MNR · Insider trading · 13F holders · Congress trades
Mach Natural Resources LP (MNR)
Who is buying and selling MNR: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 2
- Insider buys, 90 days
- $2.4M
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
MNR at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 MNR insiders filed 2 open-market purchases worth $2.4M on SEC Form 4.
- 2 13F filers hold MNR among their 50 largest positions, worth $199.2M combined. The biggest bets by portfolio weight are Kayne Anderson Capital Advisors LP (3.8%) and Pin Oak Investment Advisors Inc (2.2%).
- No member of Congress has disclosed a trade in MNR.
- MNR last closed at $10.62 on Oct 29, 2026.
MNR insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 MNR insiders filed 2 open-market purchases worth $2.4M on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 17, 2026 | McMullen William Wallace | Director, 10% Owner, See Remarks | Buy | 34,514 | $11.27 | $389K | SEC |
| Sep 16, 2026 | Ward Tom L. | See Remarks, Director, 10% Owner, See Remarks | Buy | 172,413 | $11.60 | $2.0M | SEC |
Who owns MNR? Hedge funds and superinvestors
2 13F filers hold MNR among their 50 largest positions, worth $199.2M combined. The biggest bets by portfolio weight are Kayne Anderson Capital Advisors LP (3.8%) and Pin Oak Investment Advisors Inc (2.2%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Kayne Anderson Capital Advisors LPHedge fund | 3.8% | $196.1M | 15,517,713 | -18.2% shares | Q2 2026 |
| Pin Oak Investment Advisors IncWealth manager | 2.2% | $3.1M | 242,399 | +1.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 2). Screen MNR in the grand portfolio →
MNR stock trades by members of Congress
No member of Congress has disclosed a trade in MNR.
Analysis mentioning MNR
Posts from the blog that cover Mach Natural Resources LP, newest first.
MNR questions and answers
Are insiders buying MNR stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 MNR insiders filed 2 open-market purchases worth $2.4M on SEC Form 4.
Which hedge funds own MNR?
2 13F filers hold MNR among their 50 largest positions, worth $199.2M combined. The biggest bets by portfolio weight are Kayne Anderson Capital Advisors LP (3.8%) and Pin Oak Investment Advisors Inc (2.2%).
Has Congress traded MNR?
No member of Congress has disclosed a trade in MNR.
Who is the largest holder of MNR?
Among 13F filers, Kayne Anderson Capital Advisors LP reports the largest MNR position, $196.1M (15,517,713 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Kayne Anderson Capital Advisors LP's: 3.8% of its portfolio.
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