Position in RIO
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$2,064,694
+$144,135 QoQ
Shares Held
22,132
-7.8% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
18 quarters on record
Voting authority
Sole 63%
Shared 0%
None 37%
Common Shares in RIO Over Time
Shares Held
Position Value (USD)
Position in Other Industrial Metals & Mining
Basic Materials · as of Mar 31, 2026BLAIR WILLIAM & CO/IL holds $5,349,186 across 6 Other Industrial Metals & Mining names. RIO ranks #1 (38.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RIO |
Rio Tinto PLC
This page
|
22,132 | $2,064,694 | |
| 2 | USAR |
USA Rare Earth, Inc.
|
128,321 | $1,942,138 | |
| 3 | BHP |
BHP Group Ltd
|
8,421 | $612,543 | |
| 4 | MP |
MP Materials Corp. / DE
|
12,491 | $602,815 | |
| 5 | NB |
Niocorp Developments Ltd
|
14,330 | $63,911 | |
| 6 | SLI |
Standard Lithium Ltd.
|
18,500 | $63,085 |
All Filings in RIO
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,064,694 | 22,132 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $1,920,559 | 23,998 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,357,363 | 20,563 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $959,703 | 16,453 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $839,317 | 13,970 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $1,028,763 | 17,493 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $876,173 | 12,311 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,115,205 | 16,915 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $580,543 | 9,108 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $851,226 | 11,432 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $550,167 | 8,645 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $485,056 | 7,598 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $582,345 | 8,489 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $648,774 | 9,112 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $234,665 | 4,262 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $500,505 | 8,205 | Shares | Sole | 2022-08-10 | |
| 2021-06-30 | $560,133 | 6,677 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $534,775 | 6,887 | Shares | Sole | 2021-05-13 | |
| No filing history on record for this holder in this stock. | ||||||