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
Security
1RT ACQUISITION CORP. Class A ordinary shares, par value $0.0001 per share
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

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.