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Disclosery

Graham Holdings Co

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13F filer, CIK 104889, ARLINGTON, VA

Graham Holdings Co reported $998,793,000 across 6 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-11-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001628280-25-052369

Period
2025-09-30
Reported value
$999M
Holdings
6
Top 10 weight
100%
New
1
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
CABOnew+182,439$32.3M

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
BRK-Breduced-1,025-$515K

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, Q3 2025

Share positions as resolved from 13F-HR 0001628280-25-052369, largest first. % of portfolio is the value over $998,793,000, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 422 shares; 2024Q4: 422 shares; 2025Q1: 422 shares; 2025Q2: 422 shares; 2025Q3: 422 shares 422$318M31.87%0Timeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,135,490 shares; 2024Q4: 1,135,490 shares; 2025Q1: 1,135,490 shares; 2025Q2: 1,135,490 shares; 2025Q3: 1,135,490 shares 1,135,490$277M27.69%0Timeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 482,945 shares; 2024Q4: 482,945 shares; 2025Q1: 482,945 shares; 2025Q2: 482,945 shares; 2025Q3: 481,920 shares 481,920$242M24.26%-1,025Timeline
MKLMARKEL GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 55,430 shares; 2024Q4: 55,430 shares; 2025Q1: 55,430 shares; 2025Q2: 55,430 shares; 2025Q3: 55,430 shares 55,430$106M10.61%0Timeline
CABOCABLE ONE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 182,439 shares 182,439$32.3M3.23%newTimeline
PUBMPUBMATIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,331,462 shares; 2024Q4: 2,331,462 shares; 2025Q1: 2,831,462 shares; 2025Q2: 2,831,462 shares; 2025Q3: 2,831,462 shares 2,831,462$23.4M2.35%0Timeline

How Q3 2025 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 0001628280-25-052369 base2025-11-14acceptance time not in the bulk data set