MUHLENKAMP & CO INC — 13F Holdings & Portfolio
CIK 1133219 · latest 13F-HR filed 2026-08-18
MUHLENKAMP & CO INC manages $345.3M in 13F-reported U.S. long-equity assets across 28 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are RUSHA (7.03%), NEM (6.25%), AEM (6.22%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 1 new position, exited 2, added to 12, and trimmed 11.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
WEXFORD, PA 15090
$345.3M
Long-equity book
28
Distinct positions
2026-06-30
Filed 2026-08-18
+1 / −2 / ↑12 / ↓11
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- UNITED RENTALS INC$6.4M +56.2%
- MICROCHIP TECHNOLOGY INC.$5.4M +41.3%
- ICON PUB LTD CO$4.2M +57.8%
- RUSH ENTERPRISES INC$2.3M +10.5%
- TAYLOR MORRISON HOME CORP$2.1M +23.2%
Top Trims
- AGNICO EAGLE MINES LTD-$6.6M -23.6%
- LYONDELLBASELL INDUSTRIES NV-$5.2M -34.4%
- ROYAL GOLD INC-$4.8M -21.4%
- EQT CORP-$4.1M -16.2%
- CELANESE CORP DEL-$4.1M -29.7%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | RUSH ENTERPRISES INC | RUSHA | 781846209 | $24.3M | 7.03% | 332,332 | SH |
| 2 | NEWMONT CORP | NEM | 651639106 | $21.6M | 6.25% | 231,090 | SH |
| 3 | AGNICO EAGLE MINES LTD | AEM | 008474108 | $21.5M | 6.22% | 138,521 | SH |
| 4 | EQT CORP | EQT | 26884L109 | $21.4M | 6.19% | 402,243 | SH |
| 5 | MCKESSON CORP | MCK | 58155Q103 | $20.6M | 5.95% | 27,202 | SH |
| 6 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $19.3M | 5.58% | 38,495 | SH |
| 7 | MICROCHIP TECHNOLOGY INC. | MCHP | 595017104 | $18.5M | 5.37% | 203,139 | SH |
| 8 | APPLE INC | AAPL | 037833100 | $18.0M | 5.21% | 62,125 | SH |
| 9 | UNITED RENTALS INC | URI | 911363109 | $17.8M | 5.14% | 15,673 | SH |
| 10 | ROYAL GOLD INC | RGLD | 780287108 | $17.6M | 5.09% | 88,088 | SH |
| 11 | WABTEC | WAB | 929740108 | $17.0M | 4.93% | 63,156 | SH |
| 12 | BGC GROUP INC | BGC | 088929104 | $15.5M | 4.48% | 1,447,070 | SH |
| 13 | NMI HLDGS INC | NMIH | 629209305 | $15.1M | 4.39% | 368,558 | SH |
| 14 | SLB LIMITED | SLB | 806857108 | $15.1M | 4.36% | 323,878 | SH |
| 15 | MICROSOFT CORP | MSFT | 594918104 | $12.2M | 3.54% | 32,776 | SH |
| 16 | ICON PUB LTD CO | ICLR | G4705A100 | $11.5M | 3.34% | 66,337 | SH |
| 17 | TAYLOR MORRISON HOME CORP | TMHC | 87724P106 | $11.4M | 3.30% | 158,625 | SH |
| 18 | LYONDELLBASELL INDUSTRIES NV | LYB | N53745100 | $9.9M | 2.87% | 187,920 | SH |
| 19 | CELANESE CORP DEL | CE | 150870103 | $9.8M | 2.82% | 211,997 | SH |
| 20 | SPDR GOLD TR | GLD | 78463V107 | $8.1M | 2.35% | 22,068 | SH |
| 21 | ALPS ETF TR | AMLP | 00162Q452 | $7.8M | 2.26% | 150,615 | SH |
| 22 | EQUINOX GOLD CORP | EQX | 29446Y502 | $5.1M | 1.47% | 522,251 | SH |
| 23 | TRAVELERS COMPANIES INC | TRV | 89417E109 | $2.2M | 0.63% | 6,627 | SH |
| 24 | GE VERNOVA INC | GEV | 36828A101 | $1.7M | 0.49% | 1,426 | SH |
| 25 | ENTERPRISE PRODS PARTNERS L | EPD | 293792107 | $913.7K | 0.26% | 24,855 | SH |
| 26 | RUSH ENTERPRISES INC | RUSHB | 781846308 | $718.6K | 0.21% | 9,393 | SH |
| 27 | ISHARES SILVER TR | SLV | 46428Q109 | $671.0K | 0.19% | 12,550 | SH |
| 28 | EXXON MOBIL CORP | XOM | 30231G102 | $224.2K | 0.06% | 1,640 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-18 | $345.3M | 28 | 0001133219-26-000003 |
| 2026-03-31 | 2026-05-06 | $379.8M | 29 | 0001133219-26-000002 |
| 2025-12-31 | 2026-02-04 | $371.8M | 28 | 0001133219-26-000001 |