Position in STRL
as of Mar 31, 2026
· filed May 4, 2026
Position Value
$5,049,740
+$1,542,489 QoQ
Shares Held
12,399
+8.3% QoQ
Ownership
0.040%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2023
13 quarters on record
Voting authority
Sole 98%
Shared 0%
None 2%
Common Shares in STRL 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. STRL ranks #4 (5.6% 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.
This page
|
12,399 | $5,049,740 | |
| 5 | MTZ |
Mastec Inc
|
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 STRL
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,049,740 | 12,399 | Shares | Other | 2026-05-04 | |
| 2025-12-31 | $3,507,251 | 11,453 | Shares | Other | 2026-01-29 | |
| 2025-09-30 | $5,273,191 | 15,524 | Shares | Sole | 2025-10-20 | |
| 2025-06-30 | $3,271,981 | 14,181 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $816,696 | 7,214 | Shares | Sole | 2025-04-29 | |
| 2024-12-31 | $7,349,977 | 43,633 | Shares | Other | 2025-01-24 | |
| 2024-09-30 | $7,018,822 | 48,399 | Shares | Other | 2024-11-07 | |
| 2024-06-30 | $5,259,028 | 44,440 | Shares | Other | 2024-07-25 | |
| 2024-03-31 | $4,989,320 | 45,230 | Shares | Other | 2024-05-08 | |
| 2023-12-31 | $5,635,696 | 64,093 | Shares | Other | 2024-01-31 | |
| 2023-09-30 | $5,856,208 | 79,698 | Shares | Sole | 2023-10-26 | |
| 2023-06-30 | $4,687,198 | 84,000 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $1,214,697 | 32,067 | Shares | Other | 2023-05-04 | |
| No filing history on record for this holder in this stock. | ||||||