Mariner
MP icon

Mariner’s MP Materials MP Stock Holding History

Mariner’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
Q1 		$415K Sell
8,591
-5,942
-41% -$355K ﹤0.01% 2627
2025
Q4 		$734K Sell
14,533
-37,938
-72% -$2.41M ﹤0.01% 2178
2025
Q3 		$3.52M Buy
52,471
+18,548
+55% +$1.17M ﹤0.01% 1099
2025
Q2 		$1.13M Sell
33,923
-19,455
-36% -$497K ﹤0.01% 1713
2025
Q1 		$1.3M Buy
53,378
+16,695
+46% +$388K ﹤0.01% 1507
2024
Q4 		$572K Sell
36,683
-4,015
-10% -$74.4K ﹤0.01% 2081
2024
Q3 		$720K Buy
40,698
+22,516
+124% +$306K ﹤0.01% 1858
2024
Q2 		$231K Buy
18,182
+5,616
+45% +$88.2K ﹤0.01% 2664
2024
Q1 		$180K Sell
12,566
-6,153
-33% -$97.3K ﹤0.01% 2801
2023
Q4 		$372K Buy
18,719
+3,860
+26% +$65.8K ﹤0.01% 2161
2023
Q3 		$284K Buy
14,859
+2,279
+18% +$50.6K ﹤0.01% 2205
2023
Q2 		$288K Sell
12,580
-283
-2% -$6.49K ﹤0.01% 2153
2023
Q1 		$362K Buy
12,863
+4,222
+49% +$128K ﹤0.01% 1922
2022
Q4 		$210K Buy
+8,641
New +$262K ﹤0.01% 2321

Other funds holding MP

HP
Hancock Prospecting West Perth, Australia $3.33B AUM 65.96% 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
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $133B AUM 72.99% 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
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Mariner's MP Position: Q1 2026 in Review

Mariner reduced its MP Materials (MP) stake by 41% in Q1 2026, selling an estimated $355K and leaving 8,591 shares worth $415K. The position accounts for ﹤0.01% of the portfolio, ranked #2627.

Mariner first reported a position in MP in Q4 2022 and has held it in 14 quarters since. The position peaked at $3.52M in Q3 2025. 710 funds tracked by Wall St. Rank hold MP as of Q1 2026.

  • Mariner held 8,591 shares of MP Materials worth $415K as of Q1 2026.
  • Mariner sold 5,942 MP Materials shares in Q1 2026, an estimated $355K.
  • MP Materials made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #2627 holding.
  • Mariner first reported a position in MP Materials in Q4 2022 and has held it in 14 quarters since.
  • Mariner's MP Materials position peaked at $3.52M in Q3 2025.
  • 710 funds tracked by Wall St. Rank held MP Materials as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.