Skip to main content
Livermore
Livermore
ZHEN

Mastec Inc

MTZ
Exchange
NYSE
Industry
Water, Sewer, Pipeline, Comm & Power Line Construction
SEC CIK
0000015615

No open-market purchases or sales by Mastec Inc insiders were filed in the last 90 days; 911 institutions reported holding it in 13F filings for Q2 2026, worth $24.7B in total; 4 superinvestors hold it, including Lone Pine Capital and Coatue Management.

13F holders, Q1 2026

Institutional positions in Mastec Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
811
+122 vs. Q4 2025
Shares held
58.0M
+5.36M (+10.2%) vs. Q4 2025
Total value
$18.6B
+$7.19B (+62.7%) vs. Q4 2025
New holders
184
256 more added
Sold out
62
263 more reduced

6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MTZ on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 811 institutions
Q1 2021: 392 institutionsQ2 2021: 415 institutionsQ3 2021: 366 institutionsQ4 2021: 388 institutionsQ1 2022: 388 institutionsQ2 2022: 356 institutionsQ3 2022: 338 institutionsQ4 2022: 386 institutionsQ1 2023: 394 institutionsQ2 2023: 393 institutionsQ3 2023: 382 institutionsQ4 2023: 368 institutionsQ1 2024: 382 institutionsQ2 2024: 430 institutionsQ3 2024: 470 institutionsQ4 2024: 532 institutionsQ1 2025: 523 institutionsQ2 2025: 594 institutionsQ3 2025: 652 institutionsQ4 2025: 695 institutionsQ1 2026: 811 institutionsQ2 2026: 911 institutions
Value heldQ1 2026: $18.6B
Q1 2021: $5.59BQ2 2021: $5.77BQ3 2021: $4.53BQ4 2021: $4.77BQ1 2022: $4.70BQ2 2022: $3.91BQ3 2022: $3.53BQ4 2022: $4.97BQ1 2023: $5.49BQ2 2023: $6.85BQ3 2023: $4.11BQ4 2023: $4.66BQ1 2024: $5.51BQ2 2024: $6.35BQ3 2024: $7.09BQ4 2024: $7.83BQ1 2025: $6.56BQ2 2025: $9.50BQ3 2025: $12.2BQ4 2025: $12.8BQ1 2026: $18.6BQ2 2026: $24.7B
Institutions holding MTZ and their total value by quarter
QuarterHoldersValue
Q2 2026911$24.7B
Q1 2026811$18.6B
Q4 2025695$12.8B
Q3 2025652$12.2B
Q2 2025594$9.50B
Q1 2025523$6.56B
Q4 2024532$7.83B
Q3 2024470$7.09B
Q2 2024430$6.35B
Q1 2024382$5.51B
Q4 2023368$4.66B
Q3 2023382$4.11B
Q2 2023393$6.85B
Q1 2023394$5.49B
Q4 2022386$4.97B
Q3 2022338$3.53B
Q2 2022356$3.91B
Q1 2022388$4.70B
Q4 2021388$4.77B
Q3 2021366$4.53B
Q2 2021415$5.77B
Q1 2021392$5.59B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q4 2025.

Institutions holding MTZ in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Avion Wealth2$00.00%00.0%Unchanged
TFC Financial Management1$3220.00%00.0%Unchanged
SHP Wealth Management1$3220.00%00.0%Unchanged
NBT Bank N A1$3220.00%+1New
NVWM, LLC1$3220.00%+1New
Principia Wealth Advisory, LLC1$3220.00%+1New
TopTier Wealth Management, LLC1$3220.00%+1New
Signature Equity Partners, LLC2$6430.00%−61−96.8%Reduced
Horizon Investments, LLC2$6430.00%+1+100.0%Added
Curio Wealth, LLC2$6430.00%+2New
Hughes Financial Services, LLC2$6430.00%+2New
Seneschal Advisors, LLC2$6440.00%+1+100.0%Added
Financial Consulate, Inc2$6440.00%+2New
Frazier Financial Advisors, LLC2$6440.00%+2New
3 Factor Indexing, LLC2$6440.00%+2New
Bruce G. Allen Investments, LLC3$9650.00%00.0%Unchanged
1015 Capital Partners, LLC3$9650.00%+1+50.0%Added
CoreCap Advisors, LLC5$1.61K0.00%−1−16.7%Reduced
Sawyer & Company, Inc5$1.61K0.00%+5New
HFM Investment Advisors, LLC6$1.93K0.00%00.0%Unchanged
Activest Wealth Management6$1.93K0.00%00.0%Unchanged
Vermillion Wealth Management, Inc.6$1.93K0.00%+6New
MCF Advisors LLC6$1.93K0.00%+6New
Dunhill Financial, LLC6$2.01K0.00%+5+500.0%Added
Marquette Asset Management, LLC7$2.25K0.00%00.0%Unchanged
Cornerstone Financial Management LLC9$2.90K0.00%00.0%Unchanged
Rialto Wealth Management, LLC9$2.90K0.00%+2+28.6%Added
Cromwell Holdings LLC9$2.90K0.00%+3+50.0%Added
TD Private Client Wealth LLC9$2.90K0.00%+4+80.0%Added
Anchor Investment Management, LLC10$3.22K0.00%00.0%Unchanged
Creative Financial Designs Inc10$3.22K0.00%+4+66.7%Added
Bare Financial Services, Inc11$3.54K0.00%+4+57.1%Added
Investors Portfolio Services LLC9$3.78K0.00%00.0%Unchanged
Financial Management Professionals, Inc.13$4.18K0.00%00.0%Unchanged
ZRC Wealth Management, LLC13$4.18K0.00%00.0%Unchanged
Highline Wealth Partners LLC13$4.18K0.00%00.0%Unchanged
NBC Securities, Inc.14$4.50K0.00%−3−17.6%Reduced
Wolff Wiese Magana LLC14$4.50K0.00%+14New
Cornerstone Planning Group LLC11$4.81K0.00%+7+175.0%Added
Bay Harbor Wealth Management, LLC15$4.83K0.00%+6+66.7%Added
Raffa Wealth Management, LLC17$5.47K0.00%+2+13.3%Added
DiNuzzo Private Wealth, Inc.19$6.11K0.00%00.0%Unchanged
SJS Investment Consulting Inc.19$6.11K0.00%+5+35.7%Added
Ancora Advisors, LLC20$6.43K0.00%+20New
Ares Financial Consulting, LLC21$7.01K0.01%00.0%Unchanged
WPG Advisers, LLC22$7.08K0.01%00.0%Unchanged
Transamerica Financial Advisors, Inc.22$7.08K0.00%+7+46.7%Added
Toth Financial Advisory Corp24$7.72K0.00%00.0%Unchanged
Byrne Asset Management LLC25$8.04K0.00%−5−16.7%Reduced
Nvest Wealth Strategies, Inc.25$8.04K0.01%00.0%Unchanged
Private Trust Co NA25$8.04K0.00%00.0%Unchanged
Sachetta, LLC25$8.04K0.00%+6+31.6%Added
Aventura Private Wealth, LLC25$8.04K0.00%+25New
Atlantic Trust, LLC28$9.01K0.00%00.0%Unchanged
Boreal Capital Management LLC31$9.97K0.01%00.0%Unchanged
United Financial Planning Group LLC31$9.97K0.01%+30+3,000.0%Added
Trust Co of Toledo NA32$10.3K0.00%00.0%Unchanged
Private Wealth Management Group, LLC32$10.3K0.00%00.0%Unchanged
Meeder Asset Management Inc33$10.6K0.00%−25−43.1%Reduced
Chilton Capital Management LLC33$10.6K0.00%+33New
Central Trust Co34$10.9K0.00%00.0%Unchanged
Intentional Wealth Strategies, LLC35$11.3K0.01%+35New
Harbor Investment Advisory, LLC36$11.6K0.00%−70−66.0%Reduced
Strengthening Families & Communities, LLC36$11.6K0.00%+36New
Westside Investment Management, Inc.35$11.8K0.00%+35New
Strategic Wealth Partners, Ltd.37$11.9K0.00%00.0%Unchanged
Twin Peaks Wealth Advisors, LLC37$11.9K0.00%+37New
Eastern Bank38$12.2K0.00%00.0%Unchanged
Armstrong Advisory Group, Inc40$12.9K0.00%00.0%Unchanged
Cedar Mountain Advisors, LLC41$13.2K0.00%+41New
Colonial Trust Co42$13.5K0.00%00.0%Unchanged
Kentucky Trust Co45$14.5K0.01%00.0%Unchanged
IFG Advisory, LLC48$15.4K0.04%+48New
First Horizon Corp54$17.4K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc54$17.4K0.00%+1+1.9%Added
Bogart Wealth, LLC55$17.7K0.00%+2+3.8%Added
Manchester Capital Management LLC58$18.7K0.00%00.0%Unchanged
LRI Investments, LLC61$19.6K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC69$22.2K0.00%+5+7.8%Added
Fortitude Family Office, LLC71$22.8K0.01%+47+195.8%Added
Key Financial Inc75$24.1K0.00%00.0%Unchanged
Bryn Mawr Trust Co76$24.5K0.00%00.0%Unchanged
V-Square Quantitative Management LLC76$24.5K0.00%+76New
Bell Investment Advisors, Inc76$24.5K0.00%00.0%Unchanged
Core Alternative Capital79$25.4K0.01%−25−24.0%Reduced
Peregrine Capital Management LLC80$25.7K0.00%−70−46.7%Reduced
Parkside Financial Bank & Trust80$25.7K0.00%−13−14.0%Reduced
Golden State Equity Partners93$29.9K0.00%+93New
Accent Capital Management, LLC94$30.2K0.01%+24+34.3%Added
Zions Bancorporation, National Association95$30.6K0.00%+25+35.7%Added
Larson Financial Group LLC96$30.9K0.00%+43+81.1%Added
Basecamp Wealth Advisors LLC97$31.2K0.01%00.0%Unchanged
Ameliora Wealth Management Ltd.145$31.5K0.01%00.0%Unchanged
Sunbelt Securities, Inc.99$31.9K0.00%00.0%Unchanged
SBI Securities Co., Ltd.100$32.2K0.00%+40+66.7%Added
Mather Group, LLC.100$32.2K0.00%+100New
Massmutual Trust Co FSB103$33.1K0.00%+24+30.4%Added
RWM Asset Management, LLC105$33.8K0.00%+105New
Owl Creek Wealth Partners LLC105$33.8K0.01%+105New
Leonteq Securities AG106$34.1K0.00%−277−72.3%Reduced