Position in RIO
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$187,031,243
+$61,524,676 QoQ
Shares Held
2,004,837
+27.8% QoQ
Ownership
0.160%
of shares outstanding
% of Portfolio
0.49%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
15 quarters on record
Voting authority
Sole 56.734188365438186.ToString("F0")%
Shared 0.ToString("F0")%
None 43.265811634561814.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, 2026Grantham, Mayo, Van Otterloo & Co. LLC holds $255,844,043 across 5 Other Industrial Metals & Mining names. RIO ranks #1 (73.1% of the industry book) .
All Filings in RIO
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15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $187,031,243 | 2,004,837 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $125,506,567 | 1,568,244 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $74,356,634 | 1,126,445 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $54,041,753 | 926,483 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $46,386,326 | 772,076 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $22,786,757 | 387,464 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $28,749,406 | 403,954 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $19,445,460 | 294,941 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $3,662,181 | 57,455 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $983,467 | 13,208 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $1,176,449 | 18,486 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $4,011,131 | 62,831 | Shares | Sole | 2023-08-14 | |
| 2022-09-30 | $4,074,440 | 74,000 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $1,079,700 | 17,700 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $3,248,160 | 40,400 | Shares | Sole | 2022-05-13 | |
| No filing history on record for this holder in this stock. | ||||||