Mastec Inc
MTZ- Exchange
- NYSE
- Industry
- Water, Sewer, Pipeline, Comm & Power Line Construction
- SEC CIK
- 0000015615
In the last 90 days, Mastec Inc insiders filed 0 open-market purchases and 1 sale; 915 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.
Key figures
- Market capClose on Nov 10, 2026
- $14.5B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $72.7K in total
- 1
- 13F holdersQ2 2026, +109 vs. previous quarter
- 915
- 13F valueReported value at the end of Q2 2026
- $24.7B
- Superinvestors holdingAt the end of Q2 2026
- 4
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $14.3B
- +16.2% year over year
- Net income, FY2025
- $399.0M
- +145.1% year over year
- Free cash flow, FY2025
- $285.7M
- −70.6% year over year
- Revenue, Q3 FY2026
- $5.15B
- +29.9% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 15, 2026.
- Short interest
- 4.47M
- Shares sold short
- Change
- −120.6K
- −2.6% vs. previous
- Days to cover
- 3.19
- At average daily volume
Superinvestors holding MTZ, Q2 2026
Go to the superinvestors tab4 superinvestors report holding Mastec Inc on Form 13F. Percentages are the stock's share of each portfolio.
| Superinvestor | Weight | Value |
|---|---|---|
| Third Point | 2.6% | $120.7M |
| Soros Fund Management | <0.1% | $3.44M |
Latest insider trades
See all insider tradesOpen-market purchases and sales by Mastec Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 4, 2026 (view filing)4:30 PM ET | Nov 2 | 2 days | Love Timothy MichaelCAO | SSale | −366 | $198.52 | −$72.7K | −3.6%9.93K after | 10b5-1 |
| Jun 5, 2026 (view filing) | Jun 3 | 2 days | Csiszar Ernst NDirector | SSale | −6.50K | $371.17 | −$2.41M | −37.5%10.8K after | |
| May 6, 2026 (view filing) | May 4 | 2 days | Campbell C RobertDirector | SSale | −3.00K | $417.00 | −$1.25M | −8.9%30.6K after | |
| Mar 27, 2026 (view filing) | Mar 25 | 2 days | Palomarez Javier AlbertoDirector | SSale | −950 | $325.43 | −$309.2K | −8.2%10.6K after | |
| Mar 5, 2026 (view filing) | Mar 3 | 2 days | Csiszar Ernst NDirector | SSale | −6.50K | $300.40 | −$1.95M | −27.4%17.2K after | |
| Nov 5, 2025 (view filing) | Nov 3 | 2 days | Love Timothy MichaelCAO | SSale | −1.93K | $206.15 | −$397.7K | −16.5%9.76K after | |
| Oct 1, 2025 (view filing) | Sep 29 | 2 days | Campbell C RobertDirector | SSale | −2.00K | $210.39 | −$420.8K | −5.7%33.3K after | |
| Sep 22, 2025 (view filing) | Sep 18 | 4 days | Apple Robert ECOO | SSale | −10.0K | $200.44 | −$2.00M | −5.1%184.2K after | 2 lots10b5-1 |
| Sep 16, 2025 (view filing) | Sep 11 | 5 daysLate | Campbell C RobertDirector | SSale | −3.00K | $190.39 | −$571.2K | −7.8%35.3K after | |
| Aug 7, 2025 (view filing) | Aug 5 | 2 days | de Cardenas AlbertoEVP, General Counsel | SSale | −10.0K | $180.70 | −$1.81M | −9.0%101.3K after | 2 lots |
Top 10 13F holders, Q2 2026
See all 915 holdersThe largest institutional positions in Mastec Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7,638,487 | $3.18B | 0.05% | +328,878+4.5% | Added |
| Peconic Partners LLC | 3,678,431 | $1.53B | 20.35% | +100,000+2.8% | Added |
| Vanguard Capital Management LLC | 2,831,849 | $1.18B | 0.03% | +27,554+1.0% | Added |
| Vanguard Portfolio Management LLC | 2,812,131 | $1.17B | 0.05% | +42,093+1.5% | Added |
| State Street Corp | 2,244,771 | $934.0M | 0.03% | +374,983+20.1% | Added |
| Hill City Capital, LP | 2,155,000 | $896.6M | 20.94% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,318,161 | $566.8M | 0.03% | +1,116,159+552.5% | Added |
| Lone Pine Capital LLCSuperinvestorLone Pine Capital | 1,345,157 | $559.7M | 3.42% | −185,893−12.1% | Reduced |
| Bank of America Corp | 1,335,924 | $555.8M | 0.04% | +5,858+0.4% | Added |
| First Trust Advisors LP | 1,328,399 | $552.7M | 0.33% | −83,185−5.9% | Reduced |
Holders of 5% or more of MTZ
See all 3 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Mastec Inc.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Mas Jorge | 13D/A | 14.80%11.9M shares | −0.20 ppfrom 15.00% | Jan 13, 20234 filings | Aug 13, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 8.10%6.40M shares | +1.30 ppfrom 6.80% | Feb 5, 20253 filings | Jul 29, 2026 | SEC |
| Mas Jose Ramon | 13D/A | 7.70%6.19M shares | −0.10 ppfrom 7.80% | Jan 13, 20234 filings | Aug 13, 2026 | SEC |
Politician trades
All politician trades in MTZ3 members of Congress reported 11 trades in Mastec Inc since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Sep 12, 2026 |  Thomas H. Kean, Jr. House · NJ | Buy | $1K-$15K |
| Mar 2, 2026 |  Markwayne Mullin Senate · OK | Sell (full) | $15K-$50K |
| Jan 13, 2026 | Markwayne Mullin Senate · OK | Sell (full) | $15K-$50K |
| Jan 13, 2026 | Markwayne Mullin Senate · OK | Sell (full) | $15K-$50K |
| Nov 21, 2025 |  Lisa C. McClain House · MI | Sell | $1K-$15K |
House · NJ · Sep 12, 2026
Buy$1K-$15K
Senate · OK · Mar 2, 2026
Sell (full)$15K-$50K
Senate · OK · Jan 13, 2026
Sell (full)$15K-$50K
Senate · OK · Jan 13, 2026
Sell (full)$15K-$50K
House · MI · Nov 21, 2025
Sell$1K-$15K