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Cornerstone Investment Partners’s Materion MTRN Stock Holding History

Cornerstone Investment Partners’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 		$533K Sell
1,791
-84
-4% -$17.6K 0.02% 91
2026
Q1 		$271K Buy
+1,875
New +$273K 0.01% 185
2022
Q1 		– Sell
-2,357
Closed -$217K – 263
2021
Q4 		$217K Buy
+2,357
New +$196K 0.01% 215
2021
Q3 		– Sell
-2,957
Closed -$223K – 271
2021
Q2 		$223K Buy
+2,957
New +$219K 0.01% 233

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

Cornerstone Investment Partners's MTRN Position: Q2 2026 in Review

Cornerstone Investment Partners reduced its Materion (MTRN) stake by 4.5% in Q2 2026, selling an estimated $17.6K and leaving 1,791 shares worth $533K. The position accounts for 0.02% of the portfolio, ranked #91.

Cornerstone Investment Partners first reported a position in MTRN in Q2 2021 and has held it in 4 quarters since. 406 funds tracked by Wall St. Rank hold MTRN as of Q2 2026.

  • Cornerstone Investment Partners held 1,791 shares of Materion worth $533K as of Q2 2026.
  • Cornerstone Investment Partners sold 84 Materion shares in Q2 2026, an estimated $17.6K.
  • Materion made up 0.02% of Cornerstone Investment Partners's portfolio in Q2 2026, its #91 holding.
  • Cornerstone Investment Partners first reported a position in Materion in Q2 2021 and has held it in 4 quarters since.
  • 406 funds tracked by Wall St. Rank held Materion as of Q2 2026.

Based on Cornerstone Investment Partners's 13F filing for Q2 2026, filed 7 Aug 2026.