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, Q1 2026
Institutional positions in Mastec Inc as of Mar 31, 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
- 811
- +122 vs. Q4 2025
- Shares held
- 58.0M
- +5.36M (+10.2%) vs. Q4 2025
- Total value
- $18.6B
- +$7.19B (+62.7%) vs. Q4 2025
- New holders
- 184
- 256 more added
- Sold out
- 62
- 263 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cetera Investment Advisers | 20,273 | $6.52M | 0.01% | +1,983+10.8% | Added |
| State of New Jersey Common Pension Fund D | 20,586 | $6.62M | 0.03% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 20,979 | $6.75M | 0.03% | −886−4.1% | Reduced |
| Handelsbanken Fonder AB | 21,000 | $6.76M | 0.02% | +3,100+17.3% | Added |
| Navellier & Associates Inc | 21,409 | $6.89M | 0.72% | +19,464+1,000.7% | Added |
| LGT Fund Management Co Ltd. | 22,065 | $7.10M | 0.31% | +22,065 | New |
| Ci Investments Inc. | 22,202 | $7.14M | 0.03% | +13,302+149.5% | Added |
| Intrinsic Edge Capital Management LLC | 22,257 | $7.16M | 1.30% | −22,000−49.7% | Reduced |
| Hodges Capital Management Inc. | 23,449 | $7.54M | 0.62% | −2,627−10.1% | Reduced |
| Mutual of America Capital Management LLC | 23,505 | $7.56M | 0.09% | −2,022−7.9% | Reduced |
| TCW Group Inc | 23,720 | $7.63M | 0.06% | +4,425+22.9% | Added |
| Scotia Capital Inc. | 24,059 | $7.74M | 0.03% | −546−2.2% | Reduced |
| Commonwealth Equity Services, LLC | 24,169 | $7.78M | 0.01% | −2,219−8.4% | Reduced |
| New York State Teachers Retirement System | 24,262 | $7.81M | 0.02% | −6,081−20.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 24,275 | $7.81M | 0.06% | +22,495+1,263.8% | Added |
| Intech Investment Management LLC | 24,517 | $7.89M | 0.08% | −12,003−32.9% | Reduced |
| O'Shaughnessy Asset Management, LLC | 24,840 | $7.99M | 0.04% | +3,661+17.3% | Added |
| Kennedy Capital Management, Inc. | 25,084 | $8.07M | 0.17% | −2,939−10.5% | Reduced |
| Vanguard Global Advisers, LLC | 25,355 | $8.16M | 0.00% | +25,355 | New |
| PDT Partners, LLC | 25,533 | $8.21M | 0.49% | 00.0% | Unchanged |
| L & S Advisors Inc | 26,110 | $8.40M | 1.06% | +26,110 | New |
| Fifth Third Bancorp | 26,296 | $8.46M | 0.02% | +25,573+3,537.1% | Added |
| SummitTX Capital, L.P. | 26,473 | $8.52M | 0.27% | −29,167−52.4% | Reduced |
| State of Tennessee, Treasury Department | 26,474 | $8.52M | 0.03% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 26,487 | $8.52M | 0.07% | +139+0.5% | Added |
| Treasurer of the State of North Carolina | 26,626 | $8.57M | 0.03% | +563+2.2% | Added |
| Dana Investment Advisors, Inc. | 26,819 | $8.63M | 0.26% | −5,347−16.6% | Reduced |
| Jefferies Financial Group Inc. | 26,865 | $8.64M | 0.11% | −18,182−40.4% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 40,128 | $8.66M | 0.02% | +19,009+90.0% | Added |
| Candriam Luxembourg S.C.A. | 27,272 | $8.77M | 0.05% | −27,126−49.9% | Reduced |
| Danske Bank A/S | 27,364 | $8.80M | 0.02% | −399−1.4% | Reduced |
| Kingswood Wealth Advisors, LLC | 27,808 | $8.95M | 0.42% | −162−0.6% | Reduced |
| Janus Henderson Group PLC | 27,855 | $8.96M | 0.00% | 00.0% | Unchanged |
| Tribune Investment Group LP | 29,000 | $9.33M | 6.27% | +29,000 | New |
| Amalgamated Bank | 29,476 | $9.48M | 0.07% | +886+3.1% | Added |
| Occudo Quantitative Strategies LP | 24,719 | $9.74M | 0.53% | +24,719 | New |
| Cohen & Steers, Inc. | 30,326 | $9.76M | 0.02% | −4,714−13.5% | Reduced |
| Wedge Capital Management L L P | 30,569 | $9.84M | 0.18% | −7,586−19.9% | Reduced |
| MetLife Investment Management | 30,779 | $9.90M | 0.05% | +163+0.5% | Added |
| New York State Common Retirement Fund | 30,929 | $9.95M | 0.01% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 31,075 | $10.0M | 0.01% | +11,967+62.6% | Added |
| Hel Ved Capital Management Ltd | 31,140 | $10.0M | 1.73% | +6,915+28.5% | Added |
| Toroso Investments, LLC | 31,568 | $10.2M | 0.03% | −10,315−24.6% | Reduced |
| Chase Investment Counsel Corp | 31,684 | $10.2M | 2.68% | +1,906+6.4% | Added |
| Stifel Financial Corp | 32,329 | $10.4M | 0.01% | +9,368+40.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 32,464 | $10.4M | 0.02% | +16,809+107.4% | Added |
| MML Investors Services, LLC | 32,597 | $10.5M | 0.03% | −8,387−20.5% | Reduced |
| Empowered Funds, LLC | 32,965 | $10.6M | 0.07% | +32,965 | New |
| Zacks Investment Management | 33,898 | $10.9M | 0.09% | −2,284−6.3% | Reduced |
| Public Employees Retirement System of Ohio | 34,026 | $10.9M | 0.04% | −12,928−27.5% | Reduced |
| TD Waterhouse Canada Inc. | 32,674 | $11.0M | 0.03% | +31,990+4,676.9% | Added |
| Erste Asset Management GmbH | 36,125 | $11.0M | 0.10% | +3,095+9.4% | Added |
| Allspring Global Investments Holdings, LLC | 33,203 | $11.1M | 0.02% | −18,672−36.0% | Reduced |
| Marco Investment Management LLC | 34,565 | $11.1M | 0.84% | −60−0.2% | Reduced |
| J. Goldman & Co LP | 34,962 | $11.2M | 0.52% | +34,962 | New |
| Storebrand Asset Management AS | 35,360 | $11.4M | 0.03% | −10,487−22.9% | Reduced |
| Great West Life Assurance Co | 35,647 | $11.5M | 0.02% | +154+0.4% | Added |
| Cambridge Investment Research Advisors, Inc. | 35,735 | $11.5M | 0.03% | +11,485+47.4% | Added |
| Scopus Asset Management, L.P. | 35,857 | $11.5M | 0.36% | −21,144−37.1% | Reduced |
| Pinnbrook Capital Management LP | 36,187 | $11.6M | 9.51% | +10,002+38.2% | Added |
| SIR Capital Management, L.P. | 36,499 | $11.7M | 1.10% | −95,400−72.3% | Reduced |
| Jain Global LLC | 37,729 | $12.1M | 0.15% | +37,729 | New |
| Pinebridge Investments LLC | 37,947 | $12.2M | 0.10% | +7,763+25.7% | Added |
| CWM, LLC | 38,107 | $12.3M | 0.03% | +7,502+24.5% | Added |
| Dorsey Wright & Associates | 39,061 | $12.6M | 1.56% | +26,823+219.2% | Added |
| Janney Montgomery Scott LLC | 39,744 | $12.8M | 0.03% | +12,802+47.5% | Added |
| Bridgewater Associates, LP | 40,138 | $12.9M | 0.06% | +29,414+274.3% | Added |
| J. Safra Sarasin Holding AG | 40,545 | $13.0M | 0.22% | 00.0% | Unchanged |
| LMR Partners LLP | 41,096 | $13.2M | 0.12% | −16,253−28.3% | Reduced |
| Sterling Capital Management LLC | 41,684 | $13.4M | 0.25% | −10,596−20.3% | Reduced |
| First Washington CORP | 41,721 | $13.4M | 3.80% | −53−0.1% | Reduced |
| Muhlenkamp & Co Inc | 42,832 | $13.8M | 3.63% | −62,928−59.5% | Reduced |
| Voloridge Investment Management, LLC | 45,000 | $14.5M | 0.06% | +31,157+225.1% | Added |
| Asset Management One Co.,Ltd. | 45,635 | $14.6M | 0.04% | −13,720−23.1% | Reduced |
| Great Lakes Advisors, LLC | 45,916 | $14.8M | 0.12% | −7,191−13.5% | Reduced |
| Cerity Partners LLC | 46,034 | $14.8M | 0.02% | +190.0% | Added |
| Bank of Nova Scotia | 46,171 | $14.9M | 0.03% | +30,653+197.5% | Added |
| Daiwa Securities Group Inc. | 47,500 | $15.3M | 0.04% | −15,969−25.2% | Reduced |
| STRS Ohio | 47,588 | $15.3M | 0.06% | +46,098+3,093.8% | Added |
| State of Wisconsin Investment Board | 47,641 | $15.3M | 0.04% | −4,016−7.8% | Reduced |
| Advisors Asset Management, Inc. | 47,695 | $15.3M | 0.26% | +5,445+12.9% | Added |
| Vanguard Asset Management, Ltd | 48,558 | $15.6M | 0.01% | +48,558 | New |
| State Board of Administration of Florida Retirement System | 50,138 | $16.1M | 0.03% | 00.0% | Unchanged |
| Bruni J V & Co | 50,645 | $16.3M | 1.70% | −819−1.6% | Reduced |
| Agf Management Ltd | 51,989 | $16.7M | 0.07% | −1,247−2.3% | Reduced |
| D. E. Shaw & Co., Inc. | 53,355 | $17.2M | 0.01% | −185,527−77.7% | Reduced |
| Stephens Inc | 53,472 | $17.2M | 0.22% | +9,679+22.1% | Added |
| Aventail Capital Group, LP | 54,407 | $17.5M | 0.85% | +35,569+188.8% | Added |
| Moran Wealth Management, LLC | 55,004 | $17.7M | 0.54% | −9,842−15.2% | Reduced |
| Citigroup Inc | 55,184 | $17.8M | 0.01% | +36,491+195.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 55,490 | $17.9M | 0.05% | +55,490 | New |
| ExodusPoint Capital Management, LP | 55,985 | $18.0M | 0.18% | +55,985 | New |
| ING Groep NV | 56,870 | $18.3M | 0.11% | +56,870 | New |
| CloudAlpha Capital Management Limited/Hong Kong | 57,400 | $18.5M | 2.03% | +57,400 | New |
| Atika Capital Management LLC | 57,636 | $18.5M | 2.93% | +1,638+2.9% | Added |
| Banco Santander, S.A. | 57,877 | $18.6M | 0.15% | 00.0% | Unchanged |
| HSBC Holdings PLC | 58,370 | $18.7M | 0.01% | −4,362−7.0% | Reduced |
| Alliancebernstein L.P. | 86,045 | $18.7M | 0.01% | −43,018−33.3% | Reduced |
| Swedbank AB | 58,600 | $18.9M | 0.02% | −5,700−8.9% | Reduced |
| Walleye Capital LLC | 59,182 | $19.0M | 0.12% | −140,314−70.3% | Reduced |