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 |
|---|---|---|---|---|---|
| Summit Trail Advisors, LLC | 6,736 | $1.43M | 0.02% | +6,736 | New |
| HighVista Strategies LLC | 6,700 | $1.43M | 0.35% | −4,300−39.1% | Reduced |
| Chung Wu Investment Group, LLC | 6,615 | $1.41M | 1.17% | +1,060+19.1% | Added |
| State of Alaska, Department of Revenue | 6,583 | $1.40M | 0.01% | −300−4.4% | Reduced |
| Ossiam | 6,545 | $1.39M | 0.02% | +6,545 | New |
| Massachusetts Financial Services Co | 6,462 | $1.38M | 0.00% | +1,564+31.9% | Added |
| New York Life Investment Management LLC | 6,412 | $1.36M | 0.01% | −233−3.5% | Reduced |
| Polymer Capital Management (US) LLC | 6,377 | $1.36M | 0.18% | +4,806+305.9% | Added |
| Neuberger Berman Group LLC | 6,357 | $1.35M | 0.00% | −4−0.1% | Reduced |
| Linden Thomas Advisory Services, LLC | 6,089 | $1.30M | 0.13% | +86+1.4% | Added |
| Federated Hermes, Inc. | 6,074 | $1.29M | 0.00% | −1,526−20.1% | Reduced |
| IHT Wealth Management, LLC | 5,966 | $1.27M | 0.03% | +216+3.8% | Added |
| LMR Partners LLP | 5,965 | $1.27M | 0.02% | +5,965 | New |
| Williamson Legacy Group, LLC | 5,909 | $1.26M | 0.97% | +5,909 | New |
| JustInvest LLC | 5,880 | $1.25M | 0.01% | +43+0.7% | Added |
| Alyeska Investment Group, L.P. | 5,819 | $1.24M | 0.00% | −6,298−52.0% | Reduced |
| Brighton Jones LLC | 5,681 | $1.21M | 0.03% | +1,177+26.1% | Added |
| SG Americas Securities, LLC | 5,625 | $1.20M | 0.00% | −109−1.9% | Reduced |
| Kestra Investment Management, LLC | 5,550 | $1.18M | 0.03% | +5,550 | New |
| Merit Financial Group, LLC | 5,305 | $1.13M | 0.01% | +421+8.6% | Added |
| Public Employees Retirement Association of Colorado | 5,295 | $1.13M | 0.00% | −1,369−20.5% | Reduced |
| Quadrant Capital Group LLC | 5,257 | $1.12M | 0.04% | +25+0.5% | Added |
| KRS Capital Management, LLC | 5,226 | $1.11M | 0.67% | +637+13.9% | Added |
| Dark Forest Capital Management LP | 5,098 | $1.08M | 0.04% | +5,098 | New |
| Altshuler Shaham Ltd | 5,021 | $1.07M | 0.02% | +2,522+100.9% | Added |
| Custom Index Systems, LLC | 4,801 | $1.02M | 0.30% | +1,809+60.5% | Added |
| Daymark Wealth Partners, LLC | 4,731 | $1.01M | 0.03% | 00.0% | Unchanged |
| Alps Advisors Inc | 4,625 | $984.2K | 0.01% | +1,935+71.9% | Added |
| Securian Asset Management, Inc | 4,592 | $977.2K | 0.03% | −127−2.7% | Reduced |
| Quantbot Technologies LP | 4,517 | $961.3K | 0.03% | −24,951−84.7% | Reduced |
| Concurrent Investment Advisors, LLC | 4,458 | $948.7K | 0.02% | +219+5.2% | Added |
| Buckingham Strategic Partners | 4,586 | $945.0K | 0.01% | +1,043+29.4% | Added |
| Arkadios Wealth Advisors | 4,389 | $934.0K | 0.02% | −272−5.8% | Reduced |
| Bayforest Capital Ltd | 4,312 | $917.6K | 0.44% | −1,105−20.4% | Reduced |
| Crossmark Global Holdings, Inc. | 4,270 | $908.7K | 0.01% | −13,833−76.4% | Reduced |
| Entropy Technologies, LP | 4,254 | $905.3K | 0.07% | −3,138−42.5% | Reduced |
| SPX Equities Gestao de Recursos Ltda | 4,200 | $893.8K | 0.07% | +4,200 | New |
| Advisory Services Network, LLC | 4,196 | $893.0K | 0.01% | +4,196 | New |
| Virtus ETF Advisers LLC | 4,119 | $876.6K | 0.48% | −1,175−22.2% | Reduced |
| Union Bancaire Privee, UBP SA | 4,808 | $873.4K | 0.02% | +4,808 | New |
| Integrated Wealth Concepts LLC | 4,081 | $868.5K | 0.01% | +55+1.4% | Added |
| Sheets Smith Investment Management | 4,011 | $853.6K | 0.55% | +4,011 | New |
| Rithm Capital Corp. | 4,000 | $851.2K | 1.72% | 00.0% | Unchanged |
| Shay Capital LLC | 4,000 | $851.2K | 0.15% | +4,000 | New |
| Rockefeller Capital Management L.P. | 3,957 | $842.1K | 0.00% | +3,957 | New |
| Allianz SE | 3,941 | $838.7K | 0.02% | +3,941 | New |
| Prelude Capital Management, LLC | 3,848 | $818.9K | 0.06% | −2,473−39.1% | Reduced |
| Wright Investors Service Inc | 3,831 | $815.3K | 0.24% | −353−8.4% | Reduced |
| Inceptionr LLC | 3,790 | $806.5K | 0.19% | −6,279−62.4% | Reduced |
| Dorsey & Whitney Trust CO LLC | 3,731 | $794.0K | 0.04% | −42−1.1% | Reduced |
| Atria Investments LLC | 3,688 | $784.8K | 0.01% | −434−10.5% | Reduced |
| Sequoia Financial Advisors, LLC | 3,676 | $782.4K | 0.00% | +647+21.4% | Added |
| Supplemental Annuity Collective Trust of NJ | 3,600 | $766.1K | 0.20% | 00.0% | Unchanged |
| Castleark Management LLC | 3,540 | $753.3K | 0.02% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 3,511 | $747.2K | 0.00% | +256+7.9% | Added |
| Coldstream Capital Management Inc | 3,487 | $742.1K | 0.01% | −19−0.5% | Reduced |
| Guggenheim Capital LLC | 3,417 | $727.2K | 0.01% | −15−0.4% | Reduced |
| Chesapeake Capital Corp | 3,405 | $724.6K | 0.65% | +3,405 | New |
| CWC Advisors, LLC. | 3,342 | $711.2K | 0.35% | −1,407−29.6% | Reduced |
| StoneX Group Inc. | 3,335 | $709.7K | 0.03% | +3,335 | New |
| Occudo Quantitative Strategies LP | 3,322 | $707.0K | 0.09% | +3,322 | New |
| Tributary Capital Management, LLC | 3,315 | $705.5K | 0.06% | −195−5.6% | Reduced |
| Utah Retirement Systems | 3,288 | $699.7K | 0.01% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,286 | $699.3K | 0.02% | −978−22.9% | Reduced |
| Lido Advisors, LLC | 3,259 | $693.6K | 0.00% | +1,036+46.6% | Added |
| Bangor Savings Bank | 3,137 | $667.6K | 0.06% | 00.0% | Unchanged |
| Claro Advisors LLC | 3,126 | $665.2K | 0.10% | +113+3.8% | Added |
| Maryland State Retirement & Pension System | 3,101 | $659.9K | 0.01% | +173+5.9% | Added |
| Cetera Trust Company, N.A | 3,035 | $645.9K | 0.36% | 00.0% | Unchanged |
| Edgestream Partners, L.P. | 2,984 | $635.0K | 0.02% | +2,984 | New |
| Globeflex Capital L P | 2,965 | $631.0K | 0.10% | +1,965+196.5% | Added |
| Reliant Investment Partners, LLC | 2,907 | $627.4K | 0.49% | −25−0.9% | Reduced |
| Jones Financial Companies LLLP | 2,973 | $618.7K | 0.00% | +1,618+119.4% | Added |
| HB Wealth Management, LLC | 2,907 | $618.6K | 0.00% | +605+26.3% | Added |
| MQS Management LLC | 2,890 | $615.0K | 0.36% | +1,085+60.1% | Added |
| Intrust Bank NA | 2,890 | $615.0K | 0.05% | +116+4.2% | Added |
| Jane Street Group, LLC | 2,885 | $614.0K | 0.00% | −241,471−98.8% | Reduced |
| Stratos Wealth Partners, LTD. | 2,884 | $613.9K | 0.01% | +245+9.3% | Added |
| Swiss Life Asset Management Ltd | 2,852 | $606.9K | 0.00% | +1,216+74.3% | Added |
| Bessemer Group Inc | 2,836 | $603.0K | 0.00% | +45+1.6% | Added |
| M&T Bank Corp | 2,818 | $599.6K | 0.00% | −598−17.5% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 2,797 | $595.2K | 0.00% | 00.0% | Unchanged |
| Rossby Financial, LCC | 2,750 | $591.3K | 0.20% | +2,750 | New |
| Group One Trading, L.P. | 2,746 | $584.4K | 0.02% | −4,970−64.4% | Reduced |
| Moors & Cabot, Inc. | 2,725 | $579.9K | 0.03% | 00.0% | Unchanged |
| Krilogy Financial LLC | 2,883 | $573.9K | 0.02% | +2,883 | New |
| Evergreen Capital Management LLC | 2,683 | $571.0K | 0.01% | +474+21.5% | Added |
| Versor Investments LP | 2,667 | $567.6K | 0.10% | −2,810−51.3% | Reduced |
| Truist Financial Corp | 2,651 | $564.2K | 0.00% | +188+7.6% | Added |
| Alamea Verwaltungs GmbH | 2,632 | $560.1K | 0.38% | +2,632 | New |
| ProShare Advisors LLC | 2,608 | $555.0K | 0.00% | −109−4.0% | Reduced |
| Spire Wealth Management | 2,575 | $548.0K | 0.02% | +18+0.7% | Added |
| Park Avenue Securities LLC | 2,560 | $545.0K | 0.00% | +2,560 | New |
| Sivia Capital Partners, LLC | 2,556 | $543.9K | 0.15% | +965+60.7% | Added |
| WESCAP Management Group, Inc. | 2,523 | $536.9K | 0.11% | −141−5.3% | Reduced |
| Whalen Wealth Management Inc. | 2,499 | $531.8K | 0.31% | +2,499 | New |
| Worldquant Millennium Advisors LLC | 2,495 | $531.0K | 0.00% | +2,495 | New |
| Convergence Investment Partners, LLC | 2,481 | $528.0K | 0.12% | −5,074−67.2% | Reduced |
| Banque Pictet & Cie SA | 2,479 | $527.6K | 0.01% | −15−0.6% | Reduced |
| Blair William & Co | 2,478 | $527.3K | 0.00% | +1,000+67.7% | Added |