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 2023
Institutional positions in Mastec Inc as of Dec 31, 2023. 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
- 368
- −11 vs. Q3 2023
- Shares held
- 61.6M
- +4.55M (+8.0%) vs. Q3 2023
- Total value
- $4.66B
- +$548.3M (+13.3%) vs. Q3 2023
- New holders
- 70
- 120 more added
- Sold out
- 81
- 117 more reduced
3 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pinebridge Investments, L.P. | 105,686 | $8.00M | 0.07% | +21,564+25.6% | Added |
| California Public Employees Retirement System | 113,208 | $8.57M | 0.01% | −776−0.7% | Reduced |
| Jane Street Group, LLC | 119,799 | $9.07M | 0.01% | +52,521+78.1% | Added |
| Swiss National Bank | 124,300 | $9.41M | 0.01% | −14,400−10.4% | Reduced |
| Man Group plc | 127,949 | $9.69M | 0.03% | – | – |
| Intrinsic Edge Capital Management LLC | 130,000 | $9.84M | 1.05% | +130,000 | New |
| Muhlenkamp & Co Inc | 131,009 | $9.92M | 3.24% | +1,332+1.0% | Added |
| 1060 Capital, LLC | 135,000 | $10.2M | 31.71% | +135,000 | New |
| Peregrine Capital Management LLC | 136,852 | $10.4M | 0.31% | +123,299+909.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 138,144 | $10.5M | 0.04% | −194,383−58.5% | Reduced |
| Assenagon Asset Management S.A. | 140,736 | $10.7M | 0.03% | +71,616+103.6% | Added |
| Kennedy Capital Management, Inc. | 152,073 | $11.5M | 0.25% | −55,737−26.8% | Reduced |
| Two Sigma Advisers, LP | 169,500 | $12.8M | 0.03% | +169,500 | New |
| Ameriprise Financial Inc | 170,734 | $12.9M | 0.00% | −10,248−5.7% | Reduced |
| PEAK6 Investments LLC | 171,899 | $13.0M | 0.56% | +153,307+824.6% | Added |
| Kirr Marbach & Co LLC | 174,321 | $13.2M | 3.46% | +80.0% | Added |
| Squarepoint Ops LLC | 174,971 | $13.2M | 0.05% | +97,596+126.1% | Added |
| Retirement Systems of Alabama | 183,689 | $13.9M | 0.06% | +25,534+16.1% | Added |
| Rhumbline Advisers | 185,595 | $14.1M | 0.01% | −6,295−3.3% | Reduced |
| PointState Capital LP | 188,417 | $14.3M | 0.51% | +81,945+77.0% | Added |
| Nuveen Asset Management, LLC | 194,285 | $14.7M | 0.00% | +7,067+3.8% | Added |
| Candriam Luxembourg S.C.A. | 199,022 | $15.1M | 0.10% | +5,058+2.6% | Added |
| Pzena Investment Management LLC | 201,777 | $15.3M | 0.06% | 00.0% | Unchanged |
| SEI Investments Co | 204,375 | $15.5M | 0.02% | +60,047+41.6% | Added |
| Edmond de Rothschild Holding S.A. | 220,000 | $16.7M | 0.30% | −23,617−9.7% | Reduced |
| Principal Financial Group Inc | 222,032 | $16.8M | 0.01% | −1,077−0.5% | Reduced |
| Bank of America Corp | 230,446 | $17.4M | 0.00% | −5,408−2.3% | Reduced |
| UBS Asset Management Americas Inc | 233,314 | $17.7M | 0.01% | −3,133−1.3% | Reduced |
| Community Trust & Investment Co | 235,763 | $17.9M | 1.37% | +57,570+32.3% | Added |
| Bruni J V & Co | 237,975 | $18.0M | 2.24% | +5,189+2.2% | Added |
| Swedbank AB | 280,200 | $21.2M | 0.03% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 343,040 | $26.0M | 0.02% | +18,402+5.7% | Added |
| Country Trust Bank | 354,334 | $26.8M | 0.75% | +27,086+8.3% | Added |
| Samlyn Capital, LLC | 371,287 | $28.1M | 0.61% | +371,287 | New |
| First Trust Advisors LP | 382,631 | $29.0M | 0.03% | +212,955+125.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 411,216 | $31.1M | 0.06% | −3,974−1.0% | Reduced |
| SG Capital Management LLC | 417,928 | $31.6M | 11.23% | +417,928 | New |
| Northern Trust Corp | 443,516 | $33.6M | 0.01% | +8,183+1.9% | Added |
| Bank of New York Mellon Corp | 499,880 | $37.9M | 0.01% | −37,893−7.0% | Reduced |
| DnB Asset Management AS | 499,914 | $37.9M | 0.20% | +151,345+43.4% | Added |
| Vontobel Holding Ltd. | 518,334 | $39.2M | 0.33% | +72,090+16.2% | Added |
| Morgan Stanley | 581,032 | $44.0M | 0.00% | +118,382+25.6% | Added |
| Charles Schwab Investment Management Inc | 597,747 | $45.3M | 0.01% | +25,779+4.5% | Added |
| Schroder Investment Management Group | 614,839 | $46.6M | 0.06% | +299,567+95.0% | Added |
| Norges Bank | 620,309 | $47.0M | 0.01% | +25,394+4.3% | Added |
| JPMorgan Chase & Co | 650,329 | $49.2M | 0.01% | −77,523−10.7% | Reduced |
| ACK Asset Management LLC | 772,300 | $58.5M | 7.03% | +267,300+52.9% | Added |
| Citadel Advisors LLC | 778,046 | $58.9M | 0.06% | −283,411−26.7% | Reduced |
| Marshall Wace, LLP | 785,735 | $59.5M | 0.11% | −4,162−0.5% | Reduced |
| Orbis Allan Gray Ltd | 913,029 | $69.1M | 0.43% | +414,819+83.3% | Added |
| Geode Capital Management, LLC | 942,717 | $71.4M | 0.01% | +30,695+3.4% | Added |
| Point72 Asset Management, L.P. | 1,022,700 | $77.4M | 0.23% | +502,039+96.4% | Added |
| Frontier Capital Management Co LLC | 1,041,868 | $78.9M | 0.80% | +312,991+42.9% | Added |
| Hood River Capital Management LLC | 1,132,059 | $85.7M | 2.36% | +641,171+130.6% | Added |
| Alyeska Investment Group, L.P. | 1,193,631 | $90.4M | 0.61% | +654,043+121.2% | Added |
| Millennium Management LLC | 1,274,151 | $96.5M | 0.09% | +1,043,138+451.5% | Added |
| Macquarie Group Ltd | 1,293,310 | $97.9M | 0.11% | −139,836−9.8% | Reduced |
| Legacy Advisors, LLC | 1,371,404 | $103.8M | 13.41% | +280.0% | Added |
| Dimensional Fund Advisors LP | 1,378,297 | $104.4M | 0.03% | −17,091−1.2% | Reduced |
| Electron Capital Partners, LLC | 1,725,209 | $130.6M | 6.07% | +238,874+16.1% | Added |
| State Street Corp | 1,765,121 | $133.7M | 0.01% | +66,640+3.9% | Added |
| Hill City Capital, LP | 2,070,000 | $156.7M | 13.84% | +1,135,000+121.4% | Added |
| Invesco Ltd. | 2,120,997 | $160.6M | 0.04% | +544,724+34.6% | Added |
| Alliancebernstein L.P. | 3,474,744 | $263.1M | 0.10% | +919,570+36.0% | Added |
| Allspring Global Investments Holdings, LLC | 3,496,154 | $264.7M | 0.44% | −161,913−4.4% | Reduced |
| Nordea Investment Management AB | 3,963,774 | $297.0M | 0.38% | +1,027,085+35.0% | Added |
| BlackRock Inc. | 5,425,430 | $410.8M | 0.01% | +90,787+1.7% | Added |
| Vanguard Group Inc | 5,969,314 | $452.0M | 0.01% | −8160.0% | Reduced |
| Encompass Capital Advisors LLC | 0 | $0 | 0.00% | −509,087−100.0% | Sold out |
| Peconic Partners LLC | 0 | $0 | 0.00% | −301,047−100.0% | Sold out |
| Lombard Odier Asset Management (Europe) Ltd | 0 | $0 | 0.00% | −259,703−100.0% | Sold out |
| Loomis Sayles & Co L P | 0 | $0 | 0.00% | −237,491−100.0% | Sold out |
| Arosa Capital Management LP | 0 | $0 | 0.00% | −204,392−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −198,729−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −196,295−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −151,650−100.0% | Sold out |
| Pantechnicon Advisors LLP | 0 | $0 | 0.00% | −152,000−100.0% | Sold out |
| Kornitzer Capital Management Inc | 0 | $0 | 0.00% | −139,699−100.0% | Sold out |
| CapWealth Advisors, LLC | 0 | $0 | 0.00% | −85,233−100.0% | Sold out |
| Agf Management Ltd | 0 | $0 | 0.00% | −75,977−100.0% | Sold out |
| Townsend Asset Management Corp | 0 | $0 | 0.00% | −64,137−100.0% | Sold out |
| Wilbanks Smith & Thomas Asset Management LLC | 0 | $0 | 0.00% | −53,546−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −52,444−100.0% | Sold out |
| West Coast Financial LLC | 0 | $0 | 0.00% | −51,452−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −50,435−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −43,856−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −39,882−100.0% | Sold out |
| Lombard Odier Asset Management (Switzerland) SA | 0 | $0 | 0.00% | −37,002−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −37,000−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −28,605−100.0% | Sold out |
| MBB Public Markets I LLC | 0 | $0 | 0.00% | −27,602−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −27,302−100.0% | Sold out |
| Menlo Advisors LLC | 0 | $0 | 0.00% | −26,665−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −26,295−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −25,098−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −23,328−100.0% | Sold out |
| Terra Nova Asset Management LLC | 0 | $0 | 0.00% | −14,054−100.0% | Sold out |
| Canoe Financial LP | 0 | $0 | 0.00% | −16,500−100.0% | Sold out |
| Baird Financial Group, Inc. | 0 | $0 | 0.00% | −18,869−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −17,859−100.0% | Sold out |