Position in RIO
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$3,761,791
+$964,584 QoQ
Shares Held
39,627
+32.2% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
#207
of 965 holders
Holding Since
Sep 2020
13 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in RIO Over Time
Shares Held
Position Value (USD)
Position in Other Industrial Metals & Mining
Basic Materials · as of Jun 30, 2026Campbell & CO Investment Adviser LLC holds $4,501,533 across 2 Other Industrial Metals & Mining names. RIO ranks #1 (83.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RIO |
Rio Tinto PLC
This page
|
39,627 | $3,761,791 | |
| 2 | CMP |
Compass Minerals International Inc
|
23,763 | $739,742 |
All Filings in RIO
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13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,761,791 | 39,627 | Shares | Sole | 2026-08-03 | |
| 2026-03-31 | $2,797,207 | 29,984 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $2,065,254 | 25,806 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $9,541,943 | 144,553 | Shares | Sole | 2025-10-28 | |
| 2025-06-30 | $1,454,691 | 24,939 | Shares | Sole | 2025-08-07 | |
| 2025-03-31 | $6,062,372 | 100,905 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $219,772 | 3,737 | Shares | Sole | 2025-02-10 | |
| 2024-03-31 | $1,797,276 | 28,197 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $4,318,605 | 57,999 | Shares | Sole | 2024-02-13 | |
| 2023-03-31 | $1,406,711 | 20,506 | Shares | Sole | 2023-05-11 | |
| 2022-03-31 | $603,321 | 7,504 | Shares | Sole | 2022-05-09 | |
| 2021-03-31 | $668,411 | 8,608 | Shares | Sole | 2021-05-14 | |
| 2020-09-30 | $217,887 | 3,608 | Shares | Sole | 2020-10-15 | |
| No filing history on record for this holder in this stock. | ||||||