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Transalta Corp

TAC
Exchange
NYSE
Industry
Electric Services
SEC CIK
0001144800

No open-market purchases or sales by Transalta Corp insiders were filed in the last 90 days; 176 institutions reported holding it in 13F filings for Q2 2026, worth $3.31B in total; Oaktree Capital is the only superinvestor holding it.

Other share classesTACPFTRNTFTSLTF

13F holders, Q3 2025

Institutional positions in Transalta Corp as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
161
−7 vs. Q2 2025
Shares held
222.9M
−4.24K (0.0%) vs. Q2 2025
Total value
$3.05B
+$642.8M (+26.7%) vs. Q2 2025
New holders
23
60 more added
Sold out
30
55 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TAC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 161 institutions
Q1 2021: 83 institutionsQ2 2021: 89 institutionsQ3 2021: 93 institutionsQ4 2021: 104 institutionsQ1 2022: 99 institutionsQ2 2022: 102 institutionsQ3 2022: 103 institutionsQ4 2022: 109 institutionsQ1 2023: 110 institutionsQ2 2023: 127 institutionsQ3 2023: 124 institutionsQ4 2023: 137 institutionsQ1 2024: 139 institutionsQ2 2024: 141 institutionsQ3 2024: 156 institutionsQ4 2024: 184 institutionsQ1 2025: 161 institutionsQ2 2025: 168 institutionsQ3 2025: 161 institutionsQ4 2025: 172 institutionsQ1 2026: 178 institutionsQ2 2026: 176 institutions
Value heldQ3 2025: $3.05B
Q1 2021: $1.55BQ2 2021: $1.65BQ3 2021: $1.78BQ4 2021: $1.88BQ1 2022: $1.75BQ2 2022: $1.96BQ3 2022: $1.56BQ4 2022: $1.58BQ1 2023: $1.53BQ2 2023: $1.63BQ3 2023: $1.53BQ4 2023: $1.52BQ1 2024: $1.15BQ2 2024: $1.28BQ3 2024: $1.93BQ4 2024: $2.81BQ1 2025: $2.04BQ2 2025: $2.41BQ3 2025: $3.05BQ4 2025: $2.77BQ1 2026: $2.86BQ2 2026: $3.31B
Institutions holding TAC and their total value by quarter
QuarterHoldersValue
Q2 2026176$3.31B
Q1 2026178$2.86B
Q4 2025172$2.77B
Q3 2025161$3.05B
Q2 2025168$2.41B
Q1 2025161$2.04B
Q4 2024184$2.81B
Q3 2024156$1.93B
Q2 2024141$1.28B
Q1 2024139$1.15B
Q4 2023137$1.52B
Q3 2023124$1.53B
Q2 2023127$1.63B
Q1 2023110$1.53B
Q4 2022109$1.58B
Q3 2022103$1.56B
Q2 2022102$1.96B
Q1 202299$1.75B
Q4 2021104$1.88B
Q3 202193$1.78B
Q2 202189$1.65B
Q1 202183$1.55B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Transalta Corp; share changes are against Q2 2025.

Institutions holding TAC in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Sona Asset Management (US) LLC200,000$2.73M0.11%00.0%Unchanged
Nuveen, LLC212,983$2.91M0.00%00.0%Unchanged
Scotia Capital Inc.219,933$2.99M0.01%−97,298−30.7%Reduced
Tacita Capital Inc219,313$3.00M1.81%00.0%Unchanged
CIBC Asset Management Inc252,089$3.44M0.01%+980.0%Added
AYAL Capital Advisors Ltd256,200$3.50M2.02%+256,200New
Cinctive Capital Management LP264,361$3.61M0.18%+173,281+190.3%Added
Barclays PLC272,785$3.73M0.00%−234,097−46.2%Reduced
Trexquant Investment LP274,009$3.75M0.04%−45,864−14.3%Reduced
Alliancebernstein L.P.291,416$3.98M0.00%+234,987+416.4%Added
Manufacturers Life Insurance Company, The301,577$4.12M0.00%+89,931+42.5%Added
Legal & General Group Plc308,024$4.21M0.00%−1,115−0.4%Reduced
Kempen Capital Management N.V.224,420$4.27M0.04%+106,104+89.7%Added
BlackRock, Inc.315,051$4.31M0.00%+1,551+0.5%Added
Waratah Capital Advisors Ltd.334,994$4.58M0.31%−142,978−29.9%Reduced
Susquehanna International Group, LLP404,956$5.54M0.01%+228,381+129.3%Added
D. E. Shaw & Co., Inc.433,116$5.91M0.00%−234,089−35.1%Reduced
Jane Street Group, LLC508,342$6.95M0.01%−222,242−30.4%Reduced
Swiss National Bank544,500$7.44M0.00%00.0%Unchanged
Intact Investment Management Inc.579,950$7.92M0.24%−112,600−16.3%Reduced
Maplelane Capital, LLC608,500$8.31M0.40%−176,500−22.5%Reduced
Jain Global LLC618,976$8.45M0.11%+618,976New
Clayton Partners LLC693,585$9.48M7.19%+32,008+4.8%Added
Invesco Ltd.727,546$9.95M0.00%−347,625−32.3%Reduced
Value Aligned Research Advisors, LLC745,013$10.2M0.23%+111,426+17.6%Added
Federation des caisses Desjardins du Quebec777,942$10.6M0.04%−246,152−24.0%Reduced
Man Group plc807,199$11.0M0.02%+807,199New
First Manhattan Co856,047$11.7M0.03%−7,185−0.8%Reduced
TD Asset Management Inc877,747$12.0M0.01%−389,054−30.7%Reduced
Charles Schwab Investment Management Inc898,258$12.3M0.00%+95,770+11.9%Added
Westerly Capital Management, LLC900,000$12.3M3.90%+132,500+17.3%Added
Connor, Clark & Lunn Investment Management Ltd.967,099$13.2M0.04%−39,500−3.9%Reduced
Citadel Advisors LLC971,320$13.3M0.01%−319,991−24.8%Reduced
Renaissance Technologies LLC1,030,000$14.1M0.02%−357,400−25.8%Reduced
Bank of Nova Scotia1,233,715$16.9M0.03%−82,915−6.3%Reduced
State Street Corp1,235,848$16.9M0.00%−12,980−1.0%Reduced
Artemis Investment Management LLP1,355,113$18.5M0.23%+35,388+2.7%Added
Yaupon Capital Management LP1,394,087$19.0M0.98%+233,593+20.1%Added
Dimensional Fund Advisors LP1,440,732$19.7M0.00%+140,444+10.8%Added
CIBC World Markets Inc.1,482,899$20.3M0.04%−1,144,118−43.6%Reduced
BNP Paribas Arbitrage, SA1,502,013$20.5M0.02%+1,502,013New
National Bank of Canada1,564,936$21.3M0.02%+22,500+1.5%Added
Potrero Capital Research LLC2,518,944$34.4M10.46%00.0%Unchanged
Rokos Capital Management LLP2,760,467$37.7M0.47%+1,992,232+259.3%Added
Toronto Dominion Bank2,778,514$37.9M0.07%+439,047+18.8%Added
Aventail Capital Group, LP2,829,643$38.6M1.84%+2,829,643New
American Century Companies Inc3,006,296$41.1M0.02%−50,051−1.6%Reduced
Arvin Capital Management LP3,107,000$42.5M9.83%+173,500+5.9%Added
UBS Group AG4,207,052$57.5M0.01%+1,442,122+52.2%Added
Mackenzie Financial Corp4,462,328$60.9M0.07%−542,393−10.8%Reduced
Oaktree Capital Management LPSuperinvestorOaktree Capital6,415,253$87.6M1.46%+330,000+5.4%Added
Goldman Sachs Group Inc6,716,789$91.8M0.01%−5,152,713−43.4%Reduced
Bank of America Corp7,233,133$98.9M0.01%−344,531−4.5%Reduced
Morgan Stanley8,091,729$110.6M0.01%−757,750−8.6%Reduced
Bank of Montreal10,425,309$142.4M0.06%+1,369,830+15.1%Added
Vanguard Group Inc10,949,384$149.6M0.00%+248,027+2.3%Added
Millennium Management LLC13,115,689$179.2M0.14%−5,107,704−28.0%Reduced
Rubric Capital Management LP15,948,451$218.0M2.93%00.0%Unchanged
FMR LLC22,621,020$309.0M0.02%+5,704,253+33.7%Added
Brookfield Asset Management Inc.26,942,322$367.9M0.43%+5,5420.0%Added
Royal Bank of Canada34,722,931$474.7M0.08%−993,545−2.8%Reduced
Moore Capital Management, LP0$00.00%−303,000−100.0%Sold out
UBS Asset Management Americas Inc0$00.00%−229,797−100.0%Sold out
Wellington Management Group LLP0$00.00%−225,231−100.0%Sold out
O'Shaughnessy Asset Management, LLC0$00.00%−222,215−100.0%Sold out
Greenland Capital Management LP0$00.00%−181,126−100.0%Sold out
Alberta Investment Management Corp0$00.00%−121,200−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−96,266−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−77,600−100.0%Sold out
Timelo Investment Management Inc.0$00.00%−60,000−100.0%Sold out
Simplex Trading, LLC0$00.00%−51,321−100.0%Sold out
Polar Asset Management Partners Inc.0$00.00%−50,000−100.0%Sold out
AREX Capital Management, LP0$00.00%−25,000−100.0%Sold out
Sowell Financial Services LLC0$00.00%−23,892−100.0%Sold out
Jupiter Asset Management Ltd0$00.00%−23,418−100.0%Sold out
Group One Trading, L.P.0$00.00%−20,762−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−19,092−100.0%Sold out
Entropy Technologies, LP0$00.00%−18,033−100.0%Sold out
Quadrature Capital Ltd0$00.00%−16,056−100.0%Sold out
Investment Management Corp of Ontario0$00.00%−15,797−100.0%Sold out
Janney Montgomery Scott LLC0$00.00%−13,209−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−12,952−100.0%Sold out
Engineers Gate Manager LP0$00.00%−11,838−100.0%Sold out
Global Retirement Partners, LLC0$00.00%−1,042−100.0%Sold out
Caitong International Asset Management Co., Ltd0$00.00%−873−100.0%Sold out
Bryn Mawr Trust Co0$00.00%−858−100.0%Sold out
MAI Capital Management0$00.00%−226−100.0%Sold out
Mid-American Wealth Advisory Group, Inc.0$00.00%−220−100.0%Sold out
HighMark Wealth Management LLC0$00.00%−52−100.0%Sold out
Skopos Labs, Inc.0$00.00%−42−100.0%Sold out
PEAK6 LLC0$00.00%−2−100.0%Sold out