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
2025
Q4 		– Sell
-1,434
Closed -$177K – 9516
2025
Q3 		$173K Buy
+1,434
New +$151K ﹤0.01% 5121
2024
Q4 		– Sell
-59
Closed -$6.41K – 9214
2024
Q3 		$6K Buy
+59
New +$6.56K ﹤0.01% 7531
2021
Q4 		– Sell
-151
Closed -$11K – 11067
2021
Q3 		$11K Hold
151
– – ﹤0.01% 8875
2021
Q2 		$11K Sell
151
-490
-76% -$36.3K ﹤0.01% 9041
2021
Q1 		$42K Sell
641
-205
-24% -$14.2K ﹤0.01% 6809
2020
Q4 		$53K Buy
846
+453
+115% +$26K ﹤0.01% 6114
2020
Q3 		$20K Sell
393
-2,207
-85% -$125K ﹤0.01% 6367
2020
Q2 		$159K Buy
+2,600
New +$131K ﹤0.01% 4267
2019
Q4 		– Sell
-1,115
Closed -$66K – 7712
2019
Q3 		$68K Sell
1,115
-757
-40% -$47K ﹤0.01% 4721
2019
Q2 		$126K Buy
1,872
+1,483
+381% +$93.4K ﹤0.01% 3949
2019
Q1 		$22K Sell
389
-29,664
-99% -$1.54M ﹤0.01% 5649
2018
Q4 		$1.35M Buy
+30,053
New +$1.6M ﹤0.01% 1386
2018
Q1 		– Sell
-1,072
Closed -$54.7K – 6594
2017
Q4 		$52K Buy
+1,072
New +$51K ﹤0.01% 2410
2015
Q2 		– Sell
-593
Closed -$22K – 5614
2015
Q1 		$22K Buy
593
+45
+8% +$1.62K ﹤0.01% 2258
2014
Q4 		$19K Buy
+548
New +$18.9K ﹤0.01% 2096

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.