Mastec Inc (MTZ) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

78,648,000Shares Outstanding
57,975,772Shares held by institutions
$20,481,100,974Value of institutional holdings
73.72%Institutional ownership %
9.95%Shares Changed QoQ
785No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Mastec Inc (NYSE:MTZ) appears in 676 institutional 13F filings for the quarter ending December 2025.

1,312 Institutional Holders

57,975,772 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
BlackRock, Inc. 31 Mar, 2026 7,309,609 198,355 2.79% $2,351,793,580.00
BlackRock, Inc. 31 Mar, 2026 7,111,254 -632,111 -8.16% $1,545,773,337.00
VANGUARD GROUP INC 31 Mar, 2026 5,932,754 -74,438 -1.24% $1,289,602,736.00
PECONIC PARTNERS LLC 31 Mar, 2026 3,578,431 1,978,431 123.65% $1,151,324,390.00
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 2,804,295 2,804,295 0.00% $902,253,873.00
VANGUARD PORTFOLIO MANAGEMENT LLC 31 Mar, 2026 2,770,038 2,770,038 0.00% $891,232,026.00
VICTORY CAPITAL MANAGEMENT INC 31 Mar, 2026 2,637,451 1,690,896 178.64% $573,304,252.00
Hill City Capital, LP 31 Mar, 2026 2,155,000 0 0.00% $693,349,700.00
Hill City Capital, LP 31 Mar, 2026 2,155,000 0 0.00% $468,432,350.00
State Street Corp 31 Mar, 2026 1,869,788 43,366 2.37% $601,585,591.00
State Street Corp 31 Mar, 2026 1,826,422 -10,729 -0.58% $397,009,350.00
Electron Capital Partners, LLC 31 Mar, 2026 1,608,606 789,515 96.39% $349,662,686.00
PECONIC PARTNERS LLC 31 Mar, 2026 1,600,000 850,000 113.33% $347,792,000.00
VICTORY CAPITAL MANAGEMENT INC 31 Mar, 2026 1,592,523 -1,044,928 -39.62% $512,381,476.00
LONE PINE CAPITAL LLC 31 Mar, 2026 1,531,050 1,531,050 0.00% $492,600,027.00
Invesco Ltd. 31 Mar, 2026 1,520,030 -144,371 -8.67% $330,408,916.00
Hood River Capital Management LLC 31 Mar, 2026 1,483,661 -162,764 -9.89% $322,503,392.00
FIRST TRUST ADVISORS LP 31 Mar, 2026 1,411,584 100,151 7.64% $454,162,810.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 1,371,909 151,206 12.39% $441,485,062.00
Bank Of America Corp /De/ 31 Mar, 2026 1,330,066 75,100 5.98% $427,935,435.00