Muhlenkamp & Co. Inc.
Muhlenkamp & Co Inc is an independent investment advisory and fund management firm headquartered in Wexford, Pennsylvania. Founded by Ronald H. Muhlenkamp in 1978, the firm manages the Muhlenkamp Fund and provides professional investment management services focused on maximizing total after-tax returns for its clients, primarily serving individual and institutional investors. The firm is known for its disciplined, valuation-driven investment approach. Employee count is fewer than 25.
Investment Strategy
Muhlenkamp & Co Inc seeks to maximize total after-tax returns through capital appreciation and income from dividends and interest, consistent with reasonable risk. The investment strategy focuses on investing in undervalued assets identified via a bottom-up process emphasizing return on equity and fundamental valuation. Positions may include equities of U.S. companies the firm believes are materially undervalued by the market, and bonds as appropriate. The firm adheres to a disciplined approach, seeking opportunities independently of prevailing market fads, and emphasizes risk reduction through protecting purchasing power over the long term rather than just short-term price volatility.
Latest 13F Filing Activity
Muhlenkamp & Co. Inc. filed their most recent 13F report on Jun 30, 2025 disclosing 26 equity positions with a total 13F market value of $320M. The fund increased holdings in Microchip Technology Inc., Celanese Corp. Del, Mastec Inc. among other positions. Muhlenkamp & Co. Inc. reduced exposure to Unitedhealth Group Inc., Mckesson Corp., Schlumberger LTD among others.
Top Holdings
Equity Positions (26)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
E EQT | EQT CORP | 8.21% | $26.3M | 451,015 | $41.13 | $58.32 | +$2.3M |
M MCK | MCKESSON CORP | 6.19% | $19.8M | 27,084 | $428.30 | $732.78 | -$6.1M |
N NMIH | NMI HLDGS INC | 6.13% | $19.7M | 465,854 | $26.02 | $42.19 | +$3.0M |
| RUSH ENTERPRISES INC | 6.01% | $19.3M | 373,783 | $40.88 | $51.51 | -$587.2K | |
| BERKSHIRE HATHAWAY INC DEL | 5.81% | $18.6M | 38,351 | $342.75 | $485.77 | -$1.7M |