TAC — TRANSALTA CORP
Utilities
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying TAC?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 2 tracked investors who changed their TAC position last quarter, 0 bought and 2 sold (0% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 50/100 in a Overheat regime).
- +5 tracked investors reported holding TAC at their latest filing
- −2 tracked investors reduced or exited last quarter (2 reduced, 0 sold out)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.
About TRANSALTA CORP (TAC)
TRANSALTA CORP (TAC) appears in the most recent 13F filings of 5 tracked institutional investors. TRANSALTA CORP is classified in the Utilities sector. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $217M. Across recent filings, tracked investors recorded 4 new positions, 2 increased, 3 reduced, and 2 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in TAC
How many top investors track TAC
A small number of top investors own this.
TAC Ownership Composition
How TRANSALTA CORP is held across tracked investor types, based on reported 13F positions.
- Multi-Strategy / Quant83.1%
- Value & Distressed16.9%
- Macro0.1%
Tracked investors currently reporting TAC
1 tracked investor has since exited this position — listed separately below.
- Izzy EnglanderJun 30, 2026Millennium ManagementShares10.8MValue$151.9M% Portfolio0.05%
- Howard MarksJun 30, 2026Oaktree Capital ManagementShares3MValue$41.5M% Portfolio0.58%
- Ken GriffinJun 30, 2026Citadel AdvisorsShares3.4MValue$46.7M% Portfolio0.01%
- Steve CohenJun 30, 2026Point72 Asset ManagementShares427.5KValue$5.9M% Portfolio0.01%
- Ray DalioJun 30, 2026Bridgewater AssociatesShares14.2KValue$196.7K% Portfolio0.00%
Previously held TAC
These investors reported TAC in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| Paul Tudor Jones | Tudor Investment Corp | 404.4K | $5.1M | Dec 31, 2025 |
Recent activity
- New$52.1MMay 15, 2025
- Increased$65.5M(8.95%)Aug 13, 2025
- Increased$87.6M(5.42%)Nov 13, 2025
- Unchanged$81.2M(0.00%)Feb 17, 2026
- Unchanged$84.1M(0.00%)May 20, 2026
- Reduced$41.5M(-53.24%)Aug 14, 2026
- New$4.4MFeb 13, 2025
- Sold$0(-100.00%)May 14, 2025
- New$1.2MAug 13, 2025
- Reduced$1.2M(-19.74%)Nov 13, 2025
- Sold$0(-100.00%)Feb 13, 2026
- New$785.6KMay 15, 2026
- Reduced$196.7K(-76.27%)Aug 14, 2026
Frequently asked questions
- How many institutional investors hold TAC?
- 5 tracked institutional investors disclosed a position in TAC (TRANSALTA CORP) in their most recent 13F filing.
- Who is the largest institutional holder of TAC?
- Izzy Englander, Millennium Management, holds the largest disclosed position in TAC, valued at $217M.
- Did institutional ownership of TAC increase or decrease?
- Across recent 13F filings, tracked investors recorded 4 new positions, 2 increased, 3 reduced, and 2 fully exited TAC.
- What sector is TAC in?
- TRANSALTA CORP is classified in the Utilities GICS sector.
- Where does this TAC ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.