Tourmaline Oil Ownership
Who are the major shareholders and have insiders been buying or selling?
Recent Insider Transactions
| Date | Value | Name | Entity | Role | Shares | Max Price |
|---|---|---|---|---|---|---|
| 05 Aug 26 | BuyUS$214,016 | Michael Rose | Individual | 5,000 | US$42.80 | |
| 05 Aug 26 | BuyUS$211,431 | Michael Rose | Individual | 5,000 | US$42.29 | |
| 31 Jul 26 | BuyUS$220,410 | Michael Rose | Individual | 5,000 | US$44.08 | |
| 31 Jul 26 | BuyUS$221,016 | Michael Rose | Individual | 5,000 | US$44.20 | |
| 10 Jul 26 | BuyUS$106,325 | Michael Rose | Individual | 2,500 | US$42.53 | |
| 06 Jul 26 | BuyUS$31,785 | Jill Angevine | Individual | 766 | US$41.49 | |
| 01 Jul 26 | BuyUS$41,563 | Jill Angevine | Individual | 1,000 | US$41.73 | |
| 26 Jun 26 | BuyUS$105,444 | Michael Rose | Individual | 2,500 | US$42.18 | |
| 24 Jun 26 | BuyUS$207,556 | Michael Rose | Individual | 5,000 | US$41.53 | |
| 24 Jun 26 | BuyUS$56,133 | Travis Toews | Individual | 1,345 | US$41.73 | |
| 19 Jun 26 | BuyUS$35,239 | Adam Karpoff | Individual | 825 | US$42.71 | |
| 18 Jun 26 | BuyUS$41,659 | James Heard | Individual | 1,000 | US$41.66 | |
| 18 Jun 26 | BuyUS$210,147 | Michael Rose | Individual | 5,000 | US$42.03 | |
| 18 Jun 26 | BuyUS$210,568 | Michael Rose | Individual | 5,000 | US$42.11 | |
| 15 Jun 26 | BuyUS$109,175 | Michael Rose | Individual | 2,500 | US$43.67 | |
| 05 Jun 26 | BuyUS$229,687 | Michael Rose | Individual | 5,000 | US$45.94 | |
| 29 May 26 | BuyUS$231,364 | Michael Rose | Individual | 5,000 | US$46.27 | |
| 28 May 26 | BuyUS$115,356 | Michael Rose | Individual | 2,500 | US$46.14 | |
| 25 May 26 | BuyUS$119,509 | Michael Rose | Individual | 2,500 | US$47.80 | |
| 14 May 26 | BuyUS$237,376 | Michael Rose | Individual | 5,000 | US$47.48 | |
| 08 May 26 | BuyUS$235,953 | Michael Rose | Individual | 5,000 | US$47.19 | |
| 24 Apr 26 | BuyUS$217,235 | Michael Rose | Individual | 5,000 | US$43.45 | |
| 20 Apr 26 | BuyUS$220,843 | Michael Rose | Individual | 5,000 | US$44.17 | |
| 20 Apr 26 | BuyUS$176,048 | Jill Angevine | Individual | 4,000 | US$44.01 | |
| 17 Apr 26 | BuyUS$43,215 | James Heard | Individual | 1,000 | US$43.22 | |
| 09 Apr 26 | BuyUS$219,895 | Michael Rose | Individual | 5,000 | US$43.98 | |
| 08 Apr 26 | BuyUS$14,513 | Travis Toews | Individual | 327 | US$44.38 | |
| 08 Apr 26 | BuyUS$865,936 | Michael Rose | Individual | 20,000 | US$43.30 | |
| 01 Apr 26 | BuyUS$233,107 | Michael Rose | Individual | 5,000 | US$46.62 | |
| 01 Apr 26 | BuyUS$45,517 | Michael Rose | Individual | 1,000 | US$45.52 | |
| 25 Mar 26 | BuyUS$248,130 | Michael Rose | Individual | 5,000 | US$49.63 | |
| 10 Mar 26 | BuyUS$461,314 | Michael Rose | Individual | 10,000 | US$46.13 | |
| 06 Mar 26 | BuyUS$457,616 | Michael Rose | Individual | 10,000 | US$45.76 | |
| 02 Feb 26 | BuyUS$454,719 | Michael Rose | Individual | 10,000 | US$45.47 | |
| 14 Jan 26 | BuyUS$105,807 | Michael Rose | Individual | 2,500 | US$42.32 | |
| 14 Jan 26 | BuyUS$42,690 | Jill Angevine | Individual | 1,000 | US$42.69 | |
| 13 Jan 26 | SellUS$7,295,208 | William Kirker | Individual | 169,666 | US$43.02 | |
| 08 Jan 26 | BuyUS$42,174 | James Heard | Individual | 1,000 | US$42.17 | |
| 06 Jan 26 | BuyUS$106,993 | Michael Rose | Individual | 2,500 | US$42.80 | |
| 05 Jan 26 | BuyUS$109,051 | Michael Rose | Individual | 2,500 | US$43.62 | |
| 02 Jan 26 | BuyUS$110,449 | Michael Rose | Individual | 2,500 | US$44.18 | |
| 18 Dec 25 | BuyUS$108,972 | Michael Rose | Individual | 2,500 | US$43.59 | |
| 17 Dec 25 | BuyUS$109,232 | Michael Rose | Individual | 2,500 | US$43.69 | |
| 02 Dec 25 | BuyUS$451,136 | Michael Rose | Individual | 10,000 | US$45.32 | |
| 26 Nov 25 | BuyUS$222,284 | Michael Rose | Individual | 5,000 | US$44.46 | |
| 17 Nov 25 | BuyUS$213,648 | Michael Rose | Individual | 5,000 | US$42.73 | |
| 13 Nov 25 | BuyUS$219,130 | Michael Rose | Individual | 5,000 | US$43.83 | |
| 10 Nov 25 | BuyUS$213,981 | Michael Rose | Individual | 5,000 | US$42.80 | |
| 07 Nov 25 | BuyUS$425,195 | Michael Rose | Individual | 10,000 | US$42.52 | |
| 17 Oct 25 | BuyUS$42,001 | Jill Angevine | Individual | 1,000 | US$42.00 | |
| 10 Oct 25 | BuyUS$431,664 | Michael Rose | Individual | 10,000 | US$43.17 | |
| 02 Oct 25 | BuyUS$215,904 | Michael Rose | Individual | 5,000 | US$43.18 | |
| 30 Sep 25 | BuyUS$434,777 | Michael Rose | Individual | 10,000 | US$43.48 | |
| 23 Sep 25 | BuyUS$114,169 | Michael Rose | Individual | 2,500 | US$45.67 | |
| 19 Sep 25 | BuyUS$222,043 | Michael Rose | Individual | 5,000 | US$44.41 | |
| 08 Sep 25 | BuyUS$417,757 | Michael Rose | Individual | 10,000 | US$41.78 | |
| 27 Aug 25 | BuyUS$716,809 | Christopher Lee | Individual | 17,000 | US$42.17 |
Insider Trading Volume
Insider Buying: TRML.F insiders have bought more shares than they have sold in the past 3 months.
Ownership Breakdown
| Owner Type | Number of Shares | Ownership Percentage |
|---|---|---|
| Individual Insiders | 18,681,194 | 4.81% |
| Institutions | 156,624,835 | 40.3% |
| General Public | 213,295,678 | 54.9% |
Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.
Top Shareholders
| Ownership | Name | Shares | Current Value | Change % | Portfolio % | |
|---|---|---|---|---|---|---|
| 19,769,434 | US$892.8m | 0.25% | 0.03% | |||
| 15,748,467 | US$711.2m | 0.14% | no data | |||
| 14,505,137 | US$655.0m | 1.59% | 0.01% | |||
| 14,358,993 | US$648.4m | -0.26% | 0.01% | |||
| 10,912,739 | US$492.8m | 0% | 1.95% | |||
| 9,518,339 | US$429.8m | 0% | 3.52% | |||
| 8,191,214 | US$369.9m | -0.62% | 0.04% | |||
| 8,081,123 | US$364.9m | 0% | 0.31% | |||
| 5,682,653 | US$256.6m | 0.14% | 0.89% | |||
| 5,344,740 | US$241.4m | 0% | 0.1% | |||
| 4,310,255 | US$194.6m | 0% | 0.12% | |||
| 3,360,753 | US$151.8m | 6.01% | 0.01% | |||
| 3,158,899 | US$142.7m | 44.4% | 0.01% | |||
| 2,979,279 | US$134.5m | 0% | 0.74% | |||
| 2,800,010 | US$126.4m | 0% | 2.04% | |||
| 2,770,186 | US$125.1m | 0.01% | 0.1% | |||
| 2,624,404 | US$118.5m | 6.67% | 0.03% | |||
| 2,431,275 | US$109.8m | 0% | 0.21% | |||
| 2,328,605 | US$105.2m | 0% | 0.15% | |||
| 1,753,497 | US$79.2m | 0.54% | 0.01% | |||
| 1,675,718 | US$75.7m | 1.84% | no data | |||
| 1,655,000 | US$74.7m | 0% | 96.16% | |||
| 1,650,149 | US$74.5m | 0.29% | 0.02% | |||
| 1,541,469 | US$69.6m | -0.01% | no data | |||
| 1,374,788 | US$62.1m | 0.12% | 0.02% |
Company Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2026/08/21 06:20 |
| End of Day Share Price | 2026/08/21 00:00 |
| Earnings | 2026/06/30 |
| Annual Earnings | 2025/12/31 |
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 |
| |
| Analyst Consensus Estimates | +3 years |
|
|
| Market Prices | 30 years |
| |
| Ownership | 10 years |
| |
| Management | 10 years |
| |
| Key Developments | 10 years |
|
* 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
Tourmaline Oil Corp. is covered by 37 analysts. 6 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 |
|---|---|
| Harshit Gupta | Accountability Research Corporation |
| Patrick O'Rourke | ATB Cormark |
| Kalvin Baim | ATB Cormark Historical (Cormark Securities) |