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, Q3 2025
Institutional positions in Mastec Inc as of Sep 30, 2025. 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
- 652
- +65 vs. Q2 2025
- Shares held
- 57.3M
- +1.49M (+2.7%) vs. Q2 2025
- Total value
- $12.2B
- +$2.69B (+28.4%) vs. Q2 2025
- New holders
- 138
- 203 more added
- Sold out
- 73
- 224 more reduced
7 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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.
| 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, Q3 2025
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Great Lakes Advisors, LLC | 68,069 | $14.5M | 0.12% | −53,006−43.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 65,027 | $14.0M | 0.02% | +31,218+92.3% | Added |
| Sterling Capital Management LLC | 65,620 | $14.0M | 0.20% | −13,429−17.0% | Reduced |
| Envestnet Asset Management Inc | 65,313 | $13.9M | 0.00% | +13,208+25.3% | Added |
| HSBC Holdings PLC | 63,279 | $13.4M | 0.01% | −30,500−32.5% | Reduced |
| Citadel Advisors LLC | 61,984 | $13.2M | 0.01% | −24,178−28.1% | Reduced |
| Swedbank AB | 61,100 | $13.0M | 0.01% | +27,200+80.2% | Added |
| Raiffeisen Bank International AG | 62,000 | $13.0M | 0.17% | −29,000−31.9% | Reduced |
| Storebrand Asset Management AS | 59,873 | $12.7M | 0.03% | 00.0% | Unchanged |
| California State Teachers Retirement System | 59,596 | $12.7M | 0.01% | −1,006−1.7% | Reduced |
| Banco Santander, S.A. | 57,877 | $12.3M | 0.11% | +8,311+16.8% | Added |
| Quantinno Capital Management LP | 57,168 | $12.2M | 0.03% | +5,690+11.1% | Added |
| Webs Creek Capital Management LP | 56,400 | $12.0M | 2.50% | +56,400 | New |
| Susquehanna International Group, LLP | 55,980 | $11.9M | 0.02% | +46,774+508.1% | Added |
| Teacher Retirement System of Texas | 55,882 | $11.9M | 0.05% | −12,935−18.8% | Reduced |
| Exchange Traded Concepts, LLC | 55,488 | $11.8M | 0.11% | +17,583+46.4% | Added |
| Interval Partners, LP | 55,053 | $11.7M | 0.25% | +44,831+438.6% | Added |
| Agf Management Ltd | 54,846 | $11.7M | 0.05% | 00.0% | Unchanged |
| Van Eck Associates Corp | 54,050 | $11.5M | 0.01% | −2,810−4.9% | Reduced |
| Frontier Capital Management Co LLC | 53,702 | $11.4M | 0.10% | −29,959−35.8% | Reduced |
| Bruni J V & Co | 52,589 | $11.2M | 1.13% | −1,521−2.8% | Reduced |
| Price T Rowe Associates Inc | 51,148 | $10.9M | 0.00% | +3,373+7.1% | Added |
| Capital Fund Management S.A. | 50,645 | $10.8M | 0.11% | +14,338+39.5% | Added |
| State Board of Administration of Florida Retirement System | 50,138 | $10.7M | 0.02% | −829−1.6% | Reduced |
| Lombard Odier Asset Management (Europe) Ltd | 49,595 | $10.6M | 0.54% | +9,069+22.4% | Added |
| Public Employees Retirement System of Ohio | 48,244 | $10.3M | 0.03% | +26,951+126.6% | Added |
| Cushing Asset Management, LP | 47,000 | $10.0M | 0.57% | +17,000+56.7% | Added |
| Cerity Partners LLC | 45,268 | $9.63M | 0.02% | +5,850+14.8% | Added |
| Intrinsic Edge Capital Management LLC | 44,257 | $9.42M | 1.43% | −15,000−25.3% | Reduced |
| Wedge Capital Management L L P | 42,903 | $9.13M | 0.15% | +3,591+9.1% | Added |
| Advisors Asset Management, Inc. | 42,602 | $9.07M | 0.15% | +2,334+5.8% | Added |
| Yaupon Capital Management LP | 42,276 | $9.00M | 0.46% | +42,276 | New |
| First Washington CORP | 42,165 | $8.97M | 2.41% | −81−0.2% | Reduced |
| Pinebridge Investments, L.P. | 42,151 | $8.97M | 0.07% | −35,380−45.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 41,907 | $8.92M | 0.06% | −148,740−78.0% | Reduced |
| Pinnbrook Capital Management LP | 40,610 | $8.64M | 1.60% | −21,136−34.2% | Reduced |
| J. Safra Sarasin Holding AG | 40,545 | $8.63M | 0.14% | 00.0% | Unchanged |
| Deutsche Bank AG | 39,999 | $8.51M | 0.00% | +10,606+36.1% | Added |
| Atika Capital Management LLC | 39,500 | $8.41M | 0.72% | −9,700−19.7% | Reduced |
| Commonwealth Equity Services, LLC | 38,974 | $8.29M | 0.01% | −6,979−15.2% | Reduced |
| MML Investors Services, LLC | 38,440 | $8.18M | 0.02% | +2,890+8.1% | Added |
| Zacks Investment Management | 36,139 | $7.69M | 0.06% | +237+0.7% | Added |
| American Century Companies Inc | 35,690 | $7.60M | 0.00% | −4,154−10.4% | Reduced |
| Cubist Systematic Strategies, LLC | 35,125 | $7.47M | 0.11% | −59,421−62.8% | Reduced |
| Great West Life Assurance Co | 35,029 | $7.34M | 0.01% | +127+0.4% | Added |
| Scopus Asset Management, L.P. | 34,192 | $7.28M | 0.17% | −59,669−63.6% | Reduced |
| Jump Financial, LLC | 33,751 | $7.18M | 0.09% | +31,574+1,450.3% | Added |
| Lighthouse Investment Partners, LLC | 32,500 | $6.92M | 0.25% | +32,500 | New |
| MetLife Investment Management | 32,146 | $6.84M | 0.03% | −1,478−4.4% | Reduced |
| Concentric Capital Strategies, LP | 32,024 | $6.82M | 0.33% | −38,433−54.5% | Reduced |
| Marco Investment Management LLC | 31,605 | $6.73M | 0.52% | +6,955+28.2% | Added |
| Dana Investment Advisors, Inc. | 31,542 | $6.71M | 0.20% | −956−2.9% | Reduced |
| New York State Common Retirement Fund | 30,929 | $6.58M | 0.01% | −9,762−24.0% | Reduced |
| Comerica Bank | 30,522 | $6.50M | 0.02% | +2,441+8.7% | Added |
| New York State Teachers Retirement System | 30,443 | $6.48M | 0.01% | −1,864−5.8% | Reduced |
| Erste Asset Management GmbH | 30,745 | $6.44M | 0.06% | +2,425+8.6% | Added |
| CWM, LLC | 30,044 | $6.39M | 0.02% | +10,835+56.4% | Added |
| Voloridge Investment Management, LLC | 30,033 | $6.39M | 0.02% | +30,033 | New |
| O'Shaughnessy Asset Management, LLC | 28,914 | $6.15M | 0.04% | +4,316+17.5% | Added |
| Amalgamated Bank | 28,782 | $6.13M | 0.04% | +63+0.2% | Added |
| Hodges Capital Management Inc. | 28,749 | $6.12M | 0.52% | +1,721+6.4% | Added |
| Voya Investment Management LLC | 28,734 | $6.11M | 0.01% | −20,342−41.4% | Reduced |
| Chase Investment Counsel Corp | 28,665 | $6.10M | 1.81% | −547−1.9% | Reduced |
| Mutual of America Capital Management LLC | 28,314 | $6.03M | 0.06% | −2,174−7.1% | Reduced |
| Treasurer of the State of North Carolina | 27,960 | $5.95M | 0.02% | −1,087−3.7% | Reduced |
| Los Angeles Capital Management LLC | 27,907 | $5.94M | 0.02% | −30,916−52.6% | Reduced |
| Janus Henderson Group PLC | 27,887 | $5.94M | 0.00% | +1,057+3.9% | Added |
| Kennedy Capital Management, Inc. | 27,876 | $5.93M | 0.13% | −6,546−19.0% | Reduced |
| Danske Bank A/S | 27,804 | $5.92M | 0.01% | +27,104+3,872.0% | Added |
| State of Tennessee, Treasury Department | 27,607 | $5.88M | 0.02% | −2,695−8.9% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 27,567 | $5.87M | 0.05% | +3,970+16.8% | Added |
| Kingswood Wealth Advisors, LLC | 27,484 | $5.85M | 0.35% | +1,391+5.3% | Added |
| First National Advisers, LLC | 27,439 | $5.84M | 0.79% | +632+2.4% | Added |
| Lisanti Capital Growth, LLC | 27,278 | $5.81M | 1.42% | +5,503+25.3% | Added |
| Man Group plc | 26,441 | $5.63M | 0.01% | +8,108+44.2% | Added |
| AXA Investment Managers S.A. | 25,923 | $5.52M | 0.01% | +25,923 | New |
| BI Asset Management Fondsmaeglerselskab A/S | 25,646 | $5.46M | 0.05% | +288+1.1% | Added |
| First National Bank of Omaha | 25,580 | $5.44M | 0.34% | −1,292−4.8% | Reduced |
| PDT Partners, LLC | 25,533 | $5.43M | 0.34% | −90.0% | Reduced |
| Advisor Group Holdings, Inc. | 29,194 | $5.36M | 0.01% | −924−3.1% | Reduced |
| Stephens Inc | 25,074 | $5.34M | 0.07% | +21,405+583.4% | Added |
| Scotia Capital Inc. | 25,049 | $5.33M | 0.02% | −136−0.5% | Reduced |
| Illinois Municipal Retirement Fund | 24,798 | $5.28M | 0.07% | −1,956−7.3% | Reduced |
| Campbell Newman Asset Management Inc | 24,254 | $5.16M | 0.38% | −1,347−5.3% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 24,237 | $5.16M | 0.01% | +7,822+47.7% | Added |
| Intech Investment Management LLC | 24,134 | $5.14M | 0.05% | −2,595−9.7% | Reduced |
| Walleye Trading LLC | 23,622 | $5.03M | 0.08% | +23,622 | New |
| AMF Pensionsforsakring AB | 23,604 | $5.02M | 0.03% | +23,604 | New |
| Stifel Financial Corp | 23,421 | $4.98M | 0.00% | +251+1.1% | Added |
| Pathstone Holdings, LLC | 23,208 | $4.94M | 0.02% | −2,094−8.3% | Reduced |
| SummitTX Capital, L.P. | 22,673 | $4.83M | 0.20% | −36,097−61.4% | Reduced |
| Prudential Financial Inc | 22,494 | $4.79M | 0.01% | −133,026−85.5% | Reduced |
| Jefferies Financial Group Inc. | 22,330 | $4.75M | 0.04% | −10,670−32.3% | Reduced |
| Citigroup Inc | 22,162 | $4.72M | 0.00% | −3,655−14.2% | Reduced |
| US Bancorp | 21,863 | $4.65M | 0.01% | −9,774−30.9% | Reduced |
| Two Sigma Advisers, LP | 21,700 | $4.62M | 0.01% | −16,100−42.6% | Reduced |
| Virginia Retirement Systems Et Al | 21,100 | $4.49M | 0.03% | −1,100−5.0% | Reduced |
| Gs Investments, Inc. | 21,056 | $4.48M | 2.22% | −11,119−34.6% | Reduced |
| State of New Jersey Common Pension Fund D | 20,586 | $4.38M | 0.02% | −1,106−5.1% | Reduced |
| ExodusPoint Capital Management, LP | 20,193 | $4.30M | 0.06% | +20,193 | New |