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ARMSTRONG ADVISORY GROUP, INC

Position in RIO — Rio Tinto PLC

CIK 1932952 NEEDHAM, MA

Position in RIO

as of Jun 30, 2026 · filed Jul 13, 2026
Position Value
$131,667
+$2,274 QoQ
Shares Held
1,387
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#742
of 965 holders
Holding Since
Dec 2022
15 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

ARMSTRONG ADVISORY GROUP, INC holds $179,293 across 4 Other Industrial Metals & Mining names. RIO ranks #1 (73.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 RIO
Rio Tinto PLC
This page
1,387 $131,667

All Filings in RIO

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15 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $131,667 1,387
2026-03-31 $129,393 1,387
2025-12-31 $104,999 1,312
2025-09-30 $86,605 1,312
2025-06-30 $76,528 1,312
2025-03-31 $114,632 1,908
2024-12-31 $112,209 1,908
2024-09-30 $128,675 1,808
2024-06-30 $108,718 1,649
2024-03-31 $158,393 2,485
2023-12-31 $185,033 2,485
2023-09-30 $161,391 2,536
2023-06-30 $121,040 1,896
2023-03-31 $130,065 1,896
2022-12-31 $134,995 1,896