Stock ownership · SEC 13F · Q4 2025

RIO TINTO PLC

Who owns RIO TINTO PLC (CUSIP 767204100)? A look at the institutions behind it, how tightly they hold it, and the latest quarter's moves.

$9.8M
Reported value
10
Institutions
98%
Top-5 share

The verdict

According to SEC Form 13F-HR filings in this corpus, RIO TINTO PLC ranks #449 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. 10 institutions report $9.8M as of Q4 2025, with ownership dominated by its top few institutional owners.

10
institutions hold it
$9.8M
reported 13F value
98%
held by top 5
#449
of 775 by value

Based on long positions reported to the SEC as of Q4 2025; 13F omits shorts, options and non-US holdings.

According to SEC Form 13F-HR filings in this corpus, RIO TINTO PLC ranks #449 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders.

How 13F ownership is computed · All tracked stocks · Concentration rankings

SEC Form 13F-HR ownership desk

CUSIP 767204100 · Q4 2025 $10M reported

VALUE-LIGHT · HOLDERS-NARROW · CONC-DOM · PHOTO-FINISH · ACTIVITY-MID · BOOK-FULL

  • VALUE-LIGHT #449/775
  • HOLDERS-NARROW 10 filers
  • CONC-DOM 98% top-5
  • PHOTO-FINISH CUMMINS
  • ACTIVITY-MID 8 new
  • BOOK-FULL 8Q history

Photo-finish peer on reported value: CUMMINS INC

Read with: Ownership concentration guide - RIO TINTO PLC's top-five holders account for 98% of reported value — read concentration before treating any single filer as a signal.

Reported-value neighbourhood · RIO TINTO PLC

Nearest tracked securities by aggregate 13F reported value, not a full corpus reprint.

AIR PRODS & CHEMS · near$10MRIO TINTO · this stock$10MCUMMINS · near$10MCHARLES SCHWAB US MC · near$10MFREEPORT-MCMORAN · near$10M
Aggregate reported institutional value ($)

RIO TINTO PLC vs. the broadly-held institutional universe

Where this security's reporting-institution count sits among tracked 13F securities

10 Top 83% higher than 17% of 216 securities

Broadly-held tracked securities, banded by reporting-institution count

Each bar is a band; taller bars hold more securities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source SEC Form 13F-HR filings · Q4 2025

Largest institutional holders of RIO TINTO PLC
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Top 6 reported holders by value · Q4 2025

Institutional ownership over time

The number of institutions reporting a RIO TINTO PLC position has risen from 7 to 10 over the last 8 quarters of 13F filings.

024681012 Q1'24Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25 10
Distinct 13F filers holding RIO TINTO PLC, by quarter

Top Institutional Holders

# Institution Shares Value Share of reported
1 SSA SWISS ADVISORS AG 48,382 $3.9M 39.6%
2 Amanah Holdings Trust 45,000 $3.6M 36.9%
3 DGS Capital Management, LLC 13,282 $1.1M 10.9%
4 KW WEALTH MANAGEMENT LLC 10,342 $828K 8.5%
5 Anchor Investment Management, LLC 2,351 $188K 1.9%
6 MidFirst Bank 1,334 $107K 1.1%
7 Banque Transatlantique SA 865 $69K 0.7%
8 TD Capital Management LLC 285 $23K 0.2%
9 Bell Investment Advisors, Inc 237 $19K 0.2%
10 SG Trading Solutions, LLC 5,476 $438 0.0%

Investment Discretion

SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among RIO TINTO PLC's reported holders for Q4 2025, by reported value:

Sole discretion (SOLE)
99.3%
Shared-defined discretion (DFND)
0.7%

Latest Quarter Activity · Q4 2025

Frequently Asked Questions

How many institutions hold RIO TINTO PLC?
RIO TINTO PLC is held by 10 institutional investors per the latest SEC Form 13F filings as of Q4 2025.
Where does RIO TINTO PLC sit among tracked securities?
According to SEC Form 13F-HR filings in this corpus, RIO TINTO PLC ranks #449 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. The ordinal is recomputed live among securities with ≥5 reporting holders. See /methodology/#corpus-placement.
What is the total institutional value of RIO TINTO PLC?
Institutions report $9.8M of RIO TINTO PLC as of Q4 2025.
How concentrated is ownership of RIO TINTO PLC?
The top five institutional holders account for 98% of the reported institutional value in RIO TINTO PLC, making ownership dominated by its top few institutional owners.
Who is the largest institutional holder of RIO TINTO PLC?
SSA SWISS ADVISORS AG is the largest reported holder of RIO TINTO PLC with $3.9M across 48,382 shares as of Q4 2025.

Nationwide stocks with similar institutional value or holder count

Two 13F-derived peer sets for RIO TINTO PLC: nearest aggregate reported value and nearest institutional holder count, not catalog browse links.

Similar reported value

Nearest stocks by aggregate 13F reported value ($9.8M here).

Similar holder count

Nearest stocks by number of disclosing 13F holders (10 here).

Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.

PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-16.