0002107041-26-000001.txt : 20260209 0002107041-26-000001.hdr.sgml : 20260209 20260206190555 ACCESSION NUMBER: 0002107041-26-000001 CONFORMED SUBMISSION TYPE: D PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: Rule 506(b) provides a "safer harbor" for a private offering ITEM INFORMATION: Investment Company Act Section 3(c) ITEM INFORMATION: Section 3(c)(1) FILED AS OF DATE: 20260209 DATE AS OF CHANGE: 20260206 EFFECTIVENESS DATE: 20260209 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Thirdbase Opportunity LP - Series ER CENTRAL INDEX KEY: 0002107041 ORGANIZATION NAME: EIN: 395129179 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-572900 FILM NUMBER: 26609245 BUSINESS ADDRESS: STREET 1: 535 W 23RD STREET STREET 2: UNIT SPH1P CITY: NEW YORK STATE: NY ZIP: 10011 BUSINESS PHONE: 7169810061 MAIL ADDRESS: STREET 1: 535 W 23RD STREET STREET 2: UNIT SPH1P CITY: NEW YORK STATE: NY ZIP: 10011 D 1 primary_doc.xml X0708 D LIVE 0002107041 Thirdbase Opportunity LP - Series ER 535 W 23RD STREET UNIT SPH1P NEW YORK NY NEW YORK 10011 7169810061 DELAWARE None None Limited Partnership true 2025 Abhinav Gupta 535 W 23rd Street Unit SPH1P New York NY NEW YORK 10011 Executive Officer Promoter Managing Member of the General Partner of the Issuer n/a Thirdbase Capital GP, LLC 535 W 23rd Street Unit SPH1P New York NY NEW YORK 10011 Promoter General Partner of the Issuer Pooled Investment Fund Private Equity Fund false Decline to Disclose 06b 3C 3C.1 false 2025-11-12 false true false 150000 44437500 44437500 0 false 15 0 0 0 false Thirdbase Opportunity LP - Series ER /s/ Abhinav Gupta Abhinav Gupta Managing Member of the General Partner of the Issuer 2026-02-06