TransAlta
162 hedge funds and large institutions have $3.05B invested in TransAlta in 2025 Q3 according to their latest regulatory filings, with 23 funds opening new positions, 61 increasing their positions, 55 reducing their positions, and 30 closing their positions.
200% more call options, than puts
Call options by funds: $40.5M | Put options by funds: $13.5M
27% more capital invested
Capital invested by funds: $2.41B → $3.05B (+$643M)
11% more repeat investments, than reductions
Existing positions increased: 61 | Existing positions reduced: 55
0% more funds holding in top 10
Funds holding in top 10: 6 → 6 (0)
0.04% less ownership
Funds ownership: 75.22% → 75.18% (-0.04%)
4% less funds holding
Funds holding: 169 → 162 (-7)
23% less first-time investments, than exits
New positions opened: 23 | Existing positions closed: 30
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$70.2M |
| 2 |
ACG
Aventail Capital Group
New York
|
+$34.8M |
| 3 |
RCMU
Rokos Capital Management (UK)
London,
United Kingdom
|
+$24.5M |
| 4 |
BNP Paribas Financial Markets
Paris,
France
|
+$18.5M |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$17.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
-$63.4M |
| 2 |
Millennium Management
New York
|
-$62.8M |
| 3 |
CIBC World Market
Toronto,
Ontario, Canada
|
-$14.1M |
| 4 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$12.2M |
| 5 |
Morgan Stanley
New York
|
-$9.32M |
TAC Hedge Fund Activity: Q3 2025 in Review
162 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in TransAlta (TAC) for Q3 2025, worth a combined $3.05B — up 27% from $2.41B a quarter earlier.
Sellers outnumbered buyers: 30 funds closed out of TAC and 23 opened new positions — a net loss of 7 holders — while 55 trimmed existing stakes and 61 added.
The largest buyer was Fidelity Investments, adding an estimated $70.2M. The largest seller was Goldman Sachs, cutting an estimated $63.4M.
- 162 institutional investors held TransAlta (TAC) as of Q3 2025, down from 169 in Q2 2025.
- Funds reported $3.05B of TransAlta stock for Q3 2025, up 27% quarter-over-quarter.
- 23 funds opened new TransAlta positions in Q3 2025 and 30 closed out, a net change of -7 holders.
- The largest TransAlta buyer in Q3 2025 was Fidelity Investments, an estimated $70.2M added.
- The largest TransAlta seller in Q3 2025 was Goldman Sachs, an estimated $63.4M sold.
Based on aggregated 13F filings for Q3 2025.