Materion Corp (MTRN)

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Hedge Fund Holdings
Filing Period:
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No. Hedge Fund Shares Value Activity % Port
1.
ACK Asset Management

Richard S. Meisenberg

524,800 $63,401,088 7.93%
2.
Trigran Investments

Douglas T. Granat

497,729 $60,130,640 -38% 10.9%
3.
Harvey Partners

Jeffrey Moskowitz

318,000 $38,417,580 3.42%
4.
GAMCO Investors

Mario Gabelli

195,150 $23,576,072 +5% 0.23%
5. 148,697 $17,964,083 +17% 0.01%