Wellington Management Group
MTRN icon

Wellington Management Group’s Materion MTRN Stock Holding History

Wellington Management 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 		$47.1M Buy
+158,335
New +$33.2M 0.01% 777
2023
Q1 		– Sell
-216,396
Closed -$18.9M – 2067
2022
Q4 		$18.9M Buy
216,396
+8,950
+4% +$731K ﹤0.01% 930
2022
Q3 		$16.6M Buy
207,446
+156,420
+307% +$12.9M ﹤0.01% 966
2022
Q2 		$3.76M Buy
51,026
+28,647
+128% +$2.3M ﹤0.01% 1403
2022
Q1 		$1.92M Buy
22,379
+10,300
+85% +$880K ﹤0.01% 1614
2021
Q4 		$1.11M Sell
12,079
-821
-6% -$68.4K ﹤0.01% 1781
2021
Q3 		$885K Hold
12,900
– – ﹤0.01% 1812
2021
Q2 		$972K Buy
+12,900
New +$956K ﹤0.01% 1791
2018
Q4 		– Sell
-6,881
Closed -$416K – 2146
2018
Q3 		$416K Hold
6,881
– – ﹤0.01% 2084
2018
Q2 		$373K Hold
6,881
– – ﹤0.01% 2109
2018
Q1 		$351K Hold
6,881
– – ﹤0.01% 2073
2017
Q4 		$335K Buy
+6,881
New +$327K ﹤0.01% 2113

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

Wellington Management Group's MTRN Position: Q2 2026 in Review

Wellington Management Group opened a new position in Materion (MTRN) in Q2 2026: 158,335 shares worth $47.1M. The stake represents 0.01% of the portfolio and ranks #777 among its holdings. This is a return to the name: Wellington Management Group previously reported a position in MTRN as recently as Q4 2022.

Wellington Management Group first reported a position in MTRN in Q4 2017 and has held it in 12 quarters since. 405 funds tracked by Wall St. Rank hold MTRN as of Q2 2026.

  • Wellington Management Group held 158,335 shares of Materion worth $47.1M as of Q2 2026.
  • Materion was a new Wellington Management Group position in Q2 2026.
  • Materion made up 0.01% of Wellington Management Group's portfolio in Q2 2026, its #777 holding.
  • Wellington Management Group first reported a position in Materion in Q4 2017 and has held it in 12 quarters since.
  • 405 funds tracked by Wall St. Rank held Materion as of Q2 2026.

Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.