Entropy Technologies’s Materion MTRN Stock Holding History

Entropy Technologies’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
2025 Q3	–	Sell	-3,000	Closed	-$238K	–	999
2025 Q2	$238K	Buy	+3,000	New	+$237K	0.02%	668

Other funds holding MTRN

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

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

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

AAM

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

Trigran Investments Northbrook, Illinois $418M AUM 3.34% 1-Year Est. Return

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

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Entropy Technologies's MTRN Position: Q3 2025 in Review

Entropy Technologies sold out of Materion (MTRN) in Q3 2025, closing a stake of 3,000 shares — an estimated $238K sold.

Entropy Technologies first reported a position in MTRN in Q2 2025 and held it in 1 quarter. The position peaked at $238K in Q2 2025. 301 funds tracked by Wall St. Rank hold MTRN as of Q3 2025.

Entropy Technologies reported no remaining Materion position as of Q3 2025 after selling out during the quarter.
Entropy Technologies sold 3,000 Materion shares in Q3 2025, an estimated $238K.
Entropy Technologies first reported a position in Materion in Q2 2025 and held it in 1 quarter.
Entropy Technologies's Materion position peaked at $238K in Q2 2025.
301 funds tracked by Wall St. Rank held Materion as of Q3 2025.

Based on Entropy Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.