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S&P/TSX Composite
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Top S&P/TSX Composite Companies by Market Cap and Stocks in 2026

This is the list of the largest public listed companies in the S&P/TSX Composite index ranked by market capitalization, together with links to their reference stock, sector and industry.

S&P/TSX Composite Chart & Analysis

Top S&P/TSX Composite Companies Ranking by Market Cap as of Jan. 1, 2026

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Ranking Company Stock Market Cap (USD) Country Sector Industry
151 Secure Energy Services Inc. SES wb_incandescent $2.78 B Canada Canadian Energy Canadian Oil & Gas Equipment & Services
152 Denison Mines Corp. DML wb_incandescent $2.71 B Canada Canadian Energy Canadian Uranium
153 ATS Corporation ATS wb_incandescent $2.71 B Canada Canadian Industrials Canadian Specialty Industrial Machinery
154 Dream Industrial Real Estate Investment Trust DIR.UN wb_incandescent $2.70 B Canada Canadian Real Estate Canadian REIT—Industrial
155 Bausch Health Companies Inc. BHC wb_incandescent $2.68 B Canada Canadian Healthcare Canadian Drug Manufacturers—Specialty & Generic
156 NuVista Energy Ltd. NVA wb_incandescent $2.64 B Canada Canadian Energy Canadian Oil & Gas E&P
157 Sprott Inc. SII wb_incandescent $2.62 B Canada Canadian Financials Canadian Asset Management
158 Primo Water Corporation PRMW wb_incandescent $2.61 B

(Dec. 1, 2025)

 United States US Consumer Staples US Beverages—Non-Alcoholic
159 Baytex Energy Corp. BTE wb_incandescent $2.55 B Canada Canadian Energy Canadian Oil & Gas E&P
160 MDA Ltd MDA wb_incandescent $2.54 B Canada Canadian Industrials Canadian Aerospace & Defense
161 Boardwalk Real Estate Investment Trust BEI.UN wb_incandescent $2.53 B Canada Canadian Real Estate Canadian REIT—Residential
162 Athabasca Oil Corporation ATH wb_incandescent $2.53 B Canada Canadian Energy Canadian Oil & Gas E&P
163 Paramount Resources Ltd. POU wb_incandescent $2.52 B Canada Canadian Energy Canadian Oil & Gas E&P
164 Tricon Residential, Inc. TCN wb_incandescent $2.42 B

(Jan. 1, 2024)

 Canada Canadian Real Estate Canadian Real Estate Services
165 Wesdome Gold Mines Ltd. WDO wb_incandescent $2.39 B Canada Canadian Basic Materials Canadian Gold
166 Maple Leaf Foods Inc. MFI wb_incandescent $2.26 B Canada Canadian Consumer Staples Canadian Packaged Foods
167 BlackBerry Limited BB wb_incandescent $2.25 B Canada Canadian Technology Canadian Software—Infrastructure
168 MAG Silver Corp. MAG wb_incandescent $2.22 B

(July 1, 2025)

 Canada Canadian Basic Materials Canadian Silver
169 H&R Real Estate Investment Trust HR.UN wb_incandescent $2.11 B Canada Canadian Real Estate Canadian REIT—Diversified
170 Crombie Real Estate Investment Trust CRR.UN wb_incandescent $2.09 B Canada Canadian Real Estate Canadian REIT—Diversified
171 International Petroleum Corporation IPCO wb_incandescent $2.08 B Canada Canadian Energy Canadian Oil & Gas E&P
172 First Majestic Silver Corp. FR wb_incandescent $2.08 B

(July 1, 2024)

 Canada Canadian Basic Materials Canadian Silver
173 Cogeco Communications Inc. CCA wb_incandescent $2.06 B Canada Canadian Communication Services Canadian Telecom Services
174 Innergex Renewable Energy Inc. INE wb_incandescent $2.03 B

(July 1, 2025)

 Canada Canadian Utilities Canadian Utilities—Renewable
175 Winpak Ltd. WPK wb_incandescent $2.01 B Canada Canadian Consumer Discretionary Canadian Packaging & Containers
176 Boralex Inc. BLX wb_incandescent $1.96 B Canada Canadian Utilities Canadian Utilities—Renewable
177 Freehold Royalties Ltd. FRU wb_incandescent $1.83 B Canada Canadian Energy Canadian Oil & Gas E&P
178 Badger Infrastructure Solutions Ltd BDGI wb_incandescent $1.80 B Canada Canadian Industrials Canadian Engineering & Construction
179 Altus Group Limited AIF wb_incandescent $1.78 B Canada Canadian Real Estate Canadian Real Estate Services
180 Russel Metals Inc. RUS wb_incandescent $1.77 B Canada Canadian Industrials Canadian Industrial Distribution

Top S&P/TSX Composite Companies Ranking by Market Cap as of Jan. 1, 2026

151. Secure Energy Services Inc.

Company Profile: Secure Energy Services Inc.
Market Cap (USD): $2.78 B
Stock: SES wb_incandescent
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas Equipment & Services

152. Denison Mines Corp.

Company Profile: Denison Mines Corp.
Market Cap (USD): $2.71 B
Stock: DML wb_incandescent
Country: Canada
Sector: Canadian Energy
Industry: Canadian Uranium

153. ATS Corporation

Company Profile: ATS Corporation
Market Cap (USD): $2.71 B
Stock: ATS wb_incandescent
Country: Canada
Sector: Canadian Industrials
Industry: Canadian Specialty Industrial Machinery

154. Dream Industrial Real Estate Investment Trust

Company Profile: Dream Industrial Real Estate Investment Trust
Market Cap (USD): $2.70 B
Stock: DIR.UN wb_incandescent
Country: Canada
Sector: Canadian Real Estate
Industry: Canadian REIT—Industrial

155. Bausch Health Companies Inc.

Company Profile: Bausch Health Companies Inc.
Market Cap (USD): $2.68 B
Stock: BHC wb_incandescent
Country: Canada
Sector: Canadian Healthcare
Industry: Canadian Drug Manufacturers—Specialty & Generic

156. NuVista Energy Ltd.

Company Profile: NuVista Energy Ltd.
Market Cap (USD): $2.64 B
Stock: NVA wb_incandescent
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

157. Sprott Inc.

Company Profile: Sprott Inc.
Market Cap (USD): $2.62 B
Stock: SII wb_incandescent
Country: Canada
Sector: Canadian Financials
Industry: Canadian Asset Management

158. Primo Water Corporation

Company Profile: Primo Water Corporation
Market Cap (USD): $2.61 B (Dec. 1, 2025)
Stock: PRMW wb_incandescent
Country: United States
Sector: US Consumer Staples
Industry: US Beverages—Non-Alcoholic

159. Baytex Energy Corp.

Company Profile: Baytex Energy Corp.
Market Cap (USD): $2.55 B
Stock: BTE wb_incandescent
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

160. MDA Ltd

Company Profile: MDA Ltd
Market Cap (USD): $2.54 B
Stock: MDA wb_incandescent
Country: Canada
Sector: Canadian Industrials
Industry: Canadian Aerospace & Defense

161. Boardwalk Real Estate Investment Trust

Company Profile: Boardwalk Real Estate Investment Trust
Market Cap (USD): $2.53 B
Stock: BEI.UN wb_incandescent
Country: Canada
Sector: Canadian Real Estate
Industry: Canadian REIT—Residential

162. Athabasca Oil Corporation

Company Profile: Athabasca Oil Corporation
Market Cap (USD): $2.53 B
Stock: ATH wb_incandescent
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

163. Paramount Resources Ltd.

Company Profile: Paramount Resources Ltd.
Market Cap (USD): $2.52 B
Stock: POU wb_incandescent
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

164. Tricon Residential, Inc.

Company Profile: Tricon Residential, Inc.
Market Cap (USD): $2.42 B (Jan. 1, 2024)
Stock: TCN wb_incandescent
Country: Canada
Sector: Canadian Real Estate
Industry: Canadian Real Estate Services

165. Wesdome Gold Mines Ltd.

Company Profile: Wesdome Gold Mines Ltd.
Market Cap (USD): $2.39 B
Stock: WDO wb_incandescent
Country: Canada
Sector: Canadian Basic Materials
Industry: Canadian Gold

166. Maple Leaf Foods Inc.

Company Profile: Maple Leaf Foods Inc.
Market Cap (USD): $2.26 B
Stock: MFI wb_incandescent
Country: Canada
Sector: Canadian Consumer Staples
Industry: Canadian Packaged Foods

167. BlackBerry Limited

Company Profile: BlackBerry Limited
Market Cap (USD): $2.25 B
Stock: BB wb_incandescent
Country: Canada
Sector: Canadian Technology
Industry: Canadian Software—Infrastructure

168. MAG Silver Corp.

Company Profile: MAG Silver Corp.
Market Cap (USD): $2.22 B (July 1, 2025)
Stock: MAG wb_incandescent
Country: Canada
Sector: Canadian Basic Materials
Industry: Canadian Silver

169. H&R Real Estate Investment Trust

Company Profile: H&R Real Estate Investment Trust
Market Cap (USD): $2.11 B
Stock: HR.UN wb_incandescent
Country: Canada
Sector: Canadian Real Estate
Industry: Canadian REIT—Diversified

170. Crombie Real Estate Investment Trust

Company Profile: Crombie Real Estate Investment Trust
Market Cap (USD): $2.09 B
Stock: CRR.UN wb_incandescent
Country: Canada
Sector: Canadian Real Estate
Industry: Canadian REIT—Diversified

171. International Petroleum Corporation

Company Profile: International Petroleum Corporation
Market Cap (USD): $2.08 B
Stock: IPCO wb_incandescent
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

172. First Majestic Silver Corp.

Company Profile: First Majestic Silver Corp.
Market Cap (USD): $2.08 B (July 1, 2024)
Stock: FR wb_incandescent
Country: Canada
Sector: Canadian Basic Materials
Industry: Canadian Silver

173. Cogeco Communications Inc.

Company Profile: Cogeco Communications Inc.
Market Cap (USD): $2.06 B
Stock: CCA wb_incandescent
Country: Canada
Sector: Canadian Communication Services
Industry: Canadian Telecom Services

174. Innergex Renewable Energy Inc.

Company Profile: Innergex Renewable Energy Inc.
Market Cap (USD): $2.03 B (July 1, 2025)
Stock: INE wb_incandescent
Country: Canada
Sector: Canadian Utilities
Industry: Canadian Utilities—Renewable

175. Winpak Ltd.

Company Profile: Winpak Ltd.
Market Cap (USD): $2.01 B
Stock: WPK wb_incandescent
Country: Canada
Sector: Canadian Consumer Discretionary
Industry: Canadian Packaging & Containers

176. Boralex Inc.

Company Profile: Boralex Inc.
Market Cap (USD): $1.96 B
Stock: BLX wb_incandescent
Country: Canada
Sector: Canadian Utilities
Industry: Canadian Utilities—Renewable

177. Freehold Royalties Ltd.

Company Profile: Freehold Royalties Ltd.
Market Cap (USD): $1.83 B
Stock: FRU wb_incandescent
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

178. Badger Infrastructure Solutions Ltd

Company Profile: Badger Infrastructure Solutions Ltd
Market Cap (USD): $1.80 B
Stock: BDGI wb_incandescent
Country: Canada
Sector: Canadian Industrials
Industry: Canadian Engineering & Construction

179. Altus Group Limited

Company Profile: Altus Group Limited
Market Cap (USD): $1.78 B
Stock: AIF wb_incandescent
Country: Canada
Sector: Canadian Real Estate
Industry: Canadian Real Estate Services

180. Russel Metals Inc.

Company Profile: Russel Metals Inc.
Market Cap (USD): $1.77 B
Stock: RUS wb_incandescent
Country: Canada
Sector: Canadian Industrials
Industry: Canadian Industrial Distribution

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