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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, Q4 2021

Institutional positions in Mastec Inc as of Dec 31, 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
388
+27 vs. Q3 2021
Shares held
51.8M
−643.0K (−1.2%) vs. Q3 2021
Total value
$4.77B
+$247.1M (+5.5%) vs. Q3 2021
New holders
76
102 more added
Sold out
49
143 more reduced

5 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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.

Institutional holdersQ4 2021: 388 institutions
Q1 2021: 392 institutionsQ2 2021: 415 institutionsQ3 2021: 366 institutionsQ4 2021: 388 institutionsQ1 2022: 388 institutionsQ2 2022: 356 institutionsQ3 2022: 338 institutionsQ4 2022: 386 institutionsQ1 2023: 394 institutionsQ2 2023: 393 institutionsQ3 2023: 382 institutionsQ4 2023: 368 institutionsQ1 2024: 382 institutionsQ2 2024: 430 institutionsQ3 2024: 470 institutionsQ4 2024: 532 institutionsQ1 2025: 523 institutionsQ2 2025: 594 institutionsQ3 2025: 652 institutionsQ4 2025: 695 institutionsQ1 2026: 811 institutionsQ2 2026: 911 institutions
Value heldQ4 2021: $4.77B
Q1 2021: $5.59BQ2 2021: $5.77BQ3 2021: $4.53BQ4 2021: $4.77BQ1 2022: $4.70BQ2 2022: $3.91BQ3 2022: $3.53BQ4 2022: $4.97BQ1 2023: $5.49BQ2 2023: $6.85BQ3 2023: $4.11BQ4 2023: $4.66BQ1 2024: $5.51BQ2 2024: $6.35BQ3 2024: $7.09BQ4 2024: $7.83BQ1 2025: $6.56BQ2 2025: $9.50BQ3 2025: $12.2BQ4 2025: $12.8BQ1 2026: $18.6BQ2 2026: $24.7B
Institutions holding MTZ and their total value by quarter
QuarterHoldersValue
Q2 2026911$24.7B
Q1 2026811$18.6B
Q4 2025695$12.8B
Q3 2025652$12.2B
Q2 2025594$9.50B
Q1 2025523$6.56B
Q4 2024532$7.83B
Q3 2024470$7.09B
Q2 2024430$6.35B
Q1 2024382$5.51B
Q4 2023368$4.66B
Q3 2023382$4.11B
Q2 2023393$6.85B
Q1 2023394$5.49B
Q4 2022386$4.97B
Q3 2022338$3.53B
Q2 2022356$3.91B
Q1 2022388$4.70B
Q4 2021388$4.77B
Q3 2021366$4.53B
Q2 2021415$5.77B
Q1 2021392$5.59B

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q3 2021.

Institutions holding MTZ in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
First National Bank of Omaha64,619$5.96M0.29%−3,044−4.5%Reduced
Deutsche Bank AG65,993$6.09M0.00%−12,159−15.6%Reduced
Appian Way Asset Management LP69,802$6.44M2.78%+69,802New
First Washington CORP70,337$6.49M2.51%−63−0.1%Reduced
Smith, Graham & Co., Investment Advisors, LP70,856$6.54M0.65%−1,030−1.4%Reduced
Foundry Partners, LLC73,925$6.82M0.24%−4,757−6.0%Reduced
California State Teachers Retirement System81,375$7.51M0.01%−16,160−16.6%Reduced
Legal & General Group Plc81,763$7.54M0.00%−1,299−1.6%Reduced
Cartenna Capital, LP82,500$7.61M2.88%+82,500New
Picton Mahoney Asset Management86,321$7.97M0.29%+17,820+26.0%Added
Parametric Portfolio Associates LLC93,412$8.62M0.00%+511+0.6%Added
Raymond James & Associates96,175$8.88M0.01%+62,129+182.5%Added
New York State Common Retirement Fund96,635$8.92M0.01%+4,044+4.4%Added
American International Group, Inc.96,745$8.93M0.04%−1,793−1.8%Reduced
Balyasny Asset Management LLC97,512$9.00M0.04%−10,659−9.9%Reduced
Carmignac Gestion97,721$9.02M0.13%00.0%Unchanged
Manufacturers Life Insurance Company, The98,866$9.12M0.01%−10,033−9.2%Reduced
Scopus Asset Management, L.P.99,206$9.15M0.27%+5,733+6.1%Added
Rheos Capital Works Inc.100,000$9.23M0.40%00.0%Unchanged
Community Trust & Investment Co106,813$9.86M0.76%−215−0.2%Reduced
Rockefeller Capital Management L.P.108,123$9.98M0.05%+15,985+17.3%Added
Billings Capital Management, LLC112,693$10.4M13.11%+28,283+33.5%Added
AQR Capital Management LLC114,673$10.6M0.02%−37,150−24.5%Reduced
Daiwa Securities Group Inc.118,200$10.9M0.06%+40,600+52.3%Added
SG Capital Management LLC118,409$10.9M4.14%+118,409New
California Public Employees Retirement System120,374$11.1M0.01%−9,409−7.2%Reduced
Millennium Management LLC125,081$11.5M0.01%−397,418−76.1%Reduced
South Street Advisors LLC125,348$11.6M2.03%−11,037−8.1%Reduced
Alliancebernstein L.P.126,251$11.7M0.00%−4,475−3.4%Reduced
Muhlenkamp & Co Inc128,539$11.9M4.13%−95−0.1%Reduced
Swiss National Bank130,900$12.1M0.01%−500−0.4%Reduced
DekaBank Deutsche Girozentrale132,883$12.2M0.03%+18,883+16.6%Added
LSV Asset Management135,520$12.5M0.02%−811,432−85.7%Reduced
Squarepoint Ops LLC136,824$12.6M0.06%+58,916+75.6%Added
Zacks Investment Management142,968$13.2M0.19%+2,818+2.0%Added
Country Trust Bank149,880$13.8M0.38%+149,880New
Bragg Financial Advisors, Inc169,230$14.6M0.94%00.0%Unchanged
Rhumbline Advisers158,467$14.6M0.02%−3,410−2.1%Reduced
Allianz Asset Management GmbH158,794$14.7M0.01%−9,432−5.6%Reduced
Retirement Systems of Alabama164,407$15.2M0.05%+4,391+2.7%Added
Man Group plc165,128$15.2M0.05%−4,008−2.4%Reduced
UBS Group AG174,386$16.1M0.01%+65,878+60.7%Added
Agf Investments Inc.180,147$16.6M0.12%+370.0%Added
Kirr Marbach & Co LLC181,257$16.7M4.42%−3,426−1.9%Reduced
Nuveen Asset Management, LLC187,787$17.3M0.01%+16,253+9.5%Added
Handelsinvest Investeringsforvaltning190,000$17.5M1.78%+70,000+58.3%Added
Principal Financial Group Inc194,361$17.9M0.01%−3,368−1.7%Reduced
Truist Financial Corp224,239$20.7M0.03%−23,187−9.4%Reduced
UBS Oconnor LLC231,118$21.3M0.21%+67,883+41.6%Added
Bruni J V & Co234,807$21.7M2.67%+2,490+1.1%Added
Glenmede Trust Co NA251,266$23.2M0.11%−1,536−0.6%Reduced
Citadel Advisors LLC265,787$24.5M0.03%−593,317−69.1%Reduced
Marshall Wace, LLP277,285$25.6M0.05%+277,285New
Candriam Luxembourg S.C.A.292,960$27.0M0.17%−16,233−5.3%Reduced
Invesco Ltd.311,139$28.7M0.01%−72,794−19.0%Reduced
Credit Suisse AG321,972$29.7M0.02%−42,721−11.7%Reduced
Morgan Stanley323,167$29.8M0.00%−174,930−35.1%Reduced
UBS Asset Management Americas Inc370,766$34.2M0.01%+6,635+1.8%Added
DnB Asset Management AS381,432$35.2M0.21%00.0%Unchanged
First Trust Advisors LP418,194$38.6M0.04%+123,695+42.0%Added
Bank of America Corp423,982$39.1M0.00%+22,845+5.7%Added
Wells Fargo & Company434,659$40.1M0.01%−2,308,831−84.2%Reduced
Mirae Asset Global Investments Co., Ltd.443,586$40.9M0.09%+71,731+19.3%Added
Northern Trust Corp455,059$42.0M0.01%−36,167−7.4%Reduced
JPMorgan Chase & Co485,723$44.8M0.01%−24,752−4.8%Reduced
Charles Schwab Investment Management Inc514,368$47.5M0.01%+40,845+8.6%Added
Bank of New York Mellon Corp539,517$49.8M0.01%−18,078−3.2%Reduced
Kornitzer Capital Management Inc540,345$49.9M0.74%+38,070+7.6%Added
Norges Bank542,238$50.0M0.01%00.0%Unchanged
American Century Companies Inc557,304$51.4M0.03%+220,511+65.5%Added
Pzena Investment Management LLC668,374$61.7M0.23%+11,414+1.7%Added
Handelsbanken Fonder AB704,800$65.0M0.32%+173,900+32.8%Added
Geode Capital Management, LLC717,627$66.2M0.01%+20,618+3.0%Added
Electron Capital Partners, LLC790,225$72.9M3.88%−53,337−6.3%Reduced
Fuller & Thaler Asset Management, Inc.832,041$76.8M0.45%+22,253+2.7%Added
Goldman Sachs Group Inc894,753$82.6M0.02%+230,953+34.8%Added
Hood River Capital Management LLC900,490$83.1M2.49%+71,516+8.6%Added
FMR LLC1,083,117$100.0M0.01%−1,284,533−54.3%Reduced
Frontier Capital Management Co LLC1,226,194$113.2M0.89%+207,185+20.3%Added
Peconic Partners LLC1,419,139$131.0M10.53%+560,000+65.2%Added
State Street Corp1,438,553$132.8M0.01%+25,110+1.8%Added
Ameriprise Financial Inc1,821,644$168.1M0.05%+1,586,843+675.8%Added
Allspring Global Investments Holdings, LLC2,506,378$231.3M0.26%+2,506,378New
Macquarie Group Ltd2,526,052$233.1M0.19%−479,748−16.0%Reduced
Nordea Investment Management AB2,594,778$239.3M0.29%+240,833+10.2%Added
Dimensional Fund Advisors LP2,658,409$245.3M0.07%−188,073−6.6%Reduced
Vanguard Group Inc5,071,835$468.0M0.01%−44,732−0.9%Reduced
BlackRock Inc.5,481,959$505.9M0.01%+265,159+5.1%Added
Renaissance Technologies LLC0$00.00%−254,700−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−191,041−100.0%Sold out
Two Sigma Investments, LP0$00.00%−137,540−100.0%Sold out
Nomura Holdings Inc0$00.00%−114,900−100.0%Sold out
Moore Capital Management, LP0$00.00%−108,460−100.0%Sold out
Brookfield Asset Management Inc.0$00.00%−60,084−100.0%Sold out
Leuthold Group, LLC0$00.00%−48,769−100.0%Sold out
Gilder Gagnon Howe & Co LLC0$00.00%−39,882−100.0%Sold out
Livforsakringsbolaget Skandia, Omsesidigt0$00.00%−37,700−100.0%Sold out
Weiss Multi-Strategy Advisers LLC0$00.00%−28,575−100.0%Sold out
Spouting Rock Asset Management, LLC0$00.00%−25,657−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−23,800−100.0%Sold out