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Dimensional Fund Advisors Ltd. : Form 8.3 - RIO TINTO PLC - Ordinary Shares

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GLNCYRIOBHP
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FORM 8.3 PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY A PERSON WITH INTERESTS IN RELEVAN...

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AI Summary

Dimensional Fund Advisors disclosed a 0.37% stake in RIO. The disclosure is under Rule 8.3 of the takeover code. Shares amount to 4,604,521. RIO shares mentioned in relation to Glencore. Recent purchase of RIO ADRs indicates ongoing investment interest. No short positions disclosed, indicating a bullish sentiment.

Sentiment Rationale

The purchasing activity and stake development by Dimensional suggests confidence in RIO. Historical precedents show that institutional holdings often lead to positive price movements.

Trading Thesis

Investors may react quickly to institutional disclosures, potentially driving the price up shortly. Prominent investment activity often influences market sentiment rapidly.

Market-Moving

  • Dimensional Fund Advisors disclosed a 0.37% stake in RIO.
  • The disclosure is under Rule 8.3 of the takeover code.
  • Shares amount to 4,604,521. RIO shares mentioned in relation to Glencore.

Key Facts

  • Dimensional Fund Advisors disclosed a 0.37% stake in RIO.
  • The disclosure is under Rule 8.3 of the takeover code.
  • Shares amount to 4,604,521. RIO shares mentioned in relation to Glencore.
  • Recent purchase of RIO ADRs indicates ongoing investment interest.
  • No short positions disclosed, indicating a bullish sentiment.

Companies Mentioned

  • GLNCY (GLNCY)
  • RIO (RIO)
  • BHP (BHP)

Corporate Developments

The institutional stake reveals confidence, likely influencing market psychology regarding RIO. Reports of significant holdings can encourage retail investors.

Dimensional Fund Advisors Ltd. Discloses Position in Rio Tinto PLC

On January 13, 2026, Dimensional Fund Advisors Ltd. announced its public opening position regarding relevant securities of Rio Tinto PLC (stock symbol: RIO). The disclosure is in compliance with Rule 8.3 of the Takeover Code, which mandates that entities holding a significant interest in a company publicly disclose their positions.

Key Information on the Disclosure

Dimensional Fund Advisors Ltd., acting on behalf of its affiliates, clearly stated that it disclaims beneficial ownership of the shares detailed in this disclosure. Here are the key details:

  • Full name of discloser: Dimensional Fund Advisors Ltd.
  • Name of offeror: Rio Tinto PLC
  • Date position held: January 12, 2026
  • Other parties disclosed: Rio Tinto Ltd, Glencore PLC

Positions Held by Dimensional Fund Advisors

As of the latest reporting date, Dimensional Fund Advisors holds the following interests in Rio Tinto PLC:

  • Ordinary Shares: 4,604,521 RIO ordinary shares, representing 0.37% of the total issued shares.
  • Cash-settled derivatives: None reported.
  • Stock-settled derivatives: None reported.

It is important to note that Dimensional Fund Advisors LP and its affiliates do not have discretion over voting decisions regarding 280,951 shares included in this total.

Recent Dealings Involving Rio Tinto Shares

During the recent period of activity, Dimensional Fund Advisors executed the following transactions pertaining to Rio Tinto PLC:

  • Purchases: Acquired 912 shares of Rio Tinto plc ADR at a price of 82.88 USD per share.
  • Transfer Out: Transferred -31,772 shares of 10p ordinary shares.

Additional Information and Regulations

There are no indemnities or other arrangements that would influence Dimensional’s dealings with the shares of Rio Tinto. Additionally, no other agreements or understandings exist that would affect voting rights or future transactions relating to Rio Tinto's securities.

The full disclosure was made public on January 13, 2026. For regulatory consultations, parties can contact the Panel’s Market Surveillance Unit at +44 (0)20 7638 0129.

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