State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s TransAlta TAC Stock Holding History

State of Wisconsin Investment Board’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
Q1 		$205K Buy
+15,626
New +$201K ﹤0.01% 2341
2023
Q4 		– Sell
-11,658
Closed -$102K – 2562
2023
Q3 		$102K Buy
+11,658
New +$113K ﹤0.01% 2363
2023
Q2 		– Sell
-14,756
Closed -$129K – 2519
2023
Q1 		$129K Buy
+14,756
New +$130K ﹤0.01% 2352
2016
Q1 		– Sell
-107,482
Closed -$380K – 1328
2015
Q4 		$380K Sell
107,482
-139,667
-57% -$603K ﹤0.01% 1282
2015
Q3 		$1.14M Sell
247,149
-8,022
-3% -$45.8K ﹤0.01% 1225
2015
Q2 		$1.98M Buy
255,171
+21,078
+9% +$190K 0.01% 1194
2015
Q1 		$2.17M Sell
234,093
-2,158
-0.9% -$19.6K 0.01% 1143
2014
Q4 		$2.15M Sell
236,251
-5,029
-2% -$48.2K 0.01% 1147
2014
Q3 		$2.54M Sell
241,280
-1,505
-0.6% -$17.2K 0.01% 1083
2014
Q2 		$2.98M Buy
242,785
+11,600
+5% +$139K 0.01% 1045
2014
Q1 		$2.69M Buy
231,185
+4,085
+2% +$50.5K 0.01% 1046
2013
Q4 		$2.88M Buy
227,100
+4,147
+2% +$55K 0.01% 1004
2013
Q3 		$2.9M Buy
222,953
+6,283
+3% +$84.9K 0.01% 973
2013
Q2 		$2.96M Buy
+216,670
New +$3.06M 0.01% 969

Other funds holding TAC

BC
Brookfield Corp Toronto, Ontario, Canada $74.2B AUM 0.68% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $269B AUM 31.4% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
OCM
Oaktree Capital Management Los Angeles, California $6.56B AUM 42.97% 1-Year Est. Return

State of Wisconsin Investment Board's TAC Position: Q1 2026 in Review

State of Wisconsin Investment Board opened a new position in TransAlta (TAC) in Q1 2026: 15,626 shares worth $205K. The stake represents ﹤0.01% of the portfolio and ranks #2341 among its holdings. This is a return to the name: State of Wisconsin Investment Board previously reported a position in TAC as recently as Q3 2023.

State of Wisconsin Investment Board first reported a position in TAC in Q2 2013 and has held it in 14 quarters since. The position peaked at $2.98M in Q2 2014. 178 funds tracked by Wall St. Rank hold TAC as of Q1 2026.

  • State of Wisconsin Investment Board held 15,626 shares of TransAlta worth $205K as of Q1 2026.
  • TransAlta was a new State of Wisconsin Investment Board position in Q1 2026.
  • TransAlta made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #2341 holding.
  • State of Wisconsin Investment Board first reported a position in TransAlta in Q2 2013 and has held it in 14 quarters since.
  • State of Wisconsin Investment Board's TransAlta position peaked at $2.98M in Q2 2014.
  • 178 funds tracked by Wall St. Rank held TransAlta as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.