Vault-13

TRANSALTA CORP TAC

COM · Common Stock · CUSIP 89346D107 · ISIN CA89346D1078

Global electricity generation company

103 institutional holders
174,146,926174.1m shares reported held*
64.9% of all shares outstanding*
$1.6bnreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($7.9m this quarter). Holder counts are more reliable. Shares outstanding: 268.3m as of 2022-12-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $8.93. Options: 6 managers hold calls ($9.9m notional), 5 hold puts ($4.7m).

Biggest calls

D. E. Shaw & Co., Inc. — $4.8m540.0k shares
BANK OF MONTREAL /CAN/ — $3.9m420.0k shares
SIG North Trading, ULC — $758.0k85.3k shares
CITADEL ADVISORS LLC — $512.0k58.0k shares
SIMPLEX TRADING, LLC — $1.0k200 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. — $00 shares

Biggest puts

D. E. Shaw & Co., Inc. — $1.7m190.0k shares
BANK OF MONTREAL /CAN/ — $1.7m180.0k shares
CITADEL ADVISORS LLC — $1.2m138.7k shares
SIG North Trading, ULC — $128.0k14.4k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. — $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BROOKFIELD Corp /ON/ 13D · may seek influence filed 2025-01-08
Stated purposeItem 4 of the original Schedule 13D is hereby supplemented as follows: The Purchaser Reporting Persons disposed of an aggregate 8,600,000 Common Shares in a block trade pursuant to Regulation S under the U.S. Securities Act of 1933, as amended, for aggregate cash proceeds of approximately C$168,990,000 (excluding brokerage commission), at a price of C$19.65 per Common Share. The disposition of the Common Shares reported in this Amendment No. 6 more closely aligns the Reporting Persons' aggregate share ownership with certain thresholds under the Investment Agreement. Although the Reporting Persons have no current specific plan or proposal for further dispositions of the Common Shares, the Reporting Persons also may, at any time and from time to time, subject to compliance at all relevant … Full filing
9.0% 26.9m≈ $372.3m 2025-01-08
ROYAL BANK OF CANADA 13G · institution -1.0 pts · filed 2026-02-13 7.7% -1.0 pts 23.0m≈ $317.5m 2026-02-13
BANK OF MONTREAL /CAN/ 13G · institution new · filed 2026-05-13 6.0% new 17.8m≈ $245.6m 2026-05-13
Rubric Capital Management LP 13G · institution new · filed 2025-07-09 5.4% new 15.9m≈ $220.6m 2025-07-09

Fell to 5% or below in the last year: FMR LLC (4.6%, 2026-05-06), MILLENNIUM MANAGEMENT LLC (4.4%, 2025-11-14), GOLDMAN SACHS GROUP INC (2.4%, 2025-11-13)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported in Q3 2022.

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 ROYAL BANK OF CANADA 0.12% of their portfolio TORONTO, A6 39,097,57439.1m $345.2m $345.2m 0.12% —
2 Brookfield Corp /ON/ 1.15% of their portfolio TORONTO, A6 35,448,33035.4m $313.0m $313.0m 1.15% —
3 Marquard & Bahls AG 10.15% of their portfolio Hamburg, 2M 15,033,00015.0m $132.7m $132.7m 10.15% —
4 BANK OF MONTREAL /CAN/ 0.05% of their portfolio TORONTO, A6 11,057,65411.1m $101.9m $101.9m 0.05% —
5 CIBC Asset Management Inc 0.44% of their portfolio TORONTO, Z4 10,956,91811.0m $97.3m $97.3m 0.44% —
6 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 7,954,4468.0m $70.2m $70.2m 0.00% —
7 Rubric Capital Management LP 2.31% of their portfolio NEW YORK, NY 5,189,0625.2m $45.8m $45.8m 2.31% —
8 MACKENZIE FINANCIAL CORP 0.07% of their portfolio TORONTO ONTARIO, A6 4,439,6404.4m $39.2m $39.2m 0.07% —
9 TD Asset Management Inc 0.05% of their portfolio Toronto, A6 4,109,7074.1m $36.5m $36.5m 0.05% —
10 Connor, Clark & Lunn Investment Management Ltd. 0.22% of their portfolio VANCOUVER, A1 3,785,3573.8m $33.4m $33.4m 0.22% —
11 INTACT INVESTMENT MANAGEMENT INC. 1.44% of their portfolio MONTREAL, A8 3,591,0503.6m $43.7m $43.7m 1.44% —
12 TORONTO DOMINION BANK 0.05% of their portfolio TORONTO, ONTARIO, A6 3,489,2203.5m $30.8m $30.8m 0.05% —
13 NATIONAL BANK OF CANADA /FI/ 0.16% of their portfolio MONTREAL, A8 3,204,1693.2m $28.1m $28.1m 0.16% —
14 RENAISSANCE TECHNOLOGIES LLC 0.03% of their portfolio NEW YORK, NY 2,384,3412.4m $21.1m $21.1m 0.03% —
15 Point72 Asset Management, L.P. 0.07% of their portfolio STAMFORD, CT 1,810,3721.8m $16.0m $16.0m 0.07% —
16 SCOTIA CAPITAL INC. 0.12% of their portfolio TORONTO, A6 1,694,3781.7m $15.0m $15.0m 0.12% —
17 NewGen Asset Management Ltd 12.36% of their portfolio TORONTO, A6 1,691,7001.7m $15.0m $15.0m 12.36% —
18 Federation des caisses Desjardins du Quebec 0.17% of their portfolio LEVIS, A8 1,572,3451.6m $14.0m $14.0m 0.17% —
19 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 1,505,7441.5m $13.3m $13.3m 0.00% —
20 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.02% of their portfolio BOSTON, MA 1,427,4561.4m $12.6m $12.6m 0.02% —
21 ACADIAN ASSET MANAGEMENT LLC 0.06% of their portfolio Boston, MA 1,336,8601.3m $11.9m $11.9m 0.06% —
22 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 1,208,3311.2m $10.7m $10.7m 0.00% —
23 FIRST MANHATTAN CO. LLC. 0.04% of their portfolio NEW YORK, NY 1,063,6771.1m $9.4m $9.4m 0.04% —
24 PCJ Investment Counsel Ltd. 4.34% of their portfolio TORONTO, A6 1,000,0001.0m $8.8m $8.8m 4.34% —
25 BANK OF NOVA SCOTIA 0.02% of their portfolio TORONTO, A6 799,824799.8k $7.1m $7.1m 0.02% —
26 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 710,173710.2k $6.3m $6.3m 0.00% —
27 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 702,295702.3k $6.2m $6.2m 0.00% —
28 MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 648,582648.6k $5.7m $5.7m 0.01% —
29 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 597,320597.3k $5.3m $5.3m 0.00% —
30 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp 0.06% of their portfolio VICTORIA, A1 596,319596.3k $5.3m $5.3m 0.06% —
31 Swiss National Bank 0.00% of their portfolio ZURICH, V8 583,000583.0k $5.2m $5.2m 0.00% —
32 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 572,872572.9k $5.1m $5.1m 0.00% —
33 Public Sector Pension Investment Board 0.04% of their portfolio MONTREAL, A8 543,906543.9k $4.8m $4.8m 0.04% —
34 Covalis Capital LLP 0.88% of their portfolio LONDON, X0 430,600430.6k $3.8m $3.8m 0.88% —
35 CIBC WORLD MARKET INC. 0.02% of their portfolio TORONTO, A6 408,156408.2k $3.6m $3.6m 0.02% —
36 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 355,821355.8k $3.1m $3.1m 0.00% —
37 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.05% of their portfolio Stamford, CT 325,027325.0k $2.9m $2.9m 0.05% —
38 Alberta Investment Management Corp 0.02% of their portfolio EDMONTON, A0 282,800282.8k $2.5m $2.5m 0.02% —
39 FMR LLC 0.00% of their portfolio BOSTON, MA 278,515278.5k $2.5m $2.5m 0.00% —
40 MIRABELLA FINANCIAL SERVICES LLP 0.23% of their portfolio London, X0 250,670250.7k $2.2m $2.2m 0.23% —
41 Waratah Capital Advisors Ltd. 0.14% of their portfolio TORONTO, A6 241,832241.8k $2.1m $2.1m 0.14% —
42 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 235,080235.1k $2.9m $2.9m 0.00% —
43 Legal & General Group Plc 0.00% of their portfolio London, X0 168,821168.8k $1.5m $1.5m 0.00% —
44 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 154,565154.6k $1.4m $1.4m 0.00% —
45 Tacita Capital Inc 0.98% of their portfolio TORONTO, A6 142,455142.5k $1.3m $1.3m 0.98% —
46 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.02% of their portfolio BALA CYNWYD, PA 139,300139.3k $1.2m $1.2m 0.02% —
47 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 131,121131.1k $1.2m $1.2m 0.00% —
48 BESSEMER GROUP INC 0.00% of their portfolio WOODBRIDGE, NJ 122,680122.7k $1.1m $1.1m 0.00% —
49 Versor Investments LP 0.06% of their portfolio New York, NY 117,708117.7k $1.0m $1.0m 0.06% —
50 DORCHESTER WEALTH MANAGEMENT Co 0.21% of their portfolio MONTREAL, A8 108,725108.7k $960.0k $960.0k 0.21% —
51 FIL Ltd 0.00% of their portfolio HAMILTON, D0 108,707108.7k $961.0k $961.0k 0.00% —
52 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 89,25389.3k $788.0k $788.0k 0.00% —
53 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 74,11174.1k $657.0k $657.0k 0.00% —
54 ROOSEVELT INVESTMENT GROUP LLC 0.05% of their portfolio NEW YORK, NY 71,81071.8k $634.0k $634.0k 0.05% —
55 Cubist Systematic Strategies, LLC 0.00% of their portfolio STAMFORD, CT 66,58966.6k $588.0k $588.0k 0.00% —
56 BlackRock Inc. 0.00% of their portfolio New York, NY 53,45853.5k $472.0k $472.0k 0.00% —
57 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 50,98351.0k $450.0k $450.0k 0.00% —
58 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 50,80250.8k $449.0k $449.0k 0.00% —
59 SG Americas Securities, LLC 0.01% of their portfolio NEW YORK, NY 49,34349.3k $436.0k $436.0k 0.01% —
60 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 43,40043.4k $383.0k $383.0k 0.00% —
61 Pendal Group Ltd 0.00% of their portfolio SYDNEY, C3 41,82941.8k $369.0k $369.0k 0.00% —
62 Claret Asset Management Corp 0.08% of their portfolio MONTREAL, A8 40,24740.2k $355.0k $355.0k 0.08% —
63 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 39,66439.7k $350.2k $350.2k 0.00% —
64 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 39,19639.2k $348.0k $348.0k 0.00% —
65 Advisors Asset Management, Inc. 0.01% of their portfolio Monument, CO 36,84536.8k $325.0k $325.0k 0.01% —
66 Ilmarinen Mutual Pension Insurance Co 0.01% of their portfolio HELSINKI, H9 35,91535.9k $319.0k $319.0k 0.01% —
67 Northwest & Ethical Investments L.P. 0.01% of their portfolio TORONTO, A6 33,87133.9k $299.4k $299.4k 0.01% —
68 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 33,50033.5k $296.0k $296.0k 0.00% —
69 BOULDER HILL CAPITAL MANAGEMENT LP 0.21% of their portfolio NEW YORK, NY 31,80031.8k $281.0k $281.0k 0.21% —
70 Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio ZURICH, V8 28,68028.7k $255.0k $255.0k 0.00% —
71 TUDOR INVESTMENT CORP ET AL 0.01% of their portfolio STAMFORD, CT 28,27528.3k $250.0k $250.0k 0.01% —
72 Mariner, LLC 0.00% of their portfolio Overland Park, KS 27,55627.6k $243.0k $243.0k 0.00% —
73 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 27,03827.0k $239.0k $239.0k 0.00% —
74 SHELL ASSET MANAGEMENT CO 0.01% of their portfolio THE HAGUE, P7 21,88421.9k $194.0k $194.0k 0.01% —
75 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 21,43821.4k $189.0k $189.0k 0.00% —
76 ExodusPoint Capital Management, LP 0.00% of their portfolio NEW YORK, NY 20,85120.9k $184.0k $184.0k 0.00% —
77 RAYMOND JAMES & ASSOCIATES 0.00% of their portfolio ST PETERSBURG, FL 19,00019.0k $168.0k $168.0k 0.00% —
78 Campbell & CO Investment Adviser LLC 0.03% of their portfolio BALTIMORE, MD 17,25517.3k $152.0k $152.0k 0.03% —
79 TD Waterhouse Canada Inc. 0.00% of their portfolio TORONTO, A6 16,97817.0k $209.9k $209.9k 0.00% —
80 Man Group plc 0.00% of their portfolio LONDON, X0 15,70015.7k $140.0k $140.0k 0.00% —
81 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 15,56115.6k $138.0k $138.0k 0.00% —
82 XTX Topco Ltd 0.03% of their portfolio LONDON, X0 13,05513.1k $115.0k $115.0k 0.03% —
83 UBS Group AG 0.00% of their portfolio ZURICH, V8 12,06312.1k $107.0k $107.0k 0.00% —
84 Kepos Capital LP 0.01% of their portfolio NEW YORK, NY 10,04710.0k $90.0k $90.0k 0.01% —
85 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 10,01110.0k $88.0k $88.0k 0.00% —
86 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 6,2436.2k $55.0k $55.0k 0.00% —
87 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 5,2765.3k $47.0k $47.0k 0.00% —
88 State of Wyoming 0.02% of their portfolio CHEYENNE, WY 4,4024.4k $39.0k $39.0k 0.02% —
89 SENTRY INVESTMENT MANAGEMENT LLC 0.02% of their portfolio Stevens Point, WI 4,2804.3k $38.0k $38.0k 0.02% —
90 1832 Asset Management L.P. 0.00% of their portfolio TORONTO, A6 3,9323.9k $35.0k $35.0k 0.00% —
91 SIGNATUREFD, LLC 0.00% of their portfolio ATLANTA, GA 2,2832.3k $20.0k $20.0k 0.00% —
92 DekaBank Deutsche Girozentrale 0.00% of their portfolio FRANKFURT, 2M 2,1002.1k $19.0k $19.0k 0.00% —
93 Lindbrook Capital, LLC 0.00% of their portfolio CALABASAS, CA 1,9752.0k $17.0k $17.0k 0.00% —
94 Hillsdale Investment Management Inc. 0.00% of their portfolio Toronto, A6 960960 $8.0k $8.0k 0.00% —
95 WIPFLI FINANCIAL ADVISORS LLC, 0.00% of their portfolio MILWAUKEE, WI 927927 $8.0k $8.0k 0.00% —
96 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 700700 $6.0k $6.0k 0.00% —
97 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 438438 $18.0k $18.0k 0.00% —
98 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 292292 $3.0k $3.0k 0.00% —
99 QUADRANT CAPITAL GROUP LLC 0.00% of their portfolio CINCINNATI, OH 154154 $1.0k $1.0k 0.00% —
100 Hartford Financial Management Inc. 0.00% of their portfolio WEST HARTFORD, CT 100100 $1.0k $1.0k 0.00% —