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 2025
Institutional positions in Mastec Inc as of Dec 31, 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
- 695
- +54 vs. Q3 2025
- Shares held
- 58.7M
- +1.58M (+2.8%) vs. Q3 2025
- Total value
- $12.8B
- +$615.7M (+5.1%) vs. Q3 2025
- New holders
- 121
- 241 more added
- Sold out
- 67
- 227 more reduced
11 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HighTower Advisors, LLC | 7,178 | $1.56M | 0.00% | +350+5.1% | Added |
| Legato Capital Management LLC | 7,154 | $1.56M | 0.13% | +384+5.7% | Added |
| Neuberger Berman Group LLC | 7,150 | $1.55M | 0.00% | +793+12.5% | Added |
| NLB Skladi, upravljanje premozenja, d.o.o. | 7,000 | $1.52M | 0.07% | +7,000 | New |
| Chung Wu Investment Group, LLC | 6,985 | $1.52M | 1.24% | +370+5.6% | Added |
| Engineers Gate Manager LP | 6,850 | $1.49M | 0.02% | −12,297−64.2% | Reduced |
| JustInvest LLC | 6,741 | $1.47M | 0.01% | +861+14.6% | Added |
| Rockefeller Capital Management L.P. | 6,707 | $1.46M | 0.00% | +2,750+69.5% | Added |
| Chicago Capital, LLC | 6,621 | $1.44M | 0.04% | +4,340+190.3% | Added |
| Voya Investment Management LLC | 6,599 | $1.43M | 0.00% | −22,135−77.0% | Reduced |
| Los Angeles Capital Management LLC | 6,474 | $1.39M | 0.00% | −21,433−76.8% | Reduced |
| Arcadia Investment Management Corp | 6,349 | $1.38M | 0.22% | +5,057+391.4% | Added |
| Keating Financial Advisory Services, Inc. | 6,255 | $1.36M | 0.18% | +6,255 | New |
| D.A. Davidson & Co. | 6,217 | $1.35M | 0.01% | −1,106−15.1% | Reduced |
| Summit Trail Advisors, LLC | 6,206 | $1.35M | 0.02% | −530−7.9% | Reduced |
| Quantbot Technologies LP | 6,170 | $1.34M | 0.04% | +1,653+36.6% | Added |
| State of Alaska, Department of Revenue | 6,078 | $1.32M | 0.01% | −505−7.7% | Reduced |
| Hudson Bay Capital Management LP | 6,063 | $1.32M | 0.01% | +6,063 | New |
| Linden Thomas Advisory Services, LLC | 6,037 | $1.31M | 0.13% | −52−0.9% | Reduced |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 6,000 | $1.30M | 0.64% | +6,000 | New |
| Williamson Legacy Group, LLC | 5,961 | $1.30M | 1.01% | +52+0.9% | Added |
| IHT Wealth Management, LLC | 5,938 | $1.29M | 0.03% | −28−0.5% | Reduced |
| New York Life Investment Management LLC | 5,755 | $1.25M | 0.01% | −657−10.2% | Reduced |
| Venture Visionary Partners LLC | 5,752 | $1.25M | 0.04% | +3,430+147.7% | Added |
| Kestra Investment Management, LLC | 5,703 | $1.24M | 0.03% | +153+2.8% | Added |
| Merit Financial Group, LLC | 5,679 | $1.23M | 0.01% | +374+7.0% | Added |
| KRS Capital Management, LLC | 5,461 | $1.19M | 0.68% | +235+4.5% | Added |
| Y-Intercept (Hong Kong) Ltd | 5,432 | $1.18M | 0.03% | +5,432 | New |
| Quadrant Capital Group LLC | 5,334 | $1.16M | 0.04% | +77+1.5% | Added |
| Private Advisor Group, LLC | 5,299 | $1.15M | 0.01% | −2,799−34.6% | Reduced |
| Public Employees Retirement Association of Colorado | 5,295 | $1.15M | 0.00% | 00.0% | Unchanged |
| M&T Bank Corp | 5,271 | $1.15M | 0.00% | +2,453+87.0% | Added |
| Altshuler Shaham Ltd | 5,240 | $1.14M | 0.02% | +219+4.4% | Added |
| Ethic Inc. | 5,234 | $1.14M | 0.02% | +5,234 | New |
| Blue Line Capital, LLC | 5,194 | $1.13M | 1.34% | +5,194 | New |
| Diametric Capital, LP | 5,121 | $1.11M | 0.30% | +4,094+398.6% | Added |
| Buckingham Strategic Partners | 5,096 | $1.11M | 0.01% | +510+11.1% | Added |
| HighVista Strategies LLC | 5,027 | $1.09M | 0.28% | −1,673−25.0% | Reduced |
| Group One Trading, L.P. | 4,877 | $1.06M | 0.03% | +2,131+77.6% | Added |
| Concurrent Investment Advisors, LLC | 4,796 | $1.04M | 0.01% | +338+7.6% | Added |
| Daymark Wealth Partners, LLC | 4,746 | $1.03M | 0.03% | +15+0.3% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 4,590 | $997.7K | 0.01% | +4,590 | New |
| Graham Capital Management, L.P. | 4,500 | $978.2K | 0.03% | +4,500 | New |
| Securian Asset Management, Inc | 4,492 | $976.4K | 0.04% | −100−2.2% | Reduced |
| Crossmark Global Holdings, Inc. | 4,457 | $968.8K | 0.01% | +187+4.4% | Added |
| Wellington Grp LLC | 4,265 | $927.1K | 0.31% | +4,265 | New |
| Arkadios Wealth Advisors | 4,219 | $917.1K | 0.02% | −170−3.9% | Reduced |
| Atria Investments LLC | 4,164 | $905.1K | 0.01% | +476+12.9% | Added |
| The PNC Financial Services Group, Inc. | 4,142 | $900.3K | 0.00% | +631+18.0% | Added |
| Virtus ETF Advisers LLC | 4,119 | $895.3K | 0.42% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 4,103 | $891.9K | 0.07% | +255+6.6% | Added |
| Advisory Services Network, LLC | 4,075 | $885.8K | 0.01% | −121−2.9% | Reduced |
| Versor Investments LP | 4,013 | $872.3K | 0.14% | +1,346+50.5% | Added |
| Park Avenue Securities LLC | 4,006 | $871.0K | 0.01% | +1,446+56.5% | Added |
| Rithm Capital Corp. | 4,000 | $869.5K | 2.02% | 00.0% | Unchanged |
| Vestmark Advisory Solutions, Inc. | 3,997 | $868.8K | 0.01% | +3,997 | New |
| Wright Investors Service Inc | 3,821 | $830.6K | 0.25% | −10−0.3% | Reduced |
| Headlands Technologies LLC | 3,731 | $811.0K | 0.07% | +3,731 | New |
| Dorsey & Whitney Trust CO LLC | 3,705 | $805.4K | 0.04% | −26−0.7% | Reduced |
| Evergreen Capital Management LLC | 3,692 | $802.5K | 0.02% | +1,009+37.6% | Added |
| Claro Advisors LLC | 3,673 | $798.4K | 0.11% | +547+17.5% | Added |
| Allianz SE | 3,624 | $787.7K | 0.01% | −317−8.0% | Reduced |
| Evolve Private Wealth, LLC | 3,620 | $786.9K | 0.05% | +3,620 | New |
| Harvest Fund Management Co., Ltd | 3,615 | $786.0K | 0.03% | +2,036+128.9% | Added |
| Supplemental Annuity Collective Trust of NJ | 3,600 | $782.5K | 0.20% | 00.0% | Unchanged |
| Jane Street Group, LLC | 3,563 | $774.5K | 0.00% | +678+23.5% | Added |
| StoneX Group Inc. | 3,502 | $761.2K | 0.03% | +167+5.0% | Added |
| Coldstream Capital Management Inc | 3,432 | $746.0K | 0.01% | −55−1.6% | Reduced |
| GWM Advisors LLC | 3,417 | $742.8K | 0.00% | +1,154+51.0% | Added |
| Chesapeake Capital Corp | 3,405 | $740.1K | 0.62% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 3,352 | $728.6K | 0.00% | +379+12.7% | Added |
| CWC Advisors, LLC. | 3,319 | $721.5K | 0.35% | −23−0.7% | Reduced |
| Utah Retirement Systems | 3,288 | $714.7K | 0.01% | 00.0% | Unchanged |
| Krilogy Financial LLC | 2,890 | $708.9K | 0.02% | +7+0.2% | Added |
| Gaddis Premier Wealth Advisors LLC | 3,248 | $706.0K | 0.54% | +3,248 | New |
| CI Private Wealth, LLC | 3,242 | $704.7K | 0.00% | +1,029+46.5% | Added |
| Ensign Peak Advisors, Inc | 3,233 | $702.8K | 0.00% | −7,950−71.1% | Reduced |
| Lido Advisors, LLC | 3,262 | $694.2K | 0.00% | +3+0.1% | Added |
| Bangor Savings Bank | 3,116 | $677.3K | 0.05% | −21−0.7% | Reduced |
| Maryland State Retirement & Pension System | 3,101 | $674.1K | 0.01% | 00.0% | Unchanged |
| Bridgefront Capital, LLC | 3,030 | $658.6K | 0.17% | −5,177−63.1% | Reduced |
| Globeflex Capital L P | 2,965 | $644.5K | 0.10% | 00.0% | Unchanged |
| Rossby Financial, LCC | 2,941 | $639.3K | 0.20% | +191+6.9% | Added |
| Custom Index Systems, LLC | 2,935 | $638.0K | 0.28% | −1,866−38.9% | Reduced |
| Cetera Trust Company, N.A | 2,935 | $638.0K | 0.34% | −100−3.3% | Reduced |
| HB Wealth Management, LLC | 2,934 | $637.8K | 0.00% | +27+0.9% | Added |
| Stratos Wealth Partners, LTD. | 2,927 | $636.4K | 0.01% | +43+1.5% | Added |
| Swiss Life Asset Management Ltd | 2,885 | $627.1K | 0.00% | +33+1.2% | Added |
| Truist Financial Corp | 2,869 | $623.6K | 0.00% | +218+8.2% | Added |
| Bessemer Group Inc | 2,836 | $617.0K | 0.00% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 2,828 | $614.7K | 0.03% | +103+3.8% | Added |
| Ameritas Advisory Services, LLC | 2,767 | $601.5K | 0.02% | +2,703+4,223.4% | Added |
| Wiley Bros.-Aintree Capital, LLC | 2,708 | $588.6K | 0.00% | +288+11.9% | Added |
| Mirabella Financial Services LLP | 2,698 | $586.5K | 0.06% | +2,698 | New |
| Intrust Bank NA | 2,691 | $584.9K | 0.05% | −199−6.9% | Reduced |
| Guggenheim Capital LLC | 2,688 | $584.3K | 0.00% | −729−21.3% | Reduced |
| GWN Securities Inc. | 2,683 | $583.2K | 0.12% | +2,683 | New |
| Reliant Investment Partners, LLC | 2,682 | $583.0K | 0.46% | −225−7.7% | Reduced |
| Tributary Capital Management, LLC | 2,650 | $576.0K | 0.06% | −665−20.1% | Reduced |
| Kera Capital Partners, Inc. | 2,377 | $571.6K | 0.07% | +324+15.8% | Added |