Mach Natural Resources LP
Ownership
Ownership Structure
Who owns Mach Natural Resources LP (MNR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 37.0% of the shares are freely tradable; institutional investors hold 61.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Kayne Anderson Capital Advisors LP | 9.29 | 15,517,713 | -18.2 | 06/30/2026 |
| American Century Companies Inc | 1.47 | 2,457,144 | +4.1 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 1.16 | 1,944,485 | +64.5 | 06/30/2026 |
| CIBC Bancorp USA Inc. | 0.34 | 572,842 | +34.6 | 06/30/2026 |
| First Trust Advisors L.P. | 0.30 | 494,251 | -0.7 | 06/30/2026 |
| Royce & Associates, LP | 0.27 | 448,606 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| American Century Small Cap Value Inv | 0.96 | 1,595,000 | +6.7 | 09/30/2026 |
| Bridge Builder Small Cap Fund | 0.34 | 561,442 | +29.7 | 10/31/2026 |
| Multi-Asset Diversified Income ETF | 0.32 | 539,447 | +0.0 | 10/29/2026 |
| Royce Small-Cap Fund Invmt | 0.29 | 484,158 | +129.9 | 09/30/2026 |
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 |
|---|---|---|---|---|---|
| McMullen William Wallace | Director | 74,894,431 | 674,049,879 $ | Sep 15, 2026 | both |
| Ward Tom L. | See Remarks | 27,782,588 | 250,043,292 $ | Oct 28, 2026 | both |
| White Kevin R. | See Remarks | 445,821 | 4,012,389 $ | Oct 28, 2026 | direct |
| Reel Michael E | See Remarks | 83,139 | 748,251 $ | Oct 28, 2026 | direct |
| Perich Stephen C | Director | 40,650 | 365,850 $ | Oct 28, 2026 | direct |
| Giesinger Edgar R. JR. | Director | 40,650 | 365,850 $ | Oct 28, 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 |
|---|---|---|---|---|---|---|
| Nov 10, 2026 | Ward Tom L. | See Remarks | Buy | 55,000 | 9.13 | 502,150 |
| Nov 9, 2026 | Ward Tom L. | See Remarks | Buy | 55,000 | 9.21 | 506,550 |
| Oct 28, 2026 | White Kevin R. | See Remarks | Other | 10,050 | 10.62 | 106,731 |
| Oct 28, 2026 | Ward Tom L. | See Remarks | Other | 16,156 | 10.62 | 171,577 |
| Oct 28, 2026 | Reel Michael E | See Remarks | Other | 2,677 | 10.62 | 28,430 |
| Oct 28, 2026 | Perich Stephen C | Director | Other | 11,539 | 13.00 | 150,007 |
| Oct 28, 2026 | Giesinger Edgar R. JR. | Director | Other | 11,539 | 13.00 | 150,007 |
| Sep 15, 2026 | McMullen William Wallace | Director | Buy | 12,390 | 11.30 | 140,007 |
| Sep 15, 2026 | McMullen William Wallace | Director | Buy | 22,124 | 11.25 | 248,895 |
| Sep 14, 2026 | Ward Tom L. | See Remarks | Buy | 172,413 | 11.60 | 1,999,991 |
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: November 12, 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.