Institutional shares held 208 Million
2.96M calls
984K puts
Total value of holdings $2.52B
$35.9M calls
$11.9M puts
Market Cap $3.28B
270,700,000 Shares Out.
Institutional ownership 76.8%
# of Institutions 199


Latest Institutional Activity in TAC

Top Purchases

Q2 2025
Royal Bank Of Canada Shares Held: 35.7M ($433M)
Q2 2025
Goldman Sachs Group Inc Shares Held: 11.9M ($144M)
Q2 2025
Rubric Capital Management LP Shares Held: 15.9M ($193M)
Q2 2025
Millennium Management LLC Shares Held: 18.2M ($221M)
Q2 2025
Citadel Advisors LLC Shares Held: 1.29M ($15.7M)

Top Sells

Q2 2025
Morgan Stanley Shares Held: 8.85M ($107M)
Q2 2025
Bank Of Montreal Shares Held: 9.06M ($110M)
Q2 2025
American Century Companies Inc Shares Held: 3.06M ($37M)
Q2 2025
Maplelane Capital, LLC Shares Held: 785K ($9.51M)
Q2 2025
Connor, Clark & Lunn Investment Management Ltd. Shares Held: 1.01M ($12.2M)

About TAC

TransAlta Corporation owns, operates, and develops a diverse fleet of electrical power generation assets in Canada, the United States, and Australia. It operates through four segments: Hydro, Wind and Solar, Gas, and Energy Transition. owns and operates hydro, wind and solar, natural gas-fired, and coal-fired facilities. The company also engages in wholesale trading of electricity and other energy-related commodities and derivatives; and related mining operations and natural gas pipeline operations. It serves municipalities, medium and large industries, businesses, and utility customers. The company was founded in 1909 and is headquartered in Calgary, Canada.


Insider Transactions at TAC

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
0 Shares
From 0 Insiders
Sell / Disposition
0 Shares
From 0 Insiders

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