MH & ASSOCIATES SECURITIES MANAGEMENT CORP /ADV

Broker-Dealer

Position in RIO — Rio Tinto PLC

CIK 354201 CARLSBAD, CA

Back to RIO Full portfolio

Position in RIO

as of Jun 30, 2026 · filed Jul 28, 2026 Compact

Position Value

$4,351,686

+$54,469 QoQ

Shares Held

45,841

-0.5% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

4.21%

of 13F equity value

Holder Rank

#192

of 963 holders

Holding Since

Dec 2025

3 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Common Shares in RIO Over Time

Shares Held

Position Value (USD)

Position in Other Industrial Metals & Mining

Basic Materials · as of Jun 30, 2026

MH & ASSOCIATES SECURITIES MANAGEMENT CORP /ADV holds $6,772,824 across 3 Other Industrial Metals & Mining names. RIO ranks #1 (64.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RIO	Rio Tinto PLC This page	45,841	$4,351,686
2	MP	MP Materials Corp. / DE	23,565	$1,319,875
3	ALOY	Realloys Inc.	76,212	$1,101,263

All Filings in RIO

Export CSV

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$4,351,686	45,841	-0.5%	Shares	Sole	2026-07-28
2026-03-31	$4,297,217	46,063	-0.0%	Shares	Sole	2026-05-01
2025-12-31	$3,686,661	46,066	—	Shares	Sole	2026-01-22
No filing history on record for this holder in this stock.