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ROCKWOOD RESEARCH · A CORPORATE FILINGS WEBSITE|STRAIGHT FROM THE SOURCE · SEC EDGAR|SPONSOREDYour message on this tape — bid on the Rockwood Ad Exchange · Rockwood Ad Exchange|
Rockwood Research
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MP

MP Materials Corp. / DE

Metal Mining · SIC 1000CIK 1801368Held by 5 tracked managersEDGAR filings ↗10-K/10-Q ↗

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5 managers · Q2 2026 13F
4.7%
—
0.16%
+58.9%
0.10%
+313.0%
0.04%
NEW
<0.01%
(59.7%)

Weight = position value ÷ the manager's total 13F long-equity value in the same filing — one definition for every row. “1st obs.” marks a position with no earlier stored 13F to compare against — it is not shown as a purchase.