GROUP ONE TRADING LLC

Position in COST — Costco Wholesale Corp /New

CIK 932540 CHICAGO, IL

Position in COST

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$2,602,477

-$11,273,435 QoQ

Shares Held

2,782

-82.7% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

#1,752

of 4,178 holders

Holding Since

Sep 2020

23 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Consumer Defensive · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $18,245,847 across 5 Discount Stores names. COST ranks #2 (14.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TGT	Target Corp	107,879	$14,090,076
2	COST	Costco Wholesale Corp /New This page	2,782	$2,602,477
3	DG	Dollar General Corp	13,461	$1,549,495
4	TBBB	Bbb Foods Inc	64	$2,666
5	BJ	BJ's Wholesale Club Holdings, Inc.	13	$1,133

23 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,602,477	2,782	-82.7%	Shares	Sole	2026-08-14
2025-12-31	$13,875,912	16,091	+191.3%	Shares	Sole	2026-02-12
2025-09-30	$5,112,254	5,523	-22.2%	Shares	Sole	2025-11-12
2025-06-30	$7,028,574	7,100	-51.3%	Shares	Sole	2025-08-14
2025-03-31	$13,797,038	14,588	-49.3%	Shares	Sole	2025-05-14
2024-12-31	$26,340,929	28,748	+149.0%	Shares	Sole	2025-05-14
2024-09-30	$10,233,986	11,544	+36.7%	Shares	Sole	2024-11-14
2024-06-30	$7,175,615	8,442	+18.4%	Shares	Sole	2024-08-14
2024-03-31	$5,222,919	7,129	-74.3%	Shares	Sole	2024-05-10
2023-12-31	$18,306,658	27,734	+15.3%	Shares	Sole	2024-02-14
2023-09-30	$13,590,112	24,055	+8.2%	Shares	Sole	2023-11-09
2023-06-30	$11,966,572	22,227	-8.4%	Shares	Sole	2023-08-09
2023-03-31	$12,055,556	24,263	-39.3%	Shares	Sole	2023-05-12
2022-12-31	$18,233,523	39,942	+1793.9%	Shares	Sole	2023-02-09
2022-09-30	$996,017	2,109	-71.6%	Shares	Sole	2022-11-09
2022-06-30	$3,556,257	7,420	-58.8%	Shares	Sole	2022-08-11
2022-03-31	$10,376,817	18,020	+2.9%	Shares	Sole	2022-05-12
2021-12-31	$9,938,723	17,507	-53.8%	Shares	Sole	2022-02-11
2021-09-30	$17,037,554	37,916	-53.7%	Shares	Sole	2021-11-12
2021-06-30	$32,373,719	81,820	-15.5%	Shares	Sole	2021-08-10
2021-03-31	$34,111,604	96,776	+801.5%	Shares	Sole	2021-05-12
2020-12-31	$4,044,733	10,735	+1521.6%	Shares	Sole	2021-02-10
2020-09-30	$235,010	662	—	Shares	Sole	2020-11-12
No filing history on record for this holder in this stock.