As of November 6, 2026, one holder's latest Schedule 13D or 13G filing report owning 5% or more of Western Copper and Gold Corporation. The largest reported stake is Rio Tinto plc's, at 8.42%. One filing is on record since April 1, 2026 (Schedule 13D/A, April 1, 2026).
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Key facts
- · Reporting person: Rio Tinto plc · Sole voting: 0 · Shared voting: 19,004,925 · Sole dispositive: 0 · Shared dispositive: 19,004,925 · SCHEDULE 13D/A, 2026-04-01
- · Reporting person: Rio Tinto Canada Inc. · Sole voting: 0 · Shared voting: 19,004,925 · Sole dispositive: 0 · Shared dispositive: 19,004,925 · SCHEDULE 13D/A, 2026-04-01
- · Holder: Rio Tinto plc · Percent: 8.42% · SCHEDULE 13D/A
- · Holder: Rio Tinto plc · Percent: 8.42% · Shares: 19,004,925 · SCHEDULE 13D/A
Western Copper and Gold Corporation has 1 Schedule 13D or 13G filing on record since 2026-04-01. 1 holder's latest filing reports 5% or more of common shares, without par value. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| Rio Tinto plc | 8.42% | 19,004,925 | SCHEDULE 13D/A, 2026-04-01 | 2026-03-26 |
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What the Full Report on Western Copper and Gold Corporation covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Rio Tinto plc | 0 | 19,004,925 | 0 | 19,004,925 | SCHEDULE 13D/A, 2026-04-01 |
| Rio Tinto Canada Inc. | 0 | 19,004,925 | 0 | 19,004,925 | SCHEDULE 13D/A, 2026-04-01 |
The latest filing identifies Western Copper and Gold Corporation by CUSIP 95805V108 and gives its principal executive office as Suite 907 - 1030 West Georgia Street, Vancouver (SCHEDULE 13D/A, 2026-04-01).
Purpose of Transaction (Item 4)
Rio Tinto plc
Item 4 of the Original Schedule 13D is hereby amended and supplemented by adding the following information: The Company discloses the number of its issued and outstanding Common Shares on a quarterly basis. On March 26, 2026, the Company filed its Form 40-F with the Securities and Exchange Commission including as an Exhibit the Company's Annual Information Form for the year ended Dember 31, 2025. The Annual Information Form disclosed on page 26 that "[a]s of March 25, 2026, the Company had 225,628,684 Common Shares issued and outstanding."Item 4 of the SCHEDULE 13D/A filed 2026-04-01
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2026-04-01 | Rio Tinto plc | 8.42% | SCHEDULE 13D/A |
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.