As of November 6, 2026, 3 holders' latest Schedule 13D or 13G filings report owning 5% or more of International Battery Metals Ltd. The largest reported stake is Jacob Aaron Warnock's, at 70.1%. 6 filings are on record since February 2, 2026 (Schedule 13D/A, April 30, 2026).
Who owns International Battery Metals Ltd.?
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Key facts
- · Holder: Triomphe Partners LLC · Percent: 5.4% · SCHEDULE 13G
- · Holder: Jacob Aaron Warnock · Percent: 70.1% · SCHEDULE 13D/A
- · Holder: Jacob Aaron Warnock · Percent: 45.1% · SCHEDULE 13D/A
- · Holder: Jacob Aaron Warnock · Percent: 57.1% · SCHEDULE 13D/A
- · Holder: Jacob Aaron Warnock · Percent: 45.1% · SCHEDULE 13D
International Battery Metals Ltd. has 6 Schedule 13D or 13G filings on record since 2026-02-02. 3 holders' latest filing reports 5% or more of common shares, no par value. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| 70.1% | 264,383,217 | SCHEDULE 13D/A, 2026-04-30 | 2026-04-29 | |
| Encompass Capital Advisors LLC | 19.99% | 103,777,316 | SCHEDULE 13G, 2026-02-02 | 2026-01-30 |
| Triomphe Partners LLC | 5.4% | 18,568,831 | SCHEDULE 13G, 2026-05-15 | 2026-03-31 |
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More on International Battery Metals Ltd. and the records around it.
International Battery Metals Ltd. elsewhere on the record
- Leadership changes Aug 2026
- Who owns it
Companies that share a holder
- Encompass Capital Advisors LLC also filed stake reports on 18 other companies: Sable Offshore Corp. (Oct 2026), EagleRock Land, LLC (Aug 2026), HMH Holding Inc. (Aug 2026)
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Purpose of Transaction (Item 4)
Jacob Aaron Warnock
Except as set forth herein, the Reporting Persons do not have any plans or proposals which relate to, or could result in, any of the matters referred to in paragraphs (a) through (j), inclusive, of the instructions to Item 4 of Schedule 13D. Each Reporting Person may, at any time and from time to time, review, reconsider and/or change his or its position or purpose or formulate different plans or proposals with respect thereto. At any time and from time to time, each Reporting Persons may, in connection with monitoring and evaluating his or its investment in the Company, and after giving consideration to, among other things, any communications about the Company, market conditions, contractual restrictions, legal restrictions, and/or other conditions, formulate a plan, proposal or other course of action which may relate to or result in, among other things and without limitation: (i) the purchase of additional Common Shares, warrants or related derivatives in the open market, in privately negotiated transactions or otherwise; (ii) the sale of all or a portion of the Common Shares, warrants or related derivatives now beneficially owned or hereafter acquired by such Reporting Person; (iii) seeking to influence the present board of directors of the Company (the "Board") or management of the Company, including but not limited to with respect to the business and affairs of the Company; or (vi) any of the other matters referred to in the instructions to Item 4 of Schedule 13D. Each …The first part of Item 4 of the SCHEDULE 13D/A filed 2026-04-30; the filing has the rest
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2026-02-02 | Encompass Capital Advisors LLC | 19.99% | SCHEDULE 13G |
| 2026-02-06 | Jacob Aaron Warnock | 45.1% | SCHEDULE 13D |
| 2026-02-25 | Jacob Aaron Warnock | 45.1% | SCHEDULE 13D/A |
| 2026-02-25 | Jacob Aaron Warnock | 57.1% | SCHEDULE 13D/A |
| 2026-04-30 | Jacob Aaron Warnock | 70.1% | SCHEDULE 13D/A |
| 2026-05-15 | Triomphe Partners LLC | 5.4% | SCHEDULE 13G |
Questions about who owns International Battery Metals Ltd.
Who owns International Battery Metals Ltd.?
On this page, 3 holders' latest ownership filings report 5% or more of International Battery Metals Ltd.: Jacob Aaron Warnock (70.1%, Schedule 13D/A, filed 2026-04-30), Encompass Capital Advisors LLC (19.99%, Schedule 13G, filed 2026-02-02) and Triomphe Partners LLC (5.4%, Schedule 13G, filed 2026-05-15).
Who are the largest shareholders of International Battery Metals Ltd.?
By the share each holder's latest filing reports, the largest holders of International Battery Metals Ltd. on this page are Jacob Aaron Warnock (70.1%), Encompass Capital Advisors LLC (19.99%) and Triomphe Partners LLC (5.4%).
When did Jacob Aaron Warnock buy into International Battery Metals Ltd.?
The filings give report dates, not purchase dates. The earliest filing from Jacob Aaron Warnock on this page is the Schedule 13D, filed 2026-02-06, reporting 45.1%; its latest, Schedule 13D/A filed 2026-04-30, reports 70.1%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 6 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
Also on the record for International Battery Metals Ltd.
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| October 27, 2026 | Leadership change: Donald E. Bender appointed, Chief Executive Officer | — | Leadership changes | Source |
| August 12, 2026 | Leadership change: Scott Colangelo appointed, Director, and 1 more | — | Leadership changes | Source |
| July 27, 2026 | Leadership change: Joseph Mills departs, Chief Executive Officer, and 1 more | — | Leadership changes | Source |
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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.