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The company

TransAlta Corporation

TAC · NYSE

UtilitiesElectric Utilities & IPPsAbove a falling average

TAC stood above a rising 150-day average in 10 of the last 52 weekly readings, and has been out of that trend for the last 33 weeks. It is 0.7% above that average now. Electric Utilities & IPPs: 11% of its 75 stocks in an uptrend (+1 points in four weeks); Utilities: 11% (−7 points in four weeks).

SEC filings

Statistics

Rotation: Above a falling average
Weeks in an uptrend: out for 33
Industry in uptrend: 11% +1 in 4 wk
Insider buys, 12 months: $0
Insider sales, 12 months: $0
Officials’ trades on record: 1
Institutions holding: 173 (+3)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 10 of 52 weeks.

20 Apr – 19 Oct

Electric Utilities & IPPs: Few of its stocks are in an uptrend and the share has held steady. Utilities: Few of its stocks are in an uptrend and the share has been slipping.

Money in and out

1 Nov 2024 – 1 Oct 2026

Open-market buys above the line and sales below, in dollars.

Congress and officials

1 disclosed lines: House 0, Senate 1, executive 0; 1 people.

Who	Did	Amount	Traded
Thomas R. Carper Senate: U.S. Senate eFDSenator	exchangedspouse	$1k–$15k	21 Dec 2023filed 3 Jan 2024

Insiders

Buy orders, 12 months0

Sale orders, 12 months0

Buyers · sellers0 · 0

No open-market buy or sale by its insiders on record.

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders173+3 on the quarter

New · exited33 · 30

Reported value$3.3B

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

Manager	Shares	Change
ROYAL BANK OF CANADAadded · filed 14 Aug 2026	28,204,092$390.1M	+2,896,400+11.4%
Brookfield Corpadded · filed 14 Aug 2026	26,960,857$372.9M	+6,2330.0%
BANK OF MONTREALadded · filed 12 Aug 2026	21,875,088$302.3M	+4,160,535+23.5%
Rubric Capital Management LPadded · filed 14 Aug 2026	20,232,011$279.8M	+2,450,686+13.8%
TORONTO DOMINION BANKadded · filed 14 Aug 2026	11,710,560$161.8M	+7,129,673+155.6%
MORGAN STANLEYadded · filed 13 Aug 2026	11,392,068$157.6M	+6,147,869+117.2%
GOLDMAN SACHS GROUP INCadded · filed 14 Aug 2026	10,620,447$146.9M	+3,093,884+41.1%
MILLENNIUM MANAGEMENT LLCadded · filed 14 Aug 2026	10,427,393$144.1M	+2,109,393+25.4%
BANK OF AMERICA CORPadded · filed 14 Aug 2026	8,925,097$123.4M	+968,068+12.2%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	7,798,076$107.9M	+58,595+0.8%