TransAlta
173 hedge funds and large institutions have $2.77B invested in TransAlta in 2025 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 52 increasing their positions, 58 reducing their positions, and 25 closing their positions.
52% more call options, than puts
Call options by funds: $37M | Put options by funds: $24.3M
52% more first-time investments, than exits
New positions opened: 38 | Existing positions closed: 25
7% more funds holding
Funds holding: 162 → 173 (+11)
0% more funds holding in top 10
Funds holding in top 10: 6 → 6 (0)
1.4% less ownership
Funds ownership: 75.18% → 73.79% (-1.4%)
9% less capital invested
Capital invested by funds: $3.05B → $2.77B (-$279M)
10% less repeat investments, than reductions
Existing positions increased: 52 | Existing positions reduced: 58
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
+$56.6M |
| 2 |
American Century Companies
Kansas City,
Missouri
|
+$45.6M |
| 3 |
SC
Sculptor Capital
New York
|
+$44.8M |
| 4 |
Bank of Montreal
Toronto,
Ontario, Canada
|
+$42.8M |
| 5 |
RCMNY
Rubric Capital Management (New York)
New York
|
+$27.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$134M |
| 2 |
Millennium Management
New York
|
-$69.3M |
| 3 |
Morgan Stanley
New York
|
-$68.6M |
| 4 |
ACG
Aventail Capital Group
New York
|
-$38.6M |
| 5 |
Goldman Sachs
New York
|
-$27.2M |
TAC Hedge Fund Activity: Q4 2025 in Review
173 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in TransAlta (TAC) for Q4 2025, worth a combined $2.77B — down 9.2% from $3.05B a quarter earlier.
Buyers outnumbered sellers: 38 funds opened new TAC positions and 25 closed out — a net gain of 13 holders — while 52 added to existing stakes and 58 trimmed.
The largest buyer was Bank of America, adding an estimated $56.6M. The largest seller was Royal Bank of Canada, cutting an estimated $134M.
- 173 institutional investors held TransAlta (TAC) as of Q4 2025, up from 162 in Q3 2025.
- Funds reported $2.77B of TransAlta stock for Q4 2025, down 9.2% quarter-over-quarter.
- 38 funds opened new TransAlta positions in Q4 2025 and 25 closed out, a net change of +13 holders.
- The largest TransAlta buyer in Q4 2025 was Bank of America, an estimated $56.6M added.
- The largest TransAlta seller in Q4 2025 was Royal Bank of Canada, an estimated $134M sold.
Based on aggregated 13F filings for Q4 2025.