CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Position in RIO — Rio Tinto PLC

CIK 884546 SAN FRANCISCO, CA

Back to RIO Full portfolio

Position in RIO

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$18,127,272

+$5,198,826 QoQ

Shares Held

194,311

+20.3% QoQ

Ownership

0.015%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2020

21 quarters on record

Voting authority Sole 99.79568835526553.ToString("F0")% Shared 0.ToString("F0")% None 0.20431164473447205.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

CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $292,455,148 across 17 Other Industrial Metals & Mining names. RIO ranks #6 (6.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TECK	Teck Resources Ltd	1,772,982	$91,751,818
2	MTRN	MATERION Corp	292,544	$42,316,489
3	MP	MP Materials Corp. / DE	852,620	$41,147,441
4	BHP	BHP Group Ltd	459,376	$33,415,009
5	USAR	USA Rare Earth, Inc.	1,449,933	$21,944,735
6	RIO	Rio Tinto PLC This page	194,311	$18,127,272
7	CMP	Compass Minerals International Inc	704,438	$16,448,627
8	GSM	Ferroglobe PLC	1,475,448	$6,078,845

All Filings in RIO

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21 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$18,127,272	194,311	+20.3%	Shares	Other	2026-05-15
2025-12-31	$12,928,446	161,545	+16.3%	Shares	Sole	2026-02-13
2025-09-30	$9,171,561	138,942	+59.8%	Shares	Sole	2025-11-10
2025-06-30	$5,072,726	86,966	-13.6%	Shares	Sole	2025-08-12
2025-03-31	$6,048,193	100,669	+22.9%	Shares	Sole	2025-09-15
2024-12-31	$4,815,833	81,888	+28.5%	Shares	Sole	2025-02-06
2024-09-30	$4,534,169	63,709	-0.7%	Shares	Sole	2024-11-12
2024-06-30	$4,231,189	64,177	+62.2%	Shares	Sole	2024-08-12
2024-03-31	$2,522,064	39,568	+0.7%	Shares	Sole	2024-05-09
2023-12-31	$2,926,278	39,300	+39.5%	Shares	Sole	2024-02-06
2023-09-30	$1,792,738	28,170	+91.4%	Shares	Sole	2023-11-08
2023-06-30	$939,405	14,715	+127.6%	Shares	Sole	2023-08-10
2023-03-31	$443,567	6,466	+30.5%	Shares	Sole	2023-05-12
2022-12-31	$352,653	4,953	-50.7%	Shares	Sole	2023-02-13
2022-03-31	$808,020	10,050	-9.4%	Shares	Sole	2022-05-13
2021-12-31	$742,699	11,095	-5.3%	Shares	Sole	2022-02-11
2021-09-30	$782,796	11,715	-1.4%	Shares	Sole	2021-11-16
2021-06-30	$996,445	11,878	-10.2%	Shares	Sole	2021-08-16
2021-03-31	$1,027,154	13,228	0.0%	Shares	Sole	2021-05-17
2020-12-31	$995,010	13,228	+1.6%	Shares	Sole	2021-02-16
2020-09-30	$785,915	13,014	—	Shares	Sole	2020-11-13
No filing history on record for this holder in this stock.