Calamos Advisors LLC

Position in KEYS — Keysight Technologies, Inc.

CIK 1316507 NAPERVILLE, IL

Position in KEYS

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

Position Value

$18,878,925

+$3,368,059 QoQ

Shares Held

53,929

-1.8% QoQ

Ownership

0.032%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

#216

of 1,242 holders

Holding Since

Mar 2020

7 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

Calamos Advisors LLC holds $34,137,821 across 3 Scientific & Technical Instruments names. KEYS ranks #1 (55.3% of the industry book) .

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

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$18,878,925	53,929	-1.8%	Shares	Sole	2026-07-31
2026-03-31	$15,510,866	54,931	0.0%	Shares	Sole	2026-05-04
2025-12-31	$11,161,429	54,931	-3.9%	Shares	Sole	2026-01-29
2025-09-30	$9,998,602	57,161	+19.5%	Shares	Sole	2025-10-20
2025-06-30	$7,839,553	47,843	+1.8%	Shares	Sole	2025-08-08
2025-03-31	$7,039,190	47,000	+785.1%	Shares	Sole	2025-04-29
2020-03-31	$444,340	5,310	—	Shares	Sole	2020-04-28
No filing history on record for this holder in this stock.