839 institutions reported holding $12.19B of Mp Materials Corp (MP) in SEC 13F filings for 2026-06-30. Largest institutional holders: UBS Group AG ($2.17B), VANGUARD GROUP INC ($832.9M), Hancock Prospecting Pty Ltd ($832.4M), BlackRock, Inc. ($825.4M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($564.2M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30