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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, Q2 2026

Institutional positions in Mastec Inc as of Jun 30, 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
911
+110 vs. Q1 2026
Shares held
59.4M
+1.49M (+2.6%) vs. Q1 2026
Total value
$24.7B
+$6.10B (+32.8%) vs. Q1 2026
New holders
185
326 more added
Sold out
75
295 more reduced

10 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 911 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 heldQ2 2026: $24.7B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q1 2026.

Institutions holding MTZ in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
NBT Bank N A1$4160.00%00.0%Unchanged
NVWM, LLC1$4160.00%00.0%Unchanged
SHP Wealth Management1$4160.00%00.0%Unchanged
Grove Bank & Trust1$4160.00%+1New
Bartlett & Co. Wealth Management LLC1$4160.00%+1New
Downshift Financial, LLC1$4160.00%+1New
TFC Financial Management1$4170.00%00.0%Unchanged
MV Capital Management, Inc.1$4170.00%+1New
Quaker Wealth Management, LLC1$4170.00%+1New
Maryland Capital Advisors Inc.1$4170.00%+1New
MJT & Associates Financial Advisory Group, Inc.1$4170.00%+1New
DecisionPoint Financial, LLC2$7820.00%+2New
Rakuten Securities, Inc.2$8320.00%−128−98.5%Reduced
Seneschal Advisors, LLC2$8330.00%00.0%Unchanged
3 Factor Indexing, LLC2$8330.00%00.0%Unchanged
Navigoe, LLC4$1.00K0.00%+4New
Bruce G. Allen Investments, LLC3$1.25K0.00%00.0%Unchanged
1015 Capital Partners, LLC3$1.25K0.00%00.0%Unchanged
Mascoma Wealth Management LLC3$1.25K0.00%+3New
Financial Consulate, Inc3$1.25K0.00%+1+50.0%Added
UMA Financial Services, Inc.3$1.25K0.00%+3New
Montag A & Associates Inc4$1.54K0.00%+4New
Principia Wealth Advisory, LLC4$1.66K0.00%+3+300.0%Added
Davis Capital Management4$1.66K0.00%+4New
Avion Wealth5$2.00K0.00%+3+150.0%Added
Sawyer & Company, Inc5$2.08K0.00%00.0%Unchanged
Pittenger & Anderson Inc5$2.08K0.00%+5New
NBC Securities, Inc.6$2.50K0.00%−8−57.1%Reduced
Activest Wealth Management6$2.50K0.00%00.0%Unchanged
Hughes Financial Services, LLC6$2.50K0.00%+4+200.0%Added
Signature Equity Partners, LLC6$2.50K0.00%+4+200.0%Added
Dunhill Financial, LLC6$2.60K0.00%00.0%Unchanged
Marquette Asset Management, LLC7$2.91K0.00%00.0%Unchanged
Retirement Wealth Solutions LLC7$2.91K0.00%+7New
Cornerstone Planning Group LLC9$3.22K0.00%−2−18.2%Reduced
Planning Strategies Inc.8$3.33K0.00%+8New
Investors Portfolio Services LLC9$3.75K0.00%00.0%Unchanged
Cromwell Holdings LLC9$3.75K0.00%00.0%Unchanged
Brown Brothers Harriman & Co9$3.75K0.00%+9New
Creative Financial Designs Inc10$4.16K0.00%00.0%Unchanged
Anchor Investment Management, LLC10$4.16K0.00%00.0%Unchanged
Rialto Wealth Management, LLC11$4.58K0.00%+2+22.2%Added
Bare Financial Services, Inc12$4.99K0.00%+1+9.1%Added
HFM Investment Advisors, LLC12$4.99K0.00%+6+100.0%Added
Financial Management Professionals, Inc.13$5.41K0.00%00.0%Unchanged
Highline Wealth Partners LLC13$5.41K0.00%00.0%Unchanged
Cornerstone Financial Management LLC13$5.41K0.00%+4+44.4%Added
Clal Insurance Enterprises Holdings Ltd14$6.00K0.00%+14New
Accent Capital Management, LLC15$6.24K0.00%−79−84.0%Reduced
Aventura Private Wealth, LLC15$6.24K0.00%−10−40.0%Reduced
Silver Grove Financial Group, Inc.15$6.24K0.00%+15New
TD Private Client Wealth LLC16$6.66K0.00%+7+77.8%Added
Ameriflex Group, Inc.16$6.66K0.00%+16New
Bay Harbor Wealth Management, LLC17$7.07K0.00%+2+13.3%Added
Creative Capital Management Investments LLC18$7.49K0.00%+18New
Dogwood Wealth Management LLC18$7.49K0.00%+18New
Raffa Wealth Management, LLC19$7.91K0.00%+2+11.8%Added
DiNuzzo Private Wealth, Inc.19$7.91K0.00%00.0%Unchanged
Rossby Financial, LCC20$8.32K0.00%−344−94.5%Reduced
WPG Advisers, LLC21$8.74K0.01%−1−4.5%Reduced
Ares Financial Consulting, LLC21$8.74K0.01%00.0%Unchanged
Toth Financial Advisory Corp24$9.99K0.00%00.0%Unchanged
SJS Investment Consulting Inc.24$9.99K0.00%+5+26.3%Added
Whittier Trust Co of Nevada Inc28$10.0K0.00%+28New
Byrne Asset Management LLC25$10.4K0.01%00.0%Unchanged
Nvest Wealth Strategies, Inc.25$10.4K0.01%00.0%Unchanged
Sachetta, LLC27$11.2K0.01%+2+8.0%Added
Atlantic Trust, LLC28$11.7K0.00%00.0%Unchanged
Colonial Trust Advisors30$12.5K0.00%+30New
Boreal Capital Management LLC31$12.9K0.01%00.0%Unchanged
United Financial Planning Group LLC31$12.9K0.01%00.0%Unchanged
Markowski Investments31$12.9K0.00%+31New
Trust Co of Toledo NA32$13.3K0.00%00.0%Unchanged
Private Wealth Management Group, LLC32$13.3K0.00%00.0%Unchanged
Chilton Capital Management LLC33$13.7K0.00%00.0%Unchanged
Central Trust Co34$14.1K0.00%00.0%Unchanged
ZRC Wealth Management, LLC34$14.1K0.00%+21+161.5%Added
Atlas Capital Advisors LLC35$14.6K0.00%+35New
Allied Private Wealth LLC40$15.3K0.01%+40New
Eastern Bank38$15.8K0.00%00.0%Unchanged
Strengthening Families & Communities, LLC39$16.2K0.00%+3+8.3%Added
Cedar Mountain Advisors, LLC41$17.1K0.00%00.0%Unchanged
Colonial Trust Co42$17.5K0.00%00.0%Unchanged
Persistent Asset Partners Ltd44$18.3K0.01%+44New
Kentucky Trust Co45$18.7K0.01%00.0%Unchanged
Vision Retirement, LLC47$19.6K0.00%+47New
Private Trust Co NA48$20.0K0.00%+23+92.0%Added
Ritter Daniher Financial Advisory LLC50$20.8K0.00%−100−66.7%Reduced
LifeSteps Financial, Inc.50$20.8K0.01%+50New
Strategic Wealth Partners, Ltd.51$21.2K0.00%+14+37.8%Added
Farmers & Merchants Investments Inc53$22.1K0.00%−1−1.9%Reduced
First Horizon Corp54$22.5K0.00%00.0%Unchanged
Institute for Wealth Management, LLC.55$22.9K0.00%+55New
Manchester Capital Management LLC58$24.1K0.00%00.0%Unchanged
Bogart Wealth, LLC59$24.5K0.00%+4+7.3%Added
JFS Wealth Advisors, LLC71$29.5K0.00%+2+2.9%Added
Key Financial Inc75$31.2K0.01%00.0%Unchanged
Ameliora Wealth Management Ltd.145$31.5K0.01%00.0%Unchanged
Transamerica Financial Advisors, Inc.76$31.6K0.00%+54+245.5%Added
Bryn Mawr Trust Co76$31.6K0.00%00.0%Unchanged