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STEGINSKY CAPITAL LLC

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13F filer, CIK 1120048, PORT WASHINGTON, NY

STEGINSKY CAPITAL LLC reported $544,633,000 across 8 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-11-13.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001120048-25-000005

Period
2025-09-30
Reported value
$545M
Holdings
8
Top 10 weight
100%
New
0
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
BRK-Badded+5,568$2.8M
GOOGadded+6,523$1.59M
MKLadded+529$1.01M
MLMadded+891$562K

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
COSTreduced-4,802-$4.44M
FASTreduced-14,721-$722K

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 0001120048-25-000005, largest first. % of portfolio is the value over $544,633,000, 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; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: restricted; 2024Q4: 652,511 shares; 2025Q1: 631,275 shares; 2025Q2: 674,065 shares; 2025Q3: 680,588 shares 680,588$166M30.43%+6,523Timeline
COSTCOSTCO WHOLESALE CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: restricted; 2024Q4: 142,820 shares; 2025Q1: 137,098 shares; 2025Q2: 130,055 shares; 2025Q3: 125,253 shares 125,253$116M21.29%-4,802Timeline
MKLMARKEL GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: restricted; 2024Q4: 40,337 shares; 2025Q1: 39,098 shares; 2025Q2: 39,561 shares; 2025Q3: 40,090 shares 40,090$76.6M14.07%+529Timeline
MLMMARTIN MARIETTA MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: restricted; 2024Q4: 112,287 shares; 2025Q1: 114,011 shares; 2025Q2: 118,762 shares; 2025Q3: 119,653 shares 119,653$75.4M13.85%+891Timeline
FASTFASTENAL COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: restricted; 2024Q4: 732,436 shares; 2025Q1: 726,506 shares; 2025Q2: 1,455,043 shares; 2025Q3: 1,440,322 shares 1,440,322$70.6M12.97%-14,721Timeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: restricted; 2024Q4: 64,066 shares; 2025Q1: 61,807 shares; 2025Q2: 63,698 shares; 2025Q3: 69,266 shares 69,266$34.8M6.39%+5,568Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: restricted; 2024Q4: 13,071 shares; 2025Q1: 13,071 shares; 2025Q2: 13,071 shares; 2025Q3: 13,071 shares 13,071$3.18M0.58%0Timeline
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: restricted; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 3 shares; 2025Q3: 3 shares 3$2.26M0.42%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 0001120048-25-000005 base2025-11-13acceptance time not in the bulk data set