Harbour Investments’s Materion MTRN Stock Holding History

Harbour Investments’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	$2.17K	Hold	15	–	–	﹤0.01%	3884
2025 Q4	$1.86K	Hold	15	–	–	﹤0.01%	3319
2025 Q3	$1.81K	Hold	15	–	–	﹤0.01%	3299
2025 Q2	$1.19K	Hold	15	–	–	﹤0.01%	3247
2025 Q1	$1.22K	Hold	15	–	–	﹤0.01%	3195
2024 Q4	$1.48K	Hold	15	–	–	﹤0.01%	3075
2024 Q3	$1.68K	Hold	15	–	–	﹤0.01%	2971
2024 Q2	$1.62K	Hold	15	–	–	﹤0.01%	2867
2024 Q1	$1.98K	Hold	15	–	–	﹤0.01%	2782
2023 Q4	$1.95K	Buy	+15	New	+$1.65K	﹤0.01%	2698

Other funds holding MTRN

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Dimensional Fund Advisors

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

American Century Companies

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Capital Research Global Investors

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

ACK Asset Management Greenwich, Connecticut $801M AUM 60.42% 1-Year Est. Return