Vault-13

TRANSALTA CORP TAC

COM · Common Stock · CUSIP 89346D107 · ISIN CA89346D1078

Global electricity generation company

124 institutional holders -4 vs Q2 2023
176,514,482176.5m shares reported held*
57.5% of all shares outstanding*
$1.5bnreported value*
16 new 51 added 38 reduced 21 sold out net bought ≈ $18.4m (+1.9m shares)

* 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 ($11.7m this quarter). Holder counts are more reliable. Shares outstanding: 306.9m as of 2023-12-31, 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 ≈ $8.74. Options: 10 managers hold calls ($24.1m notional), 5 hold puts ($1.7m).

Trends to Q3 2023

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 103Q4 22: 111Q1 23: 111Q2 23: 128Q3 23: 124124Q3 22Q4 22Q1 23Q2 23Q3 23
Numbers
QuarterHolders
Q3 2022103
Q4 2022111
Q1 2023111
Q2 2023128
Q3 2023124

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q4 22: 62 bought or addedQ4 22: 50 cut or sold outQ4 22Q1 23: 55 bought or addedQ1 23: 55 cut or sold outQ1 23Q2 23: 73 bought or addedQ2 23: 47 cut or sold outQ2 23Q3 23: 67 bought or addedQ3 23: 59 cut or sold outQ3 23
Numbers
QuarterBought or addedCut or sold out
Q4 20226250
Q1 20235555
Q2 20237347
Q3 20236759

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$10m$20m$30mQ4 22 calls: $5.8mQ4 22 puts: $1.7mQ4 22P/C 0.30Q1 23 calls: $2.5mQ1 23 puts: $1.5mQ1 23P/C 0.59Q2 23 calls: $4.2mQ2 23 puts: $1.3mQ2 23P/C 0.30Q3 23 calls: $24.1mQ3 23 puts: $1.7mQ3 23P/C 0.07
Numbers
QuarterCallsPutsP/C
Q4 2022$5.8m$1.7m0.30
Q1 2023$2.5m$1.5m0.59
Q2 2023$4.2m$1.3m0.30
Q3 2023$24.1m$1.7m0.07

Biggest buyers

Hillsdale Investment Management Inc. Added +1,805,470+1.8m
MILLENNIUM MANAGEMENT LLC Added +1,124,414+1.1m
Rubric Capital Management LP Added +978,354+978.4k
GOLDMAN SACHS GROUP INC Added +959,019+959.0k
GLAZER CAPITAL, LLC New +678,356+678.4k
CIBC WORLD MARKET INC. Added +636,610+636.6k
ROYAL BANK OF CANADA Added +581,454+581.5k
Yaupon Capital Management LP Added +511,472+511.5k
Waratah Capital Advisors Ltd. Added +466,541+466.5k
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Added +407,078+407.1k

Biggest sellers

Marquard & Bahls AG Reduced -4,047,329-4.0m
BANK OF MONTREAL /CAN/ Reduced -1,618,086-1.6m
Caldwell Investment Management Ltd. Sold out -710,000-710.0k
BANK OF AMERICA CORP /DE/ Reduced -347,299-347.3k
ACADIAN ASSET MANAGEMENT LLC Reduced -261,100-261.1k
Man Group plc Sold out -256,630-256.6k
JPMORGAN CHASE & CO Reduced -229,527-229.5k
D. E. Shaw & Co., Inc. Reduced -219,900-219.9k
K.J. Harrison & Partners Inc Sold out -200,000-200.0k
Point72 Asset Management, L.P. Reduced -194,972-195.0k

Biggest calls

BANK OF MONTREAL /CAN/ Added $12.1m1.3m shares
Balyasny Asset Management L.P. New $5.2m600.0k shares
SIG North Trading, ULC Added $2.6m302.7k shares
Waratah Capital Advisors Ltd. New $1.7m200.0k shares
K2 PRINCIPAL FUND, L.P. New $870.0k100.0k shares
D. E. Shaw & Co., Inc. Unchanged $784.2k90.0k shares
GROUP ONE TRADING LLC New $505.5k58.1k shares
CITADEL ADVISORS LLC Reduced $211.4k24.3k shares
SIMPLEX TRADING, LLC Added $55.0k6.4k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

D. E. Shaw & Co., Inc. Unchanged $784.2k90.0k shares
SIG North Trading, ULC Added $774.3k89.0k shares
CITADEL ADVISORS LLC Reduced $123.5k14.2k shares
GROUP ONE TRADING LLC New $870100 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $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)

Insider purchases and sales in Q3 2023

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 2023.

Holders, Q3 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 ROYAL BANK OF CANADA 0.10% of their portfolio TORONTO, A6 39,322,83939.3m $342.1m $342.1m 0.10% Added +581.5k +581,454
2 Brookfield Corp /ON/ 1.93% of their portfolio TORONTO, A6 35,480,12435.5m $309.1m $309.1m 1.93% Added +7.8k +7,782
3 CIBC Asset Management Inc 0.41% of their portfolio TORONTO, Z4 11,245,41311.2m $98.2m $98.2m 0.41% Added +5.1k +5,120
4 Marquard & Bahls AG 10.58% of their portfolio Hamburg, 2M 10,985,67111.0m $95.6m $95.6m 10.58% Reduced -4.0m -4,047,329
5 BANK OF MONTREAL /CAN/ 0.03% of their portfolio TORONTO, A6 10,198,37310.2m $95.0m $95.0m 0.03% Reduced -1.6m -1,618,086
6 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 8,381,5448.4m $72.9m $72.9m 0.00% Added +82.4k +82,419
7 MACKENZIE FINANCIAL CORP 0.08% of their portfolio TORONTO ONTARIO, A6 6,221,0386.2m $50.4m $50.4m 0.08% Reduced -29.2k -29,222
8 TORONTO DOMINION BANK 0.04% of their portfolio TORONTO, ONTARIO, A6 5,543,9645.5m $48.2m $48.2m 0.04% Added +48.5k +48,452
9 Rubric Capital Management LP 1.61% of their portfolio NEW YORK, NY 4,404,8444.4m $38.3m $38.3m 1.61% Added +978.4k +978,354
10 TD Asset Management Inc 0.04% of their portfolio Toronto, A6 3,804,2653.8m $33.3m $33.3m 0.04% Reduced -34.0k -34,044
11 MILLENNIUM MANAGEMENT LLC 0.03% of their portfolio NEW YORK, NY 3,626,5193.6m $31.6m $31.6m 0.03% Added +1.1m +1,124,414
12 NATIONAL BANK OF CANADA /FI/ 0.05% of their portfolio MONTREAL, A8 3,402,7423.4m $28.4m $28.4m 0.05% Reduced -126.5k -126,478
13 Waratah Capital Advisors Ltd. 1.03% of their portfolio TORONTO, A6 2,584,6722.6m $22.5m $22.5m 1.03% Added +466.5k +466,541
14 INTACT INVESTMENT MANAGEMENT INC. 0.96% of their portfolio MONTREAL, A8 2,536,3502.5m $22.1m $22.1m 0.96% Reduced -5.6k -5,600
15 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 2,487,6192.5m $21.6m $21.6m 0.01% Added +959.0k +959,019
16 RENAISSANCE TECHNOLOGIES LLC 0.04% of their portfolio NEW YORK, NY 2,382,9412.4m $20.7m $20.7m 0.04% Added +334.5k +334,470
17 CIBC WORLD MARKET INC. 0.06% of their portfolio TORONTO, A6 1,919,3681.9m $16.7m $16.7m 0.06% Added +636.6k +636,610
18 Hillsdale Investment Management Inc. 1.44% of their portfolio Toronto, A6 1,806,1101.8m $15.7m $15.7m 1.44% Added +1.8m +1,805,470
19 Yaupon Capital Management LP 1.77% of their portfolio NEW YORK, NY 1,792,0781.8m $15.6m $15.6m 1.77% Added +511.5k +511,472
20 SCOTIA CAPITAL INC. 0.11% of their portfolio TORONTO, A6 1,780,3071.8m $15.5m $15.5m 0.11% Reduced -27.6k -27,585
21 Federation des caisses Desjardins du Quebec 0.14% of their portfolio LEVIS, A8 1,565,9341.6m $13.7m $13.7m 0.14% Reduced -59.6k -59,576
22 FIRST MANHATTAN CO. LLC. 0.03% of their portfolio NEW YORK, NY 934,352934.4k $8.1m $8.1m 0.03% Reduced -9.8k -9,800
23 Connor, Clark & Lunn Investment Management Ltd. 0.04% of their portfolio VANCOUVER, A1 819,958820.0k $7.1m $7.1m 0.04% Reduced -46.7k -46,700
24 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 802,037802.0k $7.0m $7.0m 0.00% Reduced -126.9k -126,930
25 BANK OF NOVA SCOTIA 0.02% of their portfolio TORONTO, A6 787,423787.4k $6.9m $6.9m 0.02% Added +30.0k +29,983
26 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 743,482743.5k $6.5m $6.5m 0.00% Reduced -4.7k -4,728
27 ACADIAN ASSET MANAGEMENT LLC 0.03% of their portfolio Boston, MA 722,605722.6k $6.3m $6.3m 0.03% Reduced -261.1k -261,100
28 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 685,831685.8k $6.0m $6.0m 0.00% Added +94.6k +94,558
29 GLAZER CAPITAL, LLC 0.39% of their portfolio New York, NY 678,356678.4k $5.9m $5.9m 0.39% New
30 Triasima Portfolio Management inc. 0.48% of their portfolio MONTREAL, A8 601,393601.4k $5.3m $5.3m 0.48% Added +399.3k +399,334
31 Swiss National Bank 0.00% of their portfolio ZURICH, V8 497,300497.3k $4.4m $4.4m 0.00% Reduced -7.6k -7,600
32 NewGen Asset Management Ltd 3.19% of their portfolio TORONTO, A6 476,000476.0k $4.1m $4.1m 3.19% Unchanged
33 Public Sector Pension Investment Board 0.03% of their portfolio MONTREAL, A8 455,269455.3k $4.0m $4.0m 0.03% Reduced -7.1k -7,068
34 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 418,138418.1k $3.6m $3.6m 0.00% Added +407.1k +407,078
35 TD Waterhouse Canada Inc. 0.05% of their portfolio TORONTO, A6 414,760414.8k $4.6m $4.6m 0.05% Reduced -12.0k -11,998
36 Point72 Asset Management, L.P. 0.01% of their portfolio STAMFORD, CT 407,300407.3k $3.6m $3.6m 0.01% Reduced -195.0k -194,972
37 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp 0.03% of their portfolio VICTORIA, A1 396,656396.7k $3.5m $3.5m 0.03% Reduced -1.5k -1,518
38 TWO SIGMA ADVISERS, LP 0.01% of their portfolio NEW YORK, NY 354,499354.5k $3.1m $3.1m 0.01% Added +225.0k +224,999
39 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 347,575347.6k $3.0m $3.0m 0.01% Added +195.1k +195,119
40 AMH Equity Ltd 3.71% of their portfolio Great Neck, NY 334,864334.9k $2.9m $2.9m 3.71% New
41 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 334,120334.1k $2.9m $2.9m 0.00% Reduced -229.5k -229,527
42 MARSHALL WACE, LLP 0.01% of their portfolio LONDON, X0 287,237287.2k $2.5m $2.5m 0.01% Added +152.7k +152,687
43 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 270,610270.6k $2.4m $2.4m 0.00% Reduced -9.0k -8,982
44 Man Group plc 0.01% of their portfolio LONDON, X0 267,930267.9k $2.3m $2.3m 0.01% New
45 GUARDIAN CAPITAL ADVISORS LP 0.26% of their portfolio TORONTO, A6 259,392259.4k $2.3m $2.3m 0.26% Added +245.5k +245,492
46 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.03% of their portfolio Stamford, CT 255,370255.4k $2.2m $2.2m 0.03% Reduced -28.3k -28,348
47 PCJ Investment Counsel Ltd. 1.02% of their portfolio TORONTO, A6 254,900254.9k $2.2m $2.2m 1.02% Reduced -104.0k -104,010
48 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 232,797232.8k $2.8m $2.8m 0.00% Added +8.2k +8,183
49 Polar Asset Management Partners Inc. 0.04% of their portfolio TORONTO, A6 210,000210.0k $1.8m $1.8m 0.04% New
50 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 205,165205.2k $1.8m $1.8m 0.00% Reduced -161.1k -161,088
51 Legal & General Group Plc 0.00% of their portfolio London, X0 193,092193.1k $1.7m $1.7m 0.00% Unchanged
52 Alberta Investment Management Corp 0.02% of their portfolio EDMONTON, A0 181,300181.3k $1.6m $1.6m 0.02% Added +27.7k +27,700
53 Skandinaviska Enskilda Banken AB (publ) 0.01% of their portfolio STOCKHOLM, V7 173,400173.4k $2.1m $2.1m 0.01% Added +35.7k +35,700
54 Tacita Capital Inc 1.11% of their portfolio TORONTO, A6 163,155163.2k $1.4m $1.4m 1.11% Added +3.7k +3,675
55 TUDOR INVESTMENT CORP ET AL 0.02% of their portfolio STAMFORD, CT 138,577138.6k $1.2m $1.2m 0.02% New
56 DORCHESTER WEALTH MANAGEMENT Co 0.24% of their portfolio MONTREAL, A8 136,775136.8k $1.2m $1.2m 0.24% Added +4.1k +4,100
57 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 126,013126.0k $1.1m $1.1m 0.00% Reduced -4.6k -4,602
58 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 121,284121.3k $1.1m $1.1m 0.00% New
59 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 103,124103.1k $897.2k $897.2k 0.00% Reduced -347.3k -347,299
60 Northwest & Ethical Investments L.P. 0.03% of their portfolio TORONTO, A6 98,90898.9k $861.5k $861.5k 0.03% Added +70.9k +70,874
61 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 91,52191.5k $797.4k $797.4k 0.00% Added +2.3k +2,323
62 MIRABELLA FINANCIAL SERVICES LLP 0.11% of their portfolio London, X0 88,68588.7k $772.7k $772.7k 0.11% New
63 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 84,60284.6k $736.9k $736.9k 0.00% Added +28.6k +28,600
64 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 83,07183.1k $722.7k $722.7k 0.00% Added +49.3k +49,264
65 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 75,80575.8k $659.5k $659.5k 0.00% Reduced -2.8k -2,763
66 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 73,60073.6k $644.1k $644.1k 0.00% Added +2.3k +2,300
67 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 69,01569.0k $600.4k $600.4k 0.00% Added +10.0k +10,023
68 Corient Private Wealth LP 0.00% of their portfolio MIAMI, FL 62,99063.0k $548.0k $548.0k 0.00% Reduced -5.3k -5,300
69 Greenland Capital Management LP 0.06% of their portfolio NEW YORK, NY 60,00060.0k $525.1k $525.1k 0.06% New
70 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 53,66853.7k $466.9k $466.9k 0.00% Added +40.7k +40,733
71 BlackRock Inc. 0.00% of their portfolio New York, NY 50,89050.9k $442.7k $442.7k 0.00% Added +4.9k +4,942
72 ALGERT GLOBAL LLC 0.02% of their portfolio SAN FRANCISCO, CA 49,80049.8k $435.5k $435.5k 0.02% Unchanged
73 UBS Group AG 0.00% of their portfolio ZURICH, V8 43,72043.7k $380.4k $380.4k 0.00% Reduced -12.6k -12,550
74 Claret Asset Management Corp 0.07% of their portfolio MONTREAL, A8 42,44742.4k $370.0k $370.0k 0.07% Unchanged
75 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 41,15541.2k $358.6k $358.6k 0.00% Reduced -219.9k -219,900
76 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 40,90040.9k $355.8k $355.8k 0.00% Added +7.4k +7,400
77 Virtus Investment Advisers, LLC 0.24% of their portfolio HARTFORD, CT 40,72240.7k $354.3k $354.3k 0.24% Added +3.5k +3,517
78 Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio ZURICH, V8 39,73339.7k $347.7k $347.7k 0.00% Added +6.9k +6,884
79 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 38,56938.6k $337.5k $337.5k 0.00% Reduced -44 -44
80 Cubist Systematic Strategies, LLC 0.00% of their portfolio STAMFORD, CT 37,58137.6k $327.0k $327.0k 0.00% Reduced -27.6k -27,587
81 Pictet Asset Management Holding SA 0.00% of their portfolio CAROUGE, V8 37,27737.3k $326.2k $326.2k 0.00% First filing
82 Raymond James Financial Services Advisors, Inc. 0.00% of their portfolio ST. PETERSBURG, FL 36,72336.7k $319.5k $319.5k 0.00% Added +18.5k +18,451
83 PDT Partners, LLC 0.04% of their portfolio New York, NY 33,93333.9k $295.2k $295.2k 0.04% Unchanged
84 Mariner, LLC 0.00% of their portfolio Overland Park, KS 33,25033.2k $289.3k $289.3k 0.00% Added +2.2k +2,242
85 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 26,06926.1k $226.8k $226.8k 0.00% Added +12.7k +12,726
86 Nebula Research & Development LLC 0.10% of their portfolio New York, NY 22,85122.9k $198.8k $198.8k 0.10% Reduced -29.0k -29,047
87 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 22,57922.6k $197.0k $197.0k 0.00% Added +11.9k +11,900
88 SIMPLEX TRADING, LLC 0.01% of their portfolio CHICAGO, IL 19,63219.6k $170.0k $170.0k 0.01% New
89 SHELL ASSET MANAGEMENT CO 0.01% of their portfolio THE HAGUE, P7 18,38418.4k $161.0k $161.0k 0.01% Unchanged
90 WCG Wealth Advisors LLC 0.02% of their portfolio LAS VEGAS, NV 18,32718.3k $206.0k $206.0k 0.02% New
91 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 17,19017.2k $149.6k $149.6k 0.00% New
92 Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio OAKLAND, CA 16,29816.3k $141.8k $141.8k 0.00% Added +1.0k +1,045
93 Clayton Partners LLC 0.12% of their portfolio BERKELEY, CA 16,02916.0k $139.5k $139.5k 0.12% Added +453 +453
94 RAYMOND JAMES & ASSOCIATES 0.00% of their portfolio ST PETERSBURG, FL 16,00016.0k $139.2k $139.2k 0.00% Unchanged
95 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 15,81515.8k $137.0k $137.0k 0.00% Reduced -23.4k -23,426
96 Kepos Capital LP 0.02% of their portfolio NEW YORK, NY 15,12315.1k $131.0k $131.0k 0.02% Reduced -349 -349
97 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.01% of their portfolio BIRMINGHAM, AL 13,86313.9k $121.2k $121.2k 0.01% Added +1.2k +1,228
98 Schonfeld Strategic Advisors LLC 0.00% of their portfolio NEW YORK, NY 12,10012.1k $105.3k $105.3k 0.00% New
99 Quantbot Technologies LP 0.01% of their portfolio NEW YORK, NY 11,71211.7k $101.9k $101.9k 0.01% Added +2.4k +2,392
100 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 11,65811.7k $102.0k $102.0k 0.00% New