Muhlenkamp & Co Inc
- SEC CIK
- 0001133219
- Latest filing
- Aug 17, 2026
MTZ holding history
Mastec Inc in every 13F filed by Muhlenkamp & Co Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
MTZ overviewAll 13F holders of MTZFull Q2 2026 holdings
- Shares (Q2 2026)
- 0
- Sold out in Q2 2026
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 20
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 0 | $0 | 0.0% | −42,832−100.0% | Sold out | Holders |
| Q1 2026 | 42,832 | $13.8M | 3.6% | −62,928−59.5% | Reduced | Holders |
| Q4 2025 | 105,760 | $23.0M | 6.2% | −260.0% | Reduced | Holders |
| Q3 2025 | 105,786 | $22.5M | 6.1% | −298−0.3% | Reduced | Holders |
| Q2 2025 | 106,084 | $18.1M | 5.6% | +625+0.6% | Added | Holders |
| Q1 2025 | 105,459 | $12.3M | 4.0% | −450.0% | Reduced | Holders |
| Q4 2024 | 105,504 | $14.4M | 4.4% | +233+0.2% | Added | Holders |
| Q3 2024 | 105,271 | $13.0M | 4.0% | +240.0% | Added | Holders |
| Q2 2024 | 105,247 | $11.3M | 3.5% | −27,743−20.9% | Reduced | Holders |
| Q1 2024 | 132,990 | $12.4M | 3.6% | +1,981+1.5% | Added | Holders |
| Q4 2023 | 131,009 | $9.92M | 3.2% | +1,332+1.0% | Added | Holders |
| Q3 2023 | 129,677 | $9.33M | 3.2% | +1,858+1.5% | Added | Holders |
| Q2 2023 | 127,819 | $15.1M | 5.3% | – | No prior filing | Holders |
| Q1 2023 | – | – | – | – | Not filed | Holders |
| Q4 2022 | 128,217 | $10.9M | 4.6% | −124−0.1% | Reduced | Holders |
| Q3 2022 | 128,341 | $8.15M | 3.6% | +446+0.3% | Added | Holders |
| Q2 2022 | 127,895 | $9.16M | 4.3% | −1,164−0.9% | Reduced | Holders |
| Q1 2022 | 129,059 | $11.2M | 3.9% | +520+0.4% | Added | Holders |
| Q4 2021 | 128,539 | $11.9M | 4.1% | −95−0.1% | Reduced | Holders |
| Q3 2021 | 128,634 | $11.1M | 4.3% | −541−0.4% | Reduced | Holders |
| Q2 2021 | 129,175 | $13.7M | 5.0% | +541+0.4% | Added | Holders |
| Q1 2021 | 128,634 | $11.7M | 4.3% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.