MTZ at a glance
Mastec Inc (MTZ, SEC CIK 15615) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on July 30, 2026, an 8-K current report on August 17, 2026 and Form 4 insider filings as recently as August 18, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), Mastec Inc (MTZ) reported revenue of $14.3 billion (up 16.2% from FY2024) and net income of $399.0 million. Diluted EPS was $5.07.
- As of June 30, 2026, 41 institutional investment managers tracked by SignalX reported holding Mastec Inc (MTZ) shares worth $11.0 billion in 13F-HR filings.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $14.3B
- +16.2% vs prior year
- Insiders · 90 days
- 0 buys · 0 sells
- No open-market trades
- 13F holders
- 41 funds
- $11.0B · +1 vs prior quarter
- Latest 10-Q
- Jul 30, 2026
- Quarterly report
SignalX for MTZ
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- Fund moves. Which tracked funds opened, added or cut MTZ, by share count.
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Spiro Alex | A | Aug 14, 2026 | 139 | - |
| Parker Ava L | A | Aug 14, 2026 | 177 | - |
| Parker Ava L | F | Aug 14, 2026 | 20 | $297.59 |
| Campbell C Robert | A | Aug 14, 2026 | 139 | - |
| Csiszar Ernst N | A | Aug 14, 2026 | 152 | - |
| Csiszar Ernst N | F | Aug 14, 2026 | 34 | $297.59 |
| Dwyer Robert J | A | Aug 14, 2026 | 139 | - |
| Miranda Manuel Benito | A | Aug 14, 2026 | 152 | - |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 | |
|---|---|---|---|---|
| Profitability | ||||
| Revenue | $12.0B | $12.3B | $14.3B | |
| Net Income | -$49.9M | $162.8M | $399.0M | |
| Net Margin | -0.4% | 1.3% | 2.8% | |
| Balance Sheet | ||||
| Total Assets | $9.4B | $9.0B | $9.9B | |
| Equity | $2.7B | $2.9B | $3.3B | |
| ROE | -1.8% | 5.6% | 12.2% | |
| Per Share | ||||
| EPS | $-0.64 | $2.06 | $5.07 | |
| Cash Flow | ||||
| Operating CF | $687.3M | $1.1B | $545.7M | |
Source: XBRL data in Mastec Inc (MTZ)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate MTZ share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 41 | $10.95B |
| Q1 2026 | 40 | $7.71B |
| Q4 2025 | 37 | $5.57B |
| Q3 2025 | 35 | $5.59B |
| Q2 2025 | 35 | $4.61B |
| Q1 2025 | 28 | $2.10B |
| Q4 2024 | 25 | $2.22B |
| Q3 2024 | 18 | $1.28B |
- JPMorgan Chase & Co+1.12M (+553%)
- Ameriprise Financial+503.2K (+217%)
- State Street Corp+375.0K (+20%)
- BlackRock+328.9K (+4%)
- FMR LLC (Fidelity)+262.2K (+42%)
- Millennium Management−459.3K (-91%)
- Dimensional Fund Advisors−95.4K (-13%)
- Raymond James Financial−66.5K (-29%)
- Bridgewater Associates LP−33.2K (-83%)
- Third Point LLC−30.0K (-9%)
- Citadel Advisors LLC−279.8K
Source: 13F-HR filings on SEC EDGAR (aggregated from 259 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
MTZ filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
8-K current reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
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MTZ SEC filings: frequently asked questions
Which institutions hold MTZ stock?
As of June 30, 2026, the largest Mastec Inc (MTZ) holders among the 13F filers tracked by SignalX were BlackRock ($3.2 billion), Vanguard Capital Management LLC ($1.2 billion), Vanguard Portfolio Management LLC ($1.2 billion), State Street Corp ($934.0 million), JPMorgan Chase & Co ($566.8 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What was MTZ's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), Mastec Inc (MTZ) reported revenue of $14.3 billion (up 16.2% from FY2024) and net income of $399.0 million. Diluted EPS was $5.07. The figures come from the XBRL data in the 10-K.
What are the latest MTZ SEC filings?
Mastec Inc (MTZ) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on July 30, 2026, an 8-K current report on August 17, 2026 and a Form 4 insider filing on August 18, 2026.
What is MTZ's SEC CIK number?
Mastec Inc (MTZ)'s SEC Central Index Key (CIK) is 15615. EDGAR lists every MTZ filing under that number.
Ask anything about MTZ
The research agent reads MTZ's filings, financials, insider trades and 13F holders, then answers with sources.