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TransAlta (TAC) Institutional Ownership

TransAlta logo
$12.80 +0.20 (+1.55%)
Closing price 08/14/2026 03:59 PM Eastern
Extended Trading
$12.80 0.00 (-0.04%)
As of 08/14/2026 07:34 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for TransAlta (NYSE:TAC)

Current
Institutional Ownership
Percentage
59.00%
Number of
Institutional Buyers
(last 12 months)
98
Total
Institutional Inflows
(last 12 months)
$588.60M
Number of
Institutional Sellers
(last 12 months)
64
Total
Institutional Outflows
(last 12 months)
$237.23M
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TAC Institutional Buying and Selling by Quarter

TransAlta Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/15/2026Man Group plc1,419,091$19.63M0.0%N/A0.449%
8/15/2026Polar Asset Management Partners Inc.250,000$3.45M0.1%N/A0.079%
8/15/2026Jupiter Topco LLC104,287$1.43M0.0%N/A0.033%
8/14/2026Legal & General Group Plc269,484$3.73M0.0%N/A0.085%
8/14/2026The Manufacturers Life Insurance Company 290,774$4.02M0.0%N/A0.092%
8/13/2026 Cibc World Market Inc.2,300,636$31.80M0.1%N/A0.728%
8/13/2026 Connor Clark & Lunn Investment Management Ltd.1,058,999$14.64M0.0%N/A0.335%
8/13/2026 Clear Harbor Asset Management LLC40,700$563K0.0%N/A0.013%
8/13/2026 Bank of Nova Scotia2,049,412$28.35M0.0%N/A0.649%
8/12/2026 Quantbot Technologies LP109,555$1.52M0.1%N/A0.035%
8/12/2026 Periscope Capital Inc.22,000$304.22M0.0%N/A0.007%
8/10/2026 Tacita Capital Inc222,601$3.07M1.7%N/A0.070%
8/7/2026 BlackRock Inc.206,397$2.85M0.0%N/A0.065%
8/7/2026 Deutsche Bank AG20,392$282K0.0%N/A0.006%
8/7/2026 Persistent Asset Partners Ltd2,085$29K0.0%N/A0.001%
8/6/2026 Alberta Investment Management Corp70,852$979K0.0%N/A0.022%
8/3/2026 Walleye Capital LLC61,050$844K0.0%N/A0.019%
7/8/2026 PensionDanmark Pensionsforsikringsaktieselskab40,527$560K0.0%+130.8%0.013%
5/19/2026Bank of America Corp DE7,957,029$104.24M0.0%-27.8%2.672%
5/18/2026Value Aligned Research Advisors LLC2,596,273$34.13M0.2%N/A0.872%
5/18/2026 EverSource Wealth Advisors LLC4,642$61K0.0%+54.7%0.002%
5/18/2026Royal Bank of Canada25,307,692$331.53M0.1%-0.5%8.498%
5/16/2026The Manufacturers Life Insurance Company279,817$3.68M0.0%-2.1%0.094%
5/16/2026BROOKFIELD Corp ON26,954,624$354.27M0.5%+0.0%9.051%
5/15/2026Sculptor Capital LP533,600$7.00M0.1%-82.2%0.179%
5/14/2026 Renaissance Technologies LLC1,428,195$18.71M0.0%+17.9%0.480%
5/14/2026 Arrowstreet Capital Limited Partnership415,048$5.45M0.0%N/A0.139%
5/14/2026 Bank of Nova Scotia1,338,554$17.60M0.0%+23.8%0.449%
5/14/2026 State of Wyoming5,206$68K0.0%-80.8%0.002%
5/7/2026 Dimensional Fund Advisors LP1,629,540$21.34M0.0%+6.0%0.547%
4/29/2026 Sage Rhino Capital LLC11,078$145K0.0%+8.7%0.004%
4/27/2026 Private Advisor Group LLC34,000$445K0.0%-6.5%0.011%
4/22/2026 Pictet Asset Management Holding SA58,504$767K0.0%+19.6%0.020%
4/20/2026 Cardinal Point Capital Management ULC182,660$2.40M0.1%+8.5%0.061%
3/20/2026 Purpose Unlimited Inc.509,253$6.44M0.3%N/A0.172%
3/3/2026 Caitong International Asset Management Co. Ltd6,900$87K0.0%N/A0.002%
2/23/2026 Virtu Financial LLC11,626$147K0.0%N/A0.004%
2/19/2026Invesco Ltd.534,715$6.76M0.0%-26.5%0.180%
2/18/2026 Vident Advisory LLC71,703$906K0.0%-6.2%0.024%
2/18/2026 Mackenzie Financial Corp3,613,617$45.66M0.1%-19.0%1.217%
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2/18/2026XTX Topco Ltd32,786$414K0.0%-58.6%0.011%
2/18/2026Yaupon Capital Management LP1,290,906$16.33M0.6%-7.4%0.435%
2/18/2026Tudor Investment Corp ET AL404,429$5.11M0.0%+2,821.5%0.136%
2/18/2026Twinbeech Capital LP33,224$420K0.0%N/A0.011%
2/18/2026Potrero Capital Research LLC1,724,544$21.80M7.3%-31.5%0.581%
2/18/2026Man Group plc2,098,053$26.52M0.0%+159.9%0.707%
2/18/2026Investment Management Corp of Ontario32,401$410K0.0%N/A0.011%
2/18/2026Engineers Gate Manager LP34,849$440K0.0%N/A0.012%
2/18/2026First Manhattan CO. LLC.793,222$10.06M0.0%-7.3%0.267%
2/18/2026Clayton Partners LLC629,572$7.96M5.6%-9.2%0.212%
2/18/2026 Ardsley Advisory Partners LP180,000$2.28M0.2%+56.5%0.061%
2/18/2026AYAL Capital Advisors Ltd25,600$324K0.1%-94.4%0.009%
2/17/2026Schonfeld Strategic Advisors LLC81,011$1.02M0.0%N/A0.027%
2/17/2026Ritter Alpha LP10,389$131K5.6%N/A0.003%
2/17/2026 Guardian Partners Inc.72,055$903K0.1%-1.3%0.024%
2/17/2026Westerly Capital Management LLC805,000$10.18M2.2%-10.6%0.271%
2/17/2026Trexquant Investment LP69,002$872K0.0%-74.8%0.023%
2/17/2026BTG Pactual Asset Management US LLC186,980$2.37M0.2%+263.2%0.063%
2/17/2026Public Employees Retirement System of Ohio92,264$1.17M0.0%-14.7%0.031%
2/17/2026 Russell Investments Group Ltd.22,862$290K0.0%+339.6%0.008%
2/17/2026Lombard Odier Asset Management USA Corp74,625$944K0.1%-56.4%0.025%
2/16/2026Squarepoint Ops LLC18,348$232K0.0%-76.1%0.006%
2/16/2026Sculptor Capital LP3,000,000$37.96M0.4%N/A1.011%
2/16/2026 Vanguard Personalized Indexing Management LLC40,546$513K0.0%+4.7%0.014%
2/16/2026Verition Fund Management LLC227,121$2.87M0.0%+200.7%0.077%
2/16/2026 Mariner LLC102,819$1.30M0.0%+13.6%0.035%
2/16/2026 Healthcare of Ontario Pension Plan Trust Fund700,000$8.86M0.0%N/A0.236%
2/16/2026 Entropy Technologies LP23,977$303K0.0%N/A0.008%
2/16/2026Barclays PLC8,519$108K0.0%-96.9%0.003%
2/16/2026Aigen Investment Management LP31,298$396K0.1%N/A0.011%
2/13/2026The Manufacturers Life Insurance Company 285,840$3.62M0.0%-5.2%0.096%
2/13/2026BROOKFIELD Corp ON 26,947,535$340.62M0.4%+0.0%9.078%
2/13/2026 CANADA LIFE ASSURANCE Co32,304$408K0.0%-5.1%0.011%
2/13/2026Bridgewater Associates LP56,152$711K0.0%-38.5%0.019%
2/13/2026Rubric Capital Management LP17,781,325$224.76M2.7%+11.5%5.990%
2/13/2026Hudson Bay Capital Management LP211,562$2.67M0.0%N/A0.071%
2/13/2026 Bank of Nova Scotia1,081,198$13.67M0.0%-12.4%0.364%
2/13/2026 Public Sector Pension Investment Board15,360$194K0.0%N/A0.005%
2/13/2026Rokos Capital Management LLP2,293,069$29.00M0.1%-16.9%0.772%
2/13/2026Charles Schwab Investment Management Inc.894,124$11.32M0.0%-0.5%0.301%
2/13/2026 State Street Corp1,183,363$15.01M0.0%-4.2%0.399%
2/13/2026Van ECK Associates Corp44,848$567K0.0%-23.0%0.015%
2/13/2026 Dynamic Technology Lab Private Ltd32,810$415K0.1%+82.6%0.011%
2/13/2026 Caitong International Asset Management Co. Ltd2,942$37K0.1%N/A0.001%
2/13/2026Van Lanschot Kempen Investment Management N.V.244,856$3.10M0.0%+9.1%0.082%
2/12/2026 Northwest & Ethical Investments L.P.30,172$382K0.0%+29.3%0.010%
2/12/2026Federation des caisses Desjardins du Quebec535,816$6.77M0.0%-31.1%0.181%
2/12/2026Orion Porfolio Solutions LLC26,133$330K0.0%+37.7%0.009%
2/12/2026 Renaissance Technologies LLC1,210,995$15.31M0.0%+17.6%0.408%
2/12/2026 Dimensional Fund Advisors LP1,537,875$19.44M0.0%+6.7%0.518%
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2/12/2026 Campbell & CO Investment Adviser LLC88,622$1.12M0.1%N/A0.030%
2/12/2026 Bank of Montreal Can13,295,335$168.16M0.1%+27.5%4.479%
2/12/2026 Swiss National Bank557,700$7.07M0.0%+2.4%0.188%
2/11/2026 Fox Run Management L.L.C.51,078$646K0.1%N/A0.017%
2/11/2026 Franklin Resources Inc.57,254$724K0.0%+215.3%0.019%
2/11/2026 CenterBook Partners LP377,942$4.78M0.2%+401.4%0.127%
2/11/2026 JPMorgan Chase & Co.595,012$7.52M0.0%+493.1%0.200%
2/11/2026 Tacita Capital Inc208,307$2.64M1.5%-5.0%0.070%
2/11/2026 State of Wyoming27,057$342K0.0%+33.7%0.009%
2/10/2026 TD Asset Management Inc909,411$11.52M0.0%+3.6%0.306%


TAC Institutional Ownership - Frequently Asked Questions

During the previous two years, 199 institutional investors and hedge funds held shares of TransAlta. The most heavily invested institutionals were BROOKFIELD Corp ON ($354.27M), Royal Bank of Canada ($331.53M), Periscope Capital Inc. ($304.22M), Rubric Capital Management LP ($224.76M), Bank of Montreal Can ($168.16M), Millennium Management LLC ($153.81M), and Vanguard Group Inc. ($140.69M).Learn more on TransAlta's institutional investors.

59.00% of TransAlta's stock is owned by institutional investors. Learn more on TAC's institutional investor holdings.

Of the 171 institutional investors that purchased TransAlta's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Millennium Management LLC ($10.96M), Connor Clark & Lunn Investment Management Ltd. ($7.97M), Rubric Capital Management LP ($6.72M), AustralianSuper Pty Ltd ($5.33M), Bank of Montreal Can ($4.96M), Artisan Partners Limited Partnership ($4.75M), and American Century Companies Inc. ($4.42M).

Institutional investors have bought a total of 44,416,994 shares in the last 24 months. This purchase volume represents approximately $588.60M in transactions.

Of the 62 institutional investors that sold TransAlta's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Bank of America Corp DE ($3.41M), Sculptor Capital LP ($2.47M), Goldman Sachs Group Inc. ($1.89M), UBS Group AG ($1.65M), Mackenzie Financial Corp ($1.39M), Potrero Capital Research LLC ($794.40K), and CenterBook Partners LP ($700.08K).

Institutional investors have sold a total of 18,243,239 shares in the last 24 months. This volume of shares sold represents approximately $237.23M in transactions.


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Institutional ownership data for NYSE:TAC is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/15/2026. New 13F filings are added each quarter as they're published.
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