PEAK6’s Materion MTRN Stock Holding History

PEAK6’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	-40,000	Closed	-$4.97M	–	3078
2025 Q4	$4.97M	Sell	40,000 -5,100	-11%	-$629K	0.01%	940
2025 Q3	$5.45M	Buy	45,100 +40,300	+840%	+$4.23M	0.01%	995
2025 Q2	$381K	Hold	4,800	–	–	﹤0.01%	2229
2025 Q1	$392K	Buy	+4,800	New	+$452K	﹤0.01%	2172

Other funds holding MTRN

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

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

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

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

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

AAM

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

PEAK6's MTRN Position: Q2 2025 in Review

PEAK6 sold out of Materion (MTRN) in Q2 2025, closing a stake of 3,327 shares — an estimated $262K sold.

PEAK6 first reported a position in MTRN in Q1 2025 and held it in 1 quarter. The position peaked at $271K in Q1 2025. 256 funds tracked by Wall St. Rank hold MTRN as of Q2 2025.

PEAK6 reported no remaining Materion position as of Q2 2025 after selling out during the quarter.
PEAK6 sold 3,327 Materion shares in Q2 2025, an estimated $262K.
PEAK6 first reported a position in Materion in Q1 2025 and held it in 1 quarter.
PEAK6's Materion position peaked at $271K in Q1 2025.
256 funds tracked by Wall St. Rank held Materion as of Q2 2025.

Based on PEAK6's 13F filing for Q2 2025, filed 14 Aug 2025.