Position in MTRN
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$6,488,157
+$2,030,334 QoQ
Shares Held
21,817
-29.2% QoQ
Ownership
0.105%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
#94
of 405 holders
Holding Since
Mar 2020
7 quarters on record
Voting authority
Sole 60%
Shared 0%
None 40%
Common Shares in MTRN Over Time
Shares Held
Position Value (USD)
Position in Other Industrial Metals & Mining
Basic Materials · as of Jun 30, 2026MARTINGALE ASSET MANAGEMENT L P holds $9,729,442 across 3 Other Industrial Metals & Mining names. MTRN ranks #1 (66.7% of the industry book) .
All Filings in MTRN
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7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $6,488,157 | 21,817 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $4,457,823 | 30,818 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $3,215,288 | 25,863 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $2,501,975 | 20,710 | Shares | Sole | 2025-11-13 | |
| 2020-09-30 | $1,660,069 | 31,906 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $5,184,098 | 84,308 | Shares | Sole | 2020-08-10 | |
| 2020-03-31 | $2,951,553 | 84,306 | Shares | Sole | 2020-05-11 | |
| No filing history on record for this holder in this stock. | ||||||