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Security record · archived quarter

MTZ

MasTec, Inc. · Industrials · Engineering & Construction

250.27 +1.4% mkt cap $20.10B quote delayed (FMP) · as of Aug 26 19:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
152Tracked holders
0Δ holders
38.87MShares held
$16.18BReported value
+9New positions
−8Exits
Stable Conviction score 45/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow +3.6% · net new positions +0.7%formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 152 0 38.87M $16.18B +9 −8
Q1 2026 154 +7 37.61M $12.07B +11 −5
Q4 2025 146 +4 41.17M $8.95B +5
Q3 2025 18 -2 22.22M $4.73B +1 −4
Q2 2025 18 +2 21.57M $3.68B +2
Q1 2025 13 -1 6.17M $714.27M −1
Q4 2024 14 +2 7.54M $1.03B +2
Q3 2024 11 0 5.95M $732.85M
Q2 2024 11 5.85M $625.58M
Holder count
Who holds it · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
2 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
3 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
4 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
5 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
6 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
7 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
8 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
9 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
10 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
11 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
12 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
13 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
14 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
15 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
16 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
17 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
18 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
19 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
20 BlackRock (passive) 7.64M +4.5% $3.18B 0.0% ▲ Add 5 SEC ↗
21 Vanguard Capital Management Llc 2.83M +1.0% $1.18B 0.0% ▲ Add 2 SEC ↗
22 State Street Global Advisors (passive) 2.24M +20.1% $933.96M 0.0% ▲ Add 7 SEC ↗
23 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
24 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
25 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
26 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
27 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
28 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
29 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
30 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
31 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
32 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
33 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
34 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
35 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
36 JPMorgan Chase 1.32M +552.5% $566.83M 0.0% ▲ Add 4 SEC ↗
37 Lone Pine Capital 1.35M -12.1% $559.67M 3.4% ▼ Trim 2 SEC ↗
38 Bank Of America Corp /De/ 1.34M +0.4% $555.82M 0.0% ▲ Add 3 SEC ↗
39 Bank Of America Corp /De/ 1.34M +0.4% $555.82M 0.0% ▲ Add 3 SEC ↗
40 Bank Of America Corp /De/ 1.34M +0.4% $555.82M 0.0% ▲ Add 3 SEC ↗
41 Bank Of America Corp /De/ 1.34M +0.4% $555.82M 0.0% ▲ Add 3 SEC ↗
42 Bank Of America Corp /De/ 1.34M +0.4% $555.82M 0.0% ▲ Add 3 SEC ↗
43 Bank Of America Corp /De/ 1.34M +0.4% $555.82M 0.0% ▲ Add 3 SEC ↗
44 First Trust Advisors Lp 1.33M -5.9% $552.69M 0.3% ▼ Trim 3 SEC ↗
45 Geode Capital Management (passive) 1.28M -6.8% $530.43M 0.0% ▼ Trim 9 SEC ↗
46 Geode Capital Management (passive) 1.28M -6.8% $530.43M 0.0% ▼ Trim 9 SEC ↗
47 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
48 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
49 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
50 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
51 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
52 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
53 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
54 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
55 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
56 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
57 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
58 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
59 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
60 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
61 Invesco Ltd. 1.24M +1.3% $516.49M 0.0% ▲ Add 3 SEC ↗
62 Victory Capital Management Inc 1.21M -24.0% $503.47M 0.3% ▼ Trim 3 SEC ↗
63 Fidelity (FMR) 890.10K +41.8% $370.34M 0.0% ▲ Add 5 SEC ↗
64 Fidelity (FMR) 890.10K +41.8% $370.34M 0.0% ▲ Add 5 SEC ↗
65 Fidelity (FMR) 890.10K +41.8% $370.34M 0.0% ▲ Add 5 SEC ↗
66 Fidelity (FMR) 890.10K +41.8% $370.34M 0.0% ▲ Add 5 SEC ↗
67 Ameriprise Financial Inc 734.98K +217.1% $305.77M 0.1% ▲ Add 3 SEC ↗
68 Ameriprise Financial Inc 734.98K +217.1% $305.77M 0.1% ▲ Add 3 SEC ↗
69 Ameriprise Financial Inc 734.98K +217.1% $305.77M 0.1% ▲ Add 3 SEC ↗
70 Ameriprise Financial Inc 734.98K +217.1% $305.77M 0.1% ▲ Add 3 SEC ↗
71 Ameriprise Financial Inc 734.98K +217.1% $305.77M 0.1% ▲ Add 3 SEC ↗
72 Ameriprise Financial Inc 734.98K +217.1% $305.77M 0.1% ▲ Add 3 SEC ↗
73 Ameriprise Financial Inc 734.98K +217.1% $305.77M 0.1% ▲ Add 3 SEC ↗
74 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
75 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
76 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
77 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
78 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
79 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
80 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
81 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
82 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
83 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
84 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
85 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
86 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
87 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
88 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
89 Bank of New York Mellon Corp 674.29K +2.8% $280.54M 0.0% ▲ Add 3 SEC ↗
90 MIRAE ASSET GLOBAL ETFS HOLDINGS… 660.44K +9.2% $274.79M 0.3% ▲ Add 3 SEC ↗
91 MIRAE ASSET GLOBAL ETFS HOLDINGS… 660.44K +9.2% $274.79M 0.3% ▲ Add 3 SEC ↗
92 MIRAE ASSET GLOBAL ETFS HOLDINGS… 660.44K +9.2% $274.79M 0.3% ▲ Add 3 SEC ↗
93 AQR Capital Management 657.60K -0.4% $273.60M 0.1% ▼ Trim 9 SEC ↗
94 AQR Capital Management 657.60K -0.4% $273.60M 0.1% ▼ Trim 9 SEC ↗
95 AQR Capital Management 657.60K -0.4% $273.60M 0.1% ▼ Trim 9 SEC ↗
96 AQR Capital Management 657.60K -0.4% $273.60M 0.1% ▼ Trim 9 SEC ↗
97 AQR Capital Management 657.60K -0.4% $273.60M 0.1% ▼ Trim 9 SEC ↗
98 AQR Capital Management 657.60K -0.4% $273.60M 0.1% ▼ Trim 9 SEC ↗
99 AQR Capital Management 657.60K -0.4% $273.60M 0.1% ▼ Trim 9 SEC ↗
100 AQR Capital Management 657.60K -0.4% $273.60M 0.1% ▼ Trim 9 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

Citadel Advisors $90.02M was 0.1%
Holocene Advisors, LP $32.73M was 0.1%
1832 Asset Management L.P. $19.63M was 0.0%
Mariner, LLC $5.97M was 0.0%
Walleye Trading LLC $3.57M was 0.1%
Brown Advisory Inc $316,379 was 0.0%
Marshall Wace $274,123 was 0.0%
Optiver Holding B.V. $177,922 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 793 holders, 57.78M shares, $18.15B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Beneficial ownership
Aug 13 SC 13D/A — MAS JOSE RAMON

7.7% of class · View original SEC filing ↗

Aug 13 SC 13D/A — MAS JORGE

14.8% of class · View original SEC filing ↗

Jul 29 SC 13G/A — BlackRock, Inc.

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2026 · Methodology · Get this via the API