RB
Ron Baron (Baron Capital) disclosed new in MP MATERIALS CORP
Ron Baron (Baron Capital) filed a 13F change in MP MATERIALS CORP (553368101) on 2026-05-15, covering period end 2026-03-31.
Action
New
Capital
$118,478 reported value
Institutional 13F Signals1 evidence source
Why it matters
This signal is anchored to the SEC filing date while retaining the underlying 13F period end.