0001012975-24-000504.txt : 20241129 0001012975-24-000504.hdr.sgml : 20241129 20241129140207 ACCESSION NUMBER: 0001012975-24-000504 CONFORMED SUBMISSION TYPE: D/A PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: 06c ITEM INFORMATION: Investment Company Act Section 3(c) ITEM INFORMATION: Section 3(c)(7) FILED AS OF DATE: 20241129 DATE AS OF CHANGE: 20241129 EFFECTIVENESS DATE: 20241129 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Flagship Pioneering Fund VIII, L.P. CENTRAL INDEX KEY: 0002001180 ORGANIZATION NAME: IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D/A SEC ACT: 1933 Act SEC FILE NUMBER: 021-498391 FILM NUMBER: 241515816 BUSINESS ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY STREET 2: 8TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-868-1888 MAIL ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY STREET 2: 8TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 D/A 1 primary_doc.xml X0708 D/A LIVE 0002001180 Flagship Pioneering Fund VIII, L.P. 55 CAMBRIDGE PARKWAY 8TH FLOOR CAMBRIDGE MA MASSACHUSETTS 02142 617-868-1888 DELAWARE None None Limited Partnership true 2023 N/A Flagship Pioneering Fund VIII General Partner LLC 55 Cambridge Parkway 8th Floor Cambridge MA MASSACHUSETTS 02142 Executive Officer General Partner of the Issuer. Noubar B. Afeyan, Ph.D. 55 Cambridge Parkway 8th Floor Cambridge MA MASSACHUSETTS 02142 Executive Officer CEO of the Manager of the General Partner of the Issuer. Pooled Investment Fund Venture Capital Fund false Not Applicable 06c 3C 3C.7 true 0001012975-23-000491 2023-11-30 false true false 200000 2590563688 2590563688 0 The above does not reflect an additional $1 billion sold by other side funds and sector-specific partnerships affiliated with the Manager of the General Partner at the time of the offering, bringing the total amount sold to approximately $3.6 billion. false 109 0 0 0 An affiliate of the General Partner of the Issuer will receive a fee for management services. false Flagship Pioneering Fund VIII, L.P. /s/ Charles Carelli Charles Carelli CFO of the Manager of the General Partner of the Issuer 2024-11-29