Arrowstreet Capital’s TransAlta TAC Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $23.4M | Buy |
1,692,630
+1,277,582
| +308% | +$16.9M | 0.01% | 803 |
|
|
2026
Q1 | $5.45M | Buy |
+415,048
| New | +$5.35M | ﹤0.01% | 1132 |
|
|
2025
Q2 | – | Sell |
-2,306,805
| Closed | -$21.5M | – | 2083 |
|
|
2025
Q1 | $21.5M | Sell |
2,306,805
-1,091,274
| -32% | -$12.1M | 0.02% | 580 |
|
|
2024
Q4 | $48M | Sell |
3,398,079
-1,175,956
| -26% | -$13.4M | 0.04% | 383 |
|
|
2024
Q3 | $47.4M | Buy |
4,574,035
+3,221,180
| +238% | +$26.8M | 0.04% | 348 |
|
|
2024
Q2 | $9.59M | Buy |
1,352,855
+421,667
| +45% | +$2.89M | 0.01% | 651 |
|
|
2024
Q1 | $5.97M | Buy |
931,188
+254,924
| +38% | +$1.81M | 0.01% | 839 |
|
|
2023
Q4 | $5.62M | Buy |
676,264
+258,126
| +62% | +$2.09M | 0.01% | 718 |
|
|
2023
Q3 | $3.65M | Buy |
418,138
+407,078
| +3,681% | +$3.95M | ﹤0.01% | 726 |
|
|
2023
Q2 | $104K | Buy |
+11,060
| New | +$104K | ﹤0.01% | 1183 |
|
|
2022
Q4 | – | Sell |
-1,427,456
| Closed | -$12.6M | – | 1460 |
|
|
2022
Q3 | $12.6M | Buy |
1,427,456
+533,788
| +60% | +$5.49M | 0.02% | 473 |
|
|
2022
Q2 | $10.2M | Buy |
893,668
+339,685
| +61% | +$3.74M | 0.01% | 491 |
|
|
2022
Q1 | $5.74M | Buy |
553,983
+151,527
| +38% | +$1.56M | 0.01% | 608 |
|
|
2021
Q4 | $4.47M | Buy |
+402,456
| New | +$4.38M | 0.01% | 842 |
|
|
2021
Q1 | – | Sell |
-588,979
| Closed | -$4.47M | – | 2525 |
|
|
2020
Q4 | $4.47M | Sell |
588,979
-2,389,947
| -80% | -$16M | 0.01% | 1238 |
|
|
2020
Q3 | $18.3M | Sell |
2,978,926
-379,269
| -11% | -$2.38M | 0.03% | 586 |
|
|
2020
Q2 | $19.9M | Buy |
3,358,195
+932,435
| +38% | +$5.36M | 0.04% | 506 |
|
|
2020
Q1 | $12.7M | Buy |
2,425,760
+657,206
| +37% | +$4.45M | 0.04% | 411 |
|
|
2019
Q4 | $12.7M | Sell |
1,768,554
-695,684
| -28% | -$4.52M | 0.03% | 535 |
|
|
2019
Q3 | $16M | Buy |
2,464,238
+369,535
| +18% | +$2.34M | 0.04% | 398 |
|
|
2019
Q2 | $13.6M | Buy |
2,094,703
+309,579
| +17% | +$2.08M | 0.03% | 413 |
|
|
2019
Q1 | $13.1M | Buy |
1,785,124
+864,430
| +94% | +$4.94M | 0.03% | 474 |
|
|
2018
Q4 | $3.78M | Sell |
920,694
-271,951
| -23% | -$1.42M | 0.01% | 641 |
|
|
2018
Q3 | $6.68M | Buy |
+1,192,645
| New | +$6.66M | 0.02% | 473 |
|
|
2018
Q2 | – | Sell |
-48,585
| Closed | -$264K | – | 1292 |
|
|
2018
Q1 | $264K | Sell |
48,585
-735,851
| -94% | -$4.06M | ﹤0.01% | 1028 |
|
|
2017
Q4 | $4.66M | Buy |
784,436
+292,436
| +59% | +$1.74M | 0.01% | 618 |
|
|
2017
Q3 | $2.88M | Buy |
+492,000
| New | +$3.07M | 0.01% | 607 |
|
|
2017
Q2 | – | Sell |
-126,600
| Closed | -$742K | – | 1322 |
|
|
2017
Q1 | $742K | Buy |
+126,600
| New | +$719K | ﹤0.01% | 1027 |
|
|
2016
Q1 | – | Sell |
-19,900
| Closed | -$70K | – | 1519 |
|
|
2015
Q4 | $70K | Buy |
+19,900
| New | +$86K | ﹤0.01% | 1364 |
|
Other funds holding TAC
BC
RCMNY
Arrowstreet Capital's TAC Position: Q2 2026 in Review
Arrowstreet Capital increased its TransAlta (TAC) stake by 308% in Q2 2026, buying an estimated $16.9M and bringing the position to 1,692,630 shares worth $23.4M. The position accounts for 0.01% of the portfolio, ranked #803.
Arrowstreet Capital first reported a position in TAC in Q4 2015 and has held it in 29 quarters since. The position peaked at $48M in Q4 2024. 178 funds tracked by Wall St. Rank hold TAC as of Q2 2026.
- Arrowstreet Capital held 1,692,630 shares of TransAlta worth $23.4M as of Q2 2026.
- Arrowstreet Capital bought 1,277,582 TransAlta shares in Q2 2026, an estimated $16.9M.
- TransAlta made up 0.01% of Arrowstreet Capital's portfolio in Q2 2026, its #803 holding.
- Arrowstreet Capital first reported a position in TransAlta in Q4 2015 and has held it in 29 quarters since.
- Arrowstreet Capital's TransAlta position peaked at $48M in Q4 2024.
- 178 funds tracked by Wall St. Rank held TransAlta as of Q2 2026.
Based on Arrowstreet Capital's 13F filing for Q2 2026, filed 13 Aug 2026.