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, 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
V-Square Quantitative Management LLC92$38.3K0.00%+16+21.1%Added
Balyasny Asset Management LLC91$37.9K0.00%−128,537−99.9%Reduced
Towarzystwo Funduszy Inwestycyjnych Pzu SA90$37.4K0.01%+90New
Hollencrest Capital Management82$34.1K0.00%−2,819−97.2%Reduced
Peregrine Capital Management LLC80$33.3K0.00%00.0%Unchanged
Fedenia Advisers LLC80$33.3K0.01%+80New
Westside Investment Management, Inc.80$33.3K0.00%+45+128.6%Added
Quarry LP79$32.9K0.01%−990−92.6%Reduced
Core Alternative Capital79$32.9K0.01%00.0%Unchanged
Bell Investment Advisors, Inc77$32.0K0.00%+1+1.3%Added
Bryn Mawr Trust Co76$31.6K0.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.76$31.6K0.00%+54+245.5%Added
Ameliora Wealth Management Ltd.145$31.5K0.01%00.0%Unchanged
Key Financial Inc75$31.2K0.01%00.0%Unchanged
JFS Wealth Advisors, LLC71$29.5K0.00%+2+2.9%Added
Bogart Wealth, LLC59$24.5K0.00%+4+7.3%Added
Manchester Capital Management LLC58$24.1K0.00%00.0%Unchanged
Institute for Wealth Management, LLC.55$22.9K0.00%+55New
First Horizon Corp54$22.5K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc53$22.1K0.00%−1−1.9%Reduced
Strategic Wealth Partners, Ltd.51$21.2K0.00%+14+37.8%Added
Ritter Daniher Financial Advisory LLC50$20.8K0.00%−100−66.7%Reduced
LifeSteps Financial, Inc.50$20.8K0.01%+50New
Private Trust Co NA48$20.0K0.00%+23+92.0%Added
Vision Retirement, LLC47$19.6K0.00%+47New
Kentucky Trust Co45$18.7K0.01%00.0%Unchanged
Persistent Asset Partners Ltd44$18.3K0.01%+44New
Colonial Trust Co42$17.5K0.00%00.0%Unchanged
Cedar Mountain Advisors, LLC41$17.1K0.00%00.0%Unchanged
Strengthening Families & Communities, LLC39$16.2K0.00%+3+8.3%Added
Eastern Bank38$15.8K0.00%00.0%Unchanged
Allied Private Wealth LLC40$15.3K0.01%+40New
Atlas Capital Advisors LLC35$14.6K0.00%+35New
Central Trust Co34$14.1K0.00%00.0%Unchanged
ZRC Wealth Management, LLC34$14.1K0.00%+21+161.5%Added
Chilton Capital Management LLC33$13.7K0.00%00.0%Unchanged
Trust Co of Toledo NA32$13.3K0.00%00.0%Unchanged
Private Wealth Management Group, LLC32$13.3K0.00%00.0%Unchanged
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
Colonial Trust Advisors30$12.5K0.00%+30New
Atlantic Trust, LLC28$11.7K0.00%00.0%Unchanged
Sachetta, LLC27$11.2K0.01%+2+8.0%Added
Byrne Asset Management LLC25$10.4K0.01%00.0%Unchanged
Nvest Wealth Strategies, Inc.25$10.4K0.01%00.0%Unchanged
Whittier Trust Co of Nevada Inc28$10.0K0.00%+28New
SJS Investment Consulting Inc.24$9.99K0.00%+5+26.3%Added
Toth Financial Advisory Corp24$9.99K0.00%00.0%Unchanged
WPG Advisers, LLC21$8.74K0.01%−1−4.5%Reduced
Ares Financial Consulting, LLC21$8.74K0.01%00.0%Unchanged
Rossby Financial, LCC20$8.32K0.00%−344−94.5%Reduced
DiNuzzo Private Wealth, Inc.19$7.91K0.00%00.0%Unchanged
Raffa Wealth Management, LLC19$7.91K0.00%+2+11.8%Added
Creative Capital Management Investments LLC18$7.49K0.00%+18New
Dogwood Wealth Management LLC18$7.49K0.00%+18New
Bay Harbor Wealth Management, LLC17$7.07K0.00%+2+13.3%Added
TD Private Client Wealth LLC16$6.66K0.00%+7+77.8%Added
Ameriflex Group, Inc.16$6.66K0.00%+16New
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
Clal Insurance Enterprises Holdings Ltd14$6.00K0.00%+14New
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
HFM Investment Advisors, LLC12$4.99K0.00%+6+100.0%Added
Bare Financial Services, Inc12$4.99K0.00%+1+9.1%Added
Rialto Wealth Management, LLC11$4.58K0.00%+2+22.2%Added
Creative Financial Designs Inc10$4.16K0.00%00.0%Unchanged
Anchor Investment Management, LLC10$4.16K0.00%00.0%Unchanged
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
Planning Strategies Inc.8$3.33K0.00%+8New
Cornerstone Planning Group LLC9$3.22K0.00%−2−18.2%Reduced
Marquette Asset Management, LLC7$2.91K0.00%00.0%Unchanged
Retirement Wealth Solutions LLC7$2.91K0.00%+7New
Dunhill Financial, LLC6$2.60K0.00%00.0%Unchanged
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
Pittenger & Anderson Inc5$2.08K0.00%+5New
Sawyer & Company, Inc5$2.08K0.00%00.0%Unchanged
Avion Wealth5$2.00K0.00%+3+150.0%Added
Principia Wealth Advisory, LLC4$1.66K0.00%+3+300.0%Added
Davis Capital Management4$1.66K0.00%+4New
Montag A & Associates Inc4$1.54K0.00%+4New
Financial Consulate, Inc3$1.25K0.00%+1+50.0%Added
UMA Financial Services, Inc.3$1.25K0.00%+3New
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
Navigoe, LLC4$1.00K0.00%+4New
Seneschal Advisors, LLC2$8330.00%00.0%Unchanged
3 Factor Indexing, LLC2$8330.00%00.0%Unchanged
Rakuten Securities, Inc.2$8320.00%−128−98.5%Reduced
DecisionPoint Financial, LLC2$7820.00%+2New
TFC Financial Management1$4170.00%00.0%Unchanged