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Coston, McIsaac & Partners

Position in RIO — Rio Tinto PLC

CIK 1945037 BAR HARBOR, ME

Position in RIO

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$9,018
-$590 QoQ
Shares Held
95
-7.8% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#874
of 965 holders
Holding Since
Mar 2023
11 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, 2026

Coston, McIsaac & Partners holds $28,720 across 4 Other Industrial Metals & Mining names. RIO ranks #2 (31.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 RIO
Rio Tinto PLC
This page
95 $9,018

All Filings in RIO

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11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $9,018 95
2026-03-31 $9,608 103
2025-12-31 $10,163 127
2024-12-31 $17,760 302
2024-09-30 $21,493 302
2024-06-30 $19,383 294
2024-03-31 $18,038 283
2023-12-31 $21,072 283
2023-09-30 $18,010 283
2023-06-30 $17,619 276
2023-03-31 $18,316 267