Mastec Inc
Held by 13 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 576323109 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide
Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer
Tracked capital in this stock
Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).
Aggregate buying and selling
Net share change reported each quarter
Who owns MTZ?
Who added and who trimmed · Q2 2026
Estimated dollar change per manager (change in shares × this quarter's price). Click a bar to open the manager.
Who owns MTZ? — Q2 2026
Holders ranked by position size, with each one's quarter-over-quarter change.
Column filters
| # | Manager | Fund | Shares | Value ↓ | % of their portfolio | QoQ | Δ shares | Δ shares % | Est. Δ value ⓘChange in shares × this quarter's price |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Stephen Mandel | Lone Pine Capital | 1.35M | $559.67M | 3.4% | Reduced | -185.9K | -12.1% | -$77.34M |
| 2 | Philippe Laffont | Coatue Management | 517.25K | $215.21M | 0.4% | Reduced | -66.3K | -11.4% | -$27.60M |
| 3 | Dan Loeb | Third Point | 290.00K | $120.66M | 2.6% | Reduced | -30.0K | -9.4% | -$12.48M |
| 4 | David Shaw | D.E. Shaw & Co. | 180.24K | $74.99M | 0.0% | Added | +126.9K | +237.8% | +$52.79M |
| 5 | Steve Cohen | Point72 Asset Management | 156.31K | $65.03M | 0.1% | Reduced | -276.7K | -63.9% | -$115.14M |
| 6 | Two Sigma | Two Sigma Investments | 125.07K | $52.04M | 0.0% | Added | +24.7K | +24.7% | +$10.29M |
| 7 | Norges Bank | Norges Bank Investment Management | 55.57K | $23.12M | 0.0% | — | — | — | — |
| 8 | Israel Englander | Millennium Management | 43.90K | $18.26M | 0.0% | Reduced | -459.3K | -91.3% | -$191.10M |
| 9 | George Soros | Soros Fund Management | 8.28K | $3.44M | 0.0% | Added | +4.3K | +110.5% | +$1.81M |
| 10 | Ray Dalio | Bridgewater Associates | 6.97K | $2.90M | 0.0% | Reduced | -33.2K | -82.6% | -$13.80M |
| 11 | Bridgeway | Bridgeway Capital Management | 6.64K | $2.76M | 0.0% | New | +6.6K | — | +$2.76M |
| 12 | Fred Alger | Fred Alger Management | 6.20K | $2.58M | 0.0% | New | +6.2K | — | +$2.58M |
| 13 | Jeremy Grantham | GMO | 847 | $352.40K | 0.0% | New | +847 | — | +$352.40K |
Column filters
| Manager | Fund | Shares sold | Value last quarter ↓ |
|---|---|---|---|
| Ken Griffin | Citadel Advisors | -279.8K | $90.02M |
Politician trades
Column filters
| Politician | Date | Ticker | Asset | Type | Reported range ⓘThe dollar range the politician reported. Exact amounts are not disclosed. | Est. size ⓘOur estimate only: the midpoint of the reported range. | Owner | Account ⓘSubholding Of: the account the trade was in, as named on the report (e.g. an IRA or a brokerage account). The same stock bought on the same day in different accounts is a separate trade in each account. | Filed ↓ | Filing delay ⓘDays between the trade and the report. Over 45 days is late under the STOCK Act. | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thomas H. Kean, Jr. Politician | Aug 21, 2026 | MTZ | MasTec, Inc. Common Stock (MTZ) [ST] | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | Kean Family Partnership | Sep 12, 2026 | 22 days | PTR ↗ |
| Lisa McClain Politician | Oct 31, 2025 | MTZ | MasTec, Inc. Common Stock (MTZ) [ST] | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | Charles Schwab 401K > Schwab 893 | Nov 21, 2025 | 21 days | PTR ↗ |
| Lisa McClain Politician | Oct 30, 2025 | MTZ | MasTec, Inc. Common Stock (MTZ) [ST] | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | Charles Schwab 401K > Schwab 893 | Nov 21, 2025 | 22 days | PTR ↗ |
| Lisa McClain Politician | Oct 30, 2025 | MTZ | MasTec, Inc. Common Stock (MTZ) [ST] | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | Charles Schwab Brokerage Account 924 | Nov 21, 2025 | 22 days | PTR ↗ |
| Lisa McClain Politician | Jun 11, 2025 | MTZ | MasTec, Inc. Common Stock (MTZ) [ST] | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | Charles Schwab Brokerage Account 924 | Aug 13, 2025 | 63 days Late | PTR ↗ |