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MTZIndustrialsCommon Stock

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

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In plain English: 13 of the investors we track own this stock. In the latest quarter, 6 of them bought more of it and 7 sold some or all of theirs (3 bought it for the first time). That tells you what they did last quarter — not what the stock will do next.

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

Managers holding
13
+2 vs last quarter (like-for-like)
Total value held
$1.14B
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.5%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
-$120.30M
-9.7% vs last quarter
Net shares bought
-1.2M
Est. net flow -$456.90M
Quarter activity
6 bought · 7 sold
3 new · 1 sold out

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).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns MTZ?

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Who owns MTZ? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# 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

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Manager Fund Shares sold Value last quarter ↓
Ken Griffin Citadel Advisors -279.8K $90.02M

Politician trades

Politician trades in MTZ

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

No politician trades match these filters.