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 |
|---|---|---|---|---|---|
| Dana Investment Advisors, Inc. | 31,542 | $6.71M | 0.20% | −956−2.9% | Reduced |
| Marco Investment Management LLC | 31,605 | $6.73M | 0.52% | +6,955+28.2% | Added |
| Concentric Capital Strategies, LP | 32,024 | $6.82M | 0.33% | −38,433−54.5% | Reduced |
| MetLife Investment Management | 32,146 | $6.84M | 0.03% | −1,478−4.4% | Reduced |
| Lighthouse Investment Partners, LLC | 32,500 | $6.92M | 0.25% | +32,500 | New |
| Jump Financial, LLC | 33,751 | $7.18M | 0.09% | +31,574+1,450.3% | Added |
| Scopus Asset Management, L.P. | 34,192 | $7.28M | 0.17% | −59,669−63.6% | Reduced |
| Great West Life Assurance Co | 35,029 | $7.34M | 0.01% | +127+0.4% | Added |
| Cubist Systematic Strategies, LLC | 35,125 | $7.47M | 0.11% | −59,421−62.8% | Reduced |
| American Century Companies Inc | 35,690 | $7.60M | 0.00% | −4,154−10.4% | Reduced |
| Zacks Investment Management | 36,139 | $7.69M | 0.06% | +237+0.7% | Added |
| MML Investors Services, LLC | 38,440 | $8.18M | 0.02% | +2,890+8.1% | Added |
| Commonwealth Equity Services, LLC | 38,974 | $8.29M | 0.01% | −6,979−15.2% | Reduced |
| Atika Capital Management LLC | 39,500 | $8.41M | 0.72% | −9,700−19.7% | Reduced |
| Deutsche Bank AG | 39,999 | $8.51M | 0.00% | +10,606+36.1% | Added |
| J. Safra Sarasin Holding AG | 40,545 | $8.63M | 0.14% | 00.0% | Unchanged |
| Pinnbrook Capital Management LP | 40,610 | $8.64M | 1.60% | −21,136−34.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 41,907 | $8.92M | 0.06% | −148,740−78.0% | Reduced |
| Pinebridge Investments, L.P. | 42,151 | $8.97M | 0.07% | −35,380−45.6% | Reduced |
| First Washington CORP | 42,165 | $8.97M | 2.41% | −81−0.2% | Reduced |
| Yaupon Capital Management LP | 42,276 | $9.00M | 0.46% | +42,276 | New |
| Advisors Asset Management, Inc. | 42,602 | $9.07M | 0.15% | +2,334+5.8% | Added |
| Wedge Capital Management L L P | 42,903 | $9.13M | 0.15% | +3,591+9.1% | Added |
| Intrinsic Edge Capital Management LLC | 44,257 | $9.42M | 1.43% | −15,000−25.3% | Reduced |
| Cerity Partners LLC | 45,268 | $9.63M | 0.02% | +5,850+14.8% | Added |
| Cushing Asset Management, LP | 47,000 | $10.0M | 0.57% | +17,000+56.7% | Added |
| Public Employees Retirement System of Ohio | 48,244 | $10.3M | 0.03% | +26,951+126.6% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 49,595 | $10.6M | 0.54% | +9,069+22.4% | Added |
| State Board of Administration of Florida Retirement System | 50,138 | $10.7M | 0.02% | −829−1.6% | Reduced |
| Capital Fund Management S.A. | 50,645 | $10.8M | 0.11% | +14,338+39.5% | Added |
| Price T Rowe Associates Inc | 51,148 | $10.9M | 0.00% | +3,373+7.1% | Added |
| Bruni J V & Co | 52,589 | $11.2M | 1.13% | −1,521−2.8% | Reduced |
| Frontier Capital Management Co LLC | 53,702 | $11.4M | 0.10% | −29,959−35.8% | Reduced |
| Van Eck Associates Corp | 54,050 | $11.5M | 0.01% | −2,810−4.9% | Reduced |
| Agf Management Ltd | 54,846 | $11.7M | 0.05% | 00.0% | Unchanged |
| Interval Partners, LP | 55,053 | $11.7M | 0.25% | +44,831+438.6% | Added |
| Exchange Traded Concepts, LLC | 55,488 | $11.8M | 0.11% | +17,583+46.4% | Added |
| Teacher Retirement System of Texas | 55,882 | $11.9M | 0.05% | −12,935−18.8% | Reduced |
| Susquehanna International Group, LLP | 55,980 | $11.9M | 0.02% | +46,774+508.1% | Added |
| Webs Creek Capital Management LP | 56,400 | $12.0M | 2.50% | +56,400 | New |
| Quantinno Capital Management LP | 57,168 | $12.2M | 0.03% | +5,690+11.1% | Added |
| Banco Santander, S.A. | 57,877 | $12.3M | 0.11% | +8,311+16.8% | Added |
| California State Teachers Retirement System | 59,596 | $12.7M | 0.01% | −1,006−1.7% | Reduced |
| Storebrand Asset Management AS | 59,873 | $12.7M | 0.03% | 00.0% | Unchanged |
| Raiffeisen Bank International AG | 62,000 | $13.0M | 0.17% | −29,000−31.9% | Reduced |
| Swedbank AB | 61,100 | $13.0M | 0.01% | +27,200+80.2% | Added |
| Citadel Advisors LLC | 61,984 | $13.2M | 0.01% | −24,178−28.1% | Reduced |
| HSBC Holdings PLC | 63,279 | $13.4M | 0.01% | −30,500−32.5% | Reduced |
| Envestnet Asset Management Inc | 65,313 | $13.9M | 0.00% | +13,208+25.3% | Added |
| Sterling Capital Management LLC | 65,620 | $14.0M | 0.20% | −13,429−17.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 65,027 | $14.0M | 0.02% | +31,218+92.3% | Added |
| Great Lakes Advisors, LLC | 68,069 | $14.5M | 0.12% | −53,006−43.8% | Reduced |
| Ieq Capital, LLC | 68,708 | $14.6M | 0.04% | +21,416+45.3% | Added |
| Asset Management One Co.,Ltd. | 69,024 | $14.7M | 0.04% | +29,439+74.4% | Added |
| Candriam Luxembourg S.C.A. | 69,307 | $14.7M | 0.08% | −95,190−57.9% | Reduced |
| Verition Fund Management LLC | 70,524 | $15.0M | 0.09% | −45,537−39.2% | Reduced |
| SRS Capital Advisors, Inc. | 71,773 | $15.3M | 0.22% | +71,547+31,658.0% | Added |
| Moore Capital Management, LP | 72,393 | $15.4M | 0.31% | +21,018+40.9% | Added |
| Retirement Systems of Alabama | 74,125 | $15.8M | 0.05% | −807−1.1% | Reduced |
| Moran Wealth Management, LLC | 74,452 | $15.8M | 0.48% | −4,541−5.7% | Reduced |
| State of Wisconsin Investment Board | 81,936 | $17.4M | 0.04% | −11,589−12.4% | Reduced |
| Daiwa Securities Group Inc. | 89,547 | $19.1M | 0.06% | −3,253−3.5% | Reduced |
| 1832 Asset Management L.P. | 94,500 | $20.1M | 0.03% | +94,500 | New |
| Driehaus Capital Management LLC | 97,863 | $20.8M | 0.15% | +97,863 | New |
| Legal & General Group Plc | 99,300 | $21.1M | 0.00% | −3,937−3.8% | Reduced |
| Maplelane Capital, LLC | 101,000 | $21.5M | 1.03% | +101,000 | New |
| Hillman Co | 104,216 | $22.2M | 6.85% | +104,216 | New |
| Aventail Capital Group, LP | 104,731 | $22.3M | 1.06% | +104,731 | New |
| Muhlenkamp & Co Inc | 105,786 | $22.5M | 6.12% | −298−0.3% | Reduced |
| SEI Investments Co | 113,856 | $24.2M | 0.03% | +18,007+18.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 115,009 | $24.5M | 0.06% | −8,237−6.7% | Reduced |
| Royal Bank of Canada | 117,281 | $25.0M | 0.00% | +35,438+43.3% | Added |
| California Public Employees Retirement System | 117,390 | $25.0M | 0.01% | +6,253+5.6% | Added |
| LPL Financial LLC | 118,291 | $25.2M | 0.01% | +12,522+11.8% | Added |
| Algert Global LLC | 119,304 | $25.4M | 0.42% | +55,168+86.0% | Added |
| Cooper Creek Partners Management LLC | 120,572 | $25.7M | 0.96% | −303,346−71.6% | Reduced |
| Makena Capital Management LLC | 122,085 | $26.0M | 2.68% | −29,721−19.6% | Reduced |
| Swiss National Bank | 122,300 | $26.0M | 0.02% | +1,500+1.2% | Added |
| Mackenzie Financial Corp | 125,405 | $26.7M | 0.03% | −12,000−8.7% | Reduced |
| Barclays PLC | 125,463 | $26.7M | 0.01% | −18,223−12.7% | Reduced |
| Alliancebernstein L.P. | 125,586 | $26.7M | 0.01% | −145,631−53.7% | Reduced |
| Wells Fargo & Company | 129,265 | $27.5M | 0.01% | +30,179+30.5% | Added |
| Squarepoint Ops LLC | 131,671 | $28.0M | 0.06% | +85,256+183.7% | Added |
| Schroder Investment Management Group | 131,787 | $28.0M | 0.02% | +59,228+81.6% | Added |
| SIR Capital Management, L.P. | 134,788 | $28.7M | 2.57% | +64,400+91.5% | Added |
| Community Trust & Investment Co | 144,667 | $30.8M | 1.66% | −3,818−2.6% | Reduced |
| OP Asset Management Ltd | 155,578 | $33.1M | 0.44% | +135,915+691.2% | Added |
| Lazard Asset Management LLC | 159,950 | $34.0M | 0.05% | +85,305+114.3% | Added |
| Rhumbline Advisers | 168,256 | $35.8M | 0.03% | −2,546−1.5% | Reduced |
| Kirr Marbach & Co LLC | 169,782 | $36.1M | 6.52% | −1,849−1.1% | Reduced |
| Principal Financial Group Inc | 175,814 | $37.4M | 0.02% | −56,455−24.3% | Reduced |
| Nuveen, LLC | 176,218 | $37.5M | 0.01% | +4,233+2.5% | Added |
| Goodlander Investment Management, LLC | 181,000 | $38.5M | 14.69% | −19,000−9.5% | Reduced |
| Arrowstreet Capital, Limited Partnership | 186,024 | $39.6M | 0.02% | −178,254−48.9% | Reduced |
| Wolf Hill Capital Management, LP | 187,532 | $39.9M | 3.81% | +12,532+7.2% | Added |
| D. E. Shaw & Co., Inc. | 190,868 | $40.6M | 0.03% | −149,232−43.9% | Reduced |
| Country Trust Bank | 193,337 | $41.1M | 0.90% | −78,087−28.8% | Reduced |
| Canada Pension Plan Investment Board | 194,515 | $41.4M | 0.03% | +6,790+3.6% | Added |
| Walleye Capital LLC | 195,149 | $41.5M | 0.34% | +78,689+67.6% | Added |
| Vontobel Holding Ltd. | 196,809 | $41.9M | 0.13% | −1,247−0.6% | Reduced |