Calamos Advisors LLC

Position in AMPX — Amprius Technologies, Inc.

CIK 1316507 NAPERVILLE, IL

Position in AMPX

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

Position Value

$1,305,029

-$4,840,541 QoQ

Shares Held

94,158

-74.2% QoQ

Ownership

0.064%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#101

of 259 holders

Holding Since

Sep 2025

4 quarters on record

Voting authority Sole 98% Shared 0% None 2%

Industrials · as of Jun 30, 2026

Calamos Advisors LLC holds $14,209,606 across 5 Electrical Equipment & Parts names. AMPX ranks #4 (9.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HUBB	Hubbell Inc	8,129	$4,253,092
2	BE	Bloom Energy Corp	13,951	$4,222,967
3	AEIS	Advanced Energy Industries Inc	10,699	$3,989,335
4	AMPX	Amprius Technologies, Inc. This page	94,158	$1,305,029
5	ELVA	Electrovaya Inc.	41,827	$439,183

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,305,029	94,158	-74.2%	Shares	Sole	2026-07-31
2026-03-31	$6,145,570	364,506	+206.2%	Shares	Other	2026-05-04
2025-12-31	$939,169	119,033	-30.4%	Shares	Sole	2026-01-29
2025-09-30	$1,799,466	171,052	—	Shares	Sole	2025-10-20
No filing history on record for this holder in this stock.