Jane Street
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Jane Street’s MP Materials MP Stock Holding History

Jane Street’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 		$223M Sell
4,720,600
-2,557,500
-35% -$130M 0.02% 497
2026
Q2 		$408M Buy
7,278,100
+2,638,100
+57% +$161M 0.03% 340
2026
Q1 		$224M Buy
4,640,000
+1,714,400
+59% +$103M 0.03% 363
2025
Q4 		$148M Sell
2,925,600
-205,600
-7% -$13M 0.02% 441
2025
Q3 		$210M Buy
3,131,200
+2,461,300
+367% +$155M 0.03% 343
2025
Q2 		$22.3M Buy
669,900
+393,200
+142% +$10M ﹤0.01% 1348
2025
Q1 		$6.75M Buy
276,700
+185,000
+202% +$4.3M ﹤0.01% 2475
2024
Q4 		$1.43M Buy
91,700
+53,700
+141% +$996K ﹤0.01% 4734
2024
Q3 		$671K Sell
38,000
-13,500
-26% -$183K ﹤0.01% 6662
2024
Q2 		$656K Sell
51,500
-24,300
-32% -$381K ﹤0.01% 6574
2024
Q1 		$1.08M Sell
75,800
-133,900
-64% -$2.12M ﹤0.01% 5266
2023
Q4 		$4.16M Buy
209,700
+34,600
+20% +$590K ﹤0.01% 3125
2023
Q3 		$3.34M Buy
175,100
+11,900
+7% +$264K ﹤0.01% 3203
2023
Q2 		$3.73M Buy
163,200
+59,300
+57% +$1.36M ﹤0.01% 3159
2023
Q1 		$2.93M Sell
103,900
-38,900
-27% -$1.18M ﹤0.01% 3190
2022
Q4 		$3.47M Sell
142,800
-36,200
-20% -$1.1M ﹤0.01% 3004
2022
Q3 		$4.89M Sell
179,000
-160,600
-47% -$5.25M ﹤0.01% 2655
2022
Q2 		$10.9M Buy
339,600
+15,700
+5% +$634K ﹤0.01% 1641
2022
Q1 		$18.6M Buy
323,900
+244,600
+308% +$10.8M 0.01% 1322
2021
Q4 		$3.6M Sell
79,300
-52,900
-40% -$2.09M ﹤0.01% 3387
2021
Q3 		$4.26M Sell
132,200
-55,100
-29% -$1.92M ﹤0.01% 3001
2021
Q2 		$6.9M Sell
187,300
-379,000
-67% -$11.8M ﹤0.01% 2188
2021
Q1 		$20.4M Buy
566,300
+258,800
+84% +$9.6M 0.01% 958
2020
Q4 		$9.9M Buy
+307,500
New +$5.95M 0.01% 1425

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
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 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

Jane Street's MP Position: Q3 2026 in Review

Jane Street increased its MP Materials (MP) stake by 577% in Q3 2026, buying an estimated $11.5M and bringing the position to 266,361 shares worth $12.6M. The position accounts for ﹤0.01% of the portfolio, ranked #2549.

Jane Street first reported a position in MP in Q4 2020 and has held it in 23 quarters since. The position peaked at $28.9M in Q4 2025. 494 funds tracked by Wall St. Rank hold MP as of Q3 2026.

  • Jane Street held 266,361 shares of MP Materials worth $12.6M as of Q3 2026.
  • Jane Street bought 227,008 MP Materials shares in Q3 2026, an estimated $11.5M.
  • MP Materials made up ﹤0.01% of Jane Street's portfolio in Q3 2026, its #2549 holding.
  • Jane Street first reported a position in MP Materials in Q4 2020 and has held it in 23 quarters since.
  • Jane Street's MP Materials position peaked at $28.9M in Q4 2025.
  • 494 funds tracked by Wall St. Rank held MP Materials as of Q3 2026.

Based on Jane Street's 13F filing for Q3 2026, filed 12 Nov 2026.