Position in MTZ
as of Mar 31, 2026
· filed May 4, 2026
Position Value
$4,352,176
+$2,256,512 QoQ
Shares Held
13,527
+40.3% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 93%
Shared 0%
None 7%
Common Shares in MTZ Over Time
Shares Held
Position Value (USD)
Position in Engineering & Construction
Industrials · as of Mar 31, 2026Calamos Advisors LLC holds $89,565,905 across 8 Engineering & Construction names. MTZ ranks #5 (4.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PWR |
Quanta Services, Inc.
|
108,501 | $59,569,219 | |
| 2 | FIX |
Comfort Systems USA Inc
|
6,106 | $8,420,112 | |
| 3 | J |
Jacobs Solutions Inc.
|
44,088 | $5,611,520 | |
| 4 | STRL |
Sterling Infrastructure, Inc.
|
12,399 | $5,049,740 | |
| 5 | MTZ |
Mastec Inc
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|
13,527 | $4,352,176 | |
| 6 | AGX |
Argan Inc
|
6,258 | $3,408,418 | |
| 7 | BLD |
QXO Insulation, LLC
|
8,585 | $3,015,910 | |
| 8 | ESOA |
Energy Services of America CORP
|
10,572 | $138,810 |
All Filings in MTZ
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||