Position in RIO
as of Jun 30, 2026
· filed Aug 17, 2026
Position Value
$7,594,969
+$7,594,969 QoQ
Shares Held
80,006
Ownership
0.005%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#129
of 965 holders
Holding Since
Mar 2024
4 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in RIO Over Time
Shares Held
Position Value (USD)
Derivatives in RIO
reported options exposure · as of Mar 31, 2026CallValue
$1,296,731
CallShares
13,900
PutValue
$466,450
PutShares
5,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Other Industrial Metals & Mining
Basic Materials · as of Jun 30, 2026CAPSTONE INVESTMENT ADVISORS, LLC holds $9,281,479 across 7 Other Industrial Metals & Mining names. RIO ranks #1 (81.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RIO |
Rio Tinto PLC
This page
|
80,006 | $7,594,969 | |
| 2 | SGML |
Sigma Lithium Corp
|
32,099 | $406,052 | |
| 3 | NEXA |
Nexa Resources S.A.
|
30,549 | $373,919 | |
| 4 | TMC |
TMC the metals Co Inc.
|
74,392 | $329,556 | |
| 5 | MP |
MP Materials Corp. / DE
|
4,732 | $265,039 | |
| 6 | BHP |
BHP Group Ltd
|
2,430 | $202,443 | |
| 7 | LAC |
Lithium Americas Corp.
|
28,442 | $109,501 |
All Filings in RIO
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $7,594,969 | 80,006 | Shares | Defined | 2026-08-17 | |
| 2026-03-31 | $466,450 | 5,000 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $1,296,731 | 13,900 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $6,402,400 | 80,000 | Shares | Defined | 2026-02-17 | |
| 2024-03-31 | $1,734,492 | 27,212 | Shares | Sole | 2024-05-01 | |
| No filing history on record for this holder in this stock. | ||||||