TAC
TransAlta Corporation · Utilities · Independent Power Producers
Momentum inputs (comparable managers):
holder breadth -10.0% ·
share flow +23.0% ·
net new positions -11.1%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 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 ✦ | 8.40M | +13.7% | $87.03M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 2 | Arrowstreet Capital ✦ | 4.57M | +238.1% | $47.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Renaissance Technologies ✦ | 1.73M | -2.3% | $17.93M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | Point72 Asset Management ✦ | 1.29M | +37.8% | $13.34M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | D. E. Shaw & Co. ✦ | 763.48K | -63.1% | $7.91M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | D. E. Shaw & Co. ✦ | 763.48K | -63.1% | $7.91M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 615.10K | +14.8% | $6.37M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 615.10K | +14.8% | $6.37M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | Geode Capital Management ✦ (passive) | 122.62K | +2.1% | $1.28M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Geode Capital Management ✦ (passive) | 122.62K | +2.1% | $1.28M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | Wellington Management ✦ | 96.21K | New | $998,415 | 0.0% | New | 1 | SEC ↗ |
| 12 | Gotham Asset Management ✦ | 59.95K | +42.6% | $621,092 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Wellington Management | $998,415 | 0.0% |
Exited
| Two Sigma Investments | $738,246 | was 0.0% |
| Marshall Wace | $252,381 | was 0.0% |
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.