ATCO Ownership

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

Recent Insider Transactions

TSX:ACO.Y Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
21 Dec 23	BuyCA$39,474	Colin Jackson	Individual		1,000	CA$39.47
03 May 23	BuyCA$13,923	Colin Jackson	Individual		300	CA$46.41

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 ACO.Y?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	1,426,272	1.27%
Institutions	26,602,800	23.7%
Private Companies	38,155,356	34%
General Public	45,974,450	41%

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

Top Shareholders

Top 25 shareholders own 56.95% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
34%	Sentgraf Enterprises Ltd.	38,155,356	CA$1.4b	0%	no data
5.33%	RBC Global Asset Management Inc.	5,975,315	CA$226.0m	0.05%	0.11%
2.63%	BlackRock, Inc.	2,953,542	CA$111.7m	12.7%	no data
2.55%	The Vanguard Group, Inc.	2,860,090	CA$108.2m	0.63%	no data
1.94%	BMO Asset Management Corp.	2,176,105	CA$82.3m	-0.78%	0.03%
1.86%	Franklin Resources, Inc.	2,091,737	CA$79.1m	-0.02%	0.02%
1.59%	Energy Income Partners LLC	1,779,523	CA$67.3m	0.06%	0.93%
1.34%	TD Asset Management, Inc.	1,497,925	CA$56.6m	-2.35%	0.03%
0.93%	Dimensional Fund Advisors LP	1,040,041	CA$39.3m	-0.93%	0.01%
0.74%	Norges Bank Investment Management	835,439	CA$31.6m	2.75%	no data
0.64%	Nancy Southern	713,215	CA$27.0m	0.31%	no data
0.42%	State Street Global Advisors, Inc.	467,706	CA$17.7m	136%	no data
0.31%	Connor, Clark & Lunn Investment Management Ltd.	344,872	CA$13.0m	32.1%	0.04%
0.29%	Vestcor Inc.	320,535	CA$12.1m	0%	0.15%
0.27%	Manulife Asset Management	298,209	CA$11.3m	-0.09%	0.01%
0.27%	JP Morgan Asset Management	297,496	CA$11.3m	-4.49%	no data
0.26%	Charles Schwab Investment Management, Inc.	286,627	CA$10.8m	-0.33%	no data
0.24%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	270,046	CA$10.2m	-41.7%	no data
0.24%	Linda Southern-Heathcott	268,912	CA$10.2m	0.06%	no data
0.22%	Mackenzie Financial Corporation	251,310	CA$9.5m	0.96%	0.01%
0.22%	Margaret Southern	245,400	CA$9.3m	1.58%	no data
0.19%	British Columbia Investment Management Corporation	208,910	CA$7.9m	0%	0.02%
0.19%	Embark Student Corp.	208,300	CA$7.9m	12.2%	0.3%
0.16%	Montrusco Bolton Investments Inc.	175,191	CA$6.6m	-0.82%	0.05%
0.13%	Jupiter Fund Management Plc	148,910	CA$5.6m	13%	0.01%