As of November 6, 2026, 3 holders' latest Schedule 13D or 13G filings report owning 5% or more of Transalta Corp. The largest reported stake is Royal Bank of Canada's, at 7.74%. 12 filings are on record since July 9, 2025 (Schedule 13G/A, February 13, 2026).
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Key facts
- · Reporting person: Bank of Montreal · Sole voting: 17,669,715 · Shared voting: 57,490 · Sole dispositive: 17,701,192 · Shared dispositive: 57,490 · SCHEDULE 13G, 2026-05-13
- · Reporting person: Fmr LLC · Sole voting: 13,450,075 · Shared voting: 0 · Sole dispositive: 13,600,626 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-05-06
- · Reporting person: Royal Bank of Canada · Sole voting: 0 · Shared voting: 22,956,719 · Sole dispositive: 0 · Shared dispositive: 22,956,719 · SCHEDULE 13G/A, 2026-02-13
- · Holder: Fmr LLC · Percent: 8% · SCHEDULE 13G/A
- · Holder: Millennium Management LLC · Percent: 4.4% · SCHEDULE 13G/A
Transalta Corp has 12 Schedule 13D or 13G filings on record since 2025-07-09. 3 holders' latest filing reports 5% or more of common stock. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| Royal Bank of Canada | 7.74% | 22,956,719 | SCHEDULE 13G/A, 2026-02-13 | 2025-12-31 |
| Bank of Montreal | 5.98% | 17,758,682 | SCHEDULE 13G, 2026-05-13 | 2026-03-31 |
| Rubric Capital Management LP | 5.38% | 15,948,151 | SCHEDULE 13G, 2025-07-09 | 2025-06-30 |
| Bank Of Nova Scotia | 4.67% | 13,865,341 | SCHEDULE 13G/A, 2025-10-07 | 2025-09-30 |
| Fmr LLC | 4.6% | 13,600,626 | SCHEDULE 13G/A, 2026-05-06 | 2026-03-31 |
| Millennium Management LLC | 4.4% | 13,115,689 | SCHEDULE 13G/A, 2025-11-14 | 2025-09-30 |
| The Goldman Sachs Group, Inc. | 2.4% | 7,054,299 | SCHEDULE 13G/A, 2025-11-13 | 2025-09-30 |
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More on Transalta Corp and the records around it.
Transalta Corp elsewhere on the record
Companies that share a holder
- Royal Bank of Canada also filed stake reports on 12 other companies: MakeMyTrip Ltd (Aug 2026), Brookfield Business Partners LP (May 2026), Brookfield Infrastructure Partners LP (May 2026)
- BANK OF NOVA SCOTIA also filed stake reports on 19 other companies: CENTRUS ENERGY CORP (Oct 2026), CLEANSPARK, INC. (Oct 2026), Haymaker Acquisition Corp V (Oct 2026)
- Rubric Capital Management LP also filed stake reports on 32 other companies: ARDELYX, INC. (Aug 2026), Enovis Corporation (Aug 2026), MeiraGTx Holdings plc (Aug 2026)
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Royal Bank of Canada | 0 | 22,956,719 | 0 | 22,956,719 | SCHEDULE 13G/A, 2026-02-13 |
| Bank of Montreal | 17,669,715 | 57,490 | 17,701,192 | 57,490 | SCHEDULE 13G, 2026-05-13 |
| Bank Of Montreal Holding Inc. | 8,725,878 | 57,490 | 8,757,355 | 57,490 | SCHEDULE 13G, 2026-05-13 |
| Bmo Nesbitt Burns Inc. Wealth Management | 4,714,482 | 39,740 | 4,745,959 | 39,740 | SCHEDULE 13G, 2026-05-13 |
| Bmo Nesbitt Burns Securities Ltd. | 0 | 0 | 31,477 | 0 | SCHEDULE 13G, 2026-05-13 |
| Bmo Private Investment Counsel Inc. | 3,668 | 0 | 3,668 | 0 | SCHEDULE 13G, 2026-05-13 |
| Bmo Asset Management Inc. | 4,710,814 | 0 | 4,710,814 | 0 | SCHEDULE 13G, 2026-05-13 |
| Bmo Nesbitt Burns Inc. | 4,011,396 | 17,750 | 4,011,396 | 17,750 | SCHEDULE 13G, 2026-05-13 |
| Fmr LLC | 13,450,075 | 0 | 13,600,626 | 0 | SCHEDULE 13G/A, 2026-05-06 |
| Abigail P. Johnson | 0 | 0 | 13,600,626 | 0 | SCHEDULE 13G/A, 2026-05-06 |
The latest filing identifies Transalta Corp by CUSIP 89346D107 and gives its principal executive office as TRANSALTA PLACE, 1400, 1100 - 1ST STREET S.E., CALGARY (SCHEDULE 13G, 2026-05-13).
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-07-09 | Rubric Capital Management LP | 5.38% | SCHEDULE 13G |
| 2025-08-06 | Fmr LLC | 5.7% | SCHEDULE 13G |
| 2025-08-14 | The Goldman Sachs Group, Inc. | 5.5% | SCHEDULE 13G |
| 2025-10-07 | Bank Of Nova Scotia | 4.67% | SCHEDULE 13G/A |
| 2025-11-05 | Fmr LLC | 7.6% | SCHEDULE 13G/A |
| 2025-11-07 | Fmr LLC | 10.9% | SCHEDULE 13G/A |
| 2025-11-13 | The Goldman Sachs Group, Inc. | 2.4% | SCHEDULE 13G/A |
| 2025-11-14 | Millennium Management LLC | 4.4% | SCHEDULE 13G/A |
| 2026-02-05 | Fmr LLC | 8% | SCHEDULE 13G/A |
| 2026-02-13 | Royal Bank of Canada | 7.74% | SCHEDULE 13G/A |
| 2026-05-06 | Fmr LLC | 4.6% | SCHEDULE 13G/A |
| 2026-05-13 | Bank of Montreal | 5.98% | SCHEDULE 13G |
Questions about who owns Transalta Corp
Who owns Transalta Corp?
On this page, 3 holders' latest ownership filings report 5% or more of Transalta Corp: Royal Bank of Canada (7.74%, Schedule 13G/A, filed 2026-02-13), Bank of Montreal (5.98%, Schedule 13G, filed 2026-05-13) and Rubric Capital Management LP (5.38%, Schedule 13G, filed 2025-07-09).
Who are the largest shareholders of Transalta Corp?
By the share each holder's latest filing reports, the largest holders of Transalta Corp on this page are Royal Bank of Canada (7.74%), Bank of Montreal (5.98%) and Rubric Capital Management LP (5.38%).
When did Royal Bank of Canada buy into Transalta Corp?
The filings give report dates, not purchase dates. The earliest filing from Royal Bank of Canada on this page is the Schedule 13G/A, filed 2026-02-13, reporting 7.74%. That earliest filing is itself an amendment, which updates an earlier report.
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%); 12 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.
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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.