Quick Takeaways
- RP Investment Advisors LP filed SCHEDULE 13G for 1RT ACQUISITION CORP. Class A ordinary shares, par value $0.0001 per share (ONCH).
- Disclosed ownership: 5%.
- Date of event: 24 Feb 2026.
RP Investment Advisors LP - 24 Feb 2026 SCHEDULE 13G Report for 1RT ACQUISITION CORP. Class A ordinary shares, par value $0.0001 per share (ONCH)
- Filing Manager
- RP Investment Advisors LP
- Reporting Manager
- RP Investment Advisors LP
- Symbol
- ONCH
- Shares outstanding
- 17,310,000 shares
- Disclosed Ownership
- 865,500 shares
- Ownership
- 5%
- Form type
- SCHEDULE 13G
- Filing time
- 03 Mar 2026, 12:02:08 UTC
- Date of event
- 24 Feb 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"RP Investment Advisors LP disclosed 5% ownership in 1RT ACQUISITION CORP. Class A ordinary shares, par value $0.0001 per share (ONCH) on 24 Feb 2026."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 03 Mar 2026, 12:02.
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 (5)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| RP Investment Advisors LP | 5% | 865,500 | 0 | 865,500 | /s/ Richard Pilosof | Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc. | |
| RP Select Opportunities Master Fund Ltd. | 1.9% | 320,783 | 0 | 320,783 | /s/ Richard Pilosof | Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc. | |
| RP Debt Opportunities Fund Ltd. | 1.1% | 194,886 | 0 | 194,886 | /s/ Richard Pilosof | Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc. | |
| RP Alternative Global Bond Fund | 1.5% | 264,822 | 0 | 264,822 | /s/ Richard Pilosof | Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc. | |
| RP Alternative Credit Opportunities Fund | 0.5% | 85,009 | 0 | 85,009 | /s/ Richard Pilosof | Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc. |