Latest Period
Q1 2026
Security Snapshot
TRANSALTA CORP - COMMON STOCK (TAC) Institutional Ownership
CUSIP: 89346D107
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
177
Shares (Excl. Options)
217,258,031
Price
$13.10
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- Security type / class
- Equity / COMMON STOCK
- Symbol
- TAC on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 217,258,031
- Total 13F value
- $2,852,536,575
- Portfolio coverage rank
- 0%
- Share change
- -1,367,579
- Value change
- -$15,304,797
- Number of holders
- 177
- Shares outstanding
- 296,967,926
- SEC-reported price per share
- $13.93
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- TAC - TRANSALTA CORP - COMMON STOCK is tracked under CUSIP 89346D107.
- 177 institutions reported positions in Q1 2026.
- 8 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 177 to 28 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $2,852,536,575 to $33,657,413.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 177 institutions filings for Q1 2026.
Security key
89346D107
Latest holder period
Q1 2026
13F holders
177
13D/G owners
8
CIK / CUSIP context first
Open Q1 2026 holders
TAC full holder history
TRANSALTA CORP SEC filings
TRANSALTA CORP company facts
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 89346D107:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
8
Security
TAC
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BROOKFIELD Corp /ON/ | 9% | $244,733,206 | 26,923,345 | BROOKFIELD Corp /ON/ | 06 Jan 2025 | |||
| ROYAL BANK OF CANADA | 7.7% | -11% | $279,383,270 | -$38,878,964 | 22,956,719 | -12% | Royal Bank of Canada | 31 Dec 2025 |
| BANK OF MONTREAL /CAN/ | 6% | $245,602,572 | 17,758,682 | Bank of Montreal | 31 Mar 2026 | |||
| Rubric Capital Management LP | 5.4% | $170,734,525 | 15,948,151 | Rubric Capital Management LP | 30 Jun 2025 | |||
| BANK OF NOVA SCOTIA | 4.7% | -15% | $173,455,416 | -$33,197,412 | 13,865,341 | -16% | BANK OF NOVA SCOTIA | 30 Sep 2025 |
| FMR LLC | 4.6% | -42% | $188,096,658 | -$139,769,603 | 13,600,626 | -43% | FMR LLC | 31 Mar 2026 |
| MILLENNIUM MANAGEMENT LLC | 4.4% | -23% | $179,277,041 | -$58,794,094 | 13,115,689 | -25% | Millennium Management LLC | 30 Sep 2025 |
| GOLDMAN SACHS GROUP INC | 2.4% | -52% | $96,424,514 | -$127,072,560 | 7,054,299 | -57% | THE GOLDMAN SACHS GROUP, INC. | 30 Sep 2025 |
As of 31 Mar 2026, 177 institutional investors reported holding 217,258,031 shares of TRANSALTA CORP - COMMON STOCK (TAC). This represents 73% of the company’s total 296,967,926 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
62%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BROOKFIELD Corp /ON/ | 9.1% | 26,954,624 | +0.03% | 0.48% | $354,270,014 |
| ROYAL BANK OF CANADA | 8.5% | 25,307,692 | -1.7% | 0.06% | $331,530,000 |
| Rubric Capital Management LP | 6% | 17,781,325 | 0% | 2.9% | $232,935,357 |
| BANK OF MONTREAL /CAN/ | 6% | 17,714,553 | +33% | 0.1% | $232,952,997 |
| FMR LLC | 4.6% | 13,600,626 | -43% | 0.01% | $178,819,244 |
| MILLENNIUM MANAGEMENT LLC | 2.8% | 8,318,000 | -1.9% | 0.08% | $109,147,477 |
| BANK OF AMERICA CORP /DE/ | 2.7% | 7,957,029 | -28% | 0.01% | $104,237,080 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.6% | 7,739,481 | 0% | 0% | $101,758,696 |
| GOLDMAN SACHS GROUP INC | 2.5% | 7,526,563 | +54% | 0.01% | $98,597,976 |
| OAKTREE CAPITAL MANAGEMENT LP | 2.2% | 6,415,253 | 0% | 1.4% | $84,077,945 |
| AMERICAN CENTURY COMPANIES INC | 2.1% | 6,304,689 | +4% | 0.04% | $82,893,222 |
| MORGAN STANLEY | 1.8% | 5,244,199 | +50% | 0% | $68,699,020 |
| MACKENZIE FINANCIAL CORP | 1.6% | 4,684,204 | +30% | 0.07% | $61,578,445 |
| TORONTO DOMINION BANK | 1.5% | 4,580,887 | +78% | 0.12% | $60,239,545 |
| Arvin Capital Management LP | 1.5% | 4,488,235 | +18% | 14% | $58,795,879 |
| Value Aligned Research Advisors, LLC | 0.87% | 2,596,273 | 0.4% | $34,128,096 | |
| VANGUARD FIDUCIARY TRUST CO | 0.8% | 2,362,425 | 0% | 0.01% | $31,061,164 |
| Rokos Capital Management LLP | 0.77% | 2,293,069 | 0% | 0.54% | $30,088,766 |
| CIBC WORLD MARKET INC. | 0.77% | 2,283,297 | +45% | 0.05% | $30,025,356 |
| Man Group plc | 0.71% | 2,118,547 | +0.98% | 0.06% | $27,753,445 |
| NATIONAL BANK OF CANADA /FI/ | 0.7% | 2,088,238 | +48% | 0.03% | $27,278,367 |
| Artemis Investment Management LLP | 0.63% | 1,875,520 | +3.1% | 0.26% | $24,663,789 |
| UBS Group AG | 0.61% | 1,818,976 | -41% | 0% | $23,828,586 |
| Yaupon Capital Management LP | 0.6% | 1,788,700 | +39% | 1.2% | $23,517,593 |
| CITADEL ADVISORS LLC | 0.55% | 1,632,890 | -19% | 0.02% | $21,390,859 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q1 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 2,439,643 | $33,657,413 | -$26,338,537 | $13.83 | 28 |
| 2026 Q1 | 217,258,031 | $2,852,536,575 | -$15,304,797 | $13.10 | 177 |
| 2025 Q4 | 218,836,695 | $2,768,864,327 | -$59,632,924 | $12.64 | 173 |
| 2025 Q3 | 222,932,261 | $3,048,217,708 | -$13,936,400 | $13.67 | 161 |
| 2025 Q2 | 222,815,303 | $2,404,154,418 | +$54,544,017 | $10.79 | 167 |
| 2025 Q1 | 218,510,438 | $2,041,905,835 | +$123,695,211 | $9.35 | 161 |
| 2024 Q4 | 198,247,093 | $2,803,602,674 | +$176,663,857 | $14.15 | 181 |
| 2024 Q3 | 186,181,171 | $1,929,405,652 | +$61,924,783 | $10.36 | 153 |
| 2024 Q2 | 180,715,373 | $1,279,162,397 | +$21,485,495 | $7.08 | 139 |
| 2024 Q1 | 174,157,128 | $1,125,278,555 | -$62,606,491 | $6.43 | 135 |
| 2023 Q4 | 181,472,760 | $1,509,027,431 | +$56,445,944 | $8.31 | 132 |
| 2023 Q3 | 174,410,910 | $1,520,346,658 | +$12,947,594 | $8.70 | 120 |
| 2023 Q2 | 172,103,992 | $1,614,810,368 | -$15,348,739 | $9.36 | 123 |
| 2023 Q1 | 173,986,941 | $1,522,103,338 | -$12,556,056 | $8.75 | 107 |
| 2022 Q4 | 175,327,157 | $1,575,222,210 | +$8,289,719 | $8.97 | 105 |
| 2022 Q3 | 171,196,075 | $1,516,865,660 | +$13,031,088 | $8.84 | 96 |
| 2022 Q2 | 169,252,565 | $1,929,714,340 | +$53,301,471 | $11.40 | 97 |
| 2022 Q1 | 165,095,966 | $1,707,360,831 | -$1,807,601 | $10.36 | 93 |
| 2021 Q4 | 165,451,021 | $1,837,490,809 | -$48,222,731 | $11.12 | 99 |
| 2021 Q3 | 164,539,809 | $1,731,128,217 | +$39,532,079 | $10.56 | 87 |
| 2021 Q2 | 160,827,394 | $1,606,176,261 | +$18,958,793 | $9.97 | 84 |
| 2021 Q1 | 158,926,127 | $1,510,460,529 | +$56,091,624 | $9.46 | 79 |
| 2020 Q4 | 153,751,666 | $1,181,438,535 | -$20,220,910 | $7.59 | 82 |
| 2020 Q3 | 156,060,560 | $961,246,995 | -$25,450,784 | $6.15 | 81 |
| 2020 Q2 | 160,299,157 | $949,210,442 | -$38,975,843 | $5.93 | 80 |