CORAL GABLES, FL
MASTEC INCMTZ— Latest position per institution from SEC 13F filings
15
Institutional holders
46.33M
Total shares held
16.11B
Estimated value
2.32M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
7.64M
Value
3.18B
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
5.93M
Value
1.29B
Filed
Dec 31, 2025
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
5.84M
Value
624.79M
Filed
Jun 30, 2024
PECONIC PARTNERS LLC
CIK 1050464
Shares
3.68M
Value
1.53B
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.83M
Value
1.18B
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
2.81M
Value
1.17B
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
2.24M
Value
933.96M
Filed
Jun 30, 2026
HILL CITY CAPITAL, LP
CIK 1837343
Shares
2.15M
Value
896.61M
Filed
Jun 30, 2026
LONE PINE CAPITAL LLC
CIK 1061165
Shares
1.35M
Value
559.67M
Filed
Jun 30, 2026
BANK OF AMERICA CORP /DE/
CIK 70858
Shares
1.34M
Value
555.82M
Filed
Jun 30, 2026
FIRST TRUST ADVISORS LP
CIK 1125816
Shares
1.33M
Value
552.69M
Filed
Jun 30, 2026
JPMORGAN CHASE & CO
CIK 19617
Shares
1.32M
Value
566.83M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.28M
Value
530.43M
Filed
Jun 30, 2026
INVESCO LTD.
CIK 914208
Shares
1.24M
Value
516.49M
Filed
Jun 30, 2026
VICTORY CAPITAL MANAGEMENT INC
CIK 1040188
Shares
1.21M
Value
503.47M
Filed
Jun 30, 2026
HOOD RIVER CAPITAL MANAGEMENT LLC
CIK 1578177
Shares
1.17M
Value
488.42M
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
890.10K
Value
370.34M
Filed
Jun 30, 2026
AMERIPRISE FINANCIAL INC
CIK 820027
Shares
734.98K
Value
305.77M
Filed
Jun 30, 2026
BANK OF NEW YORK MELLON CORP
CIK 1390777
Shares
674.29K
Value
280.54M
Filed
Jun 30, 2026
D1 CAPITAL PARTNERS L.P.
CIK 1747057
Shares
664.83K
Value
81.84M
Filed
Sep 30, 2024
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 7.64M | 3.18B | Jun 30, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 5.93M | 1.29B | Dec 31, 2025 |
| 3 | BLACKROCK FINANCE, INC. | 1364742 | 5.84M | 624.79M | Jun 30, 2024 |
| 4 | PECONIC PARTNERS LLC | 1050464 | 3.68M | 1.53B | Jun 30, 2026 |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.83M | 1.18B | Jun 30, 2026 |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 2.81M | 1.17B | Jun 30, 2026 |
| 7 | STATE STREET CORP | 93751 | 2.24M | 933.96M | Jun 30, 2026 |
| 8 | HILL CITY CAPITAL, LP | 1837343 | 2.15M | 896.61M | Jun 30, 2026 |
| 9 | LONE PINE CAPITAL LLC | 1061165 | 1.35M | 559.67M | Jun 30, 2026 |
| 10 | BANK OF AMERICA CORP /DE/ | 70858 | 1.34M | 555.82M | Jun 30, 2026 |
| 11 | FIRST TRUST ADVISORS LP | 1125816 | 1.33M | 552.69M | Jun 30, 2026 |
| 12 | JPMORGAN CHASE & CO | 19617 | 1.32M | 566.83M | Jun 30, 2026 |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.28M | 530.43M | Jun 30, 2026 |
| 14 | INVESCO LTD. | 914208 | 1.24M | 516.49M | Jun 30, 2026 |
| 15 | VICTORY CAPITAL MANAGEMENT INC | 1040188 | 1.21M | 503.47M | Jun 30, 2026 |
| 16 | HOOD RIVER CAPITAL MANAGEMENT LLC | 1578177 | 1.17M | 488.42M | Jun 30, 2026 |
| 17 | FMR LLC | 315066 | 890.10K | 370.34M | Jun 30, 2026 |
| 18 | AMERIPRISE FINANCIAL INC | 820027 | 734.98K | 305.77M | Jun 30, 2026 |
| 19 | BANK OF NEW YORK MELLON CORP | 1390777 | 674.29K | 280.54M | Jun 30, 2026 |
| 20 | D1 CAPITAL PARTNERS L.P. | 1747057 | 664.83K | 81.84M | Sep 30, 2024 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.