Comparable stake leader
BCE-Mach Aggregator LLC
SEC ownership of MACH NATURAL RESOURCES LP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001980088.
Disclosed value leader
BCE-Mach Aggregator LLC
Comparable rows
50/50
Latest evidence
15 Sep 2026
- Public ticker
- MNR on NYSE
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BCE-Mach Aggregator LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BCE-Mach Aggregator LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
15 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001980088
- Issuer location
- Oklahoma City, OK
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of MACH NATURAL RESOURCES LP (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BCE-Mach Aggregator LLC
Disclosed value leader
BCE-Mach Aggregator LLC
Comparable rows
50/50
Latest evidence
15 Sep 2026
13D/G
3/4/5
13F
Lead comparable stake: 63%
13D/G row: BCE-Mach Aggregator LLC
Showing 1-8 of 50 holder rows.
Quick read
BCE-Mach Aggregator LLC leads the comparable SEC ownership view at 63%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BCE-Mach Aggregator LLC's linked filing trail.
Comparable ownership
Top 5
BCE-Mach Aggregator LLC
63%
IKAV General Partner S.a r.l.
14%
KAYNE ANDERSON CAPITAL ADVISORS LP
9.2%
Tom L. Ward
8.4%
BAYOU CITY ENERGY MANAGEMENT LLC
45%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BCE-Mach Aggregator LLC |
13D/G
Bayou City Energy Management LLC
|
63%
|
$1,010,722,806
74,812,939 shares
|
+$7,099,897 | 10 Jun 2025 |
| IKAV General Partner S.a r.l. |
13D/G
3/4/5
10%+ Owner
|
14%
|
$298,697,218
23,631,109 shares
|
-$88,229,159 | 30 Jun 2026 |
| KAYNE ANDERSON CAPITAL ADVISORS LP |
13D/G
3/4/5
13F
KAYNE ANDERSON CAPITAL ADVISORS, L.P. · Former 10% Owner · Company
|
9.2%
|
$209,333,948
15,517,713 shares
|
-$49,506,519 | 08 Apr 2026 |
| Tom L. Ward |
3/4/5
13D/G
Officer, Director, Other*, 10%+ Owner
|
8.4%
from 13D/G
|
$506,968,568
41,571,913 shares
|
+$5,965,110 | 14 Sep 2026 |
| BAYOU CITY ENERGY MANAGEMENT LLC |
3/4/5
10%+ Owner
|
45%
|
$846,305,964
74,894,431 shares
|
+$388,902 | 15 Sep 2026 |
| William W. McMullen |
3/4/5
Director, Other*, 10%+ Owner
|
45%
|
$846,305,964
74,894,431 shares
|
+$944,532 | 15 Sep 2026 |
| VEPU Inc. |
3/4/5
10%+ Owner
|
12%
|
$271,207,986
19,371,999 shares
|
-$71,193,868 | 15 May 2026 |
| Sabinal Energy Operating, LLC |
3/4/5
Former 10% Owner
|
9.3%
|
$171,315,551
15,517,713 shares
|
— | 08 Apr 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$135,061,272.
Buys
$7,326,464
Insiders: 4
Sells
$142,387,736
Insiders: 2
Net
-$135,061,272
Shares: -10,507,738
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 607,620
Shares: 11,115,358
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 241,441 | 0 | $2,777,795 | $0 | +$2,777,795 |
| 3-6 | 153,256 | 11,115,358 | $1,999,991 | $142,387,736 | -$140,387,745 |
| 6-9 | 11,285 | 0 | $156,720 | $0 | +$156,720 |
| 9-12 | 201,638 | 0 | $2,391,958 | $0 | +$2,391,958 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-14 of 14 reporting-owner rows connected to MACH NATURAL RESOURCES LP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
14
Largest Forms 3/4/5 holder
William W. McMullen
Net 12M change
-$135,061,272
Latest report
15 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| William W. McMullen | Director, Other*, 10%+ Owner | $846,305,964 | +$944,532 | +0.11% | Filing P/S | 15 Sep 2026 |
| BAYOU CITY ENERGY MANAGEMENT LLC | 10%+ Owner | $846,305,964 | +$388,902 | +0.05% | Filing P/S | 15 Sep 2026 |
| Tom L. Ward | Officer, Director, Other*, 10%+ Owner | $506,968,568 | +$5,965,110 | +1.2% | Mixed | 14 Sep 2026 |
| IKAV General Partner S.a r.l. | 10%+ Owner | $271,207,986 | -$71,193,868 | -21% | Mixed | 15 May 2026 |
| VEPU Inc. | 10%+ Owner | $271,207,986 | -$71,193,868 | -21% | Mixed | 15 May 2026 |
| KAYNE ANDERSON CAPITAL ADVISORS LP | Former 10% Owner | $171,315,551 | Mixed | 08 Apr 2026 | ||
| Sabinal Energy Operating, LLC | Former 10% Owner | $171,315,551 | Mixed | 08 Apr 2026 | ||
| Reineke Daniel T. Jr. | Officer, Other* | $13,553,844 | Mixed | 27 Oct 2023 | ||
| Kevin R. White | Officer, Other* | $5,753,092 | Mixed | 09 Feb 2026 | ||
| Michael E. Reel | Officer, Other* | $1,082,997 | Mixed | 09 Feb 2026 | ||
| Frank A. Keating | Director, Other* | $362,723 | Mixed | 28 Oct 2025 | ||
| Edgar R. Giesinger Jr. | Director, Other* | $362,723 | Mixed | 28 Oct 2025 | ||
| Stephen C. Perich | Director, Other* | $362,723 | Mixed | 28 Oct 2025 | ||
| Christopher Burn | Director, Other* | $215,879 | +$27,920 | +15% | Filing P/S | 19 Mar 2026 |
Recent insider transactions for MACH NATURAL RESOURCES LP
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| McMullen William Wallace | MNR | Common Units | Purchase | 0.02% | $140,007 | $11.30 | 12,390 | 74,872,307 | 15 Sep 2026 | See footnote |
| William W. McMullen | MNR | Common Units | Purchase | 0.02% | $140,007 | $11.30 | 12,390 | 74,872,307 | 15 Sep 2026 | See footnote |
| McMullen William Wallace | MNR | Common Units | Purchase | $248,895 | $11.25 | 22,124 | 22,124 | 15 Sep 2026 | Direct | |
| William W. McMullen | MNR | Common Units | Purchase | $248,895 | $11.25 | 22,124 | 22,124 | 15 Sep 2026 | Direct | |
| Tom L. Ward | MNR | Common Units | Purchase | 1.3% | $1,999,991 | $11.60 | 172,413 | 13,467,452 | 14 Sep 2026 | Held by Tom L. Ward 1992 Revocable Living Trust |
| IKAV General Partner S.a r.l. | MNR | Common Units | Other | -6.84% | -1,422,476 | 19,371,999 | 15 May 2026 | See footnote | ||
| IKAV General Partner S.a r.l. | MNR | Common Units | Other | -6.84% | -1,422,476 | 19,371,999 | 15 May 2026 | See footnote | ||
| Tom L. Ward | MNR | Common Units | Purchase | $999,995 | $13.05 | 76,628 | 76,628 | 13 Apr 2026 | Held by WCT Resources LLC | |
| Tom L. Ward | MNR | Common Units | Purchase | 0.58% | $999,995 | $13.05 | 76,628 | 13,295,039 | 13 Apr 2026 | Held by Tom L. Ward 1992 Revocable Living Trust |
| IKAV General Partner S.a r.l. | MNR | Common Units | Sale | -56.6% | $71,193,868 | $12.81 | -5,557,679 | 4,259,110 | 08 Apr 2026 | See Footnotes |
| IKAV General Partner S.a r.l. | MNR | Common Units | Sale | -56.6% | $71,193,868 | $12.81 | -5,557,679 | 4,259,110 | 08 Apr 2026 | See Footnotes |
| Kayne Anderson Capital Advisors Lp | MNR | Common Units | Other | -18.2% | -3,442,321 | 15,517,713 | 08 Apr 2026 | Sabinal Energy Operating, LLC | ||
| Kayne Anderson Capital Advisors Lp | MNR | Common Units | Other | -18.2% | -3,442,321 | 15,517,713 | 08 Apr 2026 | Sabinal Energy Operating, LLC | ||
| William W. McMullen | MNR | Common Units | Purchase | $43,820 | $13.63 | 3,215 | 74,859,917 | 23 Mar 2026 | See footnote | |
| Christopher Burn | MNR | Common Units | Purchase | 6.86% | $13,850 | $13.85 | 1,000 | 15,587 | 20 Mar 2026 | Direct |
| William W. McMullen | MNR | Common Units | Purchase | $35,000 | $14.00 | 2,500 | 74,856,702 | 20 Mar 2026 | See footnote | |
| Christopher Burn | MNR | Common Units | Purchase | 7.36% | $14,070 | $14.07 | 1,000 | 14,587 | 19 Mar 2026 | Direct |
| William W. McMullen | MNR | Common Units | Purchase | $49,980 | $14.00 | 3,570 | 74,854,202 | 19 Mar 2026 | See footnote | |
| Kevin R. White | MNR | Common Units | Tax liability | -1.22% | -5,627 | 455,871 | 11 Feb 2026 | Direct | ||
| Michael E. Reel | MNR | Common Units | Tax liability | -2.87% | -2,532 | 85,816 | 11 Feb 2026 | Direct | ||
| Kevin R. White | MNR | Common Units | Award | 2.64% | 11,886 | 461,498 | 09 Feb 2026 | Direct | ||
| Michael E. Reel | MNR | Common Units | Award | 6.19% | 5,151 | 88,348 | 09 Feb 2026 | Direct | ||
| Kayne Anderson Capital Advisors Lp | MNR | Common Units | Other | -1.19% | -227,547 | 18,960,034 | 09 Feb 2026 | Sabinal Energy Operating, LLC | ||
| Christopher Burn | MNR | Common Units | Award | 13,587 | 13,587 | 01 Jan 2026 | Direct | |||
| William Wallace McMullen | MNR | Common Units | Purchase | 0.02% | $215,600 | $12.32 | 17,500 | 74,850,632 | 09 Dec 2025 | See footnote |
| William Wallace McMullen | MNR | Common Units | Purchase | 0.02% | $156,625 | $12.53 | 12,500 | 74,833,132 | 08 Dec 2025 | See footnote |
| Tom L. Ward | MNR | Common Units | Purchase | 31.5% | $465,200 | $11.63 | 40,000 | 167,030 | 26 Nov 2025 | Held by Tom L. Ward Family Foundation |
| Tom L. Ward | MNR | Common Units | Purchase | 52.4% | $499,907 | $11.45 | 43,660 | 127,030 | 25 Nov 2025 | Held by Tom L. Ward Family Foundation |
| Tom L. Ward | MNR | Common Units | Purchase | 100.3% | $500,045 | $11.98 | 41,740 | 83,370 | 17 Nov 2025 | Held by Tom L. Ward Family Foundation |
| William Wallace McMullen | MNR | Common Units | Purchase | 0.01% | $54,605 | $11.85 | 4,608 | 74,820,632 | 14 Nov 2025 | See footnote |
| Tom L. Ward | MNR | Common Units | Purchase | $499,976 | $12.01 | 41,630 | 41,630 | 14 Nov 2025 | Held by Tom L. Ward Family Foundation | |
| Edgar R. Giesinger Jr. | MNR | Common Units | Award | 70.5% | 12,039 | 29,111 | 28 Oct 2025 | Direct | ||
| Stephen C. Perich | MNR | Common Units | Award | 70.5% | 12,039 | 29,111 | 28 Oct 2025 | Direct | ||
| Kevin R. White | MNR | Common Units | Tax liability | -2.2% | -10,107 | 449,612 | 28 Oct 2025 | Direct | ||
| Michael E. Reel | MNR | Common Units | Tax liability | -3.13% | -2,692 | 83,197 | 28 Oct 2025 | Direct | ||
| Tom L. Ward | MNR | Common Units | Tax liability | -0.08% | -10,722 | 13,728,593 | 28 Oct 2025 | Direct | ||
| Frank A. Keating | MNR | Common Units | Award | 70.5% | 12,039 | 29,111 | 28 Oct 2025 | Direct |
* marks a reported price that did not pass the local price check.