269 | 0 | 1,520,269 | /s/ Matthew Hammond | Matthew Hammond | 0001817056 |
CIK / CUSIP context first