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Compounder

Transalta Corp

Held by 2 superinvestors (TAC).

Educational data only — not investment advice. 13F positions are self-reported and can lag up to 45 days.

Ownership · 13F consensus

Who's buying it

Institutional ownership aggregated across funds — consensus strength and this quarter's moves. Describes actions, not advice.

2 superinvestors hold it · $84.9M combined

This quarter1 added

Largest holder Howard Marks

Held by 2 superinvestors of Transalta Corp (TAC); this quarter 1 added (as of 2026-03-31).

13F positions are self-reported and can lag up to 45 days. Informational only — not investment advice.

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Superinvestors Holding This Security

  • Value$84.1MWeight (prev→now)1.2% 1.3%
  • Value$785,554Weight (prev→now)0.0% 0.0%

Ownership overview

Transalta Corp (TAC) is held by 2 of the superinvestors tracked on Compounder, with a combined $84.9M in reported 13F value. The largest position belongs to Howard Marks, where it makes up 1.3% of the portfolio.

Other notable holders by value include Ray Dalio (0.0% of its book).

Over the latest quarter, 0 of the tracked filers opened a new position in TAC, 1 added to existing ones, 0 trimmed, and 0 sold out entirely.

Holder counts and values reflect the most recent SEC Form 13F filings, through the quarter ended 2026-03-31. Source: SEC EDGAR. A 13F shows only long US-listed positions and can lag the real portfolio by up to 45 days, so this is disclosed long ownership, not a complete picture.

Holders over time

Superinvestors holding this security over the last 8 quarters: 1 → 2.

Early quarters may understate holder counts due to data backfill — read the slope with care.

Key facts & links

Ticker
TAC
Total value held
$84.9M
Largest holder
Howard Marks
External

Sources· SEC EDGAR 13F as of 2026-03-31 · filed 2026-05-15

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