TransAlta Corporation (TAC)
NYSE
Price as at 1 Oct 2026, 02:13 UTC. Quotes are delayed.
Fundamentals
Valuation and ratings
TransAlta Corporation trades at $12.08. We do not hold enough of the inputs to value this company with the confidence the estimate implies, so we publish no fair value for it rather than a number we would not defend.
About TransAlta Corporation
TransAlta Corporation engages in the development, production, and sale of electric energy. It operates through Hydro, Wind and Solar, Gas, Energy Transition, and Energy Marketing segments. The Hydro segment holds interest of approximately 922 megawatts (MW) located in Alberta and Canada. The Wind and Solar segment has a net ownership interest of approximately 2,587 MW located in Alberta, Canada, the Unites States, and Western Australia, as well as battery storage facilities. The Gas segment has a net ownership interest of approximately 4834 MW located in Alberta, Canada, the Unites States, and Western Australia. The Energy Transition segment has a net ownership interest of approximately 671 MW located in the United States, as well as operates the Skookumchuck hydro facility in Centralia. The Energy Marketing segment is involved in the trading of electricity, natural gas, and environmental products. TransAlta Corporation was founded in 1909 and is headquartered in Calgary, Canada.
Company profile, industry and headcount are as reported by our data provider and can lag a company's own filings by a reporting period. The annual report is the authority.
Super investor ownership
10 of the funds we track reported a position in their latest SEC 13F filing. Largest first:
- Israel Englander, MILLENNIUM MANAGEMENT LLC$144.06M · 0.1% of book
- Ken Griffin, CITADEL ADVISORS LLC$44.09M · 0.0% of book
- Howard Marks, OAKTREE CAPITAL MANAGEMENT LP$41.49M · 0.6% of book
- Arrowstreet Capital, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$23.39M · 0.0% of book
- Renaissance Technologies, RENAISSANCE TECHNOLOGIES LLC$18.29M · 0.0% of book
A word of warning on reading these figures: a 13F reports the market value of a holding, so a fund that traded nothing at all still appears to have sold when the price fell. We found 102 companies where the standard reading gives the opposite answer. Only the share count is honest.
Common questions
Which funds own TAC?
10 of the institutions we track reported a position in TAC in their most recent SEC 13F filing. A 13F is filed up to 45 days after quarter end, so it tells you what a fund held then, not what it holds now.
Where does SteadyShares get its TAC data?
Fundamentals for TAC come from company filings and exchange data, as listed on NYSE; institutional ownership comes from SEC 13F filings. The share price shown was last refreshed on 1 Oct 2026, 02:13 UTC and is delayed. Metrics we do not hold are left out of the page rather than estimated.
The full research page for TAC, with financial statements, ownership detail, peer comparison and alerts, is free inside the app.
Data from company filings, exchange quotes and SEC EDGAR 13F disclosures. Quotes are delayed. Metrics we do not have are left out rather than estimated. Educational information, not financial advice.