Simplex Trading
MLM icon

Simplex Trading’s Martin Marietta Materials MLM Stock Holding History

Simplex Trading’s Portfolio MLM Stock Details MLM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		– Sell
-1,606
Closed -$860K – 9837
2026
Q2 		$926K Buy
+1,606
New +$952K ﹤0.01% 2872
2025
Q3 		– Sell
-2,703
Closed -$1.61M – 9646
2025
Q2 		$1.48M Sell
2,703
-872
-24% -$461K ﹤0.01% 2389
2025
Q1 		$1.71M Buy
3,575
+354
+11% +$180K ﹤0.01% 2192
2024
Q4 		$1.66M Buy
3,221
+2,852
+773% +$1.62M ﹤0.01% 2362
2024
Q3 		$198K Sell
369
-1,225
-77% -$662K ﹤0.01% 4521
2024
Q2 		$863K Sell
1,594
-4,179
-72% -$2.43M ﹤0.01% 3074
2024
Q1 		$3.54M Buy
5,773
+5,381
+1,373% +$2.94M ﹤0.01% 1887
2023
Q4 		$195K Buy
+392
New +$177K ﹤0.01% 4706
2022
Q3 		– Sell
-1,960
Closed -$664K – 10508
2022
Q2 		$586K Buy
+1,960
New +$669K ﹤0.01% 3255
2021
Q2 		– Sell
-5,206
Closed -$1.85M – 10439
2021
Q1 		$1.75M Buy
5,206
+1,516
+41% +$484K ﹤0.01% 1763
2020
Q4 		$1.05M Buy
+3,690
New +$983K ﹤0.01% 2497
2018
Q3 		– Sell
-11,835
Closed -$2.44M – 7791
2018
Q2 		$2.64M Buy
11,835
+10,338
+691% +$2.21M 0.01% 948
2018
Q1 		$310K Buy
+1,497
New +$324K 0.01% 971
2016
Q4 		– Sell
-2,447
Closed -$503K – 6262
2016
Q3 		$438K Buy
+2,447
New +$467K 0.03% 576
2016
Q1 		– Sell
-330
Closed -$45.4K – 5970
2015
Q4 		$45K Buy
+330
New +$50.1K ﹤0.01% 1997

Other funds holding MLM

Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $179B AUM 29.92% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $106B AUM 2.29% 1-Year Est. Return
Luther King Capital Management (LKCM)
Luther King Capital Management (LKCM) Fort Worth, Texas $24.3B AUM 19.37% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Davenport & Co
Davenport & Co Richmond, Virginia $19.9B AUM 12.67% 1-Year Est. Return

Simplex Trading's MLM Position: Q3 2026 in Review

Simplex Trading sold out of Martin Marietta Materials (MLM) in Q3 2026, closing a stake of 1,606 shares — an estimated $860K sold.

Simplex Trading first reported a position in MLM in Q4 2015 and held it in 15 quarters. The position peaked at $3.54M in Q1 2024. 616 funds tracked by Wall St. Rank hold MLM as of Q3 2026.

  • Simplex Trading reported no remaining Martin Marietta Materials position as of Q3 2026 after selling out during the quarter.
  • Simplex Trading sold 1,606 Martin Marietta Materials shares in Q3 2026, an estimated $860K.
  • Simplex Trading first reported a position in Martin Marietta Materials in Q4 2015 and held it in 15 quarters.
  • Simplex Trading's Martin Marietta Materials position peaked at $3.54M in Q1 2024.
  • 616 funds tracked by Wall St. Rank held Martin Marietta Materials as of Q3 2026.

Based on Simplex Trading's 13F filing for Q3 2026, filed 4 Nov 2026.