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ROCKWOOD RESEARCH · A CORPORATE FILINGS WEBSITE|STRAIGHT FROM THE SOURCE · SEC EDGAR|SPONSOREDYour message on this tape — bid on the Rockwood Ad Exchange · Rockwood Ad Exchange|
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MTRN

MATERION Corp

Metal Forgings & Stampings · SIC 3460CIK 1104657Held by 6 tracked managersEDGAR filings ↗10-K/10-Q ↗

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6 managers · Q2 2026 13F
0.19%
(23.2%)
0.06%
+17.0%
0.04%
+26.7%
0.01%
(93.2%)
<0.01%
(12.3%)
<0.01%
(20.3%)

Weight = position value ÷ the manager's total 13F long-equity value in the same filing — one definition for every row. “1st obs.” marks a position with no earlier stored 13F to compare against — it is not shown as a purchase.