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
Date	Value	Name	Entity	Shares	Max Price
17 Nov 23	BuyCA$397,980	Nancy Southern	Individual	10,400	CA$38.45
17 Nov 23	BuyCA$397,980	Linda Southern-Heathcott	Individual	10,400	CA$38.45
17 Nov 23	BuyCA$397,980	Margaret Southern	Individual	10,400	CA$38.45
17 Nov 23	BuyCA$397,980	Sentgraf Enterprises Ltd.	Company	10,400	CA$38.45
16 Nov 23	BuyCA$390,900	Sentgraf Enterprises Ltd.	Company	10,200	CA$38.40
16 Nov 23	BuyCA$390,900	Nancy Southern	Individual	10,200	CA$38.40
16 Nov 23	BuyCA$390,900	Linda Southern-Heathcott	Individual	10,200	CA$38.40
16 Nov 23	BuyCA$390,900	Margaret Southern	Individual	10,200	CA$38.40
15 Nov 23	BuyCA$49,986	Norman Steinberg	Individual	1,298	CA$38.51
13 Nov 23	BuyCA$1,419,632	Sentgraf Enterprises Ltd.	Company	38,100	CA$37.37
09 Nov 23	BuyCA$1,271,245	Nancy Southern	Individual	34,100	CA$37.40
09 Nov 23	BuyCA$1,271,245	Linda Southern-Heathcott	Individual	34,100	CA$37.40
09 Nov 23	BuyCA$1,271,245	Margaret Southern	Individual	34,100	CA$37.40
09 Nov 23	BuyCA$1,271,245	Sentgraf Enterprises Ltd.	Company	34,100	CA$37.40
03 Aug 23	BuyCA$562,875	Nancy Southern	Individual	15,500	CA$36.35
03 Aug 23	BuyCA$562,875	Linda Southern-Heathcott	Individual	15,500	CA$36.35
03 Aug 23	BuyCA$562,875	Margaret Southern	Individual	15,500	CA$36.35
03 Aug 23	BuyCA$562,875	Sentgraf Enterprises Ltd.	Company	15,500	CA$36.35
02 Aug 23	BuyCA$930,615	Nancy Southern	Individual	25,000	CA$37.46
02 Aug 23	BuyCA$930,615	Linda Southern-Heathcott	Individual	25,000	CA$37.46
02 Aug 23	BuyCA$930,615	Margaret Southern	Individual	25,000	CA$37.46
02 Aug 23	BuyCA$930,615	Sentgraf Enterprises Ltd.	Company	25,000	CA$37.46

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.X?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	1,424,659	1.27%
Institutions	26,739,812	23.8%
Private Companies	38,155,356	34%
General Public	45,839,051	40.9%

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

Top Shareholders

Top 25 shareholders own 57.16% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
34%	Sentgraf Enterprises Ltd.	38,155,356	CA$1.5b	0%	no data
5.33%	RBC Global Asset Management Inc.	5,975,466	CA$233.0m	0.05%	0.11%
2.66%	BlackRock, Inc.	2,984,227	CA$116.3m	-2.06%	no data
2.55%	The Vanguard Group, Inc.	2,857,809	CA$111.4m	-0.06%	no data
1.94%	BMO Asset Management Corp.	2,179,104	CA$85.0m	-0.45%	0.03%
1.87%	Franklin Resources, Inc.	2,100,029	CA$81.9m	0.01%	0.02%
1.59%	Energy Income Partners LLC	1,788,323	CA$69.7m	0.49%	1.0%
1.34%	TD Asset Management, Inc.	1,497,925	CA$58.4m	0%	0.03%
1%	Dimensional Fund Advisors LP	1,120,689	CA$43.7m	4.55%	0.01%
0.74%	Norges Bank Investment Management	835,439	CA$32.6m	0%	no data
0.63%	Nancy Southern	702,815	CA$27.4m	-1.16%	no data
0.41%	State Street Global Advisors, Inc.	462,688	CA$18.0m	-1.07%	no data
0.35%	Manulife Asset Management	397,638	CA$15.5m	0%	0.01%
0.31%	Connor, Clark & Lunn Investment Management Ltd.	344,872	CA$13.4m	0%	0.04%
0.29%	Vestcor Inc.	320,535	CA$12.5m	0%	0.16%
0.26%	Charles Schwab Investment Management, Inc.	296,213	CA$11.5m	3.35%	no data
0.25%	Linda Southern-Heathcott	277,275	CA$10.8m	3.17%	no data
0.24%	JP Morgan Asset Management	272,405	CA$10.6m	-4.89%	no data
0.24%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	270,046	CA$10.5m	-41.7%	no data
0.22%	Mackenzie Financial Corporation	250,859	CA$9.8m	-0.18%	0.01%
0.22%	Margaret Southern	245,400	CA$9.6m	0%	no data
0.19%	British Columbia Investment Management Corporation	208,910	CA$8.1m	0%	0.02%
0.19%	Embark Student Corp.	208,300	CA$8.1m	0%	0.29%
0.16%	Jupiter Fund Management Plc	180,121	CA$7.0m	0%	0.01%
0.16%	Montrusco Bolton Investments Inc.	175,191	CA$6.8m	0%	0.05%