ATCO Ownership

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

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of 8A60?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	1,693,403	1.5%
Institutions	27,158,226	24.1%
Private Companies	38,435,863	34.2%
General Public	45,233,987	40.2%

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

Top Shareholders

Top 25 shareholders own 57.97% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
34.2%	Sentgraf Enterprises Ltd.	38,435,863	€1.2b	2.7%	no data
6.51%	RBC Global Asset Management Inc.	7,326,507	€234.8m	0.39%	0.15%
2.74%	The Vanguard Group, Inc.	3,084,683	€98.9m	1.66%	no data
2.58%	BlackRock, Inc.	2,905,080	€93.1m	4.98%	no data
2.31%	BMO Asset Management Corp.	2,604,477	€83.5m	4.82%	0.04%
1.47%	Energy Income Partners LLC	1,658,667	€53.2m	1.94%	1.13%
1.11%	TD Asset Management, Inc.	1,253,206	€40.2m	0%	0.03%
1.05%	Dimensional Fund Advisors LP	1,181,787	€37.9m	-0.38%	0.01%
0.78%	Franklin Resources, Inc.	875,036	€28.0m	-42.3%	0.01%
0.76%	Norges Bank Investment Management	849,768	€27.2m	0%	no data
0.68%	Nancy Southern	767,113	€24.6m	-8.46%	no data
0.58%	Manulife Asset Management	655,351	€21.0m	0.01%	0.02%
0.49%	MD Private Trust Company	545,950	€17.5m	0%	1.56%
0.34%	Linda Southern-Heathcott	381,537	€12.2m	13.2%	no data
0.3%	Margaret Southern	342,492	€11.0m	13.2%	no data
0.29%	Mackenzie Financial Corporation	327,514	€10.5m	0.7%	0.01%
0.28%	Charles Schwab Investment Management, Inc.	311,315	€10.0m	-4.88%	no data
0.25%	State Street Global Advisors, Inc.	281,905	€9.0m	7.5%	no data
0.24%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	270,799	€8.7m	-26%	no data
0.2%	SEI Investments Management Corporation	222,519	€7.1m	9.48%	0.01%
0.18%	Hillsdale Investment Management Inc.	201,244	€6.4m	-0.2%	0.24%
0.17%	CI Global Asset Management	189,130	€6.1m	-69.9%	0.01%
0.17%	Connor, Clark & Lunn Investment Management Ltd.	188,046	€6.0m	0%	0.03%
0.16%	AQR Capital Management, LLC	182,059	€5.8m	5.87%	0.01%
0.16%	Montrusco Bolton Investments Inc.	181,950	€5.8m	0%	0.06%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/08/04 07:35
End of Day Share Price	2025/08/04 00:00
Earnings	2025/06/30
Annual Earnings	2024/12/31

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.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* 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.

Analyst	Institution
Benjamin Pham	BMO Capital Markets Equity Research
Mark Jarvi	CIBC Capital Markets
Robert Catellier	CIBC Capital Markets