v3.26.1
SCHEDULE H, LINE 4i- SCHEDULE OF ASSETS (HELD AT END OF YEAR)
 12 Months Ended
Dec. 31, 2025
EBP 002  
EBP, Schedule of Asset Held for Investment [Line Items]  
SCHEDULE H, LINE 4i- SCHEDULE OF ASSETS (HELD AT END OF YEAR)
The MasTec, Inc.
401(k) Retirement Plan
Employer Identification Number 65-0829355
Plan # 002
SCHEDULE H, LINE 4i-
SCHEDULE OF ASSETS (HELD AT END OF YEAR)
December 31, 2025
(a)(b)(c)(d)(e)
Identity of Issuer, Borrower, Lessor or Similar PartyDescription of Investment Including
Maturity Date, Rate of Interest, Par
or Maturity Value		Cost **Current Value
*Investment Contract #115790 with Charles Schwab Trust Bank :
BlackRock Total Return Fund KMutual Fund$107,513,900 
MFS Growth Fund R6
Mutual Fund
66,942,522 
iShares S&P 500 Index Fund Class KMutual Fund60,126,191 
Columbia Dividend Income Institutional 3 ClassMutual Fund51,930,532 
Baird Short Term BondMutual Fund51,525,089 
BlackRock T-Fund Premier ClassMoney Market42,026,459 
Janus Henderson Enterprise Fund Class NMutual Fund28,221,790 
BlackRock Inflation Protected Fund Class KMutual Fund28,109,311 
Causeway International ValueMutual Fund26,278,599 
MFS International Growth R6Mutual Fund25,464,636 
Fidelity Low Priced Stock Fund K6Mutual Fund25,457,204 
Seafarer Overseas GrowthMutual Fund17,940,693 
Undiscovered Managers Behavioral Value Fund Class R6Mutual Fund17,616,250 
PGIM High Yiel Fund R6Mutual Fund17,603,376 
MFS International Diversification Fund R6Mutual Fund16,120,590 
Invesco Discovery Fund Class R6Mutual Fund12,216,505 
PIMCO Commodity Real Return Strategy Fund Class IMutual Fund11,007,392 
T Rowe Price Dividend Growth FundMutual Fund9,104,698 
Principal Real Estate SEC R6Mutual Fund9,045,920 
Vanguard Total International Stock Index Fund Admiral ClassMutual Fund8,935,777 
Vanguard Total Bond Market Index Fund Admiral ClassMutual Fund6,503,762 
Fidelity Freedom Index Target Date Series
Mutual Fund4,674,035 
PIMCO Foreign Bond Fund (US Dollar-Hedged) Institutional ClassMutual Fund1,695,094 
Vanguard Treasury Money Market FundMutual Fund600 
*MasTec, Inc. StockCommon stock$241,764,546 
*Notes Receivable from participants
Interest rates range from  4.25% to 9.50%
$0 $20,260,287 
Total$908,085,758 
*    Represents a party-in-interest as defined by ERISA
**     The cost of participant-directed investments is not required to be disclosed.