AltaGas Ownership

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

Recent Insider Transactions

DB:AQ3 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
07 Nov 25	Buy€153,442	Derek Evans	Individual	6,305	€24.34
07 Nov 25	Buy€365,048	David Cornhill	Individual	15,000	€24.34
07 Nov 25	Buy€48,673	Pentti Karkkainen	Individual	2,000	€24.34
07 Nov 25	Buy€36,505	Cynthia Johnston	Individual	1,500	€24.34
07 Nov 25	Buy€243,365	D. Harbilas	Individual	10,000	€24.34
07 Nov 25	Buy€24,337	Angela Lekatsas	Individual	1,000	€24.34
07 Nov 25	Buy€1,228,995	Vernon Yu	Individual	50,500	€24.34
07 Nov 25	Buy€36,505	Victoria Calvert	Individual	1,500	€24.34
07 Nov 25	Buy€60,841	Karen K. Uehara	Individual	2,500	€24.34
07 Nov 25	Buy€61,377	Hejdi Carlsen	Individual	2,522	€24.34
07 Nov 25	Buy€153,442	Nancy Tower	Individual	6,305	€24.34
06 Oct 25	Sell€93,163	Deborah Stein	Individual	3,500	€26.62
05 May 25	Sell€312,525	Donald Jenkins	Individual	12,500	€25.02
26 Mar 25	Buy€487,481	Derek Evans	Individual	19,239	€25.34
13 Mar 25	Sell€1,223,160	Randy Toone	Individual	50,000	€24.46
13 Jan 25	Sell€284,838	Donald Jenkins	Individual	12,352	€23.06
13 Dec 24	Buy€167,666	Vernon Yu	Individual	7,600	€22.06

Insider Trading Volume

Insider Buying: AQ3 insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of AQ3?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	2,316,540	0.745%
Institutions	103,961,429	33.4%
General Public	204,823,195	65.8%

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

Top Shareholders

Top 25 shareholders own 28.58% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
4.04%	The Vanguard Group, Inc.	12,556,508	€332.6m	0.51%	no data
3.74%	RBC Global Asset Management Inc.	11,645,103	€308.5m	0%	0.18%
2.15%	CI Global Asset Management	6,694,281	€177.3m	1.08%	0.37%
2.06%	CIBC Asset Management Inc.	6,405,608	€169.7m	0%	0.31%
2.01%	BMO Asset Management Corp.	6,256,582	€165.7m	-0.06%	0.07%
2%	BlackRock, Inc.	6,218,806	€164.7m	2.57%	no data
1.47%	FMR LLC	4,567,629	€121.0m	0%	0.01%
1.38%	Dimensional Fund Advisors LP	4,281,378	€113.4m	3.23%	0.02%
1.23%	Norges Bank Investment Management	3,823,662	€101.3m	0%	0.01%
1.16%	Mawer Investment Management Ltd.	3,609,178	€95.6m	0%	0.3%
1.11%	TD Asset Management, Inc.	3,453,115	€91.5m	0%	0.07%
0.76%	Picton Mahoney Asset Management	2,352,416	€62.3m	0%	1.03%
0.71%	Geode Capital Management, LLC	2,201,664	€58.3m	15.7%	no data
0.54%	Mackenzie Financial Corporation	1,686,298	€44.7m	0%	0.05%
0.54%	Industrielle Alliance, Gestion de placements inc.	1,671,341	€44.3m	0%	0.42%
0.52%	David Cornhill	1,629,873	€43.2m	0.93%	no data
0.48%	1832 Asset Management L.P.	1,498,789	€39.7m	0%	0.06%
0.43%	Energy Income Partners LLC	1,346,124	€35.7m	20.6%	0.75%
0.42%	QV Investors Inc.	1,319,304	€34.9m	0%	1.79%
0.37%	JP Morgan Asset Management	1,148,419	€30.4m	-0.22%	no data
0.32%	Guardian Capital LP	980,700	€26.0m	0%	0.61%
0.31%	Recurrent Investment Advisors LLC	950,306	€25.2m	0%	2.11%
0.29%	Charles Schwab Investment Management, Inc.	908,255	€24.1m	0.08%	no data
0.28%	Nordea Investment Management, AB	871,350	€23.1m	0%	0.01%
0.27%	IG Investment Management, Ltd.	831,946	€22.0m	0%	0.06%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/11/25 09:38
End of Day Share Price	2025/11/25 00:00
Earnings	2025/09/30
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

AltaGas Ltd. is covered by 24 analysts. 8 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
Nathan Heywood	ATB Capital Markets
Anthony Linton	Barclays
Benjamin Pham	BMO Capital Markets Equity Research