MAM
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Martingale Asset Management’s Materion MTRN Stock Holding History

Martingale Asset Management’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 		$6.49M Sell
21,817
-9,001
-29% -$1.88M 0.15% 144
2026
Q1 		$4.46M Buy
30,818
+4,955
+19% +$721K 0.11% 183
2025
Q4 		$3.22M Buy
25,863
+5,153
+25% +$635K 0.08% 219
2025
Q3 		$2.5M Buy
+20,710
New +$2.17M 0.06% 263
2020
Q4 		– Sell
-31,906
Closed -$1.66M – 992
2020
Q3 		$1.66M Sell
31,906
-52,402
-62% -$2.96M 0.02% 475
2020
Q2 		$5.18M Buy
84,308
+2
+0% +$101 0.06% 302
2020
Q1 		$2.95M Buy
84,306
+3,301
+4% +$164K 0.04% 406
2019
Q4 		$4.82M Hold
81,005
– – 0.05% 394
2019
Q3 		$4.97M Buy
81,005
+13,602
+20% +$844K 0.05% 388
2019
Q2 		$4.57M Hold
67,403
– – 0.05% 401
2019
Q1 		$3.85M Buy
67,403
+21,100
+46% +$1.1M 0.04% 430
2018
Q4 		$2.08M Buy
+46,303
New +$2.46M 0.03% 526
2015
Q1 		– Sell
-31,500
Closed -$1.11M – 888
2014
Q4 		$1.11M Sell
31,500
-4,006
-11% -$138K 0.03% 488
2014
Q3 		$1.09M Buy
35,506
+1,800
+5% +$61.2K 0.03% 456
2014
Q2 		$1.25M Buy
33,706
+3,502
+12% +$121K 0.04% 439
2014
Q1 		$1.02M Sell
30,204
-305
-1% -$9.06K 0.03% 488
2013
Q4 		$942K Buy
+30,509
New +$885K 0.03% 567

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

Martingale Asset Management's MTRN Position: Q2 2026 in Review

Martingale Asset Management reduced its Materion (MTRN) stake by 29% in Q2 2026, selling an estimated $1.88M and leaving 21,817 shares worth $6.49M. The position accounts for 0.15% of the portfolio, ranked #144.

Martingale Asset Management first reported a position in MTRN in Q4 2013 and has held it in 17 quarters since. 405 funds tracked by Wall St. Rank hold MTRN as of Q2 2026.

  • Martingale Asset Management held 21,817 shares of Materion worth $6.49M as of Q2 2026.
  • Martingale Asset Management sold 9,001 Materion shares in Q2 2026, an estimated $1.88M.
  • Materion made up 0.15% of Martingale Asset Management's portfolio in Q2 2026, its #144 holding.
  • Martingale Asset Management first reported a position in Materion in Q4 2013 and has held it in 17 quarters since.
  • 405 funds tracked by Wall St. Rank held Materion as of Q2 2026.

Based on Martingale Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.