MastecMTZ
13F holders, Q2 2026 (June 30)911holders +100
171new positions
74sold out
11famous investors
$415.77avg. 13F price*
At the end of Q2 2026, 911 institutions reported holding Mastec Inc. (MTZ) in their 13F filings, up 100 from Q1 2026. 171 opened new positions and 74 sold out. The largest holders were BlackRock, Inc. ($3.2B), Peconic Partners LLC ($1.5B) and Vanguard Capital Management LLC ($1.2B). 11 famous investors held it, including Stephen Mandel (3.4% of Lone Pine Capital's portfolio), Dan Loeb (2.6% of Third Point's portfolio) and Philippe Laffont (0.4% of Coatue Management's portfolio).
- Company
- Mastec Inc.
- CUSIP
- 576323109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 171 | $691.1M |
| Exits | 74 | $288.0M |
All 13F filers, Q1 2026 → Q2 2026: 7,983,511 shares bought and 6,585,842 shares sold, net +1,397,669 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 911 holders
| BlackRock, Inc. | 0.05% | Add +4.5% | 7,638,487 | $3.2B |
| Peconic Partners LLC | 20.35% | Add +2.8% | 3,678,431 | $1.5B |
| Vanguard Capital Management LLC | 0.03% | Add +1.0% | 2,831,849 | $1.2B |
| Vanguard Portfolio Management LLC | 0.05% | Add +1.5% | 2,812,131 | $1.2B |
| State Street Corp. | 0.03% | Add +20.1% | 2,244,771 | $934.0M |
| Hill City Capital, LP | 20.94% | No change | 2,155,000 | $896.6M |
| JPMorgan Chase & Co. | 0.03% | Add +552.5% | 1,318,161 | $566.8M |
| Lone Pine Capital | 3.42% | Reduce -12.1% | 1,345,157 | $559.7M |
| Bank of America Corp. | 0.04% | Add +0.4% | 1,335,924 | $555.8M |
| First Trust Advisors LP | 0.33% | Reduce -5.9% | 1,328,399 | $552.7M |
| Geode Capital Management, LLC | 0.03% | Reduce -6.8% | 1,278,139 | $530.4M |
| Invesco Ltd. | 0.04% | Add +1.3% | 1,241,384 | $516.5M |
| Victory Capital Management Inc. | 0.28% | Reduce -24.0% | 1,210,079 | $503.5M |
| Hood River Capital Management LLC | 3.54% | Reduce -9.4% | 1,173,918 | $488.4M |
| FMR LLC | 0.02% | Add +41.8% | 890,103 | $370.3M |
| Ameriprise Financial Inc. | 0.06% | Add +217.1% | 734,976 | $305.8M |
| Bank of New York Mellon Corp | 0.05% | Add +2.8% | 674,288 | $280.5M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.33% | Add +9.2% | 660,440 | $274.8M |
| AQR Capital Management | 0.10% | Reduce -0.4% | 657,603 | $273.6M |
| Morgan Stanley | 0.01% | Add +11.4% | 653,503 | $271.9M |
| Dimensional Fund Advisors LP | 0.05% | Reduce -13.0% | 636,286 | $264.8M |
| Electron Capital Partners, LLC | 10.30% | Reduce -13.0% | 620,190 | $258.0M |
| Canada Pension Plan Investment Board | 0.14% | Reduce -3.0% | 619,910 | $257.9M |
| T. Rowe Price Investment Management, Inc. | 0.16% | New | 593,724 | $247.0M |
| Charles Schwab Investment Management Inc. | 0.03% | Add +7.8% | 551,319 | $229.4M |
| Goldman Sachs Group Inc. | 0.02% | Add +14.4% | 542,636 | $225.8M |
| Nordea Investment Management AB | 0.18% | Reduce -27.8% | 529,463 | $225.5M |
| Northern Trust Corp. | 0.03% | Add +9.5% | 517,643 | $215.4M |
| Coatue Management | 0.44% | Reduce -11.4% | 517,250 | $215.2M |
| UBS Group AG | 0.03% | Add +33.8% | 509,843 | $212.1M |
| BNP Paribas Financial Markets | 0.10% | Add +39.3% | 436,602 | $181.7M |
| Qube Research & Technologies Ltd | 0.19% | Reduce -15.7% | 409,202 | $170.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.03% | Add +27.7% | 403,709 | $168.0M |
| Vanguard Fiduciary Trust Co. | 0.04% | Add +4.0% | 399,194 | $166.1M |
| Amundi | 0.04% | Add +132.6% | 399,102 | $166.1M |
| Westfield Capital Management Co. LP | 0.51% | Add +49.8% | 374,457 | $155.8M |
| Anomaly Capital Management, LP | 4.88% | Add +36.7% | 306,921 | $127.7M |
| Third Point | 2.64% | Reduce -9.4% | 290,000 | $120.7M |
| T. Rowe Price Associates Inc. | 0.01% | Add +364.5% | 282,436 | $117.5M |
| 140 Summer Partners LP | 9.04% | Reduce -18.5% | 268,168 | $111.6M |
| Forest Avenue Capital Management LP | 4.34% | Reduce -7.9% | 248,627 | $103.4M |
| Freestone Grove Partners LP | 0.67% | Add +11.9% | 246,593 | $102.6M |
| Bessemer Group Inc. | 0.13% | Reduce -0.6% | 230,471 | $95.9M |
| Clearbridge Investments, LLC | 0.08% | New | 218,591 | $90.9M |
| Federated Hermes, Inc. | 0.13% | Add +110.5% | 216,660 | $90.1M |
| Hennessy Advisors Inc. | 2.73% | No change | 205,100 | $85.3M |
| Merewether Investment Management, LP | 1.49% | Reduce -14.7% | 190,236 | $79.1M |
| Nuveen, LLC | 0.02% | Add +17.0% | 189,055 | $78.7M |
| Rhumbline Advisers | 0.06% | Add +12.2% | 188,673 | $78.5M |
| Legal & General Group Plc | 0.02% | Add +98.0% | 181,874 | $75.7M |
| D. E. Shaw & Co. | 0.05% | Add +237.8% | 180,243 | $75.0M |
| Swiss National Bank | 0.04% | Add +36.7% | 172,280 | $71.7M |
| Bowen Hanes & Co. Inc. | 1.69% | No change | 215,465 | $69.3M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Reduce -26.8% | 166,345 | $69.2M |
| Raymond James Financial Inc. | 0.02% | Reduce -28.7% | 165,376 | $68.8M |
| Point72 Asset Management | 0.10% | Reduce -63.9% | 156,309 | $65.0M |
| OP Asset Management Ltd | 0.69% | Reduce -15.5% | 154,952 | $64.5M |
| Gotham Asset Management | 0.15% | Reduce -11.2% | 151,587 | $63.1M |
| Tortoise Capital Advisors, L.L.C. | 0.61% | Add +683.7% | 143,731 | $59.8M |
| Country Trust Bank | 1.03% | Add +7.5% | 141,500 | $58.9M |
| Principal Financial Group Inc. | 0.03% | Add +1.5% | 139,227 | $57.9M |
| Quantinno Capital Management LP | 0.07% | Add +62.3% | 136,950 | $57.0M |
| Lord, Abbett & Co. LLC | 0.17% | Reduce -25.7% | 136,849 | $56.9M |
| Newbrook Capital Advisors LP | 7.55% | Add +19.0% | 134,430 | $55.9M |
| Kirr Marbach & Co. LLC | 9.37% | Reduce -16.5% | 133,726 | $55.6M |
| Acadian Asset Management LLC | 0.07% | Add +3134.7% | 132,007 | $54.9M |
| Hillman Co. | 19.27% | Reduce -9.5% | 130,909 | $54.5M |
| Assenagon Asset Management S.A. | 0.07% | Reduce -49.4% | 129,199 | $53.8M |
| California Public Employees Retirement System | 0.03% | Add +8.9% | 126,663 | $52.7M |
| Vontobel Holding Ltd. | 0.17% | Reduce -30.6% | 125,301 | $52.1M |
| Two Sigma Investments, LP | 0.04% | Add +24.7% | 125,069 | $52.0M |
| Sumitomo Mitsui Trust Group, Inc. | 0.03% | Add +1270.0% | 124,282 | $51.7M |
| Legacy Advisors, LLC | 4.83% | Add +32.2% | 124,181 | $51.7M |
| Wells Fargo & Company | 0.01% | Add +2.0% | 119,416 | $49.7M |
| Deutsche Bank AG | 0.01% | Add +80.0% | 118,727 | $49.4M |
| Sei Investments Co. | 0.04% | Add +30.9% | 116,639 | $48.5M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.07% | Add +614.0% | 112,100 | $46.6M |
| Barclays PLC | 0.01% | Add +64.8% | 108,074 | $45.0M |
| Goodlander Investment Management, LLC | 13.19% | Reduce -27.6% | 105,000 | $43.7M |
| Envestnet Asset Management Inc. | 0.01% | Add +9.7% | 103,679 | $43.1M |
| Samlyn Capital, LLC | 0.69% | Reduce -27.1% | 100,636 | $41.9M |
| Jennison Associates LLC | 0.02% | Reduce -5.8% | 93,701 | $39.0M |
| LPL Financial LLC | 0.01% | Add +15.4% | 93,274 | $38.8M |
| Royal Bank of Canada | 0.01% | Add +32.9% | 91,680 | $38.1M |
| KBC Group NV | 0.08% | Add +4524.1% | 91,187 | $37.9M |
| California State Teachers Retirement System | 0.03% | Add +22.5% | 89,451 | $37.2M |
| Maplelane Capital, LLC | 1.55% | New | 88,800 | $36.9M |
| ThornTree Capital Partners LP | 5.00% | Reduce -22.1% | 87,828 | $36.5M |
| HSBC Holdings PLC | 0.02% | Add +48.2% | 86,514 | $35.9M |
| LGT Group Foundation | 0.40% | Add +5.1% | 85,310 | $35.5M |
| Zimmer Partners, LP | 0.84% | New | 85,000 | $35.4M |
| CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT | 1.54% | Add +16.8% | 82,800 | $34.4M |
| Citigroup Inc. | 0.02% | Add +42.3% | 78,536 | $32.7M |
| Community Trust & Investment Co. | 1.58% | Reduce -32.9% | 73,763 | $30.7M |
| Schroder Investment Management Group | 0.02% | Reduce -49.8% | 72,508 | $30.2M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.02% | Add +44063.1% | 70,661 | $29.4M |
| Webs Creek Capital Management LP | 5.52% | Reduce -31.0% | 70,080 | $29.2M |
| Russell Investments Group, Ltd. | 0.03% | Reduce -8.1% | 68,776 | $28.6M |
| SG Americas Securities, LLC | 0.02% | Reduce -51.0% | 68,058 | $28.3M |
| Tidal Investments LLC | 0.07% | Add +114.9% | 67,844 | $28.2M |
"% of holder's portfolio" is MTZ's weight in each manager's 13F, not the share of Mastec Inc. the manager owns.