ATCO Ltd.

TSX:ACO.X Stock Report

Market Cap: CA$8.1b

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
30 Jun 26SellCA$19,980Rebecca KalmacoffIndividual270CA$74.00
08 Jun 26SellCA$15,911Colin JacksonIndividual225CA$70.73
04 Jun 26SellCA$70,770G. FriesenIndividual1,000CA$70.77
30 Mar 26SellCA$53,047Adam BeattieIndividual786CA$67.49
06 Mar 26SellCA$2,834,526Rebecca PenriceIndividual43,473CA$65.96
08 Dec 25BuyCA$2,367,528Nancy SouthernIndividual44,425CA$53.60
08 Dec 25BuyCA$2,367,528Linda Southern-HeathcottIndividual44,425CA$53.60
08 Dec 25BuyCA$2,367,528Margaret SouthernIndividual44,425CA$53.60
08 Dec 25BuyCA$2,367,528Sentgraf Enterprises Ltd.Company44,425CA$53.60
25 Nov 25SellCA$2,787Colin JacksonIndividual50CA$55.74
12 Nov 25SellCA$177,500Donald SharpeIndividual3,189CA$55.66
11 Nov 25SellCA$76,608Kyle BrunnerIndividual1,378CA$55.69
10 Nov 25SellCA$16,729Adam BeattieIndividual300CA$55.83
10 Nov 25SellCA$804,012Adam BeattieIndividual14,550CA$55.50
06 Nov 25SellCA$78,288Adam BeattieIndividual1,400CA$55.92
23 Sep 25SellCA$14,463Christine SimpsonIndividual300CA$48.21
22 Sep 25BuyCA$2,365,054Sentgraf Enterprises Ltd.Company48,945CA$48.40

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 Insiders1,112,6430.989%
Institutions26,185,87823.3%
Private Companies38,529,23334.2%
General Public46,699,73341.5%

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

Top Shareholders

Top 25 shareholders own 56.37% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
34.2%
Sentgraf Enterprises Ltd.
38,529,233CA$2.8b0%no data
7.85%
RBC Global Asset Management Inc.
8,833,227CA$632.7m0.02%0.2%
3.34%
BlackRock, Inc.
3,763,266CA$269.6m7.59%no data
2.81%
BMO Asset Management Corp.
3,165,952CA$226.8m4.99%0.05%
1.09%
Energy Income Partners LLC
1,226,588CA$87.9m0.09%0.95%
1.06%
Dimensional Fund Advisors LP
1,198,377CA$85.8m0.32%0.01%
0.97%
TD Asset Management, Inc.
1,096,770CA$78.6m15.3%0.03%
0.64%
Victory Capital Management Inc.
717,539CA$51.4m57.7%0.02%
0.44%
Nancy Southern
499,999CA$35.8m0%no data
0.37%
Vanguard Global Advisers, LLC
415,663CA$29.8m0%0.01%
0.36%
MD Private Trust Company
410,550CA$29.4m-19.4%1.43%
0.35%
Margaret Southern
394,593CA$28.3m0%no data
0.35%
Mackenzie Financial Corporation
391,564CA$28.0m0.25%0.02%
0.3%
Invesco Ltd.
342,497CA$24.5m-8.03%no data
0.29%
Picton Mahoney Asset Management
321,591CA$23.0m0%0.17%
0.27%
La Caisse de dépôt et placement du Québec
300,321CA$21.5m0%0.01%
0.22%
CI Global Asset Management
251,603CA$18.0m-2.25%0.02%
0.22%
Norges Bank Investment Management
251,603CA$18.0m-73.7%no data
0.21%
Manulife Asset Management
241,494CA$17.3m23.5%0.01%
0.2%
SEI Investments Company
222,612CA$15.9m-0.8%0.01%
0.19%
Charles Schwab Investment Management, Inc.
214,040CA$15.3m14.6%no data
0.18%
Montrusco Bolton Investments Inc.
207,273CA$14.8m0%0.13%
0.15%
State Street Investment Management
164,728CA$11.8m0.88%no data
0.12%
Deka Investment GmbH
138,074CA$9.9m0%no data
0.11%
Allianz Asset Management GmbH
127,679CA$9.1m0%0.01%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/09/14 17:56
End of Day Share Price 2026/09/11 00:00
Earnings2026/06/30
Annual Earnings2025/12/31

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 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 9 analysts. 6 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
Mark JarviDesjardins Securities Inc.