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
Q2 		$495K Buy
+1,663
New +$348K ﹤0.01% 3616
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 $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

Simplex Trading's MTRN Position: Q2 2026 in Review

Simplex Trading opened a new position in Materion (MTRN) in Q2 2026: 1,663 shares worth $495K. The stake represents ﹤0.01% of the portfolio and ranks #3616 among its holdings. This is a return to the name: Simplex Trading previously reported a position in MTRN as recently as Q3 2025.

Simplex Trading first reported a position in MTRN in Q4 2014 and has held it in 16 quarters since. The position peaked at $1.35M in Q4 2018. 405 funds tracked by Wall St. Rank hold MTRN as of Q2 2026.

  • Simplex Trading held 1,663 shares of Materion worth $495K as of Q2 2026.
  • Materion was a new Simplex Trading position in Q2 2026.
  • Materion made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #3616 holding.
  • Simplex Trading first reported a position in Materion in Q4 2014 and has held it in 16 quarters since.
  • Simplex Trading's Materion position peaked at $1.35M in Q4 2018.
  • 405 funds tracked by Wall St. Rank held Materion as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.