Whale Analyzer
Muhlenkamp 13F Holdings and Portfolio Changes
Muhlenkamp reported $345.3M in 13F securities for Q2 2026, with 28 positions. Values are as of the report date; option positions, when present, use underlying-security values. This is not complete fund assets or investment performance.
Open interactive portfolioLatest 13F portfolio changes
New or increased positions include RUSH ENTERPRISES (RUSHA), EQT, MCKESSON (MCK), and Berkshire Hathaway (BRK-B). Reduced or exited positions include NEWMONT (NEM), AGNICO EAGLE MINES (AEM), Apple (AAPL), and MASTEC (MTZ). These are comparisons between reported positions, not a record of execution dates, prices or cash traded.
Latest filing metadata: quarter Q2 2026; report date 2026-06-30; filing date 2026-08-18; disclosure source SEC 13F.
Reported holdings and concentration
Muhlenkamp's Q2 2026 13F report contains 28 positions valued at $345.3M. The largest reported holdings include RUSH ENTERPRISES, NEWMONT, AGNICO EAGLE MINES, EQT, and MCKESSON.
The three largest positions in the holdings table account for approximately 19.5% of reported 13F value. The largest reported sector exposure is Other at 28.8% of the disclosed portfolio.
The filing metadata lists report date 2026-06-30, filing date 2026-08-18, SEC accession 0001133219-26-000003. SEC 13F reports are normally published up to 45 days after quarter end, so the data is best used to understand institutional positioning after the fact rather than to infer today's exact portfolio.
Muhlenkamp portfolio analytics
the top five positions account for 31.6% of disclosed value; the largest sector exposure is Materials at 21.8%.
Top reported holdings
| Holding | Reported value | Weight | Quarter change |
|---|---|---|---|
| RUSHA whale holders RUSH ENTERPRISES INC | $24.3M | 7.0% | Increased |
| NEM whale holders NEWMONT CORP | $21.6M | 6.2% | Reduced |
| AEM whale holders AGNICO EAGLE MINES LTD | $21.5M | 6.2% | Reduced |
| EQT whale holders EQT CORP | $21.4M | 6.2% | Increased |
| MCK whale holders MCKESSON CORP | $20.6M | 6.0% | Increased |
| BRK-B whale holders BERKSHIRE HATHAWAY INC DEL | $19.3M | 5.6% | Increased |
| MCHP whale holders MICROCHIP TECHNOLOGY INC. | $18.5M | 5.4% | Increased |
| AAPL whale holders APPLE INC | $18.0M | 5.2% | Reduced |
| URI whale holders UNITED RENTALS INC | $17.8M | 5.1% | Increased |
| RGLD whale holders ROYAL GOLD INC | $17.6M | 5.1% | Increased |
New and increased positions
Largest reported position values among additions; not amounts spent buying.
- RUSHA whale holders — RUSH ENTERPRISES INC ($24.3M)
- EQT whale holders — EQT CORP ($21.4M)
- MCK whale holders — MCKESSON CORP ($20.6M)
- BRK-B whale holders — BERKSHIRE HATHAWAY INC DEL ($19.3M)
- MCHP whale holders — MICROCHIP TECHNOLOGY INC. ($18.5M)
- URI whale holders — UNITED RENTALS INC ($17.8M)
Reduced and exited positions
Sorted by reported position value; exits use the prior report. These are not sale proceeds.
- NEM whale holders — NEWMONT CORP ($21.6M)
- AEM whale holders — AGNICO EAGLE MINES LTD ($21.5M)
- AAPL whale holders — APPLE INC ($18.0M)
- MTZ whale holders — MASTEC INC ($13.8M)
- FRDM whale holders — EA SERIES TRUST ($12.9M)
- MSFT whale holders — MICROSOFT CORP ($12.2M)
Allocation
- Other: 28.8%
- Materials: 21.8%
- Information Technology: 14.1%
- Industrials: 10.6%
- Financials: 6.2%
- Health Care: 6.0%
- Energy: 4.4%
- Consumer Discretionary: 3.3%
Data notes
Report date: 2026-06-30
Disclosure source: SEC 13F
Read the original SEC filing (0001133219-26-000003)
SEC 13F filings are delayed public disclosures and do not include every asset class, short positions, or real-time trades.
Related investor portfolios
Profiles with the same disclosure type, ordered by overlap among their top 20 reported holdings.
- Check Capital Management 13F holdings and portfolio changes — Check Capital Management
- H&H International Investment 13F holdings and portfolio changes — H&H International Investment
- Wedgewood Partners 13F holdings and portfolio changes — Wedgewood Partners
- Century Management 13F holdings and portfolio changes — Century Management
- Markel Group 13F holdings and portfolio changes — Markel Group
- National Pension Service 13F holdings and portfolio changes — National Pension Service
- Himalaya Capital Management 13F holdings and portfolio changes — Himalaya Capital Management
- Fairholme Capital Management 13F holdings and portfolio changes — Fairholme Capital Management
Learn more in Whale Analyzer Academy
Learn more in Whale Analyzer Academy:
Questions about this 13F filing
What does Muhlenkamp report for Q2 2026?
The filing reports 28 positions and $345.3M in 13F securities. The holdings table shows reported values and weights; option values follow the filing's reporting conventions.
What changed between filings?
New or increased positions include RUSH ENTERPRISES (RUSHA), EQT, MCKESSON (MCK), and Berkshire Hathaway (BRK-B). Reduced or exited positions include NEWMONT (NEM), AGNICO EAGLE MINES (AEM), Apple (AAPL), and MASTEC (MTZ).
Do these amounts show how much was bought or sold?
No. The change lists are ranked by reported position value. Exited positions use their value in the prior report. These amounts are not execution prices, cash invested or sale proceeds.
Is this the current portfolio?
No. Form 13F is a quarter-end snapshot, generally filed within 45 days of quarter end. It excludes short positions and does not cover every asset. Compare the report date and filing date before using the data.