Granite Ridge Resources Inc
Ownership
Ownership Structure
Who owns Granite Ridge Resources Inc (GRNT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 55.2% of the shares are freely tradable; institutional investors hold 80.9%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Grey Rock Energy Management, LLC | 41.90 | 55,265,968 | +0.0 | 06/30/2026 |
| Hamilton Lane Advisors LLC | 5.13 | 6,762,623 | -8.5 | 06/30/2026 |
| Utah Retirement Systems | 3.98 | 5,243,683 | +0.0 | 03/31/2026 |
| BlackRock Inc | 3.57 | 4,709,865 | +12.7 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 2.99 | 3,937,656 | +19.1 | 06/30/2026 |
| American Century Companies Inc | 2.36 | 3,113,795 | +3.9 | 06/30/2026 |
| Vanguard Capital Management, LLC | 2.34 | 3,083,172 | +0.0 | 03/31/2026 |
| Georgetown University | 2.33 | 3,079,000 | -3.3 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Avantis US Small Cap Value ETF | 2.22 | 2,930,995 | +0.1 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 1.72 | 2,268,870 | +0.0 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Miller Matthew Reade | Director | 1,974,292 | 9,674,031 $ | Sep 11, 2026 | direct |
| Perry Griffin | Director | 1,756,636 | 8,607,516 $ | Aug 19, 2026 | direct |
| Lazarine Kirk | Director | 1,660,756 | 8,137,704 $ | Aug 19, 2026 | direct |
| Darden Thaddeus | Director | 591,102 | 2,896,400 $ | Aug 19, 2026 | direct |
| Mccartney John | Director | 154,143 | 755,301 $ | Sep 1, 2026 | direct |
| Kettler Ronald Kyle | Chief Financial Officer | 135,276 | 662,852 $ | Sep 4, 2026 | direct |
| Everard Michele J | Director | 73,143 | 358,401 $ | Aug 13, 2026 | direct |
| Adams Jonathan Anson | Director | 25,020 | 122,598 $ | Aug 19, 2026 | direct |
| Cocke John | Director | 24,620 | 120,638 $ | Aug 19, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 11, 2026 | Miller Matthew Reade | Director | Buy | 10,000 | 5.03 | 50,300 |
| Sep 4, 2026 | Kettler Ronald Kyle | Chief Financial Officer | Buy | 6,000 | 5.05 | 30,300 |
| Sep 1, 2026 | Mccartney John | Director | Buy | 5,000 | 5.04 | 25,200 |
| Aug 19, 2026 | Cocke John | Director | Other | 5,315 | 0.00 | – |
| Aug 19, 2026 | Cocke John | Director | Other | 19,305 | 0.00 | – |
| Aug 19, 2026 | Adams Jonathan Anson | Director | Other | 5,315 | 0.00 | – |
| Aug 19, 2026 | Adams Jonathan Anson | Director | Other | 19,305 | 0.00 | – |
| Aug 19, 2026 | Darden Thaddeus | Director | Other | 220,418 | 0.00 | – |
| Aug 19, 2026 | Miller Matthew Reade | Director | Other | 598,531 | 0.00 | – |
| Aug 19, 2026 | Perry Griffin | Director | Other | 592,733 | 0.00 | – |
| Aug 19, 2026 | Lazarine Kirk | Director | Other | 592,733 | 0.00 | – |
| Aug 13, 2026 | Everard Michele J | Director | Buy | 1,000 | 5.00 | 5,000 |
| Aug 13, 2026 | Mccartney John | Director | Buy | 2,000 | 5.00 | 10,000 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.