Calamos Advisors LLC

Position in ESE — Esco Technologies Inc

CIK 1316507 NAPERVILLE, IL

Position in ESE

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

Position Value

$2,526,588

-$261,225 QoQ

Shares Held

7,218

-27.1% QoQ

Ownership

0.028%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#157

of 447 holders

Holding Since

Jun 2025

5 quarters on record

Voting authority Sole 98% Shared 0% None 2%

Technology · as of Jun 30, 2026

Calamos Advisors LLC holds $34,137,821 across 3 Scientific & Technical Instruments names. ESE ranks #3 (7.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KEYS	Keysight Technologies, Inc.	53,929	$18,878,925
2	COHR	Coherent Corp.	32,277	$12,732,308
3	ESE	Esco Technologies Inc This page	7,218	$2,526,588

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,526,588	7,218	-27.1%	Shares	Other	2026-07-31
2026-03-31	$2,787,813	9,908	+259.2%	Shares	Other	2026-05-04
2025-12-31	$538,885	2,758	-55.8%	Shares	Sole	2026-01-29
2025-09-30	$1,317,748	6,242	-52.2%	Shares	Other	2025-10-20
2025-06-30	$2,503,327	13,047	—	Shares	Other	2025-08-08
No filing history on record for this holder in this stock.