Muhlenkamp & Co Inc reported 26 positions worth $326.06M for the quarter ended Jun 30, 2026, down 6.8% on the prior quarter. It opened 1 new position, added to 15, trimmed 6 and exited 1. Its largest holding is Rush Enterprises Inc \Tx\ at 7.4% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| SLV iShares Silver Trust | +12.6K | – | $671.05K | 0.206% |
| NMIH NMI Holdings, Inc. | +2,339 | +0.6% | $96.11K | 4.64% |
| SLB Slb Limited | +1,707 | +0.5% | $79.36K | 4.62% |
| URI United Rentals, Inc. | +70 | +0.4% | $79.30K | 5.45% |
| BRK-B Berkshire Hathaway Inc | +144 | +0.4% | $72.06K | 5.91% |
| ICLR Icon Plc | +332 | +0.5% | $57.67K | 3.53% |
| CE Celanese Corp | +1,197 | +0.6% | $55.06K | 2.99% |
| EQT EQT Corp | +1,001 | +0.2% | $53.22K | 6.56% |
| LYB LyondellBasell Industries N.V. | +761 | +0.4% | $40.07K | 3.03% |
| RGLD Royal Gold Inc | +196 | +0.2% | $39.12K | 5.39% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| MTZ Mastec Inc | -42.8K | -100.0% | $13.78M | Exited |
| AAPL Apple Inc. | -434 | -0.7% | $125.58K | 5.51% |
| MSFT Microsoft Corp | -161 | -0.5% | $60.06K | 3.75% |
| AEM Agnico Eagle Mines Ltd | -67 | 0.0% | $10.39K | 6.59% |
| NEM NEWMONT Corp | -92 | 0.0% | $8.59K | 6.62% |
| GLD Spdr Gold Trust | -15 | -0.1% | $5.53K | 2.49% |
| RUSHB Rush Enterprises Inc \Tx\ | -92 | -0.6% | $4.67K | 0.22% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| SLV iShares Silver Trust | +12.6K | $671.05K | 0.206% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| MTZ Mastec Inc | -42.8K | $13.78M | 3.94% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | RUSHA Rush Enterprises Inc \Tx\ | Industrials | 498.5K | $24.26M | 7.44% | +641 | +0.1% | Added | 0.54% |
| 2 | NEM NEWMONT Corp | Basic Materials | 231.1K | $21.58M | 6.62% | -92 | 0.0% | Reduced | 0.02% |
| 3 | AEM Agnico Eagle Mines Ltd | Basic Materials | 138.5K | $21.49M | 6.59% | -67 | 0.0% | Reduced | 0.03% |
| 4 | EQT EQT Corp | Energy | 402.2K | $21.39M | 6.56% | +1,001 | +0.2% | Added | 0.06% |
| 5 | MCK Mckesson Corp | Healthcare | 27.2K | $20.55M | 6.3% | +33 | +0.1% | Added | 0.02% |
| 6 | BRK-B Berkshire Hathaway Inc | Financial Services | 38.5K | $19.26M | 5.91% | +144 | +0.4% | Added | 0% |
| 7 | MCHP Microchip Technology Inc | Technology | 203.1K | $18.53M | 5.68% | +154 | +0.1% | Added | 0.04% |
| 8 | AAPL Apple Inc. | Technology | 62.1K | $17.98M | 5.51% | -434 | -0.7% | Reduced | 0% |
| 9 | URI United Rentals, Inc. | Industrials | 15.7K | $17.76M | 5.45% | +70 | +0.4% | Added | 0.03% |
| 10 | RGLD Royal Gold Inc | Financial Services | 88.1K | $17.58M | 5.39% | +196 | +0.2% | Added | 0.1% |
| 11 | WAB Westinghouse Air Brake Technologies Corp | Industrials | 63.2K | $17.03M | 5.22% | +1 | +0.0% | Added | 0.04% |
| 12 | BGC BGC Group, Inc. | Financial Services | 1.45M | $15.47M | 4.74% | +3,129 | +0.2% | Added | 0.4% |
| 13 | NMIH NMI Holdings, Inc. | Financial Services | 368.6K | $15.14M | 4.64% | +2,339 | +0.6% | Added | 0.49% |
| 14 | SLB Slb Limited | Energy | 323.9K | $15.06M | 4.62% | +1,707 | +0.5% | Added | 0.02% |
| 15 | MSFT Microsoft Corp | Technology | 32.8K | $12.23M | 3.75% | -161 | -0.5% | Reduced | 0% |
Tip. Select a row to see that position’s full history at Muhlenkamp.
As of its Q2 2026 13F filing, Muhlenkamp & Co Inc’s five largest positions were Rush Enterprises Inc \Tx\ (RUSHA) at 7.4%, NEWMONT Corp (NEM) at 6.6%, Agnico Eagle Mines Ltd (AEM) at 6.6%, EQT Corp (EQT) at 6.6%, Mckesson Corp (MCK) at 6.3% of the reported portfolio.
Muhlenkamp & Co Inc reported a 13F portfolio worth $326.06M across 26 positions for Q2 2026. That is down 6.8% from the previous quarter.
Its largest purchases by value were iShares Silver Trust ($671.05K), NMI Holdings, Inc. ($96.11K), Slb Limited ($79.36K). It opened 1 new positions.
Its largest sales by value were Mastec Inc ($13.78M), Apple Inc. ($125.58K), Microsoft Corp ($60.06K). It exited 1 positions entirely.
From the Form 13F-HR reports Muhlenkamp & Co Inc files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.