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North Star Investment Management Corp.

Position in RIO — Rio Tinto PLC

CIK 1342857 CHICAGO, IL

Position in RIO

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$4,366
+$75 QoQ
Shares Held
46
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#900
of 963 holders
Holding Since
Sep 2022
16 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

North Star Investment Management Corp. holds $47,282 across 5 Other Industrial Metals & Mining names. RIO ranks #4 (9.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 RIO
Rio Tinto PLC
This page
46 $4,366

All Filings in RIO

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16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,366 46
2026-03-31 $4,291 46
2025-12-31 $27,690 346
2025-09-30 $21,915 332
2025-06-30 $17,499 300
2025-03-31 $18,024 300
2024-12-31 $17,643 300
2024-09-30 $21,351 300
2024-06-30 $19,779 300
2024-03-31 $19,122 300
2023-12-31 $22,338 300
2023-09-30 $19,092 300
2023-06-30 $19,152 300
2023-03-31 $20,580 300
2022-12-31 $21,360 300
2022-09-30 $16,518 300