Mariner
TAC icon

Mariner’s TransAlta TAC Stock Holding History

Mariner’s Portfolio TAC Stock Details TAC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.2M Sell
86,903
-11,625
-12% -$154K ﹤0.01% 1807
2026
Q1 		$1.29M Sell
98,528
-4,291
-4% -$55.3K ﹤0.01% 1783
2025
Q4 		$1.3M Buy
102,819
+12,311
+14% +$184K ﹤0.01% 1762
2025
Q3 		$1.24M Buy
90,508
+6,005
+7% +$73.9K ﹤0.01% 1744
2025
Q2 		$912K Buy
84,503
+11,131
+15% +$106K ﹤0.01% 1863
2025
Q1 		$686K Sell
73,372
-1,156
-2% -$12.8K ﹤0.01% 1950
2024
Q4 		$1.05M Buy
74,528
+8,250
+12% +$94.2K ﹤0.01% 1604
2024
Q3 		$687K Buy
66,278
+249
+0.4% +$2.07K ﹤0.01% 1891
2024
Q2 		$467K Buy
66,029
+23,916
+57% +$164K ﹤0.01% 2095
2024
Q1 		$271K Buy
42,113
+14,724
+54% +$104K ﹤0.01% 2525
2023
Q4 		$228K Sell
27,389
-5,861
-18% -$47.3K ﹤0.01% 2585
2023
Q3 		$289K Buy
33,250
+2,242
+7% +$21.8K ﹤0.01% 2185
2023
Q2 		$290K Buy
31,008
+2,516
+9% +$23.6K ﹤0.01% 2144
2023
Q1 		$249K Buy
28,492
+2,024
+8% +$17.8K ﹤0.01% 2223
2022
Q4 		$237K Sell
26,468
-1,088
-4% -$9.74K ﹤0.01% 2220
2022
Q3 		$243K Buy
27,556
+6,929
+34% +$71.2K ﹤0.01% 1919
2022
Q2 		$235K Buy
20,627
+456
+2% +$5.03K ﹤0.01% 1339
2022
Q1 		$209K Sell
20,171
-21
-0.1% -$217 ﹤0.01% 1370
2021
Q4 		$225K Sell
20,192
-102
-0.5% -$1.11K ﹤0.01% 1142
2021
Q3 		$214K Buy
+20,294
New +$203K ﹤0.01% 983
2019
Q3 		– Sell
-20,300
Closed -$132K – 1009
2019
Q2 		$132K Buy
20,300
+300
+2% +$2.02K ﹤0.01% 1068
2019
Q1 		$147K Hold
20,000
– – ﹤0.01% 989
2018
Q4 		$82K Hold
20,000
– – ﹤0.01% 810
2018
Q3 		$113K Hold
20,000
– – ﹤0.01% 786
2018
Q2 		$100K Hold
20,000
– – ﹤0.01% 770
2018
Q1 		$109K Hold
20,000
– – ﹤0.01% 615
2017
Q4 		$119K Buy
+20,000
New +$119K ﹤0.01% 555

Other funds holding TAC

Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return
BC
Brookfield Corp Toronto, Ontario, Canada $77B AUM 10.33% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $304B AUM 35.64% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $86.4B AUM 59.51% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Mariner's TAC Position: Q2 2026 in Review

Mariner reduced its TransAlta (TAC) stake by 12% in Q2 2026, selling an estimated $154K and leaving 86,903 shares worth $1.2M. The position accounts for ﹤0.01% of the portfolio, ranked #1807.

Mariner first reported a position in TAC in Q4 2017 and has held it in 27 quarters since. The position peaked at $1.3M in Q4 2025. 178 funds tracked by Wall St. Rank hold TAC as of Q2 2026.

  • Mariner held 86,903 shares of TransAlta worth $1.2M as of Q2 2026.
  • Mariner sold 11,625 TransAlta shares in Q2 2026, an estimated $154K.
  • TransAlta made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1807 holding.
  • Mariner first reported a position in TransAlta in Q4 2017 and has held it in 27 quarters since.
  • Mariner's TransAlta position peaked at $1.3M in Q4 2025.
  • 178 funds tracked by Wall St. Rank held TransAlta as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.