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Disclosery

HARVARD MANAGEMENT CO INC

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13F filer, CIK 1082621, BOSTON, MA

HARVARD MANAGEMENT CO INC reported $4,263,102,872 across 19 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14. Its ten largest share positions make up 91.49% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001193125-26-352412

Period
2026-06-30
Reported value
$4.26B
Holdings
19
Top 10 weight
91.49%
New
6
Sold out
4

Largest buys vs the previous quarter

SecurityShares changeApprox. value
SPCXnew+12,935,100$2.21B
CBRSnew+1,081,283$239M
IAUnew+1,980,085$150M
NFLXnew+1,104,000$78.8M
BKNGadded+379,672$67.7M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
UNPexited-634,376-$154M
GLDreduced-405,588-$149M
GOOGLreduced-154,800-$55.3M
AVGOreduced-135,570-$51.2M
MSFTreduced-120,800-$45.1M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q2 2026

Share positions as resolved from 13F-HR 0001193125-26-352412, largest first. % of portfolio is the value over $4,263,102,872, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
SPCXSPACE EXPLORATION TECHN CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 12,935,100 shares 12,935,100$2.21B51.84%newTimeline
TSMTAIWAN SEMICONDUCTOR MANUFACQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 488,790 shares; 2024Q4: 434,790 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 211,790 shares; 2025Q4: 306,796 shares; 2026Q1: 686,796 shares; 2026Q2: 732,022 shares 732,022$350M8.2%+45,226Timeline
CBRSCEREBRAS SYSTEMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 1,081,283 shares 1,081,283$239M5.61%newTimeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: 67,500 shares; 2025Q1: not reported; 2025Q2: 1,071,100 shares; 2025Q3: 1,071,100 shares; 2025Q4: 679,845 shares; 2026Q1: 717,539 shares; 2026Q2: 982,839 shares 982,839$234M5.49%+265,300Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 1,195,012 shares; 2024Q4: 686,812 shares; 2025Q1: 718,812 shares; 2025Q2: 646,200 shares; 2025Q3: 646,200 shares; 2025Q4: 807,900 shares; 2026Q1: 616,960 shares; 2026Q2: 462,160 shares 462,160$165M3.87%-154,800Timeline
NVDANVIDIA CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 947,831 shares; 2024Q4: 788,631 shares; 2025Q1: 507,831 shares; 2025Q2: 660,831 shares; 2025Q3: 583,931 shares; 2025Q4: 410,291 shares; 2026Q1: 743,791 shares; 2026Q2: 787,721 shares 787,721$158M3.7%+43,930Timeline
IAUISHARES GOLD TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 1,980,085 shares 1,980,085$150M3.51%newTimeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: 53,300 shares; 2025Q1: 420,000 shares; 2025Q2: 623,300 shares; 2025Q3: 623,300 shares; 2025Q4: 489,678 shares; 2026Q1: 513,065 shares; 2026Q2: 392,265 shares 392,265$146M3.43%-120,800Timeline
AVGOBROADCOM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 519,500 shares; 2024Q4: 374,700 shares; 2025Q1: 321,700 shares; 2025Q2: 192,700 shares; 2025Q3: 99,900 shares; 2025Q4: 321,766 shares; 2026Q1: 473,916 shares; 2026Q2: 338,346 shares 338,346$128M3%-135,570Timeline
METAMETA PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 1,190,381 shares; 2024Q4: 1,302,881 shares; 2025Q1: 498,381 shares; 2025Q2: 163,260 shares; 2025Q3: 163,260 shares; 2025Q4: 181,765 shares; 2026Q1: 194,554 shares; 2026Q2: 214,504 shares 214,504$121M2.83%+19,950Timeline
IBITISHARES BITCOIN TRUST ETFQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 1,906,000 shares; 2025Q3: 6,813,612 shares; 2025Q4: 5,353,612 shares; 2026Q1: 3,044,612 shares; 2026Q2: 3,044,612 shares 3,044,612$101M2.38%0Timeline
NFLXNETFLIX INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 1,104,000 shares 1,104,000$78.8M1.85%newTimeline
BKNGBOOKING HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 36,900 shares; 2024Q4: 19,800 shares; 2025Q1: 37,600 shares; 2025Q2: 31,499 shares; 2025Q3: 31,499 shares; 2025Q4: 33,658 shares; 2026Q1: 34,928 shares; 2026Q2: 414,600 shares 414,600$73.9M1.73%+379,672Timeline
FRVOFERVO ENERGY COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 1,255,365 shares 1,255,365$36.7M0.86%newTimeline
LITELUMENTUM HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 27,243 shares 27,243$23.4M0.55%newTimeline
GLDSPDR GOLD TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 333,000 shares; 2025Q3: 661,391 shares; 2025Q4: 626,450 shares; 2026Q1: 464,450 shares; 2026Q2: 58,862 shares 58,862$21.7M0.51%-405,588Timeline
GENBGENERATE BIOMEDICINES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 1,111,100 shares; 2026Q2: 1,111,100 shares 1,111,100$18.7M0.44%0Timeline
TXG10X GENOMICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 170,000 shares; 2024Q4: 170,000 shares; 2025Q1: 170,000 shares; 2025Q2: 170,000 shares; 2025Q3: 170,000 shares; 2025Q4: 170,000 shares; 2026Q1: 170,000 shares; 2026Q2: 170,000 shares 170,000$6.52M0.15%0Timeline
PURECYCLE TECHNOLOGIES INCPURECYCLE TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 714,285 shares; 2024Q4: 714,285 shares; 2025Q1: 714,285 shares; 2025Q2: 714,285 shares; 2025Q3: not reported; 2025Q4: 714,285 shares; 2026Q1: 714,285 shares; 2026Q2: 714,285 shares 714,285$1.86M0.04%0

Sold out in Q2 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
UNPUNION PAC CORP634,376$154Mshares
ZZILLOW GROUP INC562,045$23.3Mshares
ZGZILLOW GROUP INC284,800$11.8Mshares
FLUTFLUTTER ENTMT PLC80,341$8.19Mshares

How Q2 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001193125-26-352412 base2026-08-14acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-HR 0001193125-26-352412 Quarter ended 2026-06-302026-08-14acceptance time not in the bulk data set
13F-HR 0001193125-26-226658 Quarter ended 2026-03-312026-05-15acceptance time not in the bulk data set
13F-HR 0001193125-26-051702 Quarter ended 2025-12-312026-02-13acceptance time not in the bulk data set
13F-HR 0001193125-25-283114 Quarter ended 2025-09-302025-11-14acceptance time not in the bulk data set
13F-HR 0000950123-25-007364 Quarter ended 2025-06-302025-08-08acceptance time not in the bulk data set
13F-HR 0000950123-25-004475 Quarter ended 2025-03-312025-05-09acceptance time not in the bulk data set
13F-HR 0000950123-25-002812 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set
13F-HR 0000950123-24-011885 Quarter ended 2024-09-302024-11-14acceptance time not in the bulk data set
13F-HR 0000950123-24-007620 Quarter ended 2024-06-302024-08-09acceptance time not in the bulk data set
13F-HR 0000950123-24-004412 Quarter ended 2024-03-312024-05-10acceptance time not in the bulk data set
13F-HR 0000950123-24-001303 Quarter ended 2023-12-312024-02-09acceptance time not in the bulk data set
13F-HR 0000950123-23-009807 Quarter ended 2023-09-302023-11-09acceptance time not in the bulk data set
13F-HR 0000950123-23-007485 Quarter ended 2023-06-302023-08-11acceptance time not in the bulk data set
13F-HR 0000950123-23-004977 Quarter ended 2023-03-312023-05-15acceptance time not in the bulk data set
13F-HR 0000950123-23-001560 Quarter ended 2022-12-312023-02-10acceptance time not in the bulk data set
13F-HR 0000950123-22-011463 Quarter ended 2022-09-302022-11-10acceptance time not in the bulk data set
13F-HR 0000950123-22-008784 Quarter ended 2022-06-302022-08-12acceptance time not in the bulk data set
13F-HR 0000950123-22-005751 Quarter ended 2022-03-312022-05-13acceptance time not in the bulk data set
13F-HR 0000950123-22-002102 Quarter ended 2021-12-312022-02-11acceptance time not in the bulk data set
13F-HR 0000950123-21-014966 Quarter ended 2021-09-302021-11-12acceptance time not in the bulk data set
13F-HR 0000950123-21-010912 Quarter ended 2021-06-302021-08-13acceptance time not in the bulk data set
13F-HR 0000950123-21-005567 Quarter ended 2021-03-312021-05-07acceptance time not in the bulk data set
13F-HR 0000950123-21-001978 Quarter ended 2020-12-312021-02-12acceptance time not in the bulk data set
13F-HR 0000950123-20-011770 Quarter ended 2020-09-302020-11-13acceptance time not in the bulk data set
13F-HR/A 0000950123-20-009824 Quarter ended 2020-06-302020-09-18acceptance time not in the bulk data set
13F-HR 0000950123-20-009057 Quarter ended 2020-06-302020-08-14acceptance time not in the bulk data set
13F-HR 0000950123-20-004195 Quarter ended 2020-03-312020-05-08acceptance time not in the bulk data set
13F-HR 0000950123-20-002489 Quarter ended 2019-12-312020-02-14acceptance time not in the bulk data set
13F-HR 0000950123-19-010406 Quarter ended 2019-09-302019-11-08acceptance time not in the bulk data set
13F-HR 0000950123-19-007448 Quarter ended 2019-06-302019-08-09acceptance time not in the bulk data set
13F-HR 0000950123-19-004372 Quarter ended 2019-03-312019-05-10acceptance time not in the bulk data set
13F-HR 0000950123-19-001021 Quarter ended 2018-12-312019-02-08acceptance time not in the bulk data set
13F-HR 0000950123-18-010952 Quarter ended 2018-09-302018-11-09acceptance time not in the bulk data set
13F-HR/A 0000950123-18-009877 Quarter ended 2018-06-302018-10-12acceptance time not in the bulk data set
13F-HR 0000950123-18-008026 Quarter ended 2018-06-302018-08-10acceptance time not in the bulk data set
13F-HR 0000950123-18-004937 Quarter ended 2018-03-312018-05-11acceptance time not in the bulk data set
13F-HR 0000950123-18-001271 Quarter ended 2017-12-312018-02-09acceptance time not in the bulk data set
13F-HR 0000950123-17-009994 Quarter ended 2017-09-302017-11-09acceptance time not in the bulk data set
13F-HR 0000950123-17-007462 Quarter ended 2017-06-302017-08-11acceptance time not in the bulk data set
13F-HR 0000950123-17-004805 Quarter ended 2017-03-312017-05-12acceptance time not in the bulk data set
13F-HR 0000950123-17-001485 Quarter ended 2016-12-312017-02-10acceptance time not in the bulk data set
13F-HR 0000950123-16-021728 Quarter ended 2016-09-302016-11-10acceptance time not in the bulk data set
13F-HR 0000950123-16-019772 Quarter ended 2016-06-302016-08-12acceptance time not in the bulk data set
13F-HR 0000950123-16-017156 Quarter ended 2016-03-312016-05-13acceptance time not in the bulk data set
13F-HR 0000950123-16-014510 Quarter ended 2015-12-312016-02-12acceptance time not in the bulk data set
13F-HR 0000950123-15-011963 Quarter ended 2015-09-302015-11-13acceptance time not in the bulk data set
13F-HR 0000950123-15-009402 Quarter ended 2015-06-302015-08-14acceptance time not in the bulk data set
13F-HR 0000950123-15-006463 Quarter ended 2015-03-312015-05-15acceptance time not in the bulk data set
13F-HR 0000950123-15-002078 Quarter ended 2014-12-312015-02-13acceptance time not in the bulk data set
13F-HR 0000950123-14-012220 Quarter ended 2014-09-302014-11-14acceptance time not in the bulk data set
13F-HR 0000950123-14-008131 Quarter ended 2014-06-302014-08-08acceptance time not in the bulk data set
13F-HR 0000950123-14-005319 Quarter ended 2014-03-312014-05-09acceptance time not in the bulk data set
13F-HR 0000950123-14-002641 Quarter ended 2013-12-312014-02-14acceptance time not in the bulk data set
13F-HR/A 0000950123-14-001324 Quarter ended 2013-06-302014-02-07acceptance time not in the bulk data set
13F-HR/A 0000950123-14-001323 Quarter ended 2013-09-302014-02-07acceptance time not in the bulk data set
13F-HR 0000950123-13-008799 Quarter ended 2013-09-302013-11-08acceptance time not in the bulk data set
13F-HR 0000950123-13-005805 Quarter ended 2013-06-302013-08-09acceptance time not in the bulk data set