KI
MTRN icon

Keystone Investors’s Materion MTRN Stock Holding History

Keystone Investors’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 		$1.63M Buy
+5,465
New +$1.14M 0.09% 70

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

Keystone Investors's MTRN Position: Q2 2026 in Review

Keystone Investors opened a new position in Materion (MTRN) in Q2 2026: 5,465 shares worth $1.63M. The stake represents 0.09% of the portfolio and ranks #70 among its holdings.

402 funds tracked by Wall St. Rank hold MTRN as of Q2 2026.

  • Keystone Investors held 5,465 shares of Materion worth $1.63M as of Q2 2026.
  • Materion was a new Keystone Investors position in Q2 2026.
  • Materion made up 0.09% of Keystone Investors's portfolio in Q2 2026, its #70 holding.
  • 402 funds tracked by Wall St. Rank held Materion as of Q2 2026.

Based on Keystone Investors's 13F filing for Q2 2026, filed 14 Aug 2026.