Who Owns MP MATERIALS CORP (MP.WS)? -- Institutional Holders (2026-06-30)

8 institutions reported holding $261.7M of MP MATERIALS CORP (MP.WS) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($132.2M), GROUP ONE TRADING LLC ($52.5M), SIMPLEX TRADING, LLC ($36.5M), JPMORGAN CHASE & CO ($35.6M), OnyxPoint Global Management LP ($4.2M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1IMC-Chicago, LLC$132.2M2.4MAdded
2GROUP ONE TRADING LLC$52.5M937,600Trimmed
3SIMPLEX TRADING, LLC$36.5M651,400Trimmed
4JPMORGAN CHASE & CO$35.6M650,000Added
5OnyxPoint Global Management LP$4.2M74,800Trimmed
6HRT FINANCIAL LP$733,00013,100Trimmed
7All Terrain Financial Advisors, LLC$00Exited
8Thomist Capital Management, LP$00Exited

Source: SEC Form 13F filings · as of 2026-06-30