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Cornerstone Planning Group LLC

Position in MTRN — MATERION Corp

CIK 1822587 FAIRFIELD, NJ

Position in MTRN

as of Jun 30, 2026 · filed Jul 29, 2026
Position Value
$37,173
+$16,055 QoQ
Shares Held
125
-14.4% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#336
of 405 holders
Holding Since
Dec 2022
14 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in MTRN Over Time

Shares Held

Position Value (USD)

Position in Other Industrial Metals & Mining

Basic Materials · as of Jun 30, 2026

Cornerstone Planning Group LLC holds $107,446 across 7 Other Industrial Metals & Mining names. MTRN ranks #1 (34.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MTRN
MATERION Corp
This page
125 $37,173

All Filings in MTRN

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14 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $37,173 125
2026-03-31 $21,118 146
2025-12-31 $18,399 148
2025-09-30 $17,879 148
2025-06-30 $1,508 19
2025-03-31 $5,467 67
2024-12-31 $1,878 19
2024-09-30 $2,125 19
2024-06-30 $2,054 19
2024-03-31 $2,503 19
2023-12-31 $2,472 19
2023-09-30 $1,936 19
2023-06-30 $7,765 68
2022-12-31 $5,950 68