Flagship Harbor Advisors’s Materion MTRN Stock Holding History

Flagship Harbor Advisors’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 Q1	–	Sell	-2	Closed	-$249	–	1636
2025 Q4	$249	Buy	+2	New	+$247	﹤0.01%	2147

Other funds holding MTRN

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

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

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

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

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

AAM

ACK Asset Management Greenwich, Connecticut $856M AUM 70.44% 1-Year Est. Return

Flagship Harbor Advisors's MTRN Position: Q1 2026 in Review

Flagship Harbor Advisors sold out of Materion (MTRN) in Q1 2026, closing a stake of 2 shares — an estimated $249 sold.

Flagship Harbor Advisors first reported a position in MTRN in Q4 2025 and held it in 1 quarter. The position peaked at $249 in Q4 2025. 334 funds tracked by Wall St. Rank hold MTRN as of Q1 2026.

Flagship Harbor Advisors reported no remaining Materion position as of Q1 2026 after selling out during the quarter.
Flagship Harbor Advisors sold 2 Materion shares in Q1 2026, an estimated $249.
Flagship Harbor Advisors first reported a position in Materion in Q4 2025 and held it in 1 quarter.
Flagship Harbor Advisors's Materion position peaked at $249 in Q4 2025.
334 funds tracked by Wall St. Rank held Materion as of Q1 2026.

Based on Flagship Harbor Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.