TransAlta Corporation (TAC)
NYSE: TAC · Electric Services · Calgary, AB · filing with the SEC since 2001
Who owns TransAlta Corporation
As filed with the SECHolders of 5% or more
4
Brookfield Corporation holds 9% of Common Shares, no par value, as its SCHEDULE 13D/A filed Jan 8, 2025 says.
Directors and officers
0
report now, of 0 people on the record since . Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Brookfield Corporation
SCHEDULE 13D/A · filed Jan 8, 2025 · Common Shares, no par value
Royal Bank of Canada
SCHEDULE 13G/A · filed Feb 13, 2026 · Common Stock · 8.77% in Feb 12, 2025
Bank of Montreal
SCHEDULE 13G · filed May 13, 2026 · COMMON STOCK
Rubric Capital Management LP
SCHEDULE 13G · filed Jul 9, 2025 · Common Shares, no par value
Bank of Nova Scotia
SCHEDULE 13G/A · filed Oct 7, 2025 · Common Stock · reported falling below 5%, from 5.55% in May 7, 2025
Fmr LLC
SCHEDULE 13G/A · filed May 6, 2026 · COMMON STOCK · reported falling below 5%, from 8% in Feb 5, 2026
Millennium Management LLC
SCHEDULE 13G/A · filed Nov 14, 2025 · Common Shares, no par value · reported falling below 5%, from 5.8% in Apr 15, 2025
Goldman Sachs Group Inc.
SCHEDULE 13G/A · filed Nov 13, 2025 · Common Shares · reported falling below 5%, from 5.5% in Aug 14, 2025
What TAC reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Kent Hills Wind L.P.
An entity · subsidiary · owns, named in the 40-F filed Feb 27, 2026
TransAlta Cogeneration L.P.
An entity · subsidiary · owns, named in the 40-F filed Feb 27, 2026
TransAlta OCP
An entity · subsidiary · owns, named in the 40-F filed Feb 27, 2026
Skookumchuck Wind Energy Project, LLC
An investee · joint venture · invested in, named in the 40-F filed Feb 27, 2026
TransAlta Renewables, Inc.
A company bought · acquisition · owns, named in the 40-F filed Feb 27, 2026
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
No open-market trade is on the record for these years.
Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.