Vanguard Personalized Indexing Management, LLC
Position in MTRN — MATERION Corp
CIK 1767306
OAKLAND, CA
Position in MTRN
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$1,168,147
+$616,018 QoQ
Shares Held
3,928
+2.9% QoQ
Ownership
0.019%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#175
of 400 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 79%
Shared 0%
None 21%
Common Shares in MTRN Over Time
Shares Held
Position Value (USD)
Position in Other Industrial Metals & Mining
Basic Materials · as of Jun 30, 2026Vanguard Personalized Indexing Management, LLC holds $18,992,251 across 16 Other Industrial Metals & Mining names. MTRN ranks #4 (6.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BHP |
BHP Group Ltd
|
120,913 | $10,073,262 | |
| 2 | RIO |
Rio Tinto PLC
|
44,086 | $4,185,083 | |
| 3 | MP |
MP Materials Corp. / DE
|
23,335 | $1,306,993 | |
| 4 | MTRN |
MATERION Corp
This page
|
3,928 | $1,168,147 | |
| 5 | VALE |
Vale S.A.
|
52,220 | $785,388 | |
| 6 | ELVR |
Elevra Lithium Ltd
|
4,876 | $332,299 | |
| 7 | SKE |
Skeena Resources Ltd
|
8,511 | $226,903 | |
| 8 | USAR |
USA Rare Earth, Inc.
|
10,163 | $219,317 |
All Filings in MTRN
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4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,168,147 | 3,928 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $552,129 | 3,817 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $352,074 | 2,832 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $334,764 | 2,771 | Shares | Sole | 2025-10-31 | |
| No filing history on record for this holder in this stock. | ||||||