TRANSALTA CORP (TAC) Stock Institutional Trading Activity


TRANSALTA CORP (TAC) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Oaktree Capital Management, First Eagle U.S. Value, Causeway Capital Management, and Fairfax Financial Holdings. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCBuy180,9951,210,995$15,306,977
Q3 2025First Eagle U.S. ValueBuy12415,474$211,321
Q3 2025Renaissance Technologies LLCSell-357,4001,030,000$14,080,100
Q3 2025Oaktree Capital ManagementBuy330,0006,415,253$87,648,382
Q2 2025First Eagle U.S. ValueSell-3,90315,350$165,696
Q2 2025Renaissance Technologies LLCSell-609,1001,387,400$14,970,046
Q2 2025Oaktree Capital ManagementBuy500,0006,085,253$65,512,910
Q1 2025First Eagle U.S. ValueBuy16319,253$179,709
Q1 2025Renaissance Technologies LLCBuy303,2001,996,500$18,667,275
Q1 2025Oaktree Capital ManagementBuy5,585,2535,585,253$52,117,386
Q4 2024First Eagle U.S. ValueBuy19,09019,090$269,644
Q4 2024Renaissance Technologies LLCSell-37,1001,693,300$23,960,195
Q3 2024Causeway Capital ManagementBuy200,640223,983$2,324,469
Q3 2024Renaissance Technologies LLCSell-40,1111,730,400$17,926,944
Q2 2024Causeway Capital ManagementBuy23,34323,343$165,475
Q2 2024Renaissance Technologies LLCSell-574,9891,770,511$12,535,218
Q1 2024Renaissance Technologies LLCBuy335,1592,345,500$15,079
Q4 2023Renaissance Technologies LLCSell-372,6002,010,341$16,709
Q3 2023Renaissance Technologies LLCBuy334,4702,382,941$20,740
Q2 2023Renaissance Technologies LLCBuy149,4302,048,471$19,175
Q1 2023Renaissance Technologies LLCSell-296,5001,899,041$16,616
Q4 2022Renaissance Technologies LLCSell-188,8002,195,541$19,689
Q3 2022Renaissance Technologies LLCBuy35,8412,384,341$21,056
Q2 2022Renaissance Technologies LLCSell-321,8412,348,500$26,773
Q1 2022Renaissance Technologies LLCBuy399,1412,670,341$27,667
Q4 2021Renaissance Technologies LLCSell-20,7492,271,200$25,256
Q3 2021Renaissance Technologies LLCSell-1,087,5922,291,949$24,203
Q2 2021Renaissance Technologies LLCBuy1,052,5003,379,541$33,696
Q1 2021Renaissance Technologies LLCSell-1,320,4002,327,041$22,014
Q4 2020Renaissance Technologies LLCBuy508,5003,647,441$27,665

Frequently asked questions about TAC activity

  • Which institutional owners are buying TAC?

    Institutional owners buying TAC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in TAC activity?

    "Buy" means an investor increased their reported position in TAC compared to the prior reporting period. This reflects growing exposure to TRANSALTA CORP (TAC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in TAC increasing?

    Institutional interest in TAC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.