GROUP ONE TRADING LLC

Position in UAMY — United States Antimony Corp

CIK 932540 CHICAGO, IL

Position in UAMY

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

Position Value

$400,795

-$5,891,177 QoQ

Shares Held

55,206

-92.3% QoQ

Ownership

0.037%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#81

of 240 holders

Holding Since

Mar 2021

15 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $22,697,715 across 23 Other Industrial Metals & Mining names. UAMY ranks #9 (1.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VALE	Vale S.A.	322,628	$4,852,325
2	TMC	TMC the metals Co Inc.	1,055,308	$4,675,014
3	USAR	USA Rare Earth, Inc.	183,635	$3,962,843
4	LAC	Lithium Americas Corp.	780,416	$3,004,601
5	SGML	Sigma Lithium Corp	96,601	$1,222,002
6	NAK	Northern Dynasty Minerals Ltd	527,538	$1,012,872
7	VZLA	Vizsla Silver Corp.	274,494	$905,830
8	CRML	Critical Metals Corp.	44,683	$458,000

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$400,795	55,206	-92.3%	Shares	Sole	2026-08-14
2026-03-31	$6,291,972	720,730	+790.6%	Shares	Sole	2026-05-13
2025-12-31	$406,228	80,922	+656.6%	Shares	Sole	2026-02-12
2025-09-30	$66,315	10,696	-97.7%	Shares	Sole	2025-11-12
2025-06-30	$996,587	457,150	+684.1%	Shares	Sole	2025-08-14
2023-12-31	$14,576	58,305	0.0%	Shares	Sole	2024-02-14
2023-09-30	$21,572	58,305	0.0%	Shares	Sole	2023-11-09
2023-06-30	$18,074	58,305	-2.2%	Shares	Sole	2023-08-09
2023-03-31	$22,651	59,609	+325.0%	Shares	Sole	2023-05-12
2022-09-30	$5,188	14,024	-7.3%	Shares	Sole	2022-11-09
2022-06-30	$6,049	15,124	-77.8%	Shares	Sole	2022-08-11
2021-12-31	$34,077	68,155	-33.5%	Shares	Sole	2022-02-11
2021-09-30	$93,234	102,455	+42.4%	Shares	Sole	2021-11-12
2021-06-30	$71,215	71,935	+15.8%	Shares	Sole	2021-08-10
2021-03-31	$75,162	62,118	—	Shares	Sole	2021-05-12
No filing history on record for this holder in this stock.