Simplex Trading
MTRN icon

Simplex Trading’s Materion MTRN Stock Holding History

Simplex Trading’s Portfolio MTRN Stock Details MTRN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.11M Buy
7,700
+7,100
+1,183% +$1.03M ﹤0.01% 2399
2025
Q4 		$74.6K Buy
600
+200
+50% +$24.7K ﹤0.01% 5281
2025
Q3 		$48K Buy
+400
New +$42K ﹤0.01% 6495
2025
Q1 		– Sell
-400
Closed -$39K – 9236
2024
Q4 		$39K Buy
400
+100
+33% +$10.9K ﹤0.01% 6124
2024
Q3 		$33K Buy
300
+200
+200% +$22.2K ﹤0.01% 6269
2024
Q2 		$10K Buy
+100
New +$11.5K ﹤0.01% 7431
2024
Q1 		– Sell
-5,900
Closed -$767K – 9485
2023
Q4 		$767K Buy
5,900
+2,300
+64% +$252K ﹤0.01% 3280
2023
Q3 		$366K Buy
3,600
+3,500
+3,500% +$382K ﹤0.01% 3723
2023
Q2 		$11K Sell
100
-1,000
-91% -$109K ﹤0.01% 7326
2023
Q1 		$127K Buy
+1,100
New +$110K ﹤0.01% 4890
2022
Q3 		– Sell
-600
Closed -$44K – 10529
2022
Q2 		$44K Sell
600
-500
-45% -$40.2K ﹤0.01% 6672
2022
Q1 		$94K Buy
+1,100
New +$94K ﹤0.01% 6240
2021
Q4 		– Sell
-200
Closed -$15K – 11066
2021
Q3 		$15K Hold
200
– – ﹤0.01% 8664
2021
Q2 		$15K Buy
+200
New +$14.8K ﹤0.01% 8825
2021
Q1 		– Sell
-1
Closed -$6K – 9586
2020
Q4 		$6K Sell
1
-7
-88% -$403 ﹤0.01% 7657
2020
Q3 		$41K Sell
8
-1
-11% -$57 ﹤0.01% 5796
2020
Q2 		$55K Buy
9
+2
+29% +$101 ﹤0.01% 5404
2020
Q1 		$24K Buy
+7
New +$347 ﹤0.01% 5800
2016
Q4 		– Sell
-8
Closed -$4K – 6279
2016
Q3 		$4K Buy
+8
New +$225 ﹤0.01% 4488

Other funds holding MTRN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
AAM
ACK Asset Management Greenwich, Connecticut $801M AUM 60.42% 1-Year Est. Return

Simplex Trading's MTRN Position: Q4 2025 in Review

Simplex Trading sold out of Materion (MTRN) in Q4 2025, closing a stake of 1,434 shares — an estimated $177K sold.

Simplex Trading first reported a position in MTRN in Q4 2014 and held it in 15 quarters. The position peaked at $1.35M in Q4 2018. 296 funds tracked by Wall St. Rank hold MTRN as of Q4 2025.

  • Simplex Trading reported no remaining Materion position as of Q4 2025 after selling out during the quarter.
  • Simplex Trading sold 1,434 Materion shares in Q4 2025, an estimated $177K.
  • Simplex Trading first reported a position in Materion in Q4 2014 and held it in 15 quarters.
  • Simplex Trading's Materion position peaked at $1.35M in Q4 2018.
  • 296 funds tracked by Wall St. Rank held Materion as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.