ATCO Ltd.

TSX:ACO.X Stock Report

Market Cap: CA$5.4b

ATCO Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

TSX:ACO.X Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
06 Aug 25SellCA$50,570Katherine-Jane PatrickIndividual1,000CA$50.57
09 Jun 25BuyCA$2,366,657Nancy SouthernIndividual46,807CA$50.64
09 Jun 25BuyCA$2,366,657Linda Southern-HeathcottIndividual46,807CA$50.64
09 Jun 25BuyCA$2,366,657Margaret SouthernIndividual46,807CA$50.64
09 Jun 25BuyCA$2,366,657Sentgraf Enterprises Ltd.Company46,807CA$50.64
09 May 25SellCA$40,143James ArmstrongIndividual781CA$51.40
09 May 25SellCA$3,846Colin JacksonIndividual76CA$50.61
08 May 25SellCA$877,707Adam BeattieIndividual17,150CA$51.24
26 Mar 25SellCA$4,925Katherine-Jane PatrickIndividual100CA$49.25
26 Mar 25SellCA$566,153Katherine-Jane PatrickIndividual11,476CA$49.62
26 Mar 25SellCA$9,900Katherine-Jane PatrickIndividual200CA$49.50
26 Mar 25SellCA$1,191,042Katherine-Jane PatrickIndividual24,076CA$49.65
25 Mar 25BuyCA$6,558James LandonIndividual137CA$47.87
24 Mar 25SellCA$197,303P. CookIndividual4,045CA$48.86
13 Mar 25BuyCA$2,366,073Linda Southern-HeathcottIndividual49,100CA$48.28
13 Mar 25BuyCA$2,187,445Margaret SouthernIndividual45,400CA$48.25
13 Mar 25BuyCA$2,366,073Sentgraf Enterprises Ltd.Company49,100CA$48.28
13 Mar 25BuyCA$2,366,073Nancy SouthernIndividual49,100CA$48.28
13 Mar 25BuyCA$178,628Margaret SouthernIndividual3,700CA$48.28
03 Jan 25BuyCA$499,689Dawn FarrellIndividual10,550CA$47.36
09 Dec 24BuyCA$888,146Nancy SouthernIndividual18,100CA$49.25
09 Dec 24BuyCA$246,250Linda Southern-HeathcottIndividual5,000CA$49.25
09 Dec 24BuyCA$888,146Margaret SouthernIndividual18,100CA$49.25
09 Dec 24BuyCA$1,745,007Linda Southern-HeathcottIndividual35,500CA$49.44
09 Dec 24BuyCA$1,991,257Sentgraf Enterprises Ltd.Company40,500CA$49.44
06 Dec 24BuyCA$1,104,345Nancy SouthernIndividual22,400CA$49.50
06 Dec 24BuyCA$1,104,345Margaret SouthernIndividual22,400CA$49.50
22 Nov 24SellCA$9,841Adam BeattieIndividual200CA$49.26
27 Sep 24BuyCA$289,700Sentgraf Enterprises Ltd.Company6,000CA$48.50
26 Sep 24BuyCA$833,837Sentgraf Enterprises Ltd.Company17,400CA$48.20
25 Sep 24BuyCA$1,022,338Linda Southern-HeathcottIndividual21,600CA$47.50
25 Sep 24BuyCA$1,022,338Margaret SouthernIndividual21,600CA$47.50
25 Sep 24BuyCA$1,022,338Sentgraf Enterprises Ltd.Company21,600CA$47.50
25 Sep 24BuyCA$1,022,338Nancy SouthernIndividual21,600CA$47.50
24 Sep 24BuyCA$1,017,230Linda Southern-HeathcottIndividual22,000CA$46.25
24 Sep 24BuyCA$1,386,427Sentgraf Enterprises Ltd.Company30,000CA$46.25
24 Sep 24BuyCA$1,386,427Nancy SouthernIndividual30,000CA$46.25
24 Sep 24BuyCA$369,197Linda Southern-HeathcottIndividual8,000CA$46.15
24 Sep 24BuyCA$1,386,427Margaret SouthernIndividual30,000CA$46.25
23 Sep 24BuyCA$450,539Nancy SouthernIndividual9,900CA$45.65
23 Sep 24BuyCA$450,539Sentgraf Enterprises Ltd.Company9,900CA$45.65
23 Sep 24BuyCA$450,539Linda Southern-HeathcottIndividual9,900CA$45.65
23 Sep 24BuyCA$450,539Margaret SouthernIndividual9,900CA$45.65

Insider Trading Volume

Insider Buying: ACO.X insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of ACO.X?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders1,694,9681.51%
Institutions27,974,41225%
Private Companies38,435,86334.3%
General Public43,930,31039.2%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 58.68% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
34.3%
Sentgraf Enterprises Ltd.
38,435,863CA$1.9b2.7%no data
6.81%
RBC Global Asset Management Inc.
7,626,671CA$368.7m-0.37%0.14%
2.79%
The Vanguard Group, Inc.
3,127,750CA$151.2m0.67%no data
2.67%
BlackRock, Inc.
2,990,161CA$144.5m2.23%no data
2.52%
BMO Asset Management Corp.
2,825,972CA$136.6m8.5%0.04%
1.39%
Energy Income Partners LLC
1,561,761CA$75.5m0.52%1.02%
1.12%
TD Asset Management, Inc.
1,253,475CA$60.6m0.02%0.03%
1.08%
Dimensional Fund Advisors LP
1,212,366CA$58.6m2.6%0.01%
0.77%
Norges Bank Investment Management
859,352CA$41.5m1.13%no data
0.68%
Nancy Southern
767,113CA$37.1m-8.46%no data
0.56%
Manulife Asset Management
631,451CA$30.5m-3.64%0.02%
0.55%
CI Global Asset Management
614,062CA$29.7m225%0.04%
0.53%
Franklin Resources, Inc.
592,809CA$28.7m-60.9%0.01%
0.49%
MD Private Trust Company
545,950CA$26.4m0%1.39%
0.34%
Linda Southern-Heathcott
381,537CA$18.4m13.2%no data
0.31%
Margaret Southern
342,492CA$16.6m13.2%no data
0.29%
Mackenzie Financial Corporation
328,894CA$15.9m0.42%0.01%
0.28%
Charles Schwab Investment Management, Inc.
314,648CA$15.2m1.86%no data
0.21%
State Street Global Advisors, Inc.
229,757CA$11.1m-18.5%no data
0.19%
AQR Capital Management, LLC
214,092CA$10.3m17.6%0.01%
0.18%
Hillsdale Investment Management Inc.
206,944CA$10.0m2.83%0.18%
0.17%
Connor, Clark & Lunn Investment Management Ltd.
188,046CA$9.1m0%0.02%
0.16%
Montrusco Bolton Investments Inc.
181,950CA$8.8m0%0.05%
0.14%
Victory Capital Management Inc.
158,803CA$7.7m0%no data
0.13%
Invesco Ltd.
146,913CA$7.1m-1.69%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/09/17 05:50
End of Day Share Price 2025/09/17 00:00
Earnings2025/06/30
Annual Earnings2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

ATCO Ltd. is covered by 13 analysts. 5 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Benjamin PhamBMO Capital Markets Equity Research
Mark JarviCIBC Capital Markets
Robert CatellierCIBC Capital Markets