Fishy Whales
Security

MTZ · Mastec Inc

40 institutional holder(s) · 4 congressional trade(s)
← Funds
Mastec Inc is a company in the Industrials sector, identified from SEC filings. It is held by 14 of 26 tracked funds in the latest quarter and traded by 1 member of Congress in disclosed filings.

Institutional holders

13F
FundValueShares
Vanguard Group $1.19B5,469,704
BlackRock $1.15B3,586,398
BlackRock $674.5M2,096,420
State Street $601.6M1,869,788
Lone Pine Capital $492.6M1,531,050
Bank of America $405.9M1,261,473
Geode Capital Management $366.6M1,139,217
Fidelity $182.6M567,596
Millennium Management $161.9M503,199
BlackRock $123.8M384,797
Third Point $103M320,000
Coatue Management $91M282,814
BlackRock $82.8M257,306
Vanguard Group $81.8M376,473
Geode Capital Management $74.9M232,692
Citadel Advisors $73.1M227,125
Morgan Stanley $70.4M218,701
Coatue Management $68.2M211,992
BlackRock $58.7M182,308
Morgan Stanley $57.2M177,749
BlackRock $53.3M165,568
BlackRock $46M142,884
BlackRock $38.4M119,302
Two Sigma Investments $32.3M100,326
Coatue Management $28.6M88,791
Citadel Advisors $26.7M83,100
Morgan Stanley $25.5M79,382
BlackRock $24.8M77,142
Morgan Stanley $22.3M69,320
BlackRock $21.5M66,749
Citadel Advisors $18.5M57,400
Fidelity $17.5M54,535
Citadel Advisors $16.9M52,653
BlackRock $14.6M45,324
BlackRock $13.7M42,436
Bridgewater Associates $12.9M40,138
BlackRock $11.1M34,356
BlackRock $10.7M33,133
Vanguard Group $10.1M46,403
Bank of America $8.4M25,998

Congressional trades

STOCK Act
MemberTypeDate
Markwayne Mullin sell 02/04/2026
Markwayne Mullin sell 12/18/2025
Markwayne Mullin buy 02/03/2025
Markwayne Mullin buy 01/02/2025