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
2023
Q2 		– Sell
-900
Closed -$104K – 9573
2023
Q1 		$104K Buy
+900
New +$90.2K ﹤0.01% 5109
2021
Q2 		– Sell
-2
Closed -$13K – 10458
2021
Q1 		$13K Buy
+2
New +$139 ﹤0.01% 7750
2020
Q4 		– Sell
-43
Closed -$223K – 8816
2020
Q3 		$223K Sell
43
-6
-12% -$339 ﹤0.01% 3966
2020
Q2 		$301K Buy
49
+37
+308% +$1.87K ﹤0.01% 3522
2020
Q1 		$42K Buy
+12
New +$595 ﹤0.01% 5313
2019
Q3 		– Sell
-1
Closed -$6K – 7657
2019
Q2 		$6K Sell
1
-52
-98% -$3.27K ﹤0.01% 6365
2019
Q1 		$302K Sell
53
-322
-86% -$16.8K ﹤0.01% 3194
2018
Q4 		$1.69M Buy
+375
New +$19.9K 0.01% 1210

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.