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Disclosery

TAC TRANSALTA CORP

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COM (common), issuer CIK 1144800

171 managers (177 13F filers) reported a position in TAC shares at 2026-06-30, 236,915,571 shares in all. 30 filers opened a position and 29 filers sold out during the quarter.

Managers
171
13F filers
177
New
30
Added
70
Reduced
53
Sold out
29
Shares held by filers
236,915,571

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA28,204,092$390M0.07%+2,896,40013F-HRTimelineGroup
Brookfield Corp /ON/in group Brookfield Corp /ON/26,960,857$373M0.48%+6,23313F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/21,875,088$302M0.11%+4,160,53513F-HRTimelineGroup
Rubric Capital Management LP20,232,011$280M2.57%+2,450,68613F-HRTimeline
TORONTO DOMINION BANKin group TORONTO DOMINION BANK11,710,560$162M0.27%+7,129,67313F-HRTimelineGroup
VANGUARD GROUP INCgroup of 6 filers holding11,433,787$158M+151,788Timeline
MORGAN STANLEYin group MORGAN STANLEY11,392,068$158M0.01%+6,147,86913F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC10,620,447$147M0.02%+3,093,88413F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC10,427,393$144M0.1%+2,109,39313F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/8,925,097$123M0.01%+968,06813F-HRTimelineGroup
MACKENZIE FINANCIAL CORP4,894,853$96M0.1%+210,64913F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC6,833,786$94.5M0.04%+529,09713F-HRTimelineGroup
Arvin Capital Management LP3,742,183$51.8M9.69%-746,05213F-HRTimeline
NORGES BANK3,581,371$49.5M<0.01%new13F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC3,188,021$44.1M0.03%+1,555,13113F-HRTimelineGroup
OAKTREE CAPITAL MANAGEMENT LPin group Oaktree Capital Holdings, LLC3,000,000$41.5M0.78%-3,415,25313F-HRTimelineGroup
CIBC WORLD MARKET INC.2,300,636$31.8M0.05%+17,33913F-HRTimeline
Value Aligned Research Advisors, LLC2,139,907$29.6M0.18%-456,36613F-HRTimeline
FMR LLCin group FMR LLC2,121,932$29.4M<0.01%-11,478,69413F-HRTimelineGroup
Yaupon Capital Management LP2,065,064$28.6M0.95%+276,36413F-HRTimeline
Rokos Capital Management LLPin group Rokos Capital Management LLP2,061,847$28.5M0.36%-231,22213F-HRTimelineGroup
BANK OF NOVA SCOTIAin group BANK OF NOVA SCOTIA2,049,412$28.3M0.04%+710,85813F-HRTimelineGroup
UBS Group AGin group UBS Group AG1,858,480$25.7M<0.01%+39,50413F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …1,692,630$23.4M0.01%+1,277,58213F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP1,669,233$23.1M<0.01%+39,69313F-HRTimelineGroup
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/1,530,553$21M0.02%-557,68513F-HRTimelineGroup
Man Group plcin group Man Group plc1,419,091$19.6M0.04%-699,45613F-HRTimelineGroup
Franklin Resourcesgroup of 2 filers holding1,376,385$19M+1,260,706Timeline
RENAISSANCE TECHNOLOGIES LLC1,322,695$18.3M0.03%-105,50013F-HRTimeline
MMCAP International Inc. SPCin group MMCAP1,310,100$18.1M1.54%new13F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,250,024$17.3M<0.01%+60,65813F-HRTimelineGroup
BRITISH COLUMBIA INVESTMENT MANAGEMENT …1,176,414$16.3M0.1%+950,55013F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management1,100,078$15.2M0.03%-484,92213F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC1,083,166$15M0.01%+879,49113F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…1,058,999$14.6M0.03%+83,10013F-HRTimeline
TD Asset Management Inc974,257$13.5M0.01%-126,86613F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co892,403$12.3M<0.01%-4,52413F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC862,316$11.9M<0.01%+385,21413F-HRTimelineGroup
VAN LANSCHOT KEMPEN INVESTMENT MANAGEME…518,686$10.2M0.08%+227,86713F-HRTimeline
Purpose Unlimited Inc.in group Purpose Unlimited Inc.685,712$9.48M0.36%+171,12313F-HRTimelineGroup
Clayton Partners LLC658,516$9.11M5.98%+27,11013F-HRTimeline
PCJ Investment Counsel Ltd.653,290$9.03M2.6%new13F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO660,073$8.99M<0.01%+418,86213F-HRTimelineGroup
INTACT INVESTMENT MANAGEMENT INC.in group INTACT INVESTMENT MANAGEMENT …627,000$8.67M0.25%-822,00013F-HRTimelineGroup
NewGen Asset Management Ltd550,000$7.61M4.17%new13F-HRTimeline
Canoe Financial LP550,000$7.6M0.09%new13F-HRTimeline
Swiss National Bank538,800$7.43M<0.01%-18,90013F-HRTimeline
Invesco Ltd.in group Invesco Ltd.522,654$7.23M<0.01%-60,18313F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS484,476$6.7M<0.01%-184,60813F-HRTimelineGroup
SCOTIA CAPITAL INC.470,824$6.44M0.02%+29,87713F-HRTimeline
Federation des caisses Desjardins du Qu…460,460$6.26M0.02%+11,76213F-HRTimeline
Potrero Capital Research LLC439,186$6.07M3.72%-351,18713F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.427,537$5.91M0.01%-275,91313F-HRTimelineGroup
WESTERLY CAPITAL MANAGEMENT, LLC400,000$5.53M1.02%-75,00013F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC362,046$5M0.09%new13F-HRTimeline
ARDSLEY ADVISORY PARTNERS LP345,000$4.77M0.52%+70,00013F-HRTimeline
TD Waterhouse Canada Inc.332,341$4.52M0.01%+96,17413F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …290,774$4.01M<0.01%+10,95713F-HRTimelineGroup
CIBC Asset Management Inc283,609$3.92M0.01%+28,75413F-HRTimeline
Qube Research & Technologies Ltd277,256$3.83M<0.01%+65,38113F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc269,484$3.73M<0.01%-49,68313F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…262,657$3.63M<0.01%-171,77613F-HRTimelineGroup
Polar Asset Management Partners Inc.250,000$3.45M0.06%new13F-HRTimeline
CenterBook Partners LP236,778$3.27M0.16%+109,26613F-HRTimeline
Tacita Capital Inc222,601$3.07M1.67%013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC213,115$3.02M<0.01%+9,40513F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…217,100$3M<0.01%new13F-HRTimeline
Nuveen, LLCin group TIAA212,436$2.94M<0.01%-54713F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.206,397$2.85M<0.01%-62,25313F-HRTimelineGroup
PEAK6 LLCin group PEAK6 LLC184,817$2.56M0.06%+45,62813F-HRTimelineGroup
Cardinal Point Capital Management ULC182,560$2.52M0.14%-10013F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.163,700$2.26M<0.01%-106,17813F-HRTimelineGroup
Hartree Partners, LP150,000$2.07M0.45%+50,00013F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC148,296$2.05M<0.01%+82,38713F-HRTimelineGroup
HRT FINANCIAL LP133,249$1.84M<0.01%+108,99413F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC133,142$1.84M<0.01%-13,80513F-HRTimelineGroup
PICTON MAHONEY ASSET MANAGEMENT132,447$1.83M0.02%new13F-HRTimeline
JUPITER ASSET MANAGEMENT LTDin group JUPITER ASSET MANAGEMENT LTD113,548$1.57M0.01%new13F-HRTimelineGroup
Zurcher Kantonalbank (Zurich Cantonalba…112,354$1.55M<0.01%+12,65413F-HRTimeline
Quantbot Technologies LP109,555$1.52M0.06%+67,04313F-HRTimeline
Jupiter Topco LLCin group Janus Henderson104,287$1.43M<0.01%13F-HRTimelineGroup
Capital Innovations LLC99,595$1.38M0.36%new13F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC99,352$1.37M0.01%+26,62013F-HRTimelineGroup
BTG Pactual Asset Management US LLCin group BTG Pactual Asset Management …91,810$1.27M0.09%-77,36313F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…91,598$1.27M<0.01%-73613F-HRTimeline
SIG North Trading, ULC90,847$1.26M0.23%-231,90513F-HRTimeline
Mariner, LLCin group Mariner, LLC86,903$1.2M<0.01%-11,62513F-HRTimelineGroup
Greenland Capital Management LP77,990$1.08M0.2%new13F-HRTimeline
Gotham Asset Management, LLC77,856$1.08M<0.01%-6,95213F-HRTimeline
Alberta Investment Management Corp70,852$979K0.01%013F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC68,300$943K<0.01%013F-HRTimelineGroup
Guardian Partners Inc.in group GUARDIAN CAPITAL LP66,059$914K0.08%-5,99713F-HRTimelineGroup
AYAL Capital Advisors Ltd65,000$899K0.46%013F-HRTimeline
Blackstone Inc.in group Blackstone Inc.62,875$870K<0.01%new13F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
Walleye Capital LLCin group Walleye Capital LLC61,050$844K<0.01%new13F-HRTimelineGroup
Diametric Capital, LP60,877$842K0.09%+6,81013F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…58,009$802K<0.01%-49513F-HRTimelineGroup
Rathbones Group PLC57,012$788K<0.01%013F-HRTimeline
Creative Planningin group Creative Planning56,635$783K<0.01%+7,41013F-HRTimelineGroup
Engineers Gate Manager LP50,683$701K0.01%+34,94513F-HRTimeline
Northwest & Ethical Investments L.P.46,412$641K0.01%+18,43013F-HRTimeline
Hennion & Walsh Asset Management, Inc.45,842$634K0.02%+813F-HRTimeline
SIMPLEX TRADING, LLC41,771$578K0.02%+28,37913F-HRTimeline
Clear Harbor Asset Management, LLC40,700$563K0.04%013F-HRTimeline
Investment Management Corp of Ontario40,601$562K0.01%+3,00013F-HRTimeline
PensionDanmark Pensionsforsikringsaktie…40,527$560K<0.01%+22,96613F-HRTimeline
ALLIANCEBERNSTEIN L.P.40,551$531K<0.01%013F-HRTimeline
Caption Management, LLC36,300$502K0.02%+24,05513F-HRTimeline
Private Advisor Group, LLC33,800$467K<0.01%-20013F-HRTimeline
DekaBank Deutsche Girozentrale34,081$442K<0.01%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co31,508$428K<0.01%-79613F-HRTimelineGroup
Savant Capital, LLC28,549$384K<0.01%+13,84213F-HRTimeline
SIGNATUREFD, LLC24,714$342K<0.01%-81813F-HRTimeline
Orion Porfolio Solutions, LLC23,553$326K<0.01%+64613F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…22,100$306K<0.01%new13F-HRTimelineGroup
Periscope Capital Inc.22,000$304K0.05%new13F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\20,392$282K<0.01%+33013F-HRTimelineGroup
First Eagle Investment Management, LLCin group First Eagle Investment Manage…20,360$281K<0.01%-49913F-HR/ATimelineGroup
Metis Global Partners, LLC20,026$277K0.01%013F-HRTimeline
ExodusPoint Capital Management, LP19,858$275K<0.01%new13F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…19,042$263K<0.01%+68913F-HRTimelineGroup
Allianz Asset Management GmbHin group Allianz SE17,971$249K<0.01%+96313F-HRTimelineGroup
Public Sector Pension Investment Board17,661$244K<0.01%+1,40013F-HR/ATimeline
Advisory Services Network, LLC16,961$235K<0.01%new13F-HRTimeline
LPL Financial LLC16,194$224K<0.01%-313F-HRTimeline
QUADRANT CAPITAL GROUP LLC14,852$205K0.01%013F-HRTimeline
DZ BANK AG Deutsche Zentral Genossensch…in group DZ BANK AG Deutsche Zentral G…14,374$199K<0.01%-126,31413F-HRTimelineGroup
Bridgewater Associates, LP14,225$197K<0.01%-45,71713F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd13,367$185K<0.01%-83,22913F-HRTimelineGroup
Lee Financial Co13,003$180K0.02%+3,00013F-HRTimeline
Claret Asset Management Corp12,965$179K0.02%-34,42713F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…12,288$170K<0.01%-13,47613F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC11,488$159K<0.01%new13F-HRTimelineGroup
Ballentine Partners, LLC11,298$156K<0.01%+4613F-HRTimeline
SAGE RHINO CAPITAL LLC11,078$153K0.03%013F-HRTimeline
MILLER HOWARD INVESTMENTS INC /NY10,557$146K<0.01%new13F-HRTimeline
GROUP ONE TRADING LLC4,850$67.1K<0.01%-5,40213F-HRTimeline
LANARK FINANCIAL, INC.3,315$45.8K<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…2,338$32.3K<0.01%-2,30413F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.2,211$30.6K<0.01%+66613F-HRTimelineGroup
Persistent Asset Partners Ltd2,085$28.8K0.01%new13F-HRTimeline
Costello Asset Management, INC1,800$24.9K0.01%013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\1,483$20.5K<0.01%013F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN1,258$17.4K<0.01%+2613F-HRTimelineGroup
Sterling Capital Management LLC1,024$14.2K<0.01%+37413F-HRTimeline
Westside Investment Management, Inc.962$13.3K<0.01%013F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP718$9.91K<0.01%-1,00013F-HRTimelineGroup
Larson Financial Group LLC711$9.83K<0.01%+2313F-HRTimeline
Aviso Financial Inc.668$9.24K<0.01%-57913F-HRTimeline
Parallel Advisors, LLC526$7.28K<0.01%-7013F-HRTimeline
WealthCollab, LLC480$6.64K<0.01%013F-HRTimeline
Allworth Financial LP437$6.04K<0.01%-17713F-HRTimeline
FIDUCIARY FINANCIAL ADVISORS338$4.66K<0.01%new13F-HRTimeline
Arax Advisory Partners329$4.55K<0.01%new13F-HRTimeline
Ameritas Advisory Services, LLCin group Ameritas Investment Partners,…318$4.4K<0.01%new13F-HRTimelineGroup
Smartleaf Asset Management LLC247$3.36K<0.01%013F-HRTimeline
MCGUIRE CAPITAL ADVISORS INC199$2.75K<0.01%-38013F-HRTimeline
HARBOUR INVESTMENTS, INC.192$2.65K<0.01%013F-HRTimeline
Pacifica Partners Inc.175$2.35K<0.01%013F-HRTimeline
Farther Finance Advisors, LLC132$1.83K<0.01%+9813F-HRTimeline
Caitong International Asset Management …103$1.42K<0.01%+3613F-HRTimeline
SBI Securities Co., Ltd.71$982<0.01%-213F-HRTimeline
Silver Grove Financial Group, Inc.66$913<0.01%new13F-HRTimeline
Basecamp Wealth Advisors LLC52$719<0.01%-1,30113F-HRTimeline
Bell Investment Advisors, Inc42$581<0.01%013F-HRTimeline
Physician Wealth Advisors, Inc.39$540<0.01%new13F-HRTimeline
PROATHLETE WEALTH MANAGEMENT LLC37$511<0.01%new13F-HRTimeline
Integrated Wealth Concepts LLC33$456<0.01%new13F-HRTimeline
Investors Portfolio Services LLC25$346<0.01%new13F-HRTimeline
Bogart Wealth, LLC21$290<0.01%013F-HRTimeline
RHUMBLINE ADVISERS15$207<0.01%013F-HRTimeline