RhumbLine Advisers
MP icon

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
Q3 		$17.4M Buy
367,865
+20,114
+6% +$1.02M 0.01% 791
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% +$1.96K ﹤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

State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
W.H. Reaves & Co
W.H. Reaves & Co Jersey City, New Jersey $5.54B AUM 1.09% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $296B AUM 23.14% 1-Year Est. Return
VOYA Investment Management
VOYA Investment Management Atlanta, Georgia $109B AUM 51.53% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Foundations Investment Advisors
Foundations Investment Advisors Phoenix, Arizona $10.1B AUM 19.55% 1-Year Est. Return

RhumbLine Advisers's MP Position: Q3 2026 in Review

RhumbLine Advisers increased its MP Materials (MP) stake by 5.8% in Q3 2026, buying an estimated $1.02M and bringing the position to 367,865 shares worth $17.4M. The position accounts for 0.01% of the portfolio, ranked #791.

RhumbLine Advisers first reported a position in MP in Q2 2021 and has held it in 22 quarters since. The position peaked at $23M in Q3 2025. 486 funds tracked by Wall St. Rank hold MP as of Q3 2026.

  • RhumbLine Advisers held 367,865 shares of MP Materials worth $17.4M as of Q3 2026.
  • RhumbLine Advisers bought 20,114 MP Materials shares in Q3 2026, an estimated $1.02M.
  • MP Materials made up 0.01% of RhumbLine Advisers's portfolio in Q3 2026, its #791 holding.
  • RhumbLine Advisers first reported a position in MP Materials in Q2 2021 and has held it in 22 quarters since.
  • RhumbLine Advisers's MP Materials position peaked at $23M in Q3 2025.
  • 486 funds tracked by Wall St. Rank held MP Materials as of Q3 2026.

Based on RhumbLine Advisers's 13F filing for Q3 2026, filed 10 Nov 2026.