IAM
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Ion Asset Management’s MP Materials MP Stock Holding History

Ion Asset Management’s Portfolio MP Stock Details MP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		$871K Sell
12,985
-18,445
-59% -$1.16M 0.1% 49
2025
Q2 		$1.05M Buy
+31,430
New +$802K 0.06% 42

Other funds holding MP

HP
Hancock Prospecting West Perth, Australia $3.33B AUM 65.96% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
CLG
Cooperman Leon G $3.05B AUM 42.78% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Ion Asset Management's MP Position: Q3 2025 in Review

Ion Asset Management reduced its MP Materials (MP) stake by 59% in Q3 2025, selling an estimated $1.16M and leaving 12,985 shares worth $871K. The position accounts for 0.1% of the portfolio, ranked #49.

Ion Asset Management first reported a position in MP in Q2 2025 and has held it in 2 quarters since. The position peaked at $1.05M in Q2 2025. 677 funds tracked by Wall St. Rank hold MP as of Q3 2025.

  • Ion Asset Management held 12,985 shares of MP Materials worth $871K as of Q3 2025.
  • Ion Asset Management sold 18,445 MP Materials shares in Q3 2025, an estimated $1.16M.
  • MP Materials made up 0.1% of Ion Asset Management's portfolio in Q3 2025, its #49 holding.
  • Ion Asset Management first reported a position in MP Materials in Q2 2025 and has held it in 2 quarters since.
  • Ion Asset Management's MP Materials position peaked at $1.05M in Q2 2025.
  • 677 funds tracked by Wall St. Rank held MP Materials as of Q3 2025.

Based on Ion Asset Management's 13F filing for Q3 2025, filed 14 Nov 2025.