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
23 May 23	SellCA$7,995	Colin Jackson	Individual	184	CA$43.45

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	1,426,272	1.27%
Institutions	26,561,153	23.7%
Private Companies	38,155,356	34%
General Public	46,016,097	41%

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

Top Shareholders

Top 25 shareholders own 56.93% 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$220.0m	0.05%	0.1%
2.63%	BlackRock, Inc.	2,953,542	CA$108.8m	12.7%	no data
2.55%	The Vanguard Group, Inc.	2,859,098	CA$105.3m	0.6%	no data
1.94%	BMO Asset Management Corp.	2,176,105	CA$80.1m	-0.78%	0.02%
1.86%	Franklin Resources, Inc.	2,089,400	CA$76.9m	-0.02%	0.02%
1.59%	Energy Income Partners LLC	1,779,523	CA$65.5m	0.06%	0.92%
1.34%	TD Asset Management, Inc.	1,497,925	CA$55.2m	-2.35%	0.03%
0.92%	Dimensional Fund Advisors LP	1,035,636	CA$38.1m	-1.03%	no data
0.74%	Norges Bank Investment Management	835,439	CA$30.8m	2.75%	no data
0.64%	Nancy Southern	713,215	CA$26.3m	0.31%	no data
0.42%	State Street Global Advisors, Inc.	467,706	CA$17.2m	136%	no data
0.29%	Connor, Clark & Lunn Investment Management Ltd.	326,969	CA$12.0m	25.2%	0.04%
0.29%	Vestcor Inc.	320,535	CA$11.8m	0%	0.14%
0.27%	Manulife Asset Management	298,483	CA$11.0m	0%	0.01%
0.27%	JP Morgan Asset Management	297,496	CA$11.0m	-4.49%	no data
0.26%	Charles Schwab Investment Management, Inc.	286,627	CA$10.6m	-0.33%	no data
0.24%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	270,046	CA$9.9m	-41.7%	no data
0.24%	Linda Southern-Heathcott	268,912	CA$9.9m	0.06%	no data
0.22%	Mackenzie Financial Corporation	251,310	CA$9.3m	0.96%	0.01%
0.22%	Margaret Southern	245,400	CA$9.0m	1.58%	no data
0.19%	British Columbia Investment Management Corporation	208,910	CA$7.7m	0%	0.02%
0.19%	Knowledge First Financial Inc.	208,300	CA$7.7m	12.2%	0.29%
0.16%	Montrusco Bolton Investments Inc.	176,639	CA$6.5m	0%	0.05%
0.13%	Jupiter Fund Management Plc	148,910	CA$5.5m	13%	0.01%