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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