0002062357-26-000405.txt : 20260909 0002062357-26-000405.hdr.sgml : 20260909 20260909112833 ACCESSION NUMBER: 0002062357-26-000405 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)(7) FILED AS OF DATE: 20260909 DATE AS OF CHANGE: 20260909 EFFECTIVENESS DATE: 20260909 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Third Harbor Partners Fund I (Blocked) L.P. CENTRAL INDEX KEY: 0002154041 ORGANIZATION NAME: EIN: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-596803 FILM NUMBER: 261367250 BUSINESS ADDRESS: STREET 1: 3 HARBOR ROAD CITY: COLD SPRING HARBOR STATE: NY ZIP: 11724 BUSINESS PHONE: 917-535-9360 MAIL ADDRESS: STREET 1: 3 HARBOR ROAD CITY: COLD SPRING HARBOR STATE: NY ZIP: 11724 D 1 primary_doc.xml X0708 D LIVE 0002154041 Third Harbor Partners Fund I (Blocked) L.P. 3 HARBOR ROAD COLD SPRING HARBOR NY NEW YORK 11724 917-535-9360 DELAWARE None None Limited Partnership true 2026 NA Third Harbor Partners Fund I GP L.P. 3 Harbor Road Cold Spring Harbor NY NEW YORK 11724 Promoter General Partner of the Issuer. Dustin Gerard Smith 3 Harbor Road Cold Spring Harbor NY NEW YORK 11724 Executive Officer Mark Anthony Paolano 3 Harbor Road Cold Spring Harbor NY NEW YORK 11724 Executive Officer Pooled Investment Fund Private Equity Fund false Decline to Disclose 06b 3C 3C.7 false true true true false 0 None None William Blair & Company, L.L.C 000001252 THE WILLIAM BLAIR BUILDING 150 NORTH RIVERSIDE CHICAGO IL ILLINOIS 60606-1594 All States false Indefinite 0 Indefinite false 0 9250000 true 0 true The sales commissions amount represents the aggregate sales commissions in respect of the issuer and its related investment vehicles in the offering. 0 true false Third Harbor Partners Fund I (Blocked) L.P. /s/ Thomas Walker Thomas Walker Chief Compliance Officer 2026-09-09