STEGINSKY CAPITAL LLC VC / PE / Holdco

Location: Port Washington, NY

CIK: 0001120048 · Show all filings

Period: Q3 2025 (← Previous) (Next →)

Filing Date: Nov 13, 2025

Total Value: $545M (100.0% shares, 0.0% debt)

Holdings (8)

GOOG ALPHABET INC CAP STKCL C 30.4%

Value $166M Shares 680,588 Share Price $243.55 Est. Cost/Share $114.02 Unrealized @ Report Date +113.5%

COST COSTCO WHOLESALE CORP 21.3%

Value $116M Shares 125,253 Share Price $925.63 Est. Cost/Share $201.47 Unrealized @ Report Date +358.8%

MKL MARKEL CORP 14.1%

Value $76.63M Shares 40,090 Share Price $1911.35 Est. Cost/Share $1146.67 Unrealized @ Report Date +66.7%

MLM MARTIN MARIETTA MATLS INC 13.8%

Value $75.42M Shares 119,653 Share Price $630.28 Est. Cost/Share $241.22 Unrealized @ Report Date +160.9%

FAST FASTENAL CO 13.0%

Value $70.63M Shares 1,440,322 Share Price $49.04 Est. Cost/Share $28.20 Unrealized @ Report Date +73.0%

BRK/B BERKSHIRE HATHAWAY INC DEL CL B NEW 6.4%

Value $34.82M Shares 69,266 Share Price $502.74 Est. Cost/Share $208.94 Unrealized @ Report Date +140.6%

GOOGL ALPHABET INC CL A 0.6%

Value $3.178M Shares 13,071 Share Price $243.13 Est. Cost/Share $112.60 Unrealized @ Report Date +115.7%

BRK/A BERKSHIRE HATHAWAY INC CL A 0.4%

Value $2.263M Shares 3 Share Price $754333.33 Est. Cost/Share $761794.56 Unrealized @ Report Date -1.0%

Ticker	Issuer	Shares	Value	%	Share Price	Est. Cost/Share	Unrealized @ Report Date	Class	CUSIP
GOOG	ALPHABET INC CAP STKCL C	680,588	$166M	30.4%	$243.55	$114.02	+113.5%	COM	02079K107
COST	COSTCO WHOLESALE CORP	125,253	$116M	21.3%	$925.63	$201.47	+358.8%	COM	22160K105
MKL	MARKEL CORP	40,090	$76.63M	14.1%	$1911.35	$1146.67	+66.7%	COM	570535104
MLM	MARTIN MARIETTA MATLS INC	119,653	$75.42M	13.8%	$630.28	$241.22	+160.9%	COM	573284106
FAST	FASTENAL CO	1,440,322	$70.63M	13.0%	$49.04	$28.20	+73.0%	COM	311900104
BRK/B	BERKSHIRE HATHAWAY INC DEL CL B NEW	69,266	$34.82M	6.4%	$502.74	$208.94	+140.6%	COM	084670702
GOOGL	ALPHABET INC CL A	13,071	$3.178M	0.6%	$243.13	$112.60	+115.7%	COM	02079K305
BRK/A	BERKSHIRE HATHAWAY INC CL A	3	$2.263M	0.4%	$754333.33	$761794.56	-1.0%	COM	084670108