Calamos Advisors LLC

Position in STRL — Sterling Infrastructure, Inc.

CIK 1316507 NAPERVILLE, IL

Position in STRL

as of Jun 30, 2026 · filed Jul 31, 2026 Compact

Position Value

$11,973,469

+$6,923,729 QoQ

Shares Held

14,265

+15.0% QoQ

Ownership

0.047%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

#162

of 884 holders

Holding Since

Mar 2023

14 quarters on record

Voting authority Sole 98% Shared 0% None 2%

Industrials · as of Jun 30, 2026

Calamos Advisors LLC holds $120,720,327 across 8 Engineering & Construction names. STRL ranks #3 (9.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
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. This page	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	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

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$11,973,469	14,265	+15.0%	Shares	Sole	2026-07-31
2026-03-31	$5,049,740	12,399	+8.3%	Shares	Other	2026-05-04
2025-12-31	$3,507,251	11,453	-26.2%	Shares	Other	2026-01-29
2025-09-30	$5,273,191	15,524	+9.5%	Shares	Sole	2025-10-20
2025-06-30	$3,271,981	14,181	+96.6%	Shares	Sole	2025-08-08
2025-03-31	$816,696	7,214	-83.5%	Shares	Sole	2025-04-29
2024-12-31	$7,349,977	43,633	-9.8%	Shares	Other	2025-01-24
2024-09-30	$7,018,822	48,399	+8.9%	Shares	Other	2024-11-07
2024-06-30	$5,259,028	44,440	-1.7%	Shares	Other	2024-07-25
2024-03-31	$4,989,320	45,230	-29.4%	Shares	Other	2024-05-08
2023-12-31	$5,635,696	64,093	-19.6%	Shares	Other	2024-01-31
2023-09-30	$5,856,208	79,698	-5.1%	Shares	Sole	2023-10-26
2023-06-30	$4,687,198	84,000	+162.0%	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.