STEGINSKY CAPITAL LLC VC / PE / Holdco

Location: Port Washington, NY

CIK: 0001120048 · Show all filings

Period: Q1 2026 (← Previous) (Next →)

Filing Date: May 4, 2026

Total Value: $605M (100.0% shares, 0.0% debt)

Holdings (8)

GOOG ALPHABET INC CAP STKCL C 32.4%

Value $196M Shares 684,142 Share Price $286.86 Est. Cost/Share $117.46 Unrealized @ Report Date +144.2%

COST COSTCO WHOLESALE CORP 22.3%

Value $135M Shares 135,431 Share Price $996.43 Est. Cost/Share $256.04 Unrealized @ Report Date +289.2%

MKL MARKEL CORP 13.6%

Value $82.05M Shares 42,864 Share Price $1914.08 Est. Cost/Share $1203.74 Unrealized @ Report Date +59.0%

FAST FASTENAL CO 12.6%

Value $76.04M Shares 1,638,760 Share Price $46.40 Est. Cost/Share $29.95 Unrealized @ Report Date +54.9%

MLM MARTIN MARIETTA MATLS INC 12.5%

Value $75.56M Shares 128,350 Share Price $588.68 Est. Cost/Share $268.17 Unrealized @ Report Date +119.5%

BRK/B BERKSHIRE HATHAWAY INC DEL CL B NEW 5.9%

Value $35.75M Shares 74,602 Share Price $479.20 Est. Cost/Share $229.22 Unrealized @ Report Date +109.1%

GOOGL ALPHABET INC CL A 0.6%

Value $3.765M Shares 13,091 Share Price $287.60 Est. Cost/Share $112.60 Unrealized @ Report Date +155.4%

BRK/A BERKSHIRE HATHAWAY INC CL A 0.1%

Value $718K Shares 1 Share Price $718000.00 Est. Cost/Share $761794.56 Unrealized @ Report Date -5.7%

Ticker	Issuer	Shares	Value	%	Share Price	Est. Cost/Share	Unrealized @ Report Date	Class	CUSIP
GOOG	ALPHABET INC CAP STKCL C	684,142	$196M	32.4%	$286.86	$117.46	+144.2%	COM	02079K107
COST	COSTCO WHOLESALE CORP	135,431	$135M	22.3%	$996.43	$256.04	+289.2%	COM	22160K105
MKL	MARKEL CORP	42,864	$82.05M	13.6%	$1914.08	$1203.74	+59.0%	COM	570535104
FAST	FASTENAL CO	1,638,760	$76.04M	12.6%	$46.40	$29.95	+54.9%	COM	311900104
MLM	MARTIN MARIETTA MATLS INC	128,350	$75.56M	12.5%	$588.68	$268.17	+119.5%	COM	573284106
BRK/B	BERKSHIRE HATHAWAY INC DEL CL B NEW	74,602	$35.75M	5.9%	$479.20	$229.22	+109.1%	COM	084670702
GOOGL	ALPHABET INC CL A	13,091	$3.765M	0.6%	$287.60	$112.60	+155.4%	COM	02079K305
BRK/A	BERKSHIRE HATHAWAY INC CL A	1	$718K	0.1%	$718000.00	$761794.56	-5.7%	COM	084670108