Position in GSM
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$605,714
-$90,917 QoQ
Shares Held
147,018
-2.1% QoQ
Ownership
0.079%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2024
7 quarters on record
Voting authority
Sole 16%
Shared 0%
None 84%
Common Shares in GSM Over Time
Shares Held
Position Value (USD)
Position in Other Industrial Metals & Mining
Basic Materials · as of Mar 31, 2026RHUMBLINE ADVISERS holds $38,368,251 across 25 Other Industrial Metals & Mining names. GSM ranks #9 (1.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MP |
MP Materials Corp. / DE
|
346,170 | $16,706,164 | |
| 2 | MTRN |
MATERION Corp
|
64,203 | $9,286,963 | |
| 3 | USAR |
USA Rare Earth, Inc.
|
211,437 | $3,200,098 | |
| 4 | VALE |
Vale S.A.
|
123,701 | $1,968,082 | |
| 5 | RIO |
Rio Tinto PLC
|
16,036 | $1,495,998 | |
| 6 | BHP |
BHP Group Ltd
|
19,985 | $1,453,708 | |
| 7 | UAMY |
United States Antimony Corp
|
134,064 | $1,170,378 | |
| 8 | CMP |
Compass Minerals International Inc
|
40,993 | $957,186 |
All Filings in GSM
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $605,714 | 147,018 | Shares | Sole | 2026-05-12 | |
| 2025-12-31 | $696,631 | 150,136 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $800,954 | 176,034 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $655,502 | 178,611 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $14,687 | 3,959 | Shares | Sole | 2025-05-29 | |
| 2024-12-31 | $15,044 | 3,959 | Shares | Sole | 2025-05-29 | |
| 2024-06-30 | $6,732 | 1,256 | Shares | Sole | 2024-08-01 | |
| No filing history on record for this holder in this stock. | ||||||