RIO — RIO TINTO PLC-SPON ADR

Ownership history in TLS Advisors LLC  ·  10 quarters on record

AI Ownership Summary

TLS Advisors LLC reported RIO TINTO PLC-SPON ADR (RIO) in 10 quarterly 13F filings from 2023 Q3 through 2025 Q4. Peak portfolio weight reached 17.01% in 2024 Q2. The latest visible filing shows RIO at 15.45% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this RIO ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was TLS Advisors LLC's position in RIO TINTO PLC-SPON ADR, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

RIO was reported at 15.45% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
17.01% in 2024 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q3 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

RIO stock page TLS Advisors LLC fund profile TLS Advisors LLC full holdings
How TLS Advisors LLC held RIO — position size vs. price
% of Fund (quarterly)    RIO price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 73,592 +2,270 +3.2% 15.45% $5.9M 2026-02-14 (Est.) $95.40
2025 Q3 UNCHANGED 71,322 — 0% 13.68% $4.7M 2025-11-04 $66.04
2025 Q2 REDUCED 71,322 -46,778 -39.6% 12.98% $4.2M 2025-08-13 $60.38
2025 Q1 ADDED 118,100 +15,000 +14.5% 16.02% $7.1M 2025-05-12 $58.33
2024 Q4 UNCHANGED 103,100 — 0% 13.86% $6.1M 2025-02-12 $56.85
2024 Q3 UNCHANGED 103,100 — 0% 15.50% $7.3M 2024-11-12 $56.08
2024 Q2 UNCHANGED 103,100 — 0% 17.01% $6.8M 2024-08-07 $55.69
2024 Q1 ADDED 103,100 +78,800 +324.3% 15.30% $6.6M 2024-05-07 $62.37
2023 Q4 ADDED 24,300 +8,100 +50.0% 6.00% $1.8M 2024-02-14 $57.36
2023 Q3 INITIATED 16,200 — — 4.17% $1.0M 2023-11-16 $57.85

🏢 Other funds also holding RIO

As of 2025 Q4 — sorted by position size

Palliser Capital (UK) Ltd 3Y 65.83% MANGROVE PARTNERS IM, LLC 3Y 7Y 6.51% Foresight Global Investors, Inc. 6.42% Catalyst Funds Management Pty Ltd 5.6% SPX Gestao de Recursos Ltda 3Y 7Y 3.83% MORGAN DEMPSEY CAPITAL MANAGEMENT LLC 3Y 7Y 2.07% Impala Asset Management LLC 3Y 7Y 2.03% Kapitalo Investimentos Ltda 1.96% SSA SWISS ADVISORS AG 1.8% TODD ASSET MANAGEMENT LLC 3Y 7Y 1.69%

FAQ About TLS Advisors LLC and RIO

These are the practical questions this page is built to answer before you even open the full history table.

How long has TLS Advisors LLC reported owning RIO?

TLS Advisors LLC reported RIO across 10 quarterly 13F filings, from 2023 Q3 through 2025 Q4.

What was the largest reported RIO position in TLS Advisors LLC's portfolio?

The largest reported portfolio weight for RIO was 17.01% in 2024 Q2.

What is the latest reported RIO position on this page?

The most recent filing on this page is 2025 Q4, when TLS Advisors LLC reported 73,592 shares, equal to 15.45% of portfolio, with an estimated market value of $5.9M.

What does the chart on this RIO ownership page compare?

The chart compares TLS Advisors LLC's quarterly RIO portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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