MASTEC INC

$MTZ
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Smart money positioned

19 of the Top-200 alpha managers hold $MTZ as of the latest 13F snapshot.

13F holders
16
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

19 holders · Q1 2026

$MTZ is held by 19 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 1.59%, with an average of 0.21% of portfolio. Largest holder: Hel Ved Capital Management Ltd at 1.59%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

01
Hel Ved Capital Management Ltd
1.59% held
α +36.9pts
02
Medina Value Partners, LLC
1.59% held
α +36.9pts
03
Nisa Investment Advisors, LLC
0.21% held
α +16.6pts
04
Toews Corp.
0.15% NEW
α +11.9pts
05
Courier Capital LLC
0.09% held
α +14.9pts

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 16 · Source: 13F-HR
01
Vanguard Group Inc.
0.02% of portfolio
5,932,754 sh
02
State Street
0.02% of portfolio
1,869,788 sh
03
Lone Pine Capital LLC
3.93% of portfolio
1,531,050 sh
04
Coatue Management LLC
0.65% of portfolio
583,597 sh
05
Third Point
4.94% of portfolio
320,000 sh
06
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.02% of portfolio
316,149 sh
07
Citadel
0.06% of portfolio
279,778 sh
08
Two Sigma
0.03% of portfolio
100,326 sh
09
Citigroup Inc.
0.01% of portfolio
55,184 sh
10
Erste Asset Management GmbH
0.14% of portfolio
40,715 sh
See all 16 13F holders · Pro →

Insider activity · last 90 days

47 transactions · 12 filers
03 Jun 2026
Csiszar Ernst N —
▼ SOLD
6,500
$371.17
S
15 May 2026
Csiszar Ernst N —
· F
23
$434.77
F
15 May 2026
Csiszar Ernst N —
· GRANT
104
—
A
15 May 2026
Dwyer Robert J —
· F
21
$434.77
F
15 May 2026
Dwyer Robert J —
· GRANT
95
—
A
15 May 2026
Parker Ava L —
· F
14
$434.77
F
15 May 2026
Parker Ava L —
· GRANT
121
—
A
15 May 2026
Campbell C Robert —
· GRANT
95
—
A
15 May 2026
Johnson Julia L —
· GRANT
95
—
A
15 May 2026
Palomarez Javier Alberto —
· F
21
$434.77
F
15 May 2026
Palomarez Javier Alberto —
· GRANT
95
—
A
04 May 2026
Campbell C Robert —
▼ SOLD
3,000
$417.00
S

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

3 disclosures · STOCK Act
Lisa McClain
House · Michigan · Traded Oct 30
SOLD
$MTZMasTec, Inc. Common Stock
$1K–$15K
Nov 21STOCK
Lisa McClain
House · Michigan · Traded Oct 30
BOUGHT
$MTZMasTec, Inc. Common Stock
$1K–$15K
Nov 21STOCK
Lisa McClain
House · Michigan · Traded Oct 31
SOLD
$MTZMasTec, Inc. Common Stock
$1K–$15K
Nov 21STOCK

Convergence · $MTZ

Pattern cards reflect public SEC EDGAR and Congressional filing data only. Detection uses filing dates; trade execution dates may differ. Past convergence patterns do not predict future returns. Nothing here is investment advice.

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 13:49 UTC.