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Cullen/Frost Bankers, Inc.

Bank

Position in RIO — Rio Tinto PLC

CIK 39263 San Antonio, TX

Position in RIO

as of Mar 31, 2026 · filed May 5, 2026
Position Value
$18,263,290
+$3,369,467 QoQ
Shares Held
195,769
+5.2% QoQ
Ownership
0.016%
of shares outstanding
% of Portfolio
0.31%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 99.94534374696708.ToString("F0")% Shared 0.ToString("F0")% None 0.05465625303291123.ToString("F0")%

Common Shares in RIO Over Time

Shares Held

Position Value (USD)

Position in Other Industrial Metals & Mining

Basic Materials · as of Mar 31, 2026

Cullen/Frost Bankers, Inc. holds $18,548,165 across 4 Other Industrial Metals & Mining names. RIO ranks #1 (98.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 RIO
Rio Tinto PLC
This page
195,769 $18,263,290

All Filings in RIO

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $18,263,290 195,769
2025-12-31 $14,893,823 186,103
2025-09-30 $11,942,133 180,914
2025-06-30 $9,800,431 168,017
2025-03-31 $6,347,271 105,647
2024-12-31 $5,460,155 92,844
2024-09-30 $5,084,455 71,441
2024-06-30 $63,029 956
2024-03-31 $36,714 576
2023-12-31 $118,465 1,591
2023-09-30 $108,378 1,703
2023-06-30 $108,528 1,700
2023-03-31 $95,765 1,396
2022-12-31 $163,760 2,300
2022-09-30 $125,812 2,285
2022-06-30 $133,895 2,195
2022-03-31 $162,006 2,015
2021-12-31 $68,011 1,016
2021-09-30 $67,889 1,016
2021-06-30 $105,365 1,256
2021-03-31 $78,892 1,016
2020-12-31 $76,423 1,016
2020-09-30 $2,631,554 43,576
2020-06-30 $2,793,775 49,729
2020-03-31 $2,620,245 57,512