0002150457-26-000001.txt : 20260917 0002150457-26-000001.hdr.sgml : 20260917 20260917131825 ACCESSION NUMBER: 0002150457-26-000001 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: 20260917 DATE AS OF CHANGE: 20260917 EFFECTIVENESS DATE: 20260917 FILER: COMPANY DATA: COMPANY CONFORMED NAME: 18W 2026 Opportunity Fund I, L.P. CENTRAL INDEX KEY: 0002150457 ORGANIZATION NAME: EIN: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-597925 FILM NUMBER: 261386144 BUSINESS ADDRESS: STREET 1: 1 FERRY BUILDING, SUITE 201 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 BUSINESS PHONE: 206-578-3309 MAIL ADDRESS: STREET 1: 1 FERRY BUILDING, SUITE 201 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 D 1 primary_doc.xml X0708 D LIVE 0002150457 18W 2026 Opportunity Fund I, L.P. 1 FERRY BUILDING, SUITE 201 SAN FRANCISCO CA CALIFORNIA 94111 206-578-3309 DELAWARE None None Limited Partnership true 2026 N/A 18 West GP I, LLC 1 Ferry Building, Suite 201 San Francisco CA CALIFORNIA 94111 Director General Partner of the Issuer Zachary Greenberg 1 Ferry Building, Suite 201 San Francisco CA CALIFORNIA 94111 Director Managing Partner of the General Partner of the Issuer Adam Klotz 1 Ferry Building, Suite 201 San Francisco CA CALIFORNIA 94111 Director Managing Partner of the General Partner of the Issuer Pooled Investment Fund Venture Capital Fund false Decline to Disclose 06b 3C 3C.1 false true false true false 0 260000 0 260000 false 0 0 0 0 false 18W 2026 Opportunity Fund I, L.P. /s/ Zachary Greenberg Zachary Greenberg Managing Partner of the General Partner of the Issuer 2026-09-17