Muhlenkamp & Co
Muhlenkamp & Co reported 28 stocks worth $345M in its 13F filing for Q2 2026, filed Aug 18, 2026. Its largest holdings are RUSHA (7.0%), NEM (6.3%) and AEM (6.2%). Compared with Q1 2026, the fund opened new positions in SLV, added to RUSHA, EQT and MCK, trimmed AAPL, MSFT and RUSHB and sold out of MTZ and FRDM.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  RUSHA Rush Enterprises Inc | $24.3M | 7.0% | 332K | +427 (+0%) | 8 of 8 | |
| 2 |  NEM Newmont Corp | $21.6M | 6.3% | 231K | No change | 8 of 8 | |
| 3 |  AEM Agnico Eagle Mines Ltd F | $21.5M | 6.2% | 139K | No change | 7 of 8 | |
| 4 |  EQT Eqt Corp | $21.4M | 6.2% | 402K | +1,001 (+0%) | 8 of 8 | |
| 5 |  MCK Mckesson Corp | $20.6M | 6.0% | 27K | +33 (+0%) | 8 of 8 | |
| 6 |  BRK.B Berkshire Hathaway Inc Del | $19.3M | 5.6% | 38K | +144 (+0%) | 8 of 8 | |
| 7 |  MCHP Microchip Technology Inc | $18.5M | 5.4% | 203K | No change | 8 of 8 | |
| 8 |  AAPL Apple Inc | $18M | 5.2% | 62K | −434 (−1%) | 8 of 8 | |
| 9 |  URI United Rentals Inc | $17.8M | 5.1% | 16K | +70 (+0%) | 8 of 8 | |
| 10 |  RGLD Royal Gold Inc | $17.6M | 5.1% | 88K | +196 (+0%) | 8 of 8 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 18, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Muhlenkamp & Co 13F FAQ
What does Muhlenkamp & Co own?
Muhlenkamp & Co reported 28 stocks worth $345M in its 13F filing for Q2 2026, filed Aug 18, 2026. Its largest holdings are RUSHA (7.0%), NEM (6.3%) and AEM (6.2%). The table above lists every position in the filing (the top 10 without an account).
What did Muhlenkamp & Co buy and sell in Q2 2026?
Compared with Q1 2026: 1 new positions, 13 added to, 3 trimmed and 2 sold out. New positions include SLV. It sold all of MTZ and FRDM.
When will Muhlenkamp & Co file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is Muhlenkamp & Co's portfolio worth?
The Q2 2026 filing reports $345M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.