Position in RIO
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$52,633,377
+$7,993,925 QoQ
Shares Held
564,191
+1.1% QoQ
Ownership
0.045%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in RIO Over Time
Shares Held
Position Value (USD)
Position in Other Industrial Metals & Mining
Basic Materials · as of Mar 31, 2026SEI INVESTMENTS CO holds $97,675,384 across 15 Other Industrial Metals & Mining names. RIO ranks #1 (53.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RIO |
Rio Tinto PLC
This page
|
564,191 | $52,633,377 | |
| 2 | MTRN |
MATERION Corp
|
79,608 | $11,515,296 | |
| 3 | VALE |
Vale S.A.
|
622,592 | $9,905,437 | |
| 4 | BHP |
BHP Group Ltd
|
72,230 | $5,254,010 | |
| 5 | USAR |
USA Rare Earth, Inc.
|
276,819 | $4,189,655 | |
| 6 | ALM |
Almonty Industries Inc.
|
216,039 | $3,128,243 | |
| 7 | TECK |
Teck Resources Ltd
|
50,936 | $2,635,937 | |
| 8 | GSM |
Ferroglobe PLC
|
639,440 | $2,634,491 |
All Filings in RIO
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $52,633,377 | 564,191 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $44,639,452 | 557,784 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $34,137,730 | 517,160 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $30,246,320 | 518,538 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $27,397,620 | 456,019 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $22,897,320 | 389,344 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $27,378,244 | 384,688 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $26,000,285 | 394,362 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $28,461,375 | 446,523 | Shares | Sole | 2024-05-07 | |
| 2023-12-31 | $55,052,000 | 739,350 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $45,926,569 | 721,662 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $38,944,889 | 610,039 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $39,067,631 | 569,499 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $33,564,320 | 471,409 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $24,171,780 | 439,008 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $25,478,114 | 417,674 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $29,341,256 | 364,941 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $25,650,738 | 383,190 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $22,640,151 | 338,823 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $32,547,054 | 387,973 | Shares | Sole | 2021-08-06 | |
| 2021-03-31 | $32,093,133 | 413,305 | Shares | Sole | 2021-05-12 | |
| 2020-12-31 | $33,329,379 | 443,092 | Shares | Sole | 2021-02-08 | |
| 2020-09-30 | $28,887,736 | 478,353 | Shares | Defined | 2020-12-04 | |
| 2020-06-30 | $26,153,249 | 465,526 | Shares | Defined | 2020-08-17 | |
| 2020-03-31 | $29,818,425 | 654,487 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||