Cameco Corporation (TSX: CCO)
CCO trades on the Toronto Stock Exchange in Mining, headquartered in Saskatchewan. Numbers below come from the TMX issuer list, Yahoo Finance closes and the Bank of Canada rate, each with its source.
Close · October 14, 2026
C$115.99
-5.37% on the day
Market cap (C$)
C$53.7B
TMX list, September 30, 2026
Market cap (US$)
US$37.7B
Large cap at 1.4263 C$/US$
1-year return
-4.4%
-7.7% year to date
Issuer list, sector and C$ market cap: TMX Group TSX and TSXV listed companies, as of September 30, 2026. US$ figures convert C$ at 1.4263 C$ per US$, the Bank of Canada daily rate for October 14, 2026. Close and returns: Yahoo Finance daily closes for CCO.TO, last bar 2026-10-14, computed by Sophia Capital. Website: Wikidata.
Profile
| Field | Value |
|---|---|
| Ticker | CCO on the Toronto Stock Exchange |
| Yahoo symbol | CCO.TO |
| Sector | Mining |
| Headquarters | Saskatchewan |
| Listed | 1991-07-04 |
| Listing type | TMX leaves listing type blank for long-listed issuers |
| Shares outstanding | 435,532,978 |
| Also listed on | NYSE |
| Index membership | S&P/TSX 60 |
| SEC CIK | 0001009001 |
| Website | www.cameco.com |
| US listing | CCJ |
Returns
| Window | Return |
|---|---|
| 1 day | -5.4% |
| 1 week | -12.3% |
| 1 month | -10.6% |
| 3 months | -10.0% |
| 6 months | -27.4% |
| Year to date | -7.7% |
| 1 year | -4.4% |
| From 52-week high | -36.1% |
| 52-week range | C$111.95 to C$181.66 |
Links
SEDAR+ is linked for searching only; nothing on this page is taken from it.
Recent Canadian filings by type
167 documents in 15 types. Each title links to the document at its source.
Annual financial statements (5)
| Document | Type | Filed |
|---|---|---|
| 2025 Consolidated Audited Financial Statements Period 2025-12-31 | Annual financial statements (40-F) | 2026-03-19 |
| Cameco Corporation 2025 Consolidated Financial Statements | Annual financial statements (6-K) | 2026-02-13 |
| 2024 Consolidated Audited Financial Statements Period 2024-12-31 | Annual financial statements (40-F) | 2025-03-21 |
| Cameco Corporation 2024 Consolidated Financial Statements | Annual financial statements (6-K) | 2025-02-20 |
Interim financial statements (6)
| Document | Type | Filed |
|---|---|---|
| Condensed consolidated interim unaudited financial statements for the quarter ended June 30, 2026 Period 2026-06-30 | Interim financial statements (6-K) | 2026-07-31 |
| Condensed consolidated interim unaudited financial statements for the quarter ended March 31, 2026 Period 2026-03-31 | Interim financial statements (6-K) | 2026-05-05 |
| Condensed consolidated interim unaudited financial statements for the quarter ended September 30, 2025 Period 2025-09-30 | Interim financial statements (6-K) | 2025-11-05 |
| Condensed consolidated interim unaudited financial statements for the quarter ended June 30, 2025 Period 2025-06-30 | Interim financial statements (6-K) | 2025-07-31 |
MD&A (6)
| Document | Type | Filed |
|---|---|---|
| 2025 Management’s Discussion and Analysis Period 2025-12-31 | MD&A (annual) (40-F) | 2026-03-19 |
| Annual Management’s Discussion and Analysis of Cameco Corporation’s 2025 Consolidated Financial Statements | MD&A (annual) (6-K) | 2026-02-13 |
| 2024 Management’s Discussion and Analysis Period 2024-12-31 | MD&A (annual) (40-F) | 2025-03-21 |
| Management’s discussion and analysis for the quarter ended June 30, 2026 Period 2026-06-30 | MD&A (interim) (6-K) | 2026-07-31 |
Annual information form (2)
| Document | Type | Filed |
|---|---|---|
| 2025 Annual Information Form Period 2025-12-31 | Annual information form (40-F) | 2026-03-19 |
| 2024 Annual Information Form Period 2024-12-31 | Annual information form (40-F) | 2025-03-21 |
Material change report (1)
| Document | Type | Filed |
|---|---|---|
| Material change report dated October 31, 2025 | Material change report (6-K) | 2025-10-31 |
News release (30)
| Document | Type | Filed |
|---|---|---|
| Press Release dated September 30, 2026 | News release (6-K) | 2026-10-01 |
| Press Release dated July 31, 2026 | News release (6-K) | 2026-07-31 |
| Press Release dated July 31, 2026 | News release (6-K) | 2026-07-31 |
| Press Release dated July 14, 2026 | News release (6-K) | 2026-07-15 |
Management information circular / proxy (8)
| Document | Type | Filed |
|---|---|---|
| Cameco Corporation Management Proxy Circular | Management information circular (6-K) | 2026-04-02 |
| Cameco Corporation Management Proxy Circular | Management information circular (6-K) | 2025-04-03 |
| Notice of 2026 Annual Meeting of Shareholders | Notice of meeting (6-K) | 2026-04-02 |
| Notice and Access Notification to Shareholders | Notice of meeting (6-K) | 2026-04-02 |
Report of voting results (2)
| Document | Type | Filed |
|---|---|---|
| Cameco Corporation Annual Meeting – May | Report of voting results (6-K) | 2026-05-08 |
| Cameco Corporation Annual Meeting May 9, 2025 Report of Voting Results | Report of voting results (6-K) | 2025-05-12 |
Prospectus (2)
| Document | Type | Filed |
|---|---|---|
| F-10 | Prospectus (short form) (F-10) | 2024-11-12 |
| SUPPL | Prospectus supplement (SUPPL) | 2024-11-12 |
Annual report (4)
| Document | Type | Filed |
|---|---|---|
| 40-F Period 2025-12-31 | Annual report (40-F) (40-F) | 2026-03-19 |
| 40-F Period 2024-12-31 | Annual report (40-F) (40-F) | 2025-03-21 |
| CAMECO 2025 ANNUAL REPORT | Annual report to shareholders (6-K) | 2026-04-02 |
| CAMECO 2024 ANNUAL REPORT | Annual report to shareholders (6-K) | 2025-04-03 |
Early warning / ownership (5)
| Document | Type | Filed |
|---|---|---|
| Schedule 13G | Schedule 13G (SCHEDULE 13G) | 2026-07-27 |
| Schedule 13G amendment | Schedule 13G (SCHEDULE 13G/A) | 2025-05-12 |
| Schedule 13G amendment | Schedule 13G (SCHEDULE 13G/A) | 2025-04-29 |
| Schedule 13G | Schedule 13G (SCHEDULE 13G) | 2025-02-12 |
Insider report (17)
| Document | Type | Filed |
|---|---|---|
| Form 144 | Form 144 (144) | 2026-03-24 |
| Form 144 | Form 144 (144) | 2026-01-07 |
| Form 144 | Form 144 (144) | 2026-01-05 |
| Form 144 | Form 144 (144) | 2026-01-05 |
Certification (20)
| Document | Type | Filed |
|---|---|---|
| Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 dated July 31, 2026 | Certification (SOX 302/906) (6-K) | 2026-07-31 |
| Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 dated July 31, 2026 | Certification (SOX 302/906) (6-K) | 2026-07-31 |
| Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 dated May 5, 2026 | Certification (SOX 302/906) (6-K) | 2026-05-05 |
| Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 dated May 5, 2026 | Certification (SOX 302/906) (6-K) | 2026-05-05 |
Technical report (1)
| Document | Type | Filed |
|---|---|---|
| Inkai Technical Report dated November 12, 2024 | Technical report (NI 43-101) (6-K) | 2024-11-12 |
Other (58)
| Document | Type | Filed |
|---|---|---|
| Cameco Corporation 2025 Modern Slavery Report | Sustainability / ESG report (6-K) | 2026-04-02 |
| Cameco Releases 2024 Sustainability Report | Sustainability / ESG report (6-K) | 2025-06-27 |
| Cameco Corporation 2024 Modern Slavery Report | Sustainability / ESG report (6-K) | 2025-04-03 |
| Consent of Alain D. Renaud, P. Geo. Period 2025-12-31 | Consent (40-F) | 2026-03-19 |
Sources: SEC EDGAR filings (public records). Documents filed only on SEDAR+ are not copied here; search SEDAR+ for the full record.
Trading halts
No CIRO halt notices for this company in our data.
Source: Canadian Investment Regulatory Organization (CIRO), Halts/Resumptions newsroom, notices since 2024-10-15.
Upcoming events
No upcoming earnings date, call or meeting announced in the SEC filings and newswire releases we read.
Source: dates read from the company's SEC filings and newswire releases; each row links to the announcement.
Peers in Mining
| Ticker | Company | Exchange | Market cap (C$) | 1 month | 1 year |
|---|---|---|---|---|---|
| NTR | Nutrien Ltd. | TSX | C$47.6B | -7.0% | +18.7% |
| TECK | Teck Resources Limited | TSX | C$46.0B | +0.1% | +57.3% |
| FNV | Franco-Nevada Corporation | TSX | C$65.3B | -8.1% | +16.8% |
| K | Kinross Gold Corporation | TSX | C$40.6B | -19.3% | -6.8% |
| WPM | Wheaton Precious Metals Corp. | TSX | C$86.3B | -11.4% | +24.8% |
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