MTZ Stock Ownership Activity

MASTEC INC 13F holders

3 value investing gurus have made changes to the MASTEC INC (MTZ) position according to the gurus' latest SEC quarterly report(s). MTZ has been bought (as a new position) by 1 guru(s), the number of MTZ shares has been decreased by 2 super investor(s).

Which gurus or hedge funds are buying MTZ now?

According to the latest SEC filing(s) MASTEC INC (MTZ) has been bought by Stephen Mandel - Lone Pine Capital (new buy).

To see more about who is investing in MASTEC INC (MTZ), please go to the MTZ ownership page.

2026 Q1 (3 results)
Stephen Mandel
buy
+1,531,050
+3.93%
3.93%
Ronald Muhlenkamp
-59.50%
-62,928
-5.33%
3.63%
Daniel Loeb
-65.41%
-605,000
-9.35%
4.94%
Current price: $369.66 14.89% AVG reported price*: $321.74
2025 Q4 (2 results)
Daniel Loeb
+27.59%
+200,000
+0.60%
2.77%
Ronald Muhlenkamp
-0.02%
-26
-0.00%
6.18%
Current price: $369.66 70.06% AVG reported price*: $217.37
2025 Q3 (2 results)
Daniel Loeb
buy
+725,000
+1.84%
1.84%
Ronald Muhlenkamp
-0.28%
-298
-0.02%
6.12%
Current price: $369.66 73.70% AVG reported price*: $212.81
2025 Q2 (1 result)
Ronald Muhlenkamp
+0.59%
+625
+0.03%
5.64%
Current price: $369.66 116.90% Reported price*: $170.43
2025 Q1 (1 result)
Ronald Muhlenkamp
-0.04%
-45
-0.00%
4.03%
Current price: $369.66 216.73% Reported price*: $116.71
2024 Q4 (1 result)
Ronald Muhlenkamp
+0.22%
+233
+0.01%
4.36%
Current price: $369.66 171.53% Reported price*: $136.14
2024 Q3 (1 result)
Ronald Muhlenkamp
+0.02%
+24
+0.00%
3.97%
Current price: $369.66 200.29% Reported price*: $123.10
2024 Q2 (1 result)
Ronald Muhlenkamp
-20.86%
-27,743
-0.93%
3.51%
Current price: $369.66 245.51% Reported price*: $106.99
2024 Q1 (1 result)
Ronald Muhlenkamp
+1.51%
+1,981
+0.05%
3.60%
Current price: $369.66 296.42% Reported price*: $93.25
2023 Q4 (1 result)
Ronald Muhlenkamp
+1.03%
+1,332
+0.03%
3.24%
Current price: $369.66 388.19% Reported price*: $75.72
2023 Q3 (1 result)
Ronald Muhlenkamp
+1.45%
+1,858
+0.05%
3.22%
Current price: $369.66 413.63% Reported price*: $71.97
2023 Q2 (1 result)
Ronald Muhlenkamp
-0.31%
-398
-0.02%
5.34%
Current price: $369.66 213.35% Reported price*: $117.97
2022 Q4 (1 result)
Ronald Muhlenkamp
-0.10%
-124
-0.00%
4.64%
Current price: $369.66 333.21% Reported price*: $85.33
2022 Q3 (1 result)
Ronald Muhlenkamp
+0.35%
+446
+0.01%
3.64%
Current price: $369.66 482.12% Reported price*: $63.50
2022 Q2 (1 result)
Ronald Muhlenkamp
-0.90%
-1,164
-0.04%
4.29%
Current price: $369.66 415.85% Reported price*: $71.66
2022 Q1 (1 result)
Ronald Muhlenkamp
+0.40%
+520
+0.02%
3.91%
Current price: $369.66 324.41% Reported price*: $87.10
2021 Q4 (1 result)
Ronald Muhlenkamp
-0.07%
-95
-0.00%
4.13%
Current price: $369.66 300.57% Reported price*: $92.28
2021 Q3 (1 result)
Ronald Muhlenkamp
-0.42%
-541
-0.02%
4.26%
Current price: $369.66 328.42% Reported price*: $86.28
2021 Q2 (1 result)
Ronald Muhlenkamp
+0.42%
+541
+0.02%
5.03%
Current price: $369.66 248.42% Reported price*: $106.10
2021 Q1 (1 result)
Ronald Muhlenkamp
-22.87%
-38,136
-1.28%
4.32%
Current price: $369.66 306.83% Reported price*: $90.86
2020 Q4 (1 result)
Ronald Muhlenkamp
+0.18%
+294
+0.01%
4.58%
Current price: $369.66 442.20% Reported price*: $68.18
2020 Q3 (1 result)
Ronald Muhlenkamp
+80.26%
+74,125
+1.62%
3.64%
Current price: $369.66 776.01% Reported price*: $42.20
2020 Q2 (1 result)
Ronald Muhlenkamp
buy
+92,351
+2.22%
2.22%
Current price: $369.66 723.80% Reported price*: $44.87
27 of 27

Shares, change to shares, sold shares - split-adjusted.

Reported price - this doesn't represent the actual buy or sell price.
It is the split-adjusted price of the security as of the last day of the reported period.

Value or Price - If the security is completely sold out, we show the reported value (or price) prior to the actual period.