0001678378-23-000003.txt : 20230721 0001678378-23-000003.hdr.sgml : 20230721 20230721164129 ACCESSION NUMBER: 0001678378-23-000003 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20230630 FILED AS OF DATE: 20230721 DATE AS OF CHANGE: 20230721 EFFECTIVENESS DATE: 20230721 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Mass General Brigham, Inc CENTRAL INDEX KEY: 0001678378 IRS NUMBER: 043230035 STATE OF INCORPORATION: MA FISCAL YEAR END: 0930 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-17485 FILM NUMBER: 231102964 BUSINESS ADDRESS: STREET 1: 101 MERRIMAC STREET STREET 2: 8TH FLOOR INVESTMENT OFFICE CITY: BOSTON STATE: MA ZIP: 02114 BUSINESS PHONE: 8572777268 MAIL ADDRESS: STREET 1: 101 MERRIMAC STREET STREET 2: 8TH FLOOR INVESTMENT OFFICE CITY: BOSTON STATE: MA ZIP: 02114 FORMER COMPANY: FORMER CONFORMED NAME: Partners HealthCare System, Inc DATE OF NAME CHANGE: 20160628 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE false true false 0001678378 XXXXXXXX 06-30-2023 06-30-2023 Mass General Brigham, Inc

101 MERRIMAC STREET 8TH FLOOR INVESTMENT OFFICE BOSTON MA 02114

13F HOLDINGS REPORT 028-17485 N William X. Kane 857-277-7268 William X. Kane Boston MA 07-21-2023 0 7 109929458 false INFORMATION TABLE 2 Jun2023EdgarFiling.xml ISHARES CORE SP 500 ETF ETF 464287200 53760203 120617 SH SOLE 0 0 0 ISHARES CORE U.S. AGGREGATE ETF ETF 464287226 32215069 328893 SH SOLE 0 0 0 COINBASE GLOBAL INC CLASS A CL A 19260Q107 9226158 128947 SH SOLE 0 0 0 ZOOMINFO TECHNOLOGIES INC COM 98980F104 1686277 66415 SH SOLE 0 0 0 SAMSARA INC CL A 79589L106 10475350 378035 SH SOLE 0 0 0 FLYWIRE CORPORATION COM 302492103 1815468 58488 SH SOLE 0 0 0 RIVIAN AUTOMOTIVE INC CL A 76954A103 750933 45074 SH SOLE 0 0 0