X0708 D/A LIVE 0002070170 Harbour Co-Investment 6A, LP UGLAND HOUSE BOX 309 GRAND CAYMAN E9 CAYMAN ISLANDS KY1-1104 44 203 829 9329 CAYMAN ISLANDS None None Limited Partnership true 2025 - Harbour Advisors Cayman Limited UGLAND HOUSE PO BOX 309 Grand Cayman E9 CAYMAN ISLANDS KY1-1104 Executive Officer Promoter Investment Advisor - Harbour Facilities GP Limited UGLAND HOUSE PO BOX 309 Grand Cayman E9 CAYMAN ISLANDS KY1-1104 Executive Officer Promoter General Partner Pooled Investment Fund Private Equity Fund false Decline to Disclose 06b 3C 3C.7 true 0000919574-25-003502 2025-05-23 true true true false 0 Indefinite 18255400 Indefinite Total Amount Sold above represents 13,500,000 GBP at the GBP to USD exchange rate as of 3 June 2025. The total amount sold in this Form D are lower than the totals reported in the 2025, to account for administrative reporting errors in the 2025 Form D. false 9 0 true 0 true 0 true false Harbour Co-Investment 6A, LP /s/ Andrew Galloway Andrew Galloway Director of the General Partner 2026-06-08