Ronald Muhlenkamp – Muhlenkamp & Co Portfolio Activity & Recent Trades (Jun 30, 2025)
As of Jun 30, 2025, the Muhlenkamp & Co portfolio activity showed several notable changes in holdings, according to the latest SEC 13F filing reported on Jul 24, 2025. The activity included new positions, additions to existing holdings, reductions, and complete exits, providing a clear view of how the portfolio evolved during the quarter.
During Q2 2025, the filing reported:
New Buys – Celanese Corporation (CE)
Increases – Microchip Technology Incorporat (MCHP), Transocean (H8817H100), BGC Group, Inc. (BGC), Dow Inc. (DOW), Schlumberger N.V. (SLB), and 15 more
Complete Exits – UnitedHealth Group Incorporated (UNH)
These updates highlight how the portfolio adjusted across different sectors and market conditions, offering insights into allocation shifts and investment trends.
Muhlenkamp & Co Activity
| Date | Symbol | Type | Quantity |
|---|---|---|---|
Q2 2015Jun 30, 2015 | PAAS Pan American Silver Corp. | Sell | -10,350-50.0% |
Q2 2015Jun 30, 2015 | OLED Universal Display Corporation | Sell | -26,220-12.4% |
Q2 2015Jun 30, 2015 | ISSC Innovative Solutions and Suppor | Sell | -32,800-9.1% |
Q2 2015Jun 30, 2015 | LNC Lincoln National Corporation | Sell | -99,805-32.4% |
Q2 2015Jun 30, 2015 | STT State Street Corporation | Sell | -100,145-42.4% |
Q2 2015Jun 30, 2015 | BRK-B Berkshire Hathaway Inc. New | Sell - Position Exit | -112,530-100.0% |
Q2 2015Jun 30, 2015 | AAL American Airlines Group, Inc. | Sell - Position Exit | -123,090-100.0% |
Q2 2015Jun 30, 2015 | SAH Sonic Automotive, Inc. | Sell - Position Exit | -515,300-100.0% |
Q1 2015Mar 31, 2015 | ON ON Semiconductor Corporation | Buy | +758,900+149.3% |
Q1 2015Mar 31, 2015 | HBI Hanesbrands Inc. | Buy | +382,570+299.4% |
Q1 2015Mar 31, 2015 | MDT Medtronic | Buy - Position Entry | +173,653 |
Q1 2015Mar 31, 2015 | MSFT Microsoft Corporation | Buy | +100,070+52.6% |
Q1 2015Mar 31, 2015 | HAL Halliburton Company | Buy | +100,000+811.0% |
Q1 2015Mar 31, 2015 | DFS Discover Financial Services | Buy | +68,075+47.3% |
Q1 2015Mar 31, 2015 | MGNX MacroGenics, Inc. | Buy | +49,680+297.0% |
Q1 2015Mar 31, 2015 | GNW Genworth Financial Inc | Buy - Position Entry | +24,400 |
Q1 2015Mar 31, 2015 | SAVE Spirit Airlines, Inc. | Buy | +1,570+0.9% |
Q1 2015Mar 31, 2015 | OLED Universal Display Corporation | Buy | +630+0.3% |
Q1 2015Mar 31, 2015 | TEVA Teva Pharmaceutical Industries | Buy | +325+0.2% |
Q1 2015Mar 31, 2015 | AAPL Apple Inc. | Buy | +180+0.1% |
Q1 2015Mar 31, 2015 | MS Morgan Stanley | Buy | +120+0.0% |
Q1 2015Mar 31, 2015 | GM General Motors Company | Buy | +115+0.2% |
Q1 2015Mar 31, 2015 | RUSHB Rush Enterprises, Inc. | Buy | +115+0.1% |
Q1 2015Mar 31, 2015 | LNC Lincoln National Corporation | Buy | +75+0.0% |
Q1 2015Mar 31, 2015 | DAL Delta Air Lines, Inc. | Buy | +65+0.0% |
Q1 2015Mar 31, 2015 | AAL American Airlines Group, Inc. | Buy | +55+0.0% |
Q1 2015Mar 31, 2015 | CE Celanese Corporation | Buy | +50+0.0% |
Q1 2015Mar 31, 2015 | BMY Bristol-Myers Squibb Company | Sell | -120-0.1% |
Q1 2015Mar 31, 2015 | BFH Bread Financial Holdings, Inc. | Sell | -130-0.1% |
Q1 2015Mar 31, 2015 | STT State Street Corporation | Sell | -141-0.1% |