MTZ
Common Stock

Mastec INC

As of Jun 30, 2026 CUSIP 576323109
Institutional Holders
861
Total Held Value
$24.24B
Total Exact Shares
59.47M
Largest Holder
BlackRock
7.64M shares • $3.18B
Reported Holders861
Filings dated Jun 30, 2026 unless marked
# Trend (4Q)
1 BlackRock $3.18B <0.1% +4.5% 7.64M Jun 30, 2026
2 Peconic Partners $1.53B 19.0% +2.8% 3.68M Jun 30, 2026
3 Vanguard Capital Management $1.18B <0.1% +1.0% 2.83M Jun 30, 2026
4 Vanguard Portfolio Management $1.17B 0.1% +1.5% 2.81M Jun 30, 2026
5 State Street $934.0M <0.1% +20.1% 2.24M Jun 30, 2026
6 Hill City Capital $896.6M 20.9% — 2.15M Jun 30, 2026
7 JPMorgan Chase $566.8M <0.1% +552.5% 1.32M Jun 30, 2026
8 Lone Pine Capital $559.7M 3.4% -12.1% 1.35M Jun 30, 2026
9 Bank of America $555.8M <0.1% +0.4% 1.34M Jun 30, 2026
10 First Trust Advisors $552.7M 0.3% -5.9% 1.33M Jun 30, 2026
11 Geode Capital Management $530.4M <0.1% -6.8% 1.28M Jun 30, 2026
12 Invesco $516.5M <0.1% — 1.24M — Jun 30, 2026
13 Victory Capital Management $503.5M 0.3% -24.0% 1.21M Jun 30, 2026
14 Hood River Capital Management $488.4M 3.5% -9.4% 1.17M Jun 30, 2026
15 Fidelity (FMR) $370.3M <0.1% +41.8% 890.1K Jun 30, 2026
16 Ameriprise Financial $305.8M 0.1% +217.1% 735.0K Jun 30, 2026
17 Bank of New York Mellon $280.5M <0.1% +2.8% 674.3K Jun 30, 2026
18 Mirae Asset Global Etfs Holdings $274.8M 0.3% +9.2% 660.4K Jun 30, 2026
19 AQR Capital Management $273.6M 0.1% -0.4% 657.6K Jun 30, 2026
20 Morgan Stanley $271.9M <0.1% +11.4% 653.5K Jun 30, 2026
Exited in Latest Filing124
# Fund Prior Value Prior % of Fund Change Prior Shares Trend (4Q) Exit Report
Each exit is an immediately prior-filing position absent from that manager's latest published filing. Prior values are shown for context and are not included in current totals.