RHUMBLINE ADVISERS

Position in RIO — Rio Tinto PLC

CIK 1115418 BOSTON, MA

Position in RIO

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$1,495,998

+$176,864 QoQ

Shares Held

16,036

-2.7% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2020

13 quarters on record

Voting authority Sole 99.13943626839611.ToString("F0")% Shared 0.ToString("F0")% None 0.8605637316038913.ToString("F0")%

Basic Materials · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $38,370,842 across 25 Other Industrial Metals & Mining names. RIO ranks #5 (3.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MP	MP Materials Corp. / DE	346,170	$16,706,164
2	MTRN	MATERION Corp	64,203	$9,286,963
3	USAR	USA Rare Earth, Inc.	211,437	$3,200,098
4	VALE	Vale S.A.	123,701	$1,968,082
5	RIO	Rio Tinto PLC This page	16,036	$1,495,998
6	BHP	BHP Group Ltd	19,985	$1,453,708
7	UAMY	United States Antimony Corp	134,064	$1,170,378
8	CMP	Compass Minerals International Inc	40,993	$957,186

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,495,998	16,036	-2.7%	Shares	Sole	2026-05-12
2025-12-31	$1,319,134	16,483	+39.3%	Shares	Sole	2026-02-13
2025-09-30	$781,030	11,832	-27.8%	Shares	Sole	2025-11-06
2025-06-30	$956,378	16,396	+1.7%	Shares	Sole	2025-08-12
2025-03-31	$968,669	16,123	-35.0%	Shares	Sole	2025-05-29
2024-12-31	$1,458,076	24,793	+1.1%	Shares	Sole	2025-05-29
2024-09-30	$1,745,586	24,527	+2.7%	Shares	Sole	2024-11-12
2024-06-30	$1,573,880	23,872	+4.2%	Shares	Sole	2024-08-01
2024-03-31	$1,460,283	22,910	+20.9%	Shares	Sole	2024-05-09
2023-12-31	$1,411,240	18,953	+1.5%	Shares	Sole	2024-02-08
2023-09-30	$1,187,840	18,665	+1.9%	Shares	Sole	2023-11-09
2023-06-30	$1,169,548	18,320	+309.5%	Shares	Sole	2023-08-08
2020-12-31	$336,534	4,474	—	Shares	Sole	2021-02-10
No filing history on record for this holder in this stock.