Calamos Wealth Management LLC

Position in COST — Costco Wholesale Corp /New

CIK 1455258 NAPERVILLE, IL

Position in COST

as of Jun 30, 2026 · filed Jul 31, 2026 Compact

Position Value

$8,882,287

-$782,087 QoQ

Shares Held

9,495

-2.1% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.43%

of 13F equity value

Holder Rank

#951

of 4,178 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 77% Shared 0% None 23%

Consumer Defensive · as of Jun 30, 2026

Calamos Wealth Management LLC holds $36,006,398 across 4 Discount Stores names. COST ranks #2 (24.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WMT	Walmart Inc.	181,893	$20,601,201
2	COST	Costco Wholesale Corp /New This page	9,495	$8,882,287
3	PSMT	Pricesmart Inc	31,491	$6,151,451
4	DG	Dollar General Corp	3,227	$371,459

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$8,882,287	9,495	-2.1%	Shares	Sole	2026-07-31
2026-03-31	$9,664,374	9,699	+13.3%	Shares	Sole	2026-05-04
2025-12-31	$7,385,079	8,564	+4.1%	Shares	Sole	2026-01-29
2025-09-30	$7,614,232	8,226	+25.4%	Shares	Sole	2025-10-20
2025-06-30	$6,494,006	6,560	-0.0%	Shares	Sole	2025-07-29
2025-03-31	$6,207,154	6,563	-11.2%	Shares	Sole	2025-04-29
2024-12-31	$6,770,319	7,389	+1.7%	Shares	Sole	2025-01-24
2024-09-30	$6,444,113	7,269	+13.7%	Shares	Sole	2024-11-12
2024-06-30	$5,433,136	6,392	-2.2%	Shares	Sole	2024-07-25
2024-03-31	$4,788,469	6,536	-7.2%	Shares	Sole	2024-05-08
2023-12-31	$4,647,623	7,041	-2.5%	Shares	Sole	2024-01-31
2023-09-30	$4,079,576	7,221	+3.0%	Shares	Sole	2023-10-26
2023-06-30	$3,775,658	7,013	+1.5%	Shares	Sole	2023-07-28
2023-03-31	$3,433,868	6,911	+6.4%	Shares	Sole	2023-05-04
2022-12-31	$2,964,511	6,494	+1.0%	Shares	Sole	2023-01-26
2022-09-30	$3,037,640	6,432	-6.7%	Shares	Sole	2022-10-24
2022-06-30	$3,303,677	6,893	-4.2%	Shares	Sole	2022-08-01
2022-03-31	$4,141,513	7,192	+3.6%	Shares	Sole	2022-05-03
2021-12-31	$3,939,270	6,939	+18.6%	Shares	Sole	2022-02-01
2021-09-30	$2,629,146	5,851	-8.0%	Shares	Sole	2021-10-26
2021-06-30	$2,515,274	6,357	+2.6%	Shares	Sole	2021-07-22
2021-03-31	$2,184,671	6,198	+2.4%	Shares	Sole	2021-04-12
2020-12-31	$2,281,402	6,055	+1.3%	Shares	Sole	2021-01-27
2020-09-30	$2,122,900	5,980	+22.0%	Shares	Sole	2020-10-26
2020-06-30	$1,486,638	4,903	-7.3%	Shares	Sole	2020-07-27
2020-03-31	$1,508,052	5,289	—	Shares	Sole	2020-04-28
No filing history on record for this holder in this stock.