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STEGINSKY CAPITAL LLC

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13F filer, CIK 1120048, PORT WASHINGTON, NY

STEGINSKY CAPITAL LLC reported $609,784,000 across 8 holdings for the quarter ended 2026-09-30, in a 13F-HR filed 2026-10-07.

Accepted , ingested 13F-HR 0001120048-26-000004

Period
2026-09-30
Reported value
$610M
Holdings
8
Top 10 weight
100%
New
0
Sold out
0

Largest buys vs the previous quarter

None.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
GOOGreduced-38,970-$13.3M
FASTreduced-69,388-$3.44M
MKLreduced-1,075-$1.84M
MLMreduced-3,528-$1.69M
COSTreduced-1,841-$1.68M

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 2026

Share positions as resolved from 13F-HR 0001120048-26-000004, largest first. % of portfolio is the value over $609,784,000, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 652,511 shares; 2025Q1: 631,275 shares; 2025Q2: 674,065 shares; 2025Q3: 680,588 shares; 2025Q4: 672,412 shares; 2026Q1: 684,142 shares; 2026Q2: 689,320 shares; 2026Q3: 650,350 shares 650,350$222M36.34%-38,970Timeline
COSTCOSTCO WHOLESALE CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 142,820 shares; 2025Q1: 137,098 shares; 2025Q2: 130,055 shares; 2025Q3: 125,253 shares; 2025Q4: 132,195 shares; 2026Q1: 135,431 shares; 2026Q2: 135,271 shares; 2026Q3: 133,430 shares 133,430$121M19.92%-1,841Timeline
FASTFASTENAL COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 732,436 shares; 2025Q1: 726,506 shares; 2025Q2: 1,455,043 shares; 2025Q3: 1,440,322 shares; 2025Q4: 1,595,087 shares; 2026Q1: 1,638,760 shares; 2026Q2: 1,719,217 shares; 2026Q3: 1,649,829 shares 1,649,829$81.7M13.4%-69,388Timeline
MKLMARKEL GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 40,337 shares; 2025Q1: 39,098 shares; 2025Q2: 39,561 shares; 2025Q3: 40,090 shares; 2025Q4: 40,990 shares; 2026Q1: 42,864 shares; 2026Q2: 45,406 shares; 2026Q3: 44,331 shares 44,331$75.9M12.45%-1,075Timeline
MLMMARTIN MARIETTA MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 112,287 shares; 2025Q1: 114,011 shares; 2025Q2: 118,762 shares; 2025Q3: 119,653 shares; 2025Q4: 119,635 shares; 2026Q1: 128,350 shares; 2026Q2: 138,549 shares; 2026Q3: 135,021 shares 135,021$64.8M10.62%-3,528Timeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 64,066 shares; 2025Q1: 61,807 shares; 2025Q2: 63,698 shares; 2025Q3: 69,266 shares; 2025Q4: 70,552 shares; 2026Q1: 74,602 shares; 2026Q2: 74,430 shares; 2026Q3: 73,758 shares 73,758$36.7M6.02%-672Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: 13,071 shares; 2025Q1: 13,071 shares; 2025Q2: 13,071 shares; 2025Q3: 13,071 shares; 2025Q4: 13,071 shares; 2026Q1: 13,091 shares; 2026Q2: 13,327 shares; 2026Q3: 13,327 shares 13,327$4.59M0.75%0Timeline
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 3 shares; 2025Q3: 3 shares; 2025Q4: 3 shares; 2026Q1: 1 shares; 2026Q2: 4 shares; 2026Q3: 4 shares 4$2.99M0.49%0Timeline

How Q3 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 0001120048-26-000004 base2026-10-07

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 0001120048-26-000004 Quarter ended 2026-09-302026-10-07
13F-HR 0001120048-26-000003 Quarter ended 2026-06-302026-07-09acceptance time not in the bulk data set
13F-HR 0001120048-26-000002 Quarter ended 2026-03-312026-05-04acceptance time not in the bulk data set
13F-HR 0001120048-26-000001 Quarter ended 2025-12-312026-02-05acceptance time not in the bulk data set
13F-HR 0001120048-25-000005 Quarter ended 2025-09-302025-11-13acceptance time not in the bulk data set
13F-HR 0001120048-25-000003 Quarter ended 2025-06-302025-08-12acceptance time not in the bulk data set
13F-HR 0001120048-25-000002 Quarter ended 2025-03-312025-05-15acceptance time not in the bulk data set
13F-HR 0001120048-25-000001 Quarter ended 2024-12-312025-02-11acceptance time not in the bulk data set
13F-HR 0001120048-24-000005 Quarter ended 2024-09-302024-11-12acceptance time not in the bulk data set
13F-HR 0001120048-24-000004 Quarter ended 2024-06-302024-08-14acceptance time not in the bulk data set
13F-HR 0001120048-24-000002 Quarter ended 2024-03-312024-05-13acceptance time not in the bulk data set
13F-HR 0001120048-24-000001 Quarter ended 2023-12-312024-02-14acceptance time not in the bulk data set
13F-HR 0001120048-23-000004 Quarter ended 2023-09-302023-11-14acceptance time not in the bulk data set
13F-HR 0001120048-23-000003 Quarter ended 2023-06-302023-07-13acceptance time not in the bulk data set
13F-HR 0001120048-23-000002 Quarter ended 2023-03-312023-05-12acceptance time not in the bulk data set
13F-HR 0001120048-23-000001 Quarter ended 2022-12-312023-01-31acceptance time not in the bulk data set
13F-HR 0001120048-22-000004 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-HR 0001120048-22-000003 Quarter ended 2022-06-302022-07-26acceptance time not in the bulk data set
13F-HR 0001120048-22-000002 Quarter ended 2022-03-312022-05-13acceptance time not in the bulk data set
13F-HR 0001120048-22-000001 Quarter ended 2021-12-312022-02-10acceptance time not in the bulk data set
13F-HR 0001120048-21-000004 Quarter ended 2021-09-302021-11-12acceptance time not in the bulk data set
13F-HR 0001120048-21-000003 Quarter ended 2021-06-302021-08-13acceptance time not in the bulk data set
13F-HR 0001120048-21-000002 Quarter ended 2021-03-312021-05-14acceptance time not in the bulk data set
13F-HR 0001120048-21-000001 Quarter ended 2020-12-312021-02-08acceptance time not in the bulk data set
13F-HR 0001120048-20-000004 Quarter ended 2020-09-302020-10-30acceptance time not in the bulk data set
13F-HR 0001120048-20-000003 Quarter ended 2020-06-302020-08-03acceptance time not in the bulk data set
13F-HR 0001120048-20-000002 Quarter ended 2020-03-312020-05-22acceptance time not in the bulk data set
13F-HR 0001120048-20-000001 Quarter ended 2019-12-312020-01-22acceptance time not in the bulk data set
13F-HR 0001120048-19-000004 Quarter ended 2019-09-302019-11-01acceptance time not in the bulk data set
13F-HR 0001120048-19-000003 Quarter ended 2019-06-302019-08-02acceptance time not in the bulk data set
13F-HR 0001120048-19-000002 Quarter ended 2019-03-312019-05-09acceptance time not in the bulk data set
13F-HR 0001120048-19-000001 Quarter ended 2018-12-312019-02-07acceptance time not in the bulk data set
13F-HR 0001120048-18-000004 Quarter ended 2018-09-302018-11-13acceptance time not in the bulk data set
13F-HR/A 0001120048-18-000005 Quarter ended 2018-09-302018-11-13acceptance time not in the bulk data set
13F-HR 0001120048-18-000003 Quarter ended 2018-06-302018-08-03acceptance time not in the bulk data set
13F-HR 0001120048-18-000002 Quarter ended 2018-03-312018-05-10acceptance time not in the bulk data set
13F-HR 0001120048-18-000001 Quarter ended 2017-12-312018-02-07acceptance time not in the bulk data set
13F-HR 0001120048-17-000007 Quarter ended 2017-09-302017-11-03acceptance time not in the bulk data set
13F-HR 0001120048-17-000006 Quarter ended 2017-06-302017-08-11acceptance time not in the bulk data set
13F-HR 0001120048-17-000005 Quarter ended 2017-03-312017-05-12acceptance time not in the bulk data set
13F-HR 0001120048-17-000004 Quarter ended 2016-12-312017-02-13acceptance time not in the bulk data set