ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in RIO — Rio Tinto PLC

CIK 1164508 BOSTON, MA

Back to RIO Full portfolio

Position in RIO

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$346,126,796

+$35,103,406 QoQ

Shares Held

3,710,224

-4.5% QoQ

Ownership

0.228%

of shares outstanding

% of Portfolio

0.20%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

22 quarters on record

Voting authority Sole 87.57514371099965.ToString("F0")% Shared 0.ToString("F0")% None 12.424856289000342.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

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $1,418,220,562 across 10 Other Industrial Metals & Mining names. RIO ranks #2 (24.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VALE	Vale S.A.	47,947,703	$762,847,954
2	RIO	Rio Tinto PLC This page	3,710,224	$346,126,796
3	TECK	Teck Resources Ltd	5,270,386	$272,742,475
4	USAS	Americas Gold & Silver Corp	4,501,488	$23,497,767
5	WRN	Western Copper & Gold Corp	1,654,741	$4,186,494
6	NEXA	Nexa Resources S.A.	329,346	$3,487,774
7	MTRN	MATERION Corp	18,433	$2,666,333
8	CMP	Compass Minerals International Inc	65,730	$1,534,795

All Filings in RIO

Export CSV

22 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$346,126,796	3,710,224	-4.5%	Shares	Defined	2026-05-14
2025-12-31	$311,023,390	3,886,335	+170.8%	Shares	Defined	2026-02-13
2025-09-30	$94,737,221	1,435,195	+472.8%	Shares	Defined	2025-11-13
2024-12-31	$14,735,139	250,555	+119.5%	Shares	Defined	2025-02-12
2024-09-30	$8,124,696	114,159	-93.4%	Shares	Defined	2024-11-14
2024-06-30	$113,630,289	1,723,499	+300.7%	Shares	Defined	2024-08-14
2023-12-31	$32,026,139	430,112	-15.2%	Shares	Defined	2024-02-14
2023-09-30	$32,279,671	507,223	-61.5%	Shares	Defined	2023-11-14
2023-06-30	$84,076,386	1,316,986	-75.5%	Shares	Defined	2023-08-14
2023-03-31	$368,877,154	5,377,218	-26.9%	Shares	Defined	2023-05-15
2022-12-31	$523,642,678	7,354,532	+24.0%	Shares	Defined	2023-02-14
2022-09-30	$326,617,186	5,932,023	-40.9%	Shares	Defined	2022-11-14
2022-06-30	$612,267,370	10,037,170	-22.2%	Shares	Defined	2022-08-15
2022-03-31	$1,037,135,397	12,899,694	+58.9%	Shares	Defined	2022-05-13
2021-12-31	$543,298,829	8,116,206	+152.5%	Shares	Defined	2022-02-14
2021-09-30	$214,745,113	3,213,785	+71.9%	Shares	Defined	2021-11-12
2021-06-30	$156,841,163	1,869,605	-49.2%	Shares	Defined	2021-08-13
2021-03-31	$285,748,117	3,679,950	-41.9%	Shares	Defined	2021-05-14
2020-12-31	$476,028,265	6,328,480	+31.1%	Shares	Defined	2021-02-12
2020-09-30	$291,428,250	4,825,770	-17.3%	Shares	Defined	2020-11-12
2020-06-30	$327,660,692	5,832,337	+3.3%	Shares	Defined	2020-08-12
2020-03-31	$257,306,706	5,647,645	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.