TAC
TransAlta Corporation · Utilities · Independent Power Producers
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 73 | -1 | 190.55M | $2.66B | +5 | −6 |
| Q1 2026 | 75 | +2 | 171.53M | $2.25B | +6 | −5 |
| Q4 2025 | 74 | +1 | 178.95M | $2.26B | +2 | — |
| Q3 2025 | 16 | -1 | 72.52M | $990.83M | — | −1 |
| Q2 2025 | 14 | 0 | 57.40M | $619.01M | +1 | −1 |
| Q1 2025 | 11 | -1 | 28.95M | $270.41M | +1 | −2 |
| Q4 2024 | 12 | +2 | 14.52M | $205.24M | +2 | — |
| Q3 2024 | 9 | -1 | 17.64M | $182.90M | +1 | −2 |
| Q2 2024 | 10 | — | 14.35M | $101.67M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Millennium Management ✦ | 7.38M | — | $52.32M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | D. E. Shaw & Co. ✦ | 2.07M | — | $14.66M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | D. E. Shaw & Co. ✦ | 2.07M | — | $14.66M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Renaissance Technologies ✦ | 1.77M | — | $12.54M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Arrowstreet Capital ✦ | 1.35M | — | $9.59M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Point72 Asset Management ✦ | 933.94K | — | $6.62M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 535.72K | — | $3.79M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 535.72K | — | $3.79M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Geode Capital Management ✦ (passive) | 120.10K | — | $855,744 | 0.0% | n/c | 1 | SEC ↗ |
| 10 | Geode Capital Management ✦ (passive) | 120.10K | — | $855,744 | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Two Sigma Investments ✦ | 104.27K | — | $738,246 | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Gotham Asset Management ✦ | 42.05K | — | $297,728 | 0.0% | n/c | 1 | SEC ↗ |
| 13 | Marshall Wace ✦ | 35.65K | — | $252,381 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 175 holders, 217.00M shares, $2.85B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.