TRANSALTA CORP (TAC) Institutional Shareholders
TRANSALTA CORP (TAC) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $2.82B in TAC holdings during the latest filing period.
Brookfield Corp is currently the largest disclosed institutional shareholder of TAC tracked by InsiderSet, reporting ownership valued at approximately $354.27M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $336.93M, representing an estimated loss of -4.89% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 65% of the total disclosed TAC value among the investors covered in this analysis. Major shareholders include Brookfield Corp, Royal Bank Of Canada, Bank Of Montreal, and several other long-term asset managers with concentrated positions in TRANSALTA CORP (TAC).
This page ranks the largest institutional TAC shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
174
Total Reported Value
$2.82B
Largest Holder
Brookfield Corp
Largest Position
$354.27M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
162
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Brookfield Corp | 0.48% | 26,954,624 | $354,270,014 | $336,932,800 | -$17,337,214 | -4.89% | |
| Royal Bank Of Canada | 0.06% | 25,307,692 | $331,530,000 | $316,346,150 | -$15,183,850 | -4.58% | |
| Bank Of Montreal | 0.10% | 17,714,553 | $232,952,997 | $221,431,913 | -$11,521,085 | -4.95% | |
| Rubric Capital Management Lp | 2.85% | 17,781,325 | $232,935,357 | $222,266,563 | -$10,668,795 | -4.58% | |
| Fmr Llc | 0.01% | 13,600,626 | $178,819,244 | $170,007,825 | -$8,811,419 | -4.93% | |
| Millennium Management Llc | 0.08% | 8,318,000 | $109,147,477 | $103,975,000 | -$5,172,477 | -4.74% | |
| Bank Of America Corp | 0.01% | 7,957,029 | $104,237,080 | $99,462,863 | -$4,774,218 | -4.58% | |
| Vanguard Capital Management Llc | 0.00% | 7,739,481 | $101,758,696 | $96,743,513 | -$5,015,184 | -4.93% | |
| Goldman Sachs Group Inc | 0.01% | 7,526,563 | $98,597,976 | $94,082,038 | -$4,515,939 | -4.58% | |
| Oaktree Capital Management | Howard Marks | 1.49% | 6,415,253 | $84,077,945 | $80,190,663 | -$3,887,283 | -4.62% |
| American Century Companies Inc | 0.04% | 6,304,689 | $82,893,222 | $78,808,613 | -$4,084,610 | -4.93% | |
| Morgan Stanley | 0.00% | 5,244,199 | $68,699,020 | $65,552,488 | -$3,146,533 | -4.58% | |
| Mackenzie Financial Corp | 0.07% | 4,684,204 | $61,578,445 | $58,552,550 | -$3,025,895 | -4.91% | |
| Toronto Dominion Bank | 0.12% | 4,580,887 | $60,239,545 | $57,261,088 | -$2,978,458 | -4.94% | |
| Arvin Capital Management Lp | 13.74% | 4,488,235 | $58,795,879 | $56,102,938 | -$2,692,942 | -4.58% | |
| Value Aligned Research Advisors, Llc | 0.40% | 2,596,273 | $34,128,096 | $32,453,413 | -$1,674,684 | -4.91% | |
| Vanguard Fiduciary Trust Co | 0.01% | 2,362,425 | $31,061,164 | $29,530,313 | -$1,530,852 | -4.93% | |
| Rokos Capital Management Llp | 0.53% | 2,293,069 | $30,088,766 | $28,663,363 | -$1,425,404 | -4.74% | |
| Cibc World Market Inc. | 0.05% | 2,283,297 | $30,025,356 | $28,541,213 | -$1,484,144 | -4.94% | |
| Man Group Plc | 0.06% | 2,118,547 | $27,753,445 | $26,481,838 | -$1,271,608 | -4.58% | |
| National Bank Of Canada | 0.03% | 2,088,238 | $27,278,367 | $26,102,975 | -$1,175,392 | -4.31% | |
| Ubs Group Ag | 0.00% | 1,818,976 | $23,828,586 | $22,737,200 | -$1,091,386 | -4.58% | |
| Yaupon Capital Management Lp | 1.16% | 1,788,700 | $23,517,593 | $22,358,750 | -$1,158,843 | -4.93% | |
| Citadel Advisors Llc | 0.02% | 1,632,890 | $21,390,859 | $20,411,125 | -$979,734 | -4.58% | |
| Dimensional Fund Advisors Lp | 0.00% | 1,629,540 | $21,343,152 | $20,369,250 | -$973,902 | -4.56% | |
| Two Seas Capital Lp | 0.97% | 1,597,900 | $20,932,490 | $19,973,750 | -$958,740 | -4.58% | |
| Balyasny Asset Management L.P. | 0.04% | 1,585,000 | $20,834,879 | $19,812,500 | -$1,022,379 | -4.91% | |
| Renaissance Technologies LLC | Jim Simons | 0.03% | 1,428,195 | $18,709,355 | $17,852,438 | -$856,918 | -4.58% |
| Bank Of Nova Scotia | 0.03% | 1,338,554 | $17,594,841 | $16,731,925 | -$862,916 | -4.90% | |
| State Street Corp | 0.00% | 1,189,366 | $15,627,834 | $14,867,075 | -$760,759 | -4.87% | |
| Td Asset Management Inc | 0.01% | 1,101,123 | $14,431,256 | $13,764,038 | -$667,219 | -4.62% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.03% | 975,899 | $12,833,437 | $12,198,738 | -$634,700 | -4.95% | |
| Charles Schwab Investment Management Inc | 0.00% | 896,927 | $11,755,075 | $11,211,588 | -$543,488 | -4.62% | |
| Vanguard Global Advisers, Llc | 0.01% | 844,709 | $11,106,234 | $10,558,863 | -$547,372 | -4.93% | |
| First Manhattan Co. Llc. | 0.03% | 793,222 | $10,427,784 | $9,915,275 | -$512,509 | -4.91% | |
| Potrero Capital Research Llc | 6.36% | 790,373 | $10,353,887 | $9,879,663 | -$474,225 | -4.58% | |
| Point72 Asset Management, L.P. | 0.02% | 703,450 | $9,223,165 | $8,793,125 | -$430,040 | -4.66% | |
| Bnp Paribas Financial Markets | 0.01% | 669,084 | $8,765,000 | $8,363,550 | -$401,450 | -4.58% | |
| Intact Investment Management Inc. | 0.25% | 627,000 | $8,673,275 | $7,837,500 | -$835,775 | -9.64% | |
| Clayton Partners Llc | 6.01% | 631,406 | $8,271,419 | $7,892,575 | -$378,844 | -4.58% | |
| Invesco Ltd. | 0.00% | 582,837 | $7,635,165 | $7,285,463 | -$349,703 | -4.58% | |
| Canoe Financial Lp | 0.09% | 550,000 | $7,601,180 | $6,875,000 | -$726,180 | -9.55% | |
| Swiss National Bank | 0.00% | 557,700 | $7,321,777 | $6,971,250 | -$350,527 | -4.79% | |
| Sculptor Capital Lp | 0.08% | 533,600 | $7,003,871 | $6,670,000 | -$333,871 | -4.77% | |
| Purpose Unlimited Inc. | 0.28% | 514,589 | $6,762,549 | $6,432,363 | -$330,187 | -4.88% | |
| Capital Wealth Planning, Llc | 0.04% | 500,960 | $6,562,576 | $6,262,000 | -$300,576 | -4.58% | |
| Barclays Plc | 0.00% | 477,102 | $6,250,036 | $5,963,775 | -$286,261 | -4.58% | |
| Westerly Capital Management, Llc | 1.92% | 475,000 | $6,222,500 | $5,937,500 | -$285,000 | -4.58% | |
| Federation Des Caisses Desjardins Du Quebec | 0.02% | 448,698 | $5,796,861 | $5,608,725 | -$188,136 | -3.25% | |
| Scotia Capital Inc. | 0.02% | 440,947 | $5,729,856 | $5,511,838 | -$218,019 | -3.80% |
Frequently asked questions about TAC
Who owns the most TAC stock?
The largest holders of TAC are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for TRANSALTA CORP (TAC).
Is TAC widely held by superinvestors?
Many widely followed stocks like TAC appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly TAC is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.