Boston Partners

Position in RIO — Rio Tinto PLC

CIK 1386060 BOSTON, MA

Position in RIO

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$5,341,132

+$872,177 QoQ

Shares Held

57,253

+2.5% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

23 quarters on record

Voting authority Sole 98.30751227009938.ToString("F0")% Shared 0.ToString("F0")% None 1.6924877299006165.ToString("F0")%

Basic Materials · as of Mar 31, 2026

Boston Partners holds $145,897,508 across 5 Other Industrial Metals & Mining names. RIO ranks #2 (3.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TECK	Teck Resources Ltd	2,652,772	$137,280,950
2	RIO	Rio Tinto PLC This page	57,253	$5,341,132
3	GSM	Ferroglobe PLC	351,435	$1,447,912
4	ALM	Almonty Industries Inc.	85,738	$1,241,486
5	VALE	Vale S.A.	36,834	$586,028

23 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$5,341,132	57,253	+2.5%	Shares	Defined	2026-05-11
2025-12-31	$4,468,955	55,841	+30.8%	Shares	Defined	2026-02-13
2025-09-30	$2,817,174	42,678	+368.5%	Shares	Defined	2025-11-13
2024-12-31	$535,759	9,110	-1.0%	Shares	Defined	2025-02-11
2024-09-30	$654,977	9,203	+1.0%	Shares	Defined	2024-11-12
2024-06-30	$600,622	9,110	+27.0%	Shares	Defined	2024-08-14
2024-03-31	$457,270	7,174	-23.7%	Shares	Defined	2024-05-28
2023-12-31	$699,998	9,401	+0.5%	Shares	Defined	2024-02-07
2023-09-30	$595,224	9,353	0.0%	Shares	Defined	2023-11-08
2023-06-30	$597,095	9,353	0.0%	Shares	Defined	2023-08-10
2023-03-31	$641,615	9,353	0.0%	Shares	Defined	2023-05-09
2022-12-31	$665,933	9,353	+2.4%	Shares	Defined	2023-02-08
2022-09-30	$503,083	9,137	+2.0%	Shares	Defined	2022-11-09
2022-06-30	$546,194	8,954	-0.9%	Shares	Defined	2022-08-10
2022-03-31	$726,333	9,034	+3.9%	Shares	Defined	2022-05-10
2021-12-31	$581,909	8,693	0.0%	Shares	Defined	2022-02-04
2021-09-30	$580,866	8,693	-12.6%	Shares	Defined	2021-11-05
2021-06-30	$834,286	9,945	-1.8%	Shares	Defined	2021-08-12
2021-03-31	$786,672	10,131	-20.2%	Shares	Defined	2021-05-10
2020-12-31	$954,391	12,688	-40.2%	Shares	Defined	2021-02-10
2020-09-30	$1,281,536	21,221	-16.0%	Shares	Defined	2020-11-13
2020-06-30	$1,419,837	25,273	-12.4%	Shares	Defined	2020-08-12
2020-03-31	$1,313,904	28,839	—	Shares	Defined	2020-05-13
No filing history on record for this holder in this stock.