Position in MTZ
as of Jun 30, 2026
· filed Jul 31, 2026
Position Value
$3,529,020
-$823,156 QoQ
Shares Held
8,482
-37.3% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#312
of 911 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 97%
Shared 0%
None 3%
Common Shares in MTZ Over Time
Shares Held
Position Value (USD)
Position in Engineering & Construction
Industrials · as of Jun 30, 2026Calamos Advisors LLC holds $120,720,327 across 8 Engineering & Construction names. MTZ ranks #6 (2.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PWR |
Quanta Services, Inc.
|
111,284 | $80,128,931 | |
| 2 | FIX |
Comfort Systems USA Inc
|
6,176 | $12,240,523 | |
| 3 | STRL |
Sterling Infrastructure, Inc.
|
14,265 | $11,973,469 | |
| 4 | J |
Jacobs Solutions Inc.
|
56,700 | $7,144,200 | |
| 5 | AGX |
Argan Inc
|
6,150 | $4,911,081 | |
| 6 | MTZ |
Mastec Inc
This page
|
8,482 | $3,529,020 | |
| 7 | ESOA |
Energy Services of America CORP
|
29,158 | $563,915 | |
| 8 | CDNL |
Cardinal Infrastructure Group Inc.
|
2,433 | $229,188 |
All Filings in MTZ
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,529,020 | 8,482 | Shares | Sole | 2026-07-31 | |
| 2026-03-31 | $4,352,176 | 13,527 | Shares | Sole | 2026-05-04 | |
| 2025-12-31 | $2,095,664 | 9,641 | Shares | Sole | 2026-01-29 | |
| 2025-09-30 | $2,051,701 | 9,641 | Shares | Sole | 2025-10-20 | |
| No filing history on record for this holder in this stock. | ||||||