TransAlta Corporation
DE ˙ DB ˙ CA89346D1078
12,48 € ↑0,42 (3,44%)
2026-06-03
AKTIENPREIS
SecurityDE:TZ1 / TransAlta Corporation
InstitutionAlliancebernstein L.p.
Latest Disclosed Ownership40,551 shares
Latest Disclosed Value $ 512,565
Alliancebernstein L.p. ownership in TZ1 / TransAlta Corporation

On May 15, 2026 - Alliancebernstein L.p. filed a 13F-HR form disclosing ownership of 40,551 shares of TransAlta Corporation (DE:TZ1) valued at $445,655 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 40,551 shares of TransAlta Corporation. This represents a change in shares of 0.00% during the quarter. The current value of the position is $506,076 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F TRANSALTA COM 89346D107 40,551 0 0.00 513 0.00 0.0001
2026-02-17 2025-12-31 13F TRANSALTA COM 89346D107 40,551 -250,865 -86.08 513 -87.15 0.0002
2025-11-14 2025-09-30 13F TRANSALTA COM 89346D107 291,416 234,987 416.43 3,984 555.10 0.0013
2025-08-14 2025-06-30 13F TRANSALTA COM 89346D107 56,429 0 0.00 609 15.37 0.0002
2025-05-15 2025-03-31 13F TRANSALTA COM 89346D107 56,429 -777,299 -93.23 528 -95.53 0.0002
2025-02-12 2024-12-31 13F TRANSALTA COM 89346D107 833,728 402,499 93.34 11,797 164.09 0.0040
2024-11-14 2024-09-30 13F TRANSALTA COM 89346D107 431,229 385,000 832.81 4,468 1,266.06 0.0015
2024-08-14 2024-06-30 13F TRANSALTA COM 89346D107 46,229 0 0.00 327 10.10 0.0001
2024-05-14 2024-03-31 13F TRANSALTA COM 89346D107 46,229 0 0.00 297 -22.66 0.0001
2024-02-14 2023-12-31 13F TRANSALTA COM 89346D107 46,229 5,329 13.03 384 8.17 0.0001
2023-11-14 2023-09-30 13F TRANSALTA COM 89346D107 40,900 7,400 22.09 356 13.42 0.0002
2023-08-15 2023-06-30 13F TRANSALTA COM 89346D107 33,500 0 0.00 314 6.83 0.0001
2023-05-15 2023-03-31 13F TRANSALTA COM 89346D107 33,500 0 0.00 293 -2.33 0.0001
2023-02-15 2022-12-31 13F TRANSALTA COM 89346D107 33,500 0 0.00 300 1.35 0.0001
2022-11-15 2022-09-30 13F TRANSALTA COM 89346D107 33,500 17,000 103.03 296 57.45 0.0001
2022-08-15 2022-06-30 13F TRANSALTA COM 89346D107 16,500 0 0.00 188 9.94 0.0001
2022-05-13 2022-03-31 13F TRANSALTA COM 89346D107 16,500 0 0.00 171 -6.56 0.0001
2022-02-14 2021-12-31 13F TRANSALTA COM 89346D107 16,500 0 0.00 183 5.17 0.0001
2021-11-10 2021-09-30 13F TRANSALTA COM 89346D107 16,500 0 0.00 174 5.45 0.0001
2021-07-30 2021-06-30 13F TRANSALTA COM 89346D107 16,500 0 0.00 165 5.77 0.0001
2021-05-06 2021-03-31 13F TRANSALTA COM 89346D107 16,500 0 0.00 156 24.80 0.0001
2021-02-08 2020-12-31 13F TRANSALTA COM 89346D107 16,500 0 0.00 125 23.76 0.0001
2020-11-12 2020-09-30 13F TRANSALTA COM 89346D107 16,500 -1,114,075 -98.54 101 -98.49 0.0001
2020-08-13 2020-06-30 13F TRANSALTA COM 89346D107 1,130,575 1,114,075 6,751.97 6,704 7,695.35 0.0039
2020-05-14 2020-03-31 13F TRANSALTA COM 89346D107 16,500 0 0.00 86 -27.12 0.0001
2020-02-18 2019-12-31 13F TRANSALTA COM 89346D107 16,500 0 0.00 118 10.28 0.0001
2019-11-14 2019-09-30 13F TRANSALTA COM 89346D107 16,500 0 0.00 107 0.00 0.0001
2019-08-14 2019-06-30 13F TRANSALTA COM 89346D107 16,500 -11,870 -41.84 107 -48.56 0.0001
2019-05-14 2019-03-31 13F TRANSALTA COM 89346D107 28,370 10,770 61.19 208 184.93 0.0001
2019-02-13 2018-12-31 13F TRANSALTA COM 89346D107 17,600 0 0.00 73 -26.26 0.0001
2018-11-08 2018-09-30 13F TRANSALTA COM 89346D107 17,600 2,300 15.03 99 28.57 0.0001
2018-08-13 2018-06-30 13F TRANSALTA COM 89346D107 15,300 1,000 6.99 77 -1.28 0.0001
2018-05-14 2018-03-31 13F TRANSALTA COM 89346D107 14,300 0 0.00 78 -8.24 0.0001
2018-02-13 2017-12-31 13F TRANSALTA COM 89346D107 14,300 0 0.00 85 1.19 0.0001
2017-11-13 2017-09-30 13F TRANSALTA COM 89346D107 14,300 0 0.00 84 -8.70 0.0001
2017-08-10 2017-06-30 13F TRANSALTA COM 89346D107 14,300 14,300 92 0.0001
2016-02-12 2015-12-31 13F TRANSALTA COM 89346D107 0 -45,798 -100.00 0 -100.00
2015-11-13 2015-09-30 13F TRANSALTA COM 89346D107 45,798 4,666 11.34 213 -33.23 0.0002
2015-08-14 2015-06-30 13F TRANSALTA COM 89346D107 41,132 -10,896 -20.94 319 -33.95 0.0003
2015-05-13 2015-03-31 13F TRANSALTA COM 89346D107 52,028 -8,077 -13.44 483 -11.54 0.0004
2015-02-13 2014-12-31 13F TRANSALTA COM 89346D107 60,105 -68,018 -53.09 546 -59.47 0.0005
2014-11-13 2014-09-30 13F TRANSALTA COM 89346D107 128,123 92,134 256.01 1,347 204.75 0.0011
2014-08-13 2014-06-30 13F TRANSALTA COM 89346D107 35,989 2,278 6.76 442 12.76 0.0004
2014-05-13 2014-03-31 13F TRANSALTA COM 89346D107 33,711 2,089 6.61 392 -2.24 0.0003
2014-02-13 2013-12-31 13F TRANSALTA COM 89346D107 31,622 452 1.45 401 -1.23 0.0004
2013-11-14 2013-09-30 13F TRANSALTA COM 89346D107 31,170 -1,130 -3.50 406 -7.94 0.0004
2013-08-13 2013-06-30 13F TRANSALTA COM 89346D107 32,300 32,300 441 0.0005
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.