Stantec Inc (STN) Institutional Ownership

Ownership Summary

Stantec Inc (NYSE:STN) currently has 276 active institutional owners and shareholders as of today (September 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

• The percentage of Stantec owned by institutions changed from 59.7% in June 2025 to 56.9% in September 2025, marking a slight down trend.
• Quarterly data indicates a -1.80% shift in institutional share volume, and the annual owner count reflects an increase of 26.03%.
• Among the 276 institutional holders of Stantec, 130 added to their stakes while 93 trimmed their positions and 53 held steady.
• The aggregate institutional position in Stantec now stands at 64.90Mn shares as of September 2025, after investors decreased their holdings (down by 1.19Mn shares quarter on quarter which is down 5.24Mn shares year over year).
• The top institutional stake in Stantec as of September 30, 2025 belongs to MACKENZIE FINANCIAL CORP, which owns 5.77Mn shares, or 5.06% of the company.
• Among the most significant buyers of Stantec during September 2025 were ROYAL BANK OF CANADA (714.17K), Federation des caisses Desjardins du Quebec (651.72K), BANK OF AMERICA CORP /DE/ (387.93K), GOLDMAN SACHS GROUP INC (378.33K), AXA Investment Managers S.A. (282.04K).
• Leading sellers of Stantec stock in September 2025 included MANUFACTURERS LIFE INSURANCE COMPANY, THE (1.42Mn), JARISLOWSKY, FRASER Ltd (881.94K), Amundi (637.36K), Connor, Clark & Lunn Investment Management Ltd. (554.73K), MACKENZIE FINANCIAL CORP (391.58K).
• The top 10 institutional holders of Stantec for the quarter ending September 2025 included MACKENZIE FINANCIAL CORP (5.77Mn), VANGUARD GROUP INC (4.87Mn), JARISLOWSKY, FRASER Ltd (4.08Mn), ROYAL BANK OF CANADA (4.01Mn), BANK OF MONTREAL /CAN/ (3.57Mn), ALLIANCEBERNSTEIN L.P. (3.48Mn), Pictet Asset Management Holding SA (3.46Mn), Fiera Capital Corp (2.47Mn), MANUFACTURERS LIFE INSURANCE COMPANY, THE (1.87Mn), FMR LLC (1.78Mn).