TAC
TransAlta Corporation · Utilities · Independent Power Producers
Momentum inputs (comparable managers):
holder breadth +20.0% ·
share flow -20.1% ·
net new positions +16.7%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 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 ✦ | 5.51M | -34.4% | $77.83M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 2 | Arrowstreet Capital ✦ | 3.40M | -25.7% | $48.00M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 3 | Renaissance Technologies ✦ | 1.69M | -2.1% | $23.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Point72 Asset Management ✦ | 1.59M | +23.3% | $22.42M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 5 | D. E. Shaw & Co. ✦ | 692.52K | -9.3% | $9.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 6 | D. E. Shaw & Co. ✦ | 692.52K | -9.3% | $9.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 7 | State Street Global Advisors ✦ (passive) | 513.21K | — | $7.30M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Wellington Management ✦ | 405.71K | +321.7% | $5.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | Wellington Management ✦ | 405.71K | +321.7% | $5.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Bridgewater Associates ✦ | 307.85K | New | $4.35M | 0.0% | New | 1 | SEC ↗ |
| 11 | Citadel Advisors ✦ | 198.79K | -67.7% | $2.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | Citadel Advisors ✦ | 198.79K | -67.7% | $2.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | Geode Capital Management ✦ (passive) | 126.76K | +3.4% | $1.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Geode Capital Management ✦ (passive) | 126.76K | +3.4% | $1.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Gotham Asset Management ✦ | 73.06K | +21.9% | $1.03M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | Two Sigma Investments ✦ | 13.79K | New | $195,157 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Bridgewater Associates | $4.35M | 0.0% |
| Two Sigma Investments | $195,157 | 0.0% |
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.