RhumbLine Advisers
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RhumbLine Advisers’s MP Materials MP Stock Holding History

RhumbLine Advisers’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
2026
Q2 		$19.5M Buy
347,751
+1,581
+0.5% +$96.2K 0.01% 771
2026
Q1 		$16.7M Buy
346,170
+14,992
+5% +$897K 0.01% 804
2025
Q4 		$16.7M Sell
331,178
-11,920
-3% -$756K 0.01% 801
2025
Q3 		$23M Buy
343,098
+72,247
+27% +$4.55M 0.02% 663
2025
Q2 		$9.01M Sell
270,851
-6,506
-2% -$166K 0.01% 1101
2025
Q1 		$6.77M Sell
277,357
-9,688
-3% -$225K 0.01% 1209
2024
Q4 		$4.48M Buy
287,045
+106
+0% +$1.97K ﹤0.01% 1475
2024
Q3 		$5.06M Sell
286,939
-55,074
-16% -$748K ﹤0.01% 1423
2024
Q2 		$4.35M Sell
342,013
-12,316
-3% -$193K ﹤0.01% 1469
2024
Q1 		$5.07M Sell
354,329
-21,338
-6% -$338K ﹤0.01% 1415
2023
Q4 		$7.46M Buy
375,667
+2,970
+0.8% +$50.7K 0.01% 1198
2023
Q3 		$7.12M Buy
372,697
+86,117
+30% +$1.91M 0.01% 1158
2023
Q2 		$6.56M Sell
286,580
-2,886
-1% -$66.2K 0.01% 1222
2023
Q1 		$8.16M Buy
289,466
+9,544
+3% +$289K 0.01% 1062
2022
Q4 		$6.8M Buy
279,922
+14,817
+6% +$449K 0.01% 1116
2022
Q3 		$7.24M Buy
265,105
+169,621
+178% +$5.54M 0.01% 1054
2022
Q2 		$3.06M Buy
95,484
+11,475
+14% +$463K ﹤0.01% 1527
2022
Q1 		$4.82M Buy
84,009
+6,843
+9% +$301K 0.01% 1339
2021
Q4 		$3.5M Sell
77,166
-360
-0.5% -$14.2K ﹤0.01% 1573
2021
Q3 		$2.5M Buy
77,526
+7,886
+11% +$274K ﹤0.01% 1770
2021
Q2 		$2.57M Buy
+69,640
New +$2.16M ﹤0.01% 1823

Other funds holding MP

HP
Hancock Prospecting West Perth, Australia $5.71B AUM 63.42% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

RhumbLine Advisers's MP Position: Q2 2026 in Review

RhumbLine Advisers increased its MP Materials (MP) stake by 0.46% in Q2 2026, buying an estimated $96.2K and bringing the position to 347,751 shares worth $19.5M. The position accounts for 0.01% of the portfolio, ranked #771.

RhumbLine Advisers first reported a position in MP in Q2 2021 and has held it in 21 quarters since. The position peaked at $23M in Q3 2025. 758 funds tracked by Wall St. Rank hold MP as of Q2 2026.

  • RhumbLine Advisers held 347,751 shares of MP Materials worth $19.5M as of Q2 2026.
  • RhumbLine Advisers bought 1,581 MP Materials shares in Q2 2026, an estimated $96.2K.
  • MP Materials made up 0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #771 holding.
  • RhumbLine Advisers first reported a position in MP Materials in Q2 2021 and has held it in 21 quarters since.
  • RhumbLine Advisers's MP Materials position peaked at $23M in Q3 2025.
  • 758 funds tracked by Wall St. Rank held MP Materials as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.