Capital World Investors’s Materion MTRN Stock Holding History

Capital World 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	–	Sell	-415,000	Closed	-$60M	–	674
2026 Q1	$60M	Buy	+415,000	New	+$60.4M	0.01%	437

Other funds holding MTRN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

Capital World Investors's MTRN Position: Q2 2026 in Review

Capital World Investors sold out of Materion (MTRN) in Q2 2026, closing a stake of 415,000 shares — an estimated $60M sold.

Capital World Investors first reported a position in MTRN in Q1 2026 and held it in 1 quarter. The position peaked at $60M in Q1 2026. 402 funds tracked by Wall St. Rank hold MTRN as of Q2 2026.

Capital World Investors reported no remaining Materion position as of Q2 2026 after selling out during the quarter.
Capital World Investors sold 415,000 Materion shares in Q2 2026, an estimated $60M.
Capital World Investors first reported a position in Materion in Q1 2026 and held it in 1 quarter.
Capital World Investors's Materion position peaked at $60M in Q1 2026.
402 funds tracked by Wall St. Rank held Materion as of Q2 2026.

Based on Capital World Investors's 13F filing for Q2 2026, filed 12 Aug 2026.