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 |
|---|---|---|---|---|---|
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 13,460 | $1.16M | 0.38% | −145−1.1% | Reduced |
| NJ State Employees Deferred Compensation Plan | 13,000 | $1.12M | 0.15% | 00.0% | Unchanged |
| Townsend Asset Management Corp | 12,815 | $1.11M | 0.59% | +7,530+142.5% | Added |
| Greenwood Capital Associates LLC | 12,114 | $1.04M | 0.16% | +187+1.6% | Added |
| New Mexico Educational Retirement Board | 11,700 | $1.01M | 0.04% | 00.0% | Unchanged |
| Polianta Ltd | 11,100 | $957.0K | 0.44% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 10,725 | $925.0K | 0.01% | +10,725 | New |
| Metropolitan Life Insurance Co | 10,426 | $899.6K | 0.01% | −239−2.2% | Reduced |
| O'Shaughnessy Asset Management, LLC | 10,380 | $896.0K | 0.02% | −7,696−42.6% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 10,253 | $885.0K | 0.00% | −1,412−12.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 10,236 | $883.0K | 0.01% | +10,236 | New |
| Supplemental Annuity Collective Trust of NJ | 10,000 | $863.0K | 0.28% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 9,767 | $843.0K | 0.03% | −2,643−21.3% | Reduced |
| Emerald Advisers, LLC | 9,578 | $826.0K | 0.03% | +1,873+24.3% | Added |
| LPL Financial LLC | 9,517 | $821.0K | 0.00% | +266+2.9% | 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 |
| Teacher Retirement System of Texas | 9,404 | $811.0K | 0.00% | +1,556+19.8% | Added |
| Sciencast Management LP | 9,346 | $789.0K | 0.22% | +9,346 | New |
| Engineers Gate Manager LP | 9,071 | $783.0K | 0.04% | −10,409−53.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 8,900 | $768.0K | 0.01% | 00.0% | Unchanged |
| Intrust Bank NA | 8,822 | $761.0K | 0.10% | +109+1.3% | Added |
| State of Alaska, Department of Revenue | 8,786 | $758.0K | 0.01% | +16+0.2% | Added |
| Public Employees Retirement Association of Colorado | 8,730 | $753.0K | 0.00% | 00.0% | Unchanged |
| Seven Eight Capital, LP | 8,702 | $751.0K | 0.07% | +5,621+182.4% | Added |
| Thompson Investment Management, Inc. | 8,590 | $741.0K | 0.11% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 8,360 | $721.0K | 0.00% | −5,785−40.9% | Reduced |
| MorganRosel Wealth Management, LLC | 7,958 | $687.0K | 0.38% | +787+11.0% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 7,790 | $672.0K | 0.00% | −3,600−31.6% | Reduced |
| Susquehanna Fundamental Investments, LLC | 7,318 | $631.0K | 0.01% | +7,318 | New |
| Prudential Financial Inc | 7,077 | $629.0K | 0.00% | −24,948−77.9% | Reduced |
| Natixis | 7,177 | $619.0K | 0.00% | +1,774+32.8% | Added |
| State of Wisconsin Investment Board | 7,035 | $607.0K | 0.00% | −2,470−26.0% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 7,010 | $605.0K | 0.11% | −2,513−26.4% | Reduced |
| Wolverine Trading, LLC | 6,788 | $601.0K | 0.01% | +6,788 | New |
| Cetera Investment Advisers | 6,844 | $591.0K | 0.01% | −889−11.5% | Reduced |
| Shell Asset Management Co | 6,619 | $571.0K | 0.01% | −290−4.2% | Reduced |
| Xponance, Inc. | 6,428 | $555.0K | 0.01% | −154−2.3% | Reduced |
| Los Angeles Capital Management LLC | 6,357 | $548.0K | 0.00% | −11,979−65.3% | Reduced |
| Janney Montgomery Scott LLC | 6,291 | $542.0K | 0.00% | −6,235−49.8% | Reduced |
| Point72 Hong Kong Ltd | 6,211 | $536.0K | 0.04% | −16,004−72.0% | Reduced |
| Ontario Teachers Pension Plan Board | 6,146 | $530.0K | 0.00% | +1,892+44.5% | Added |
| Crossmark Global Holdings, Inc. | 6,110 | $527.0K | 0.01% | −30−0.5% | Reduced |
| Fma Advisory Inc | 6,035 | $521.0K | 0.19% | −300−4.7% | Reduced |
| 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 |
| Janus Henderson Group PLC | 5,989 | $517.0K | 0.00% | +5,989 | New |
| Magnetar Financial LLC | 5,675 | $490.0K | 0.00% | +5,675 | New |
| Pitcairn Co | 5,384 | $465.0K | 0.03% | +154+2.9% | Added |
| First Mercantile Trust Co | 5,345 | $461.0K | 0.06% | −449−7.7% | Reduced |
| FORA Capital, LLC | 5,309 | $458.0K | 0.12% | +5,042+1,888.4% | 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 |
| Bank of Montreal | 5,011 | $444.0K | 0.00% | +71+1.4% | Added |
| Symmetry Partners, LLC | 4,957 | $442.0K | 0.03% | +4,957 | New |
| Tributary Capital Management, LLC | 5,100 | $440.0K | 0.03% | −1,600−23.9% | Reduced |
| Securian Asset Management, Inc | 5,090 | $439.0K | 0.01% | −100−1.9% | Reduced |
| Endurance Wealth Management, Inc. | 5,046 | $435.0K | 0.05% | −75−1.5% | Reduced |
| Burney Co | 4,915 | $424.0K | 0.02% | 00.0% | Unchanged |
| Cetera Advisor Networks LLC | 4,875 | $421.0K | 0.01% | −348−6.7% | Reduced |
| IndexIQ Advisors LLC | 4,798 | $414.0K | 0.01% | +480+11.1% | Added |
| Fox Run Management, L.L.C. | 4,740 | $409.0K | 0.26% | +1,758+59.0% | Added |
| Algert Global LLC | 4,372 | $377.0K | 0.05% | +4,372 | New |
| Weil Company, Inc. | 4,326 | $373.0K | 0.19% | 00.0% | Unchanged |
| ProShare Advisors LLC | 4,207 | $363.0K | 0.00% | −464−9.9% | Reduced |
| Maverick Capital LtdSuperinvestorMaverick Capital | 4,129 | $356.0K | 0.00% | +3,674+807.5% | Added |
| Pictet Asset Management SA | 4,095 | $353.0K | 0.00% | +4,095 | New |
| Renasant Bank | 4,003 | $346.0K | 0.27% | 00.0% | Unchanged |
| Intact Investment Management Inc. | 4,000 | $345.0K | 0.01% | +4,000 | New |
| Exane Derivatives | 3,897 | $336.2K | 0.08% | −3,240−45.4% | Reduced |
| Maryland State Retirement & Pension System | 3,792 | $335.0K | 0.01% | 00.0% | Unchanged |
| Buckingham Strategic Wealth, LLC | 3,857 | $333.0K | 0.01% | 00.0% | Unchanged |
| Dorsey & Whitney Trust CO LLC | 3,795 | $327.0K | 0.03% | +410+12.1% | Added |
| Banque Cantonale Vaudoise | 3,651 | $315.0K | 0.01% | 00.0% | Unchanged |
| Horizon Investment Services, LLC | 3,485 | $301.0K | 0.15% | −6,916−66.5% | Reduced |
| Pendal Group Limited | 3,460 | $299.0K | 0.00% | +3,460 | New |
| Twin Tree Management, LP | 3,341 | $288.0K | 0.01% | −16,873−83.5% | Reduced |
| Standard Life Aberdeen plc | 3,248 | $287.0K | 0.00% | −207,657−98.5% | Reduced |
| Peapack Gladstone Financial Corp | 3,201 | $276.0K | 0.01% | 00.0% | Unchanged |
| JustInvest LLC | 3,121 | $269.0K | 0.02% | +3,121 | New |
| D.A. Davidson & Co. | 3,050 | $263.0K | 0.00% | −1,150−27.4% | Reduced |
| Moors & Cabot, Inc. | 3,010 | $263.0K | 0.02% | +1,000+49.8% | Added |
| Liberty One Investment Management, LLC | 3,036 | $262.0K | 0.04% | −103−3.3% | Reduced |
| First Hawaiian Bank | 2,992 | $258.0K | 0.01% | 00.0% | Unchanged |
| Profund Advisors LLC | 2,939 | $254.0K | 0.01% | −603−17.0% | Reduced |
| KBC Group NV | 2,905 | $251.0K | 0.00% | 00.0% | Unchanged |
| Utah Retirement Systems | 2,900 | $250.0K | 0.00% | 00.0% | Unchanged |
| Banco Santander, S.A. | 2,801 | $242.0K | 0.00% | +2,801 | New |
| Stephens Inc | 2,794 | $241.0K | 0.00% | +100+3.7% | Added |
| CIBC Asset Management Inc | 2,785 | $240.0K | 0.00% | +162+6.2% | Added |
| Wintrust Investments LLC | 2,750 | $237.0K | 0.03% | +2,750 | New |
| Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P. | 2,700 | $233.0K | 0.04% | 00.0% | Unchanged |
| World Asset Management Inc | 2,674 | $231.0K | 0.02% | −120−4.3% | Reduced |
| Lincoln National Corp | 2,627 | $227.0K | 0.00% | +130+5.2% | Added |
| Henshaw Capital LLC | 2,618 | $225.9K | 0.01% | 00.0% | Unchanged |
| Moneta Group Investment Advisors LLC | 2,596 | $224.0K | 0.01% | −5−0.2% | Reduced |
| Wedbush Securities Inc | 2,504 | $216.0K | 0.01% | −207−7.6% | Reduced |
| Migdal Insurance & Financial Holdings Ltd. | 2,503 | $216.0K | 0.00% | +2,503 | New |
| Simplex Trading, LLC | 2,003 | $213.0K | 0.01% | −100−4.8% | Reduced |
| State of Wyoming | 2,038 | $176.0K | 0.11% | +908+80.4% | Added |