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ANCHOR CAPITAL ADVISORS LLC

Position in RIO — Rio Tinto PLC

CIK 813933 Boston, MA

Position in RIO

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$21,858,126
+$5,180,275 QoQ
Shares Held
234,303
+12.4% QoQ
Ownership
0.019%
of shares outstanding
% of Portfolio
0.65%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2024
8 quarters on record
Voting authority Sole 97.97484453890903.ToString("F0")% Shared 0.ToString("F0")% None 2.0251554610909803.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

ANCHOR CAPITAL ADVISORS LLC holds $62,876,521 across 2 Other Industrial Metals & Mining names. RIO ranks #2 (34.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 RIO
Rio Tinto PLC
This page
234,303 $21,858,126

All Filings in RIO

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8 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $21,858,126 234,303
2025-12-31 $16,677,851 208,395
2025-09-30 $13,975,703 211,721
2025-06-30 $8,954,121 153,508
2025-03-31 $9,488,674 157,934
2024-12-31 $9,030,099 153,547
2024-09-30 $2,780,184 39,064
2024-06-30 $2,530,195 38,377