As of November 6, 2026, 3 holders' latest Schedule 13D or 13G filings report owning 5% or more of Mach Natural Resources LP. The largest reported stake is IKAV General Partner S.a r.l.'s, at 14.2%. 5 filings are on record since September 22, 2025 (Schedule 13G/A, August 13, 2026).
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Key facts
- · Reporting person: IKAV General Partner S.a r.l. · Sole voting: 0 · Shared voting: 23,631,109 · Sole dispositive: 0 · Shared dispositive: 23,631,109 · SCHEDULE 13G/A, 2026-08-13
- · Reporting person: Tom L. Ward · Sole voting: 89,082 · Shared voting: 13,959,797 · Sole dispositive: 89,082 · Shared dispositive: 13,959,797 · SCHEDULE 13G/A, 2026-05-12
- · Holder: Kayne Anderson Capital Advisors, L.P. · Percent: 9.23% · Shares: 15,517,713 · SCHEDULE 13G/A
- · Holder: IKAV General Partner s.a r.l. · Percent: 18.2% · SCHEDULE 13G
- · Holder: Kayne Anderson Capital Advisors LP · Percent: 11.41% · SCHEDULE 13G
Mach Natural Resources LP has 5 Schedule 13D or 13G filings on record since 2025-09-22. 3 holders' latest filing reports 5% or more of common units. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| IKAV General Partner S.a r.l. | 14.2% | 23,631,109 | SCHEDULE 13G/A, 2026-08-13 | 2026-06-30 |
| Kayne Anderson Capital Advisors, L.P. | 9.23% | 15,517,713 | SCHEDULE 13G/A, 2026-04-08 | 2026-04-08 |
| 8.4% | 14,048,879 | SCHEDULE 13G/A, 2026-05-12 | 2026-03-31 |
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| IKAV General Partner S.a r.l. | 0 | 23,631,109 | 0 | 23,631,109 | SCHEDULE 13G/A, 2026-08-13 |
| VEPU Inc. | 0 | 19,371,999 | 0 | 19,371,999 | SCHEDULE 13G/A, 2026-08-13 |
| IDI Investment s.a r.l. | 0 | 19,371,999 | 0 | 19,371,999 | SCHEDULE 13G/A, 2026-08-13 |
| Ikav Sicav-Fis Sca | 0 | 23,631,109 | 0 | 23,631,109 | SCHEDULE 13G/A, 2026-08-13 |
| SIMLOG Inc. | 0 | 4,259,110 | 0 | 4,259,110 | SCHEDULE 13G/A, 2026-08-13 |
| Simlog S.a r.l. | 0 | 4,259,110 | 0 | 4,259,110 | SCHEDULE 13G/A, 2026-08-13 |
| Institut fur Kapitalanlagen und Vesicherungslosungen GmbH | 0 | 23,631,109 | 0 | 23,631,109 | SCHEDULE 13G/A, 2026-08-13 |
| Constantin von Wasserschleben | 0 | 23,631,109 | 0 | 23,631,109 | SCHEDULE 13G/A, 2026-08-13 |
| Kayne Anderson Capital Advisors, L.P. | 15,517,713 | 0 | 15,517,713 | 0 | SCHEDULE 13G/A, 2026-04-08 |
| Tom L. Ward | 89,082 | 13,959,797 | 89,082 | 13,959,797 | SCHEDULE 13G/A, 2026-05-12 |
The latest filing identifies Mach Natural Resources LP by CUSIP 55445L100 and gives its principal executive office as 14201 Wireless Way, Suite 300, Oklahoma City, OK 73134 (SCHEDULE 13G/A, 2026-08-13).
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-09-22 | Kayne Anderson Capital Advisors LP | 11.41% | SCHEDULE 13G |
| 2025-09-23 | IKAV General Partner s.a r.l. | 18.2% | SCHEDULE 13G |
| 2026-04-08 | Kayne Anderson Capital Advisors, L.P. | 9.23% | SCHEDULE 13G/A |
| 2026-05-12 | Tom L. Ward | 8.4% | SCHEDULE 13G/A |
| 2026-08-13 | IKAV General Partner S.a r.l. | 14.2% | SCHEDULE 13G/A |
Questions about who owns Mach Natural Resources LP
Who owns Mach Natural Resources LP?
On this page, 3 holders' latest ownership filings report 5% or more of Mach Natural Resources LP: IKAV General Partner S.a r.l. (14.2%, Schedule 13G/A, filed 2026-08-13), Kayne Anderson Capital Advisors, L.P. (9.23%, Schedule 13G/A, filed 2026-04-08) and Tom L. Ward (8.4%, Schedule 13G/A, filed 2026-05-12).
Who are the largest shareholders of Mach Natural Resources LP?
By the share each holder's latest filing reports, the largest holders of Mach Natural Resources LP on this page are IKAV General Partner S.a r.l. (14.2%), Kayne Anderson Capital Advisors, L.P. (9.23%) and Tom L. Ward (8.4%).
When did IKAV General Partner S.a r.l. buy into Mach Natural Resources LP?
The filings give report dates, not purchase dates. The earliest filing from IKAV General Partner S.a r.l. on this page is the Schedule 13G, filed 2025-09-23, reporting 18.2%; its latest, Schedule 13G/A filed 2026-08-13, reports 14.2%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 5 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.