Position in MTRN
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$415,322,681
+$220,054,873 QoQ
Shares Held
1,396,559
+3.5% QoQ
Ownership
6.70%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#3
of 394 holders
Holding Since
Mar 2026
2 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, 2026VANGUARD PORTFOLIO MANAGEMENT LLC holds $987,772,728 across 16 Other Industrial Metals & Mining names. MTRN ranks #1 (42.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MTRN |
MATERION Corp
This page
|
1,396,559 | $415,322,681 | |
| 2 | MP |
MP Materials Corp. / DE
|
6,823,168 | $382,165,639 | |
| 3 | USAR |
USA Rare Earth, Inc.
|
5,495,447 | $118,591,746 | |
| 4 | CMP |
Compass Minerals International Inc
|
698,271 | $21,737,176 | |
| 5 | ALM |
Almonty Industries Inc.
|
729,468 | $12,079,990 | |
| 6 | UAMY |
United States Antimony Corp
|
1,558,005 | $11,311,116 | |
| 7 | CRML |
Critical Metals Corp.
|
695,182 | $7,125,615 | |
| 8 | ALOY |
Realloys Inc.
|
447,147 | $6,461,274 |
All Filings in MTRN
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2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $415,322,681 | 1,396,559 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $195,267,808 | 1,349,933 | Shares | Defined | 2026-05-08 | |
| No filing history on record for this holder in this stock. | ||||||