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 2021
Institutional positions in Mastec Inc as of Sep 30, 2021. 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
- 366
- −43 vs. Q2 2021
- Shares held
- 52.4M
- −1.96M (−3.6%) vs. Q2 2021
- Total value
- $4.53B
- −$1.24B (−21.5%) vs. Q2 2021
- New holders
- 36
- 134 more added
- Sold out
- 79
- 132 more reduced
6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Maverick Capital LtdSuperinvestorMaverick Capital | 4,129 | $356.0K | 0.00% | +3,674+807.5% | Added |
| ProShare Advisors LLC | 4,207 | $363.0K | 0.00% | −464−9.9% | Reduced |
| Weil Company, Inc. | 4,326 | $373.0K | 0.19% | 00.0% | Unchanged |
| Algert Global LLC | 4,372 | $377.0K | 0.05% | +4,372 | New |
| Fox Run Management, L.L.C. | 4,740 | $409.0K | 0.26% | +1,758+59.0% | Added |
| IndexIQ Advisors LLC | 4,798 | $414.0K | 0.01% | +480+11.1% | Added |
| Cetera Advisor Networks LLC | 4,875 | $421.0K | 0.01% | −348−6.7% | Reduced |
| Burney Co | 4,915 | $424.0K | 0.02% | 00.0% | Unchanged |
| Endurance Wealth Management, Inc. | 5,046 | $435.0K | 0.05% | −75−1.5% | Reduced |
| Securian Asset Management, Inc | 5,090 | $439.0K | 0.01% | −100−1.9% | Reduced |
| Tributary Capital Management, LLC | 5,100 | $440.0K | 0.03% | −1,600−23.9% | Reduced |
| Symmetry Partners, LLC | 4,957 | $442.0K | 0.03% | +4,957 | New |
| Bank of Montreal | 5,011 | $444.0K | 0.00% | +71+1.4% | Added |
| Echo Street Capital Management LLC | 5,283 | $456.0K | 0.00% | −3,977−42.9% | Reduced |
| Intersect Capital LLC | 5,286 | $456.0K | 0.08% | −329−5.9% | Reduced |
| FORA Capital, LLC | 5,309 | $458.0K | 0.12% | +5,042+1,888.4% | Added |
| First Mercantile Trust Co | 5,345 | $461.0K | 0.06% | −449−7.7% | Reduced |
| Pitcairn Co | 5,384 | $465.0K | 0.03% | +154+2.9% | Added |
| Magnetar Financial LLC | 5,675 | $490.0K | 0.00% | +5,675 | New |
| Janus Henderson Group PLC | 5,989 | $517.0K | 0.00% | +5,989 | New |
| Mercer Global Advisors Inc | 6,019 | $519.0K | 0.00% | +194+3.3% | Added |
| Smith Group Asset Management, LLC | 6,019 | $519.0K | 0.03% | +6,019 | New |
| Fma Advisory Inc | 6,035 | $521.0K | 0.19% | −300−4.7% | Reduced |
| Crossmark Global Holdings, Inc. | 6,110 | $527.0K | 0.01% | −30−0.5% | Reduced |
| Ontario Teachers Pension Plan Board | 6,146 | $530.0K | 0.00% | +1,892+44.5% | Added |
| Point72 Hong Kong Ltd | 6,211 | $536.0K | 0.04% | −16,004−72.0% | Reduced |
| Janney Montgomery Scott LLC | 6,291 | $542.0K | 0.00% | −6,235−49.8% | Reduced |
| Los Angeles Capital Management LLC | 6,357 | $548.0K | 0.00% | −11,979−65.3% | Reduced |
| Xponance, Inc. | 6,428 | $555.0K | 0.01% | −154−2.3% | Reduced |
| Shell Asset Management Co | 6,619 | $571.0K | 0.01% | −290−4.2% | Reduced |
| Cetera Investment Advisers | 6,844 | $591.0K | 0.01% | −889−11.5% | Reduced |
| Wolverine Trading, LLC | 6,788 | $601.0K | 0.01% | +6,788 | New |
| Y-Intercept (Hong Kong) Ltd | 7,010 | $605.0K | 0.11% | −2,513−26.4% | Reduced |
| State of Wisconsin Investment Board | 7,035 | $607.0K | 0.00% | −2,470−26.0% | Reduced |
| Natixis | 7,177 | $619.0K | 0.00% | +1,774+32.8% | Added |
| Prudential Financial Inc | 7,077 | $629.0K | 0.00% | −24,948−77.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 7,318 | $631.0K | 0.01% | +7,318 | New |
| Mitsubishi UFJ Trust & Banking Corp | 7,790 | $672.0K | 0.00% | −3,600−31.6% | Reduced |
| MorganRosel Wealth Management, LLC | 7,958 | $687.0K | 0.38% | +787+11.0% | Added |
| Guggenheim Capital LLC | 8,360 | $721.0K | 0.00% | −5,785−40.9% | Reduced |
| Thompson Investment Management, Inc. | 8,590 | $741.0K | 0.11% | 00.0% | Unchanged |
| Seven Eight Capital, LP | 8,702 | $751.0K | 0.07% | +5,621+182.4% | Added |
| Public Employees Retirement Association of Colorado | 8,730 | $753.0K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 8,786 | $758.0K | 0.01% | +16+0.2% | Added |
| Intrust Bank NA | 8,822 | $761.0K | 0.10% | +109+1.3% | Added |
| Teachers Retirement System of the State of Kentucky | 8,900 | $768.0K | 0.01% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 9,071 | $783.0K | 0.04% | −10,409−53.4% | Reduced |
| Sciencast Management LP | 9,346 | $789.0K | 0.22% | +9,346 | New |
| Teacher Retirement System of Texas | 9,404 | $811.0K | 0.00% | +1,556+19.8% | Added |
| WESCAP Management Group, Inc. | 9,459 | $816.0K | 0.24% | −602−6.0% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 9,453 | $816.0K | 0.02% | +47+0.5% | Added |
| LPL Financial LLC | 9,517 | $821.0K | 0.00% | +266+2.9% | Added |
| Emerald Advisers, LLC | 9,578 | $826.0K | 0.03% | +1,873+24.3% | Added |
| Boothbay Fund Management, LLC | 9,767 | $843.0K | 0.03% | −2,643−21.3% | Reduced |
| Supplemental Annuity Collective Trust of NJ | 10,000 | $863.0K | 0.28% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 10,236 | $883.0K | 0.01% | +10,236 | New |
| Cambridge Investment Research Advisors, Inc. | 10,253 | $885.0K | 0.00% | −1,412−12.1% | Reduced |
| O'Shaughnessy Asset Management, LLC | 10,380 | $896.0K | 0.02% | −7,696−42.6% | Reduced |
| Metropolitan Life Insurance Co | 10,426 | $899.6K | 0.01% | −239−2.2% | Reduced |
| Vontobel Holding Ltd. | 10,725 | $925.0K | 0.01% | +10,725 | New |
| Polianta Ltd | 11,100 | $957.0K | 0.44% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 11,700 | $1.01M | 0.04% | 00.0% | Unchanged |
| Greenwood Capital Associates LLC | 12,114 | $1.04M | 0.16% | +187+1.6% | Added |
| Townsend Asset Management Corp | 12,815 | $1.11M | 0.59% | +7,530+142.5% | Added |
| NJ State Employees Deferred Compensation Plan | 13,000 | $1.12M | 0.15% | 00.0% | Unchanged |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 13,460 | $1.16M | 0.38% | −145−1.1% | Reduced |
| CWM Advisors, LLC | 13,560 | $1.17M | 0.15% | +5,160+61.4% | Added |
| Shelton Capital Management | 13,568 | $1.17M | 0.05% | +7,100+109.8% | Added |
| Peregrine Capital Management LLC | 13,740 | $1.19M | 0.02% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 13,744 | $1.19M | 0.00% | +26+0.2% | Added |
| State of Michigan Retirement System | 14,313 | $1.24M | 0.01% | +100+0.7% | Added |
| Pallas Capital Advisors LLC | 13,865 | $1.25M | 0.14% | +13,865 | New |
| Louisiana State Employees Retirement System | 14,600 | $1.26M | 0.03% | −100−0.7% | Reduced |
| Federated Hermes, Inc. | 14,697 | $1.27M | 0.00% | +363+2.5% | Added |
| Raymond James Financial Services Advisors, Inc. | 14,746 | $1.27M | 0.00% | +1,176+8.7% | Added |
| Thrivent Financial for Lutherans | 14,957 | $1.29M | 0.00% | −35−0.2% | Reduced |
| Polar Asset Management Partners Inc. | 15,170 | $1.31M | 0.02% | +9,386+162.3% | Added |
| Ameritas Investment Partners, Inc. | 15,265 | $1.32M | 0.05% | 00.0% | Unchanged |
| Assetmark, Inc | 15,363 | $1.33M | 0.01% | +1,315+9.4% | Added |
| Aigen Investment Management, LP | 15,676 | $1.35M | 0.26% | +15,676 | New |
| Gables Capital Management Inc. | 15,775 | $1.36M | 0.89% | +1,150+7.9% | Added |
| Terra Nova Asset Management LLC | 15,809 | $1.36M | 1.09% | +837+5.6% | Added |
| Arizona State Retirement System | 16,193 | $1.40M | 0.01% | +55+0.3% | Added |
| Trexquant Investment LP | 16,374 | $1.41M | 0.11% | +8,793+116.0% | Added |
| Bangor Savings Bank | 16,963 | $1.46M | 0.15% | +2,313+15.8% | Added |
| Campbell & CO Investment Adviser LLC | 17,323 | $1.50M | 0.49% | +17,323 | New |
| HRT Financial LP | 17,739 | $1.53M | 0.01% | −136,372−88.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 17,785 | $1.53M | 0.01% | −1,421−7.4% | Reduced |
| Dana Investment Advisors, Inc. | 17,944 | $1.55M | 0.07% | +3,998+28.7% | Added |
| STRS Ohio | 18,075 | $1.56M | 0.01% | +1,761+10.8% | Added |
| Empowered Funds, LLC | 18,668 | $1.61M | 0.21% | +3,202+20.7% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 18,905 | $1.63M | 0.02% | +91+0.5% | Added |
| Oregon Public Employees Retirement Fund | 19,037 | $1.64M | 0.02% | −133−0.7% | Reduced |
| Stifel Financial Corp | 19,872 | $1.72M | 0.00% | −8,191−29.2% | Reduced |
| Treasurer of the State of North Carolina | 20,219 | $1.74M | 0.01% | +689+3.5% | Added |
| Paradigm Financial Partners, LLC | 19,800 | $1.75M | 0.42% | 00.0% | Unchanged |
| Vident Investment Advisory, LLC | 20,806 | $1.79M | 0.05% | −1,807−8.0% | Reduced |
| Leavell Investment Management, Inc. | 21,995 | $1.90M | 0.14% | +1,100+5.3% | Added |
| Sheets Smith Wealth Management | 22,534 | $1.94M | 0.26% | 00.0% | Unchanged |
| Alpine Woods Capital Investors, LLC | 23,000 | $1.98M | 0.21% | 00.0% | Unchanged |