GROUP ONE TRADING LLC

Position in MP — MP Materials Corp. / DE

CIK 932540 CHICAGO, IL

Position in MP

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$3,995,493

-$1,018,364 QoQ

Shares Held

82,791

-16.6% QoQ

Ownership

0.047%

of shares outstanding

% of Portfolio

0.16%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2021

11 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Basic Materials · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $29,759,562 across 17 Other Industrial Metals & Mining names. MP ranks #4 (13.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VALE	Vale S.A.	510,801	$8,126,843
2	UAMY	United States Antimony Corp	720,730	$6,291,972
3	TMC	TMC the metals Co Inc.	940,484	$4,392,060
4	MP	MP Materials Corp. / DE This page	82,791	$3,995,493
5	USAR	USA Rare Earth, Inc.	148,447	$2,246,745
6	LAC	Lithium Americas Corp.	474,094	$1,872,671
7	CRML	Critical Metals Corp.	129,090	$1,024,974
8	NAK	Northern Dynasty Minerals Ltd	421,859	$590,602

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,995,493	82,791	-16.6%	Shares	Sole	2026-05-13
2025-12-31	$5,013,857	99,245	-51.5%	Shares	Sole	2026-02-12
2025-09-30	$13,737,344	204,821	+60.9%	Shares	Sole	2025-11-12
2025-03-31	$3,108,149	127,331	+37.1%	Shares	Sole	2025-05-14
2024-12-31	$1,448,397	92,846	+13.5%	Shares	Sole	2025-05-14
2024-06-30	$1,041,390	81,806	+13.8%	Shares	Sole	2024-08-14
2024-03-31	$1,027,741	71,870	-20.2%	Shares	Sole	2024-05-10
2023-12-31	$1,787,929	90,072	-25.9%	Shares	Sole	2024-02-14
2023-09-30	$2,322,006	121,571	+60.0%	Shares	Sole	2023-11-09
2023-06-30	$1,738,010	75,962	-31.2%	Shares	Sole	2023-08-09
2021-03-31	$3,967,190	110,353	—	Shares	Sole	2021-05-12
No filing history on record for this holder in this stock.