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Security record · archived quarter

TAC

TransAlta Corporation · Utilities · Independent Power Producers

12.48 +1.9% mkt cap $3.73B quote delayed (FMP) · as of Aug 26 17:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
11Tracked holders
-1Δ holders
28.95MShares held
$270.41MReported value
+1New positions
−2Exits
Rising Conviction score 47/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -8.3% · share flow +30.0% · net new positions -9.1%formula
Concentrated accumulation — rising shares among fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
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
Holder count
Who holds it · Q1 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 Millennium Management 16.46M +199.1% $153.81M 0.2% ▲ Add 4 SEC ↗
2 Oaktree Capital Management 5.59M New $52.12M 1.3% New 1 SEC ↗
3 Arrowstreet Capital 2.31M -32.1% $21.53M 0.0% ▼ Trim 4 SEC ↗
4 Renaissance Technologies 2.00M +17.9% $18.67M 0.0% ▲ Add 4 SEC ↗
5 D. E. Shaw & Co. 1.39M +100.3% $12.95M 0.0% ▲ Add 4 SEC ↗
6 D. E. Shaw & Co. 1.39M +100.3% $12.95M 0.0% ▲ Add 4 SEC ↗
7 State Street Global Advisors (passive) 490.89K -4.3% $4.61M 0.0% ▼ Trim 2 SEC ↗
8 Two Sigma Investments 306.74K +2124.1% $2.87M 0.0% ▲ Add 2 SEC ↗
9 Wellington Management 225.23K -44.5% $2.10M 0.0% ▼ Trim 3 SEC ↗
10 Geode Capital Management (passive) 147.60K +16.4% $1.39M 0.0% ▲ Add 4 SEC ↗
11 Geode Capital Management (passive) 147.60K +16.4% $1.39M 0.0% ▲ Add 4 SEC ↗
12 Gotham Asset Management 31.75K -56.5% $296,900 0.0% ▼ Trim 4 SEC ↗
13 Citadel Advisors 7.22K -96.4% $67,488 0.0% ▼ Trim 4 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Oaktree Capital Management $52.12M 1.3%

Exited

Point72 Asset Management $22.42M was 0.1%
Bridgewater Associates $4.35M 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.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q1 2025 · Methodology · Get this via the API