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TransAlta

162 hedge funds and large institutions have $2.04B invested in TransAlta in 2025 Q1 according to their latest regulatory filings, with 28 funds opening new positions, 67 increasing their positions, 52 reducing their positions, and 49 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,137% more call options, than puts

Call options by funds: $57.9M | Put options by funds: $4.68M

29% more repeat investments, than reductions

Existing positions increased: 67 | Existing positions reduced: 52

6.89% more ownership

Funds ownership: 66.48%73.37% (+6.9%)

12% less funds holding

Funds holding: 185162 (-23)

27% less capital invested

Capital invested by funds: $2.81B → $2.04B (-$764M)

43% less first-time investments, than exits

New positions opened: 28 | Existing positions closed: 49

50% less funds holding in top 10

Funds holding in top 10: 105 (-5)

Holders
162
Holders Change
-23
Holders Change %
-12.43%
% of All Funds
2.17%
Holding in Top 10
5
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-50%
% of All Funds
0.07%
New
28
Increased
67
Reduced
52
Closed
49
Calls
$57.9M
Puts
$4.68M
Net Calls
+$53.3M
Net Calls Change
+$26.5M

TAC Hedge Fund Activity: Q1 2025 in Review

162 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in TransAlta (TAC) for Q1 2025, worth a combined $2.04B — down 27% from $2.81B a quarter earlier.

Sellers outnumbered buyers: 49 funds closed out of TAC and 28 opened new positions — a net loss of 21 holders — while 52 trimmed existing stakes and 67 added.

The largest buyer was Millennium Management, adding an estimated $121M. The largest seller was Brookfield Corp, cutting an estimated $95.2M.

  • 162 institutional investors held TransAlta (TAC) as of Q1 2025, down from 185 in Q4 2024.
  • Funds reported $2.04B of TransAlta stock for Q1 2025, down 27% quarter-over-quarter.
  • 28 funds opened new TransAlta positions in Q1 2025 and 49 closed out, a net change of -21 holders.
  • The largest TransAlta buyer in Q1 2025 was Millennium Management, an estimated $121M added.
  • The largest TransAlta seller in Q1 2025 was Brookfield Corp, an estimated $95.2M sold.

Based on aggregated 13F filings for Q1 2025.