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 |
|---|---|---|---|---|---|
| Cohen & Steers, Inc. | 20,844 | $8.67M | 0.01% | −9,482−31.3% | Reduced |
| Occudo Quantitative Strategies LP | 20,907 | $8.70M | 0.46% | −3,812−15.4% | Reduced |
| LGT Fund Management Co Ltd. | 20,987 | $8.73M | 0.36% | −1,078−4.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 21,007 | $8.74M | 0.01% | +13,314+173.1% | Added |
| Sycomore Asset Management | 22,437 | $8.77M | 0.94% | 00.0% | Unchanged |
| Hel Ved Capital Management Ltd | 21,260 | $8.85M | 1.25% | −9,880−31.7% | Reduced |
| Aventail Capital Group, LP | 21,688 | $9.02M | 0.52% | −32,719−60.1% | Reduced |
| Algert Global LLC | 21,799 | $9.07M | 0.11% | −96,257−81.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 21,846 | $9.09M | 0.05% | −2,429−10.0% | Reduced |
| Cetera Investment Advisers | 21,953 | $9.13M | 0.01% | +1,680+8.3% | Added |
| Intrinsic Edge Capital Management LLC | 22,157 | $9.22M | 1.14% | −100−0.4% | Reduced |
| Dana Investment Advisors, Inc. | 22,165 | $9.22M | 0.24% | −4,654−17.4% | Reduced |
| Brevan Howard Capital Management LP | 22,609 | $9.41M | 0.13% | −72,060−76.1% | Reduced |
| Scotia Capital Inc. | 22,629 | $9.41M | 0.04% | −1,430−5.9% | Reduced |
| Mutual of America Capital Management LLC | 22,897 | $9.53M | 0.09% | −608−2.6% | Reduced |
| Fifth Third Bancorp | 22,953 | $9.55M | 0.02% | −3,343−12.7% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 40,130 | $9.71M | 0.02% | +20.0% | Added |
| O'Shaughnessy Asset Management, LLC | 23,498 | $9.78M | 0.05% | −1,342−5.4% | Reduced |
| Empowered Funds, LLC | 23,617 | $9.83M | 0.05% | −9,348−28.4% | Reduced |
| State of Tennessee, Treasury Department | 23,722 | $9.87M | 0.03% | −2,752−10.4% | Reduced |
| Pictet Asset Management Holding SA | 24,150 | $10.0M | 0.01% | +13,973+137.3% | Added |
| Vanguard Global Advisers, LLC | 24,278 | $10.1M | 0.00% | −1,077−4.2% | Reduced |
| Squarepoint Ops LLC | 24,496 | $10.2M | 0.02% | −201,154−89.1% | Reduced |
| Sequoia Financial Advisors, LLC | 24,540 | $10.2M | 0.05% | +4,482+22.3% | Added |
| Vanguard Asset Management, Ltd | 24,549 | $10.2M | 0.01% | −24,009−49.4% | Reduced |
| Navellier & Associates Inc | 24,709 | $10.3M | 0.81% | +3,300+15.4% | Added |
| Wedge Capital Management L L P | 24,999 | $10.4M | 0.17% | −5,570−18.2% | Reduced |
| Advisor Group Holdings, Inc. | 25,013 | $10.4M | 0.01% | −6,062−19.5% | Reduced |
| L & S Advisors Inc | 25,067 | $10.4M | 1.08% | −1,043−4.0% | Reduced |
| Kingswood Wealth Advisors, LLC | 25,308 | $10.5M | 0.42% | −2,500−9.0% | Reduced |
| PDT Partners, LLC | 25,533 | $10.6M | 0.56% | 00.0% | Unchanged |
| TCW Group Inc | 26,174 | $10.9M | 0.07% | +2,454+10.3% | Added |
| KLP Kapitalforvaltning AS | 26,600 | $11.1M | 0.04% | +12,400+87.3% | Added |
| Susquehanna International Group, LLP | 26,689 | $11.1M | 0.01% | +14,711+122.8% | Added |
| Los Angeles Capital Management LLC | 26,872 | $11.2M | 0.04% | +22,560+523.2% | Added |
| Natixis Advisors, L.P. | 26,920 | $11.2M | 0.01% | +9,842+57.6% | Added |
| Chase Investment Counsel Corp | 26,950 | $11.2M | 2.37% | −4,734−14.9% | Reduced |
| Dorsey Wright & Associates | 27,080 | $11.3M | 1.91% | −11,981−30.7% | Reduced |
| Pinnbrook Capital Management LP | 27,243 | $11.3M | 1.89% | −8,944−24.7% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 28,201 | $11.7M | 0.03% | −7,534−21.1% | Reduced |
| New York State Teachers Retirement System | 28,288 | $11.8M | 0.02% | +4,026+16.6% | Added |
| J. Safra Sarasin Holding AG | 29,030 | $12.1M | 0.17% | −11,515−28.4% | Reduced |
| Vanguard Investments Australia, Ltd. | 29,022 | $12.1M | 0.03% | +13,135+82.7% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 29,084 | $12.1M | 0.03% | +29,084 | New |
| Amalgamated Bank | 29,142 | $12.1M | 0.08% | −334−1.1% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 29,388 | $12.2M | 0.02% | +9,563+48.2% | Added |
| Square Wave Capital, LLC | 29,500 | $12.3M | 1.83% | −31,100−51.3% | Reduced |
| TD Waterhouse Canada Inc. | 31,516 | $12.3M | 0.03% | −1,158−3.5% | Reduced |
| Public Employees Retirement System of Ohio | 29,862 | $12.4M | 0.04% | −4,164−12.2% | Reduced |
| Credit Agricole S A | 30,445 | $12.7M | 0.03% | +16,599+119.9% | Added |
| Allspring Global Investments Holdings, LLC | 32,475 | $12.7M | 0.02% | −728−2.2% | Reduced |
| HRT Financial LP | 30,548 | $12.7M | 0.02% | −37,466−55.1% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 30,720 | $12.8M | 0.06% | +15,720+104.8% | Added |
| Covalis Capital LLP | 30,842 | $12.8M | 0.72% | +30,842 | New |
| First Washington CORP | 31,052 | $12.9M | 3.15% | −10,669−25.6% | Reduced |
| New York State Common Retirement Fund | 31,853 | $13.3M | 0.02% | +924+3.0% | Added |
| MetLife Investment Management | 32,108 | $13.4M | 0.06% | +1,329+4.3% | Added |
| Needham Investment Management LLC | 32,250 | $13.4M | 0.40% | +12,150+60.4% | Added |
| Candriam Luxembourg S.C.A. | 32,378 | $13.5M | 0.06% | +5,106+18.7% | Added |
| Treasurer of the State of North Carolina | 32,523 | $13.5M | 0.03% | +5,897+22.1% | Added |
| Pinebridge Investments LLC | 32,586 | $13.6M | 0.11% | −5,361−14.1% | Reduced |
| State of Wisconsin Investment Board | 33,794 | $14.1M | 0.03% | −13,847−29.1% | Reduced |
| Marco Investment Management LLC | 34,015 | $14.2M | 0.93% | −550−1.6% | Reduced |
| Riposte Capital LLC | 35,000 | $14.6M | 4.94% | −35,000−50.0% | Reduced |
| Moran Wealth Management, LLC | 35,124 | $14.6M | 0.40% | −19,880−36.1% | Reduced |
| Atika Capital Management LLC | 35,500 | $14.8M | 1.47% | −22,136−38.4% | Reduced |
| Sterling Capital Management LLC | 35,945 | $15.0M | 0.25% | −5,739−13.8% | Reduced |
| Cerity Partners LLC | 35,957 | $15.0M | 0.02% | −10,077−21.9% | Reduced |
| Zacks Investment Management | 36,166 | $15.0M | 0.11% | +2,268+6.7% | Added |
| MML Investors Services, LLC | 38,055 | $15.8M | 0.03% | +5,458+16.7% | Added |
| Manufacturers Life Insurance Company, The | 39,643 | $16.5M | 0.01% | −148,307−78.9% | Reduced |
| Bank of Nova Scotia | 39,830 | $16.6M | 0.03% | −6,341−13.7% | Reduced |
| Ieq Capital, LLC | 40,032 | $16.7M | 0.08% | −25,091−38.5% | Reduced |
| Ci Investments Inc. | 40,144 | $16.7M | 0.05% | +17,942+80.8% | Added |
| Vinva Investment Management Ltd | 39,063 | $16.8M | 0.11% | +39,063 | New |
| Stifel Financial Corp | 40,605 | $16.9M | 0.01% | +8,276+25.6% | Added |
| Intech Investment Management LLC | 41,093 | $17.1M | 0.16% | +16,576+67.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 41,298 | $17.2M | 0.03% | −26,069−38.7% | Reduced |
| Storebrand Asset Management AS | 41,321 | $17.2M | 0.04% | +5,961+16.9% | Added |
| Erste Asset Management GmbH | 40,715 | $17.6M | 0.14% | +4,590+12.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 42,247 | $17.6M | 0.03% | +9,783+30.1% | Added |
| Janney Montgomery Scott LLC | 42,371 | $17.6M | 0.03% | +2,627+6.6% | Added |
| Great West Life Assurance Co | 43,098 | $17.9M | 0.03% | +7,451+20.9% | Added |
| Millennium Management LLC | 43,898 | $18.3M | 0.01% | −459,301−91.3% | Reduced |
| Raiffeisen Bank International AG | 42,931 | $18.4M | 0.22% | −23,069−35.0% | Reduced |
| Defiance ETFs, LLC | 47,455 | $18.5M | 0.26% | +28,896+155.7% | Added |
| Voloridge Investment Management, LLC | 45,000 | $18.7M | 0.08% | 00.0% | Unchanged |
| Korea Investment CORP | 45,696 | $19.0M | 0.04% | +45,696 | New |
| Banco Santander, S.A. | 45,843 | $19.1M | 0.12% | −12,034−20.8% | Reduced |
| Driehaus Capital Management LLC | 46,753 | $19.5M | 0.11% | −57,249−55.0% | Reduced |
| Daiwa Securities Group Inc. | 48,260 | $20.1M | 0.05% | +760+1.6% | Added |
| Aviva PLC | 48,775 | $20.3M | 0.03% | +48,775 | New |
| SIR Capital Management, L.P. | 50,469 | $21.0M | 2.41% | +13,970+38.3% | Added |
| Advisors Asset Management, Inc. | 51,285 | $21.3M | 0.33% | +3,590+7.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 52,350 | $21.8M | 0.04% | −3,140−5.7% | Reduced |
| State Board of Administration of Florida Retirement System | 53,108 | $22.1M | 0.04% | +2,970+5.9% | Added |
| TD Asset Management Inc | 53,949 | $22.4M | 0.02% | +47,655+757.1% | Added |
| SRS Capital Advisors, Inc. | 54,314 | $22.6M | 0.15% | +35,986+196.3% | Added |
| Stephens Inc | 55,460 | $23.1M | 0.26% | +1,988+3.7% | Added |
| Norges Bank | 55,571 | $23.1M | 0.00% | +55,571 | New |