Transalta Corp
TAC- Exchange
- NYSE
- Industry
- Electric Services
- SEC CIK
- 0001144800
No open-market purchases or sales by Transalta Corp insiders were filed in the last 90 days; 176 institutions reported holding it in 13F filings for Q2 2026, worth $3.31B in total; Oaktree Capital is the only superinvestor holding it.
Holders of 5% or more of TAC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Transalta Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Brookfield Asset Management Inc. | 13D/A | 9.00%26.9M shares | – | Jan 8, 20251 filing | Jan 8, 2025 | SEC |
| FMR LLC | 13G/A | 8.00%23.7M shares | −2.90 ppfrom 10.90% | Aug 6, 20254 filings | Feb 5, 2026 | SEC |
| Royal Bank of Canada | 13G/A | 7.74%23.0M shares | −1.03 ppfrom 8.77% | Feb 12, 20252 filings | Feb 13, 2026 | SEC |
| Rubric Capital Management LP | 13G | 5.38%15.9M shares | New | Jul 9, 20251 filing | Jul 9, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
15 Schedule 13D and 13G filings on Transalta Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 13, 20262:11 PM ET | Royal Bank of Canada | 13G/A | 7.74%23.0M shares | −1.03 ppfrom 8.77% | Dec 31, 2025 | SEC |
| Feb 5, 20261:40 PM ET | FMR LLCand 1 other | 13G/A | 8.00%23.7M shares | −2.90 ppfrom 10.90% | Dec 31, 2025 | SEC |
| Nov 14, 20254:00 PM ET | Millennium Management LLCand 3 others | 13G/A | 4.40%13.1M shares | −1.40 ppfrom 5.80%Below 5% | Sep 30, 2025 | SEC |
| Nov 13, 20252:46 PM ET | Goldman Sachs Group Incand 1 other | 13G/A | 2.40%7.05M shares | −3.10 ppfrom 5.50%Below 5% | Sep 30, 2025 | SEC |
| Nov 7, 202511:13 AM ET | FMR LLCand 1 other | 13G/A | 10.90%32.2M shares | +3.30 ppfrom 7.60% | Oct 31, 2025 | SEC |
| Nov 5, 202511:49 AM ET | FMR LLCand 1 other | 13G/A | 7.60%22.6M shares | +1.90 ppfrom 5.70% | Sep 30, 2025 | SEC |
| Oct 7, 20254:22 PM ET | Bank of Nova Scotia | 13G/A | 4.67%13.9M shares | −0.88 ppfrom 5.55%Below 5% | Sep 30, 2025 | SEC |
| Aug 14, 202511:53 AM ET | Goldman Sachs Group Incand 1 other | 13G | 5.50%16.4M shares | New | Jun 30, 2025 | SEC |
| Aug 6, 202512:14 PM ET | FMR LLCand 1 other | 13G | 5.70%16.9M shares | New | Jun 30, 2025 | SEC |
| Jul 9, 20254:04 PM ET | Rubric Capital Management LPand 1 other | 13G | 5.38%15.9M shares | New | Jun 30, 2025 | SEC |
| May 7, 20255:51 PM ET | Bank of Nova Scotia | 13G | 5.55%16.5M shares | New | Mar 31, 2025 | SEC |
| Apr 15, 20254:07 PM ET | Millennium Management LLCand 3 others | 13G/A | 5.80%17.4M shares | +0.70 ppfrom 5.10% | Apr 9, 2025 | SEC |
| Feb 25, 20254:11 PM ET | Millennium Management LLCand 2 others | 13G | 5.10%15.2M shares | New | Feb 19, 2025 | SEC |
| Feb 12, 20253:26 PM ET | Royal Bank of Canada | 13G/A | 8.77%26.2M shares | – | Dec 31, 2024 | SEC |
| Jan 8, 20256:16 PM ET | Brookfield Asset Management Inc.and 9 others | 13D/A | 9.00%26.9M shares | – | Jan 6, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Transalta Corp shares.
No Form 144 notices for Transalta Corp are on file.