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Cornerstone Planning Group’s Materion MTRN Stock Holding History

Cornerstone Planning Group’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 		$31.4K Sell
125
-21
-14% -$4.4K ﹤0.01% 529
2026
Q1 		$28.6K Sell
146
-2
-1% -$291 ﹤0.01% 555
2025
Q4 		$20K Hold
148
– – ﹤0.01% 589
2025
Q3 		$17.1K Buy
148
+129
+679% +$13.5K ﹤0.01% 630
2025
Q2 		$2.07K Sell
19
-48
-72% -$3.79K ﹤0.01% 939
2025
Q1 		$5.39K Buy
67
+48
+253% +$4.52K ﹤0.01% 711
2024
Q4 		$1.94K Hold
19
– – ﹤0.01% 802
2024
Q3 		$2.02K Hold
19
– – ﹤0.01% 769
2024
Q2 		$1.97K Hold
19
– – ﹤0.01% 772
2024
Q1 		$2.04K Hold
19
– – ﹤0.01% 662
2023
Q4 		$2.47K Hold
19
– – ﹤0.01% 601
2023
Q3 		$1.94K Sell
19
-49
-72% -$5.35K ﹤0.01% 666
2023
Q2 		$7.77K Buy
+68
New +$7.38K ﹤0.01% 753
2022
Q4 		$6.04K Buy
+68
New +$5.55K ﹤0.01% 805

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 Planning Group's MTRN Position: Q2 2026 in Review

Cornerstone Planning Group reduced its Materion (MTRN) stake by 14% in Q2 2026, selling an estimated $4.4K and leaving 125 shares worth $31.4K. The position accounts for ﹤0.01% of the portfolio, ranked #529.

Cornerstone Planning Group first reported a position in MTRN in Q4 2022 and has held it in 14 quarters since. 405 funds tracked by Wall St. Rank hold MTRN as of Q2 2026.

  • Cornerstone Planning Group held 125 shares of Materion worth $31.4K as of Q2 2026.
  • Cornerstone Planning Group sold 21 Materion shares in Q2 2026, an estimated $4.4K.
  • Materion made up ﹤0.01% of Cornerstone Planning Group's portfolio in Q2 2026, its #529 holding.
  • Cornerstone Planning Group first reported a position in Materion in Q4 2022 and has held it in 14 quarters since.
  • 405 funds tracked by Wall St. Rank held Materion as of Q2 2026.

Based on Cornerstone Planning Group's 13F filing for Q2 2026, filed 29 Jul 2026.