MATTERN CAPITAL MANAGEMENT, LLC

Position in COST — Costco Wholesale Corp /New

CIK 1803227 LAKEWOOD, CO

Position in COST

as of Jun 30, 2026 · filed Jul 24, 2026 Compact

Position Value

$13,444,574

-$918,964 QoQ

Shares Held

14,372

-0.3% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

1.69%

of 13F equity value

Holder Rank

#753

of 4,178 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Consumer Defensive · as of Jun 30, 2026

MATTERN CAPITAL MANAGEMENT, LLC holds $25,772,531 across 4 Discount Stores names. COST ranks #1 (52.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	COST	Costco Wholesale Corp /New This page	14,372	$13,444,574
2	WMT	Walmart Inc.	93,445	$10,583,580
3	DLTR	Dollar Tree, Inc.	7,707	$932,161
4	DG	Dollar General Corp	7,056	$812,216

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$13,444,574	14,372	-0.3%	Shares	Sole	2026-07-24
2026-03-31	$14,363,538	14,415	-1.2%	Shares	Sole	2026-05-04
2025-12-31	$12,578,091	14,586	+5.1%	Shares	Sole	2026-01-29
2025-09-30	$12,843,116	13,875	-1.7%	Shares	Sole	2025-10-21
2025-06-30	$13,975,972	14,118	+0.2%	Shares	Sole	2025-07-21
2025-03-31	$13,319,419	14,083	-7.0%	Shares	Sole	2025-04-23
2024-12-31	$13,880,574	15,149	-3.9%	Shares	Sole	2025-02-03
2024-09-30	$13,981,306	15,771	-1.0%	Shares	Sole	2024-10-24
2024-06-30	$13,543,740	15,934	-1.5%	Shares	Sole	2024-08-02
2024-03-31	$11,845,894	16,169	-4.1%	Shares	Sole	2024-05-14
2023-12-31	$11,124,988	16,854	+0.6%	Shares	Sole	2024-02-14
2023-09-30	$9,462,515	16,749	+4.6%	Shares	Sole	2023-11-08
2023-06-30	$8,620,002	16,011	+2.4%	Shares	Sole	2023-08-08
2023-03-31	$7,768,065	15,634	+2.4%	Shares	Sole	2023-05-12
2022-12-31	$6,972,581	15,274	+5.4%	Shares	Sole	2023-02-06
2022-09-30	$6,845,081	14,494	-1.9%	Shares	Sole	2022-11-08
2022-06-30	$7,082,799	14,778	-5.8%	Shares	Sole	2022-08-08
2022-03-31	$9,037,389	15,694	+0.5%	Shares	Sole	2022-05-03
2021-12-31	$8,866,338	15,618	-3.7%	Shares	Sole	2022-02-03
2021-09-30	$7,286,210	16,215	+0.7%	Shares	Sole	2021-11-01
2021-06-30	$6,372,661	16,106	+3.4%	Shares	Sole	2021-08-03
2021-03-31	$5,489,876	15,575	+5.8%	Shares	Sole	2021-05-17
2020-12-31	$5,548,085	14,725	+0.7%	Shares	Sole	2021-02-03
2020-09-30	$5,191,520	14,624	+0.5%	Shares	Sole	2020-11-16
2020-06-30	$4,413,524	14,556	+0.1%	Shares	Sole	2020-08-07
2020-03-31	$4,144,364	14,535	—	Shares	Sole	2020-05-11
No filing history on record for this holder in this stock.