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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 911 | $24.7B |
| Q1 2026 | 811 | $18.6B |
| Q4 2025 | 695 | $12.8B |
| Q3 2025 | 652 | $12.2B |
| Q2 2025 | 594 | $9.50B |
| Q1 2025 | 523 | $6.56B |
| Q4 2024 | 532 | $7.83B |
| Q3 2024 | 470 | $7.09B |
| Q2 2024 | 430 | $6.35B |
| Q1 2024 | 382 | $5.51B |
| Q4 2023 | 368 | $4.66B |
| Q3 2023 | 382 | $4.11B |
| Q2 2023 | 393 | $6.85B |
| Q1 2023 | 394 | $5.49B |
| Q4 2022 | 386 | $4.97B |
| Q3 2022 | 338 | $3.53B |
| Q2 2022 | 356 | $3.91B |
| Q1 2022 | 388 | $4.70B |
| Q4 2021 | 388 | $4.77B |
| Q3 2021 | 366 | $4.53B |
| Q2 2021 | 415 | $5.77B |
| Q1 2021 | 392 | $5.59B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| First Trust Advisors LP | 1,328,399 | $552.7M | 0.33% | −83,185−5.9% | Reduced |
| Bank of America Corp | 1,335,924 | $555.8M | 0.04% | +5,858+0.4% | Added |
| Lone Pine Capital LLCSuperinvestorLone Pine Capital | 1,345,157 | $559.7M | 3.42% | −185,893−12.1% | Reduced |
| JPMorgan Chase & Co | 1,318,161 | $566.8M | 0.03% | +1,116,159+552.5% | Added |
| Hill City Capital, LP | 2,155,000 | $896.6M | 20.94% | 00.0% | Unchanged |
| State Street Corp | 2,244,771 | $934.0M | 0.03% | +374,983+20.1% | Added |
| Vanguard Portfolio Management LLC | 2,812,131 | $1.17B | 0.05% | +42,093+1.5% | Added |
| Vanguard Capital Management LLC | 2,831,849 | $1.18B | 0.03% | +27,554+1.0% | Added |
| Peconic Partners LLC | 3,678,431 | $1.53B | 20.35% | +100,000+2.8% | Added |
| BlackRock, Inc. | 7,638,487 | $3.18B | 0.05% | +328,878+4.5% | Added |
| ABS Investment Management LLC | 416 | – | – | +416 | New |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −279,778−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −101,724−100.0% | Sold out |
| 1832 Asset Management L.P. | 0 | $0 | 0.00% | −61,000−100.0% | Sold out |
| CloudAlpha Capital Management Limited/Hong Kong | 0 | $0 | 0.00% | −57,400−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −55,985−100.0% | Sold out |
| Muhlenkamp & Co Inc | 0 | $0 | 0.00% | −42,832−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −37,729−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −26,473−100.0% | Sold out |
| Bokf, NA | 0 | $0 | 0.00% | −20,001−100.0% | Sold out |
| 1060 Capital, LLC | 0 | $0 | 0.00% | −19,700−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −18,544−100.0% | Sold out |
| Farallon Capital Management, L.L.C. | 0 | $0 | 0.00% | −17,000−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −15,073−100.0% | Sold out |
| Arosa Capital Management LP | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Arete Wealth Advisors, LLC | 0 | $0 | 0.00% | −12,297−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −11,081−100.0% | Sold out |
| Freemont Management S.A. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −8,961−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −8,238−100.0% | Sold out |
| Virginia Retirement Systems Et Al | 0 | $0 | 0.00% | −7,100−100.0% | Sold out |
| Jackson Creek Investment Advisors LLC | 0 | $0 | 0.00% | −6,911−100.0% | Sold out |
| Rokos Capital Management LLP | 0 | $0 | 0.00% | −6,813−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −6,201−100.0% | Sold out |
| Ardsley Advisory Partners LP | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| SIH Partners, LLLP | 0 | $0 | 0.00% | −4,993−100.0% | Sold out |
| Wright Investors Service Inc | 0 | $0 | 0.00% | −3,648−100.0% | Sold out |
| Fieldview Capital Management, LLC | 0 | $0 | 0.00% | −2,256−100.0% | Sold out |
| EP Wealth Advisors, LLC | 0 | $0 | 0.00% | −1,943−100.0% | Sold out |
| Parkwood LLC | 0 | $0 | 0.00% | −1,844−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −1,776−100.0% | Sold out |
| Rhodes Investment Advisors Inc | 0 | $0 | 0.00% | −1,715−100.0% | Sold out |
| CTC Alternative Strategies, Ltd. | 0 | $0 | 0.00% | −1,620−100.0% | Sold out |
| SMART Wealth LLC | 0 | $0 | 0.00% | −1,544−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −1,475−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −1,337−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −1,254−100.0% | Sold out |
| Verdence Capital Advisors LLC | 0 | $0 | 0.00% | −1,223−100.0% | Sold out |
| Renasant Bank | 0 | $0 | 0.00% | −1,129−100.0% | Sold out |
| Rathbone Brothers plc | 0 | $0 | 0.00% | −1,015−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −1,013−100.0% | Sold out |
| Roman Butler Fullerton & Co | 0 | $0 | 0.00% | −925−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −987−100.0% | Sold out |
| Brown Advisory Inc | 0 | $0 | 0.00% | −983−100.0% | Sold out |
| Advisory Alpha, LLC | 0 | $0 | 0.00% | −977−100.0% | Sold out |
| Quantessence Capital LLC | 0 | $0 | 0.00% | −961−100.0% | Sold out |
| White Pine Capital LLC | 0 | $0 | 0.00% | −900−100.0% | Sold out |
| Bayforest Capital Ltd | 0 | $0 | 0.00% | −893−100.0% | Sold out |
| Retirement Planning Group | 0 | $0 | 0.00% | −880−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −852−100.0% | Sold out |
| Calamos Wealth Management LLC | 0 | $0 | 0.00% | −850−100.0% | Sold out |
| Fi3 FINANCIAL ADVISORS, LLC | 0 | $0 | 0.00% | −808−100.0% | Sold out |
| Hartree Partners, LP | 0 | $0 | 0.00% | −800−100.0% | Sold out |
| Evoke Wealth, LLC | 0 | $0 | 0.00% | −685−100.0% | Sold out |
| OmniStar Financial Group, Inc. | 0 | $0 | 0.00% | −644−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −553−100.0% | Sold out |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 0 | $0 | 0.00% | −407−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −311−100.0% | Sold out |
| Migdal Insurance & Financial Holdings Ltd. | 0 | $0 | 0.00% | −296−100.0% | Sold out |
| True Link Financial Advisors, LLC | 0 | $0 | 0.00% | −288−100.0% | Sold out |
| Wellington Grp LLC | 0 | $0 | 0.00% | −259−100.0% | Sold out |
| Princeton Global Asset Management LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −136−100.0% | Sold out |
| Wall Street Financial Group, Inc. | 0 | $0 | 0.00% | −130−100.0% | Sold out |
| RWM Asset Management, LLC | 0 | $0 | 0.00% | −105−100.0% | Sold out |
| Golden State Equity Partners | 0 | $0 | 0.00% | −93−100.0% | Sold out |
| IFG Advisory, LLC | 0 | $0 | 0.00% | −48−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −37−100.0% | Sold out |
| Intentional Wealth Strategies, LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Ancora Advisors, LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Wolff Wiese Magana LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| MCF Advisors LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Vermillion Wealth Management, Inc. | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Frazier Financial Advisors, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Curio Wealth, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| TopTier Wealth Management, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| Richard Bernstein Advisors LLC | – | – | – | – | Not filed |
| Arcadia Investment Management Corp | – | – | – | – | Not filed |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| Journey Strategic Wealth LLC | – | – | – | – | Not filed |
| First Affirmative Financial Network | – | – | – | – | Not filed |
| USA Financial Portformulas Corp | – | – | – | – | Not filed |
| Evelyn Partners Asset Management Ltd | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |