Weiss Asset Management LP

Position in MP — MP Materials Corp. / DE

CIK 1357550 BOSTON, MA

Position in MP

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

Position Value

$2,491,716

-$300,928 QoQ

Shares Held

44,487

-19.5% QoQ

Ownership

0.025%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#192

of 740 holders

Holding Since

Sep 2025

3 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

Weiss Asset Management LP holds $9,071,094 across 3 Other Industrial Metals & Mining names. MP ranks #2 (27.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	USAR	USA Rare Earth, Inc.	269,480	$5,815,378
2	MP	MP Materials Corp. / DE This page	44,487	$2,491,716
3	REA	Rare Earths Americas, Inc.	50,000	$764,000

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,491,716	44,487	-19.5%	Shares	Defined	2026-08-14
2025-12-31	$2,792,644	55,278	+7.0%	Shares	Defined	2026-02-17
2025-09-30	$3,465,037	51,663	—	Shares	Defined	2025-11-14
No filing history on record for this holder in this stock.