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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
Name Holding Trade Value Shares
Change
Change in
Stake
CM
76
Caption Management
Oklahoma
$921K +$665K +60,044 +156%
Susquehanna International Group
77
Susquehanna International Group
Pennsylvania
$846K -$3.27M -295,209 -77%
AIM
78
Aigen Investment Management
New York
$844K +$696K +62,823 New
GCM
79
Greenland Capital Management
New York
$813K +$334K +30,160 +53%
Voloridge Investment Management
80
Voloridge Investment Management
Florida
$804K +$952K +86,004 New
VA
81
Vident Advisory
Georgia
$790K +$172K +15,530 +23%
Canada Life
82
Canada Life
Manitoba, Canada
$729K +$46.3K +4,183 +6%
VanEck Associates
83
VanEck Associates
New York
$699K -$57.2K -5,168 -6%
Mariner
84
Mariner
Kansas
$686K -$12.8K -1,156 -2%
Russell Investments Group
85
Russell Investments Group
United Kingdom
$661K +$158K +14,256 +25%
Bessemer Group
86
Bessemer Group
New Jersey
$638K +$756K +68,300 New
Zurich Cantonal Bank
87
Zurich Cantonal Bank
Switzerland
$633K +$162K +14,636 +28%
GP
88
Guardian Partners
Canada
$629K -$37.4K -3,374 -4%
Simplex Trading
89
Simplex Trading
Illinois
$599K +$396K +35,745 +126%
PFSRSONJ
90
Police & Firemen's Retirement System of New Jersey
New Jersey
$581K +$83.9K +7,572 +14%
QT
91
Quantbot Technologies
New York
$571K +$676K +61,026 New
BNP Paribas Financial Markets
92
BNP Paribas Financial Markets
France
$565K +$398K +35,965 +147%
Raymond James Financial
93
Raymond James Financial
Florida
$555K +$14K +1,266 +2%
TWC
94
TD Waterhouse Canada
Ontario, Canada
$548K -$4.46M -402,528 -87%
Balyasny Asset Management
95
Balyasny Asset Management
Illinois
$532K -$2.37M -214,292 -79%
RG
96
Rathbones Group
United Kingdom
$532K
Citigroup
97
Citigroup
New York
$531K -$5.35K -483 -0.8%
AllianceBernstein
98
AllianceBernstein
Tennessee
$528K -$8.61M -777,299 -93%
VI
99
Versor Investments
New York
$526K +$625K +56,400 New
CHAM
100
Clear Harbor Asset Management
Connecticut
$518K -$5.54K -500 -0.9%

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.