WASATCH ADVISORS LP

Position in ESE — Esco Technologies Inc

CIK 814133 SALT LAKE CITY, UT

Position in ESE

as of Jun 30, 2026 · filed Jul 10, 2026 Compact

Position Value

$167,209,557

+$86,103,530 QoQ

Shares Held

477,687

+65.7% QoQ

Ownership

1.84%

of shares outstanding

% of Portfolio

1.11%

of 13F equity value

Holder Rank

of 108 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 72% Shared 0% None 28%

Technology · as of Jun 30, 2026

WASATCH ADVISORS LP holds $302,025,408 across 3 Scientific & Technical Instruments names. ESE ranks #1 (55.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ESE	Esco Technologies Inc This page	477,687	$167,209,557
2	NOVT	Novanta Inc	759,992	$123,301,102
3	MLAB	Mesa Laboratories Inc /Co/	115,668	$11,514,749

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$167,209,557	477,687	+65.7%	Shares	Sole	2026-07-10
2026-03-31	$81,106,027	288,254	—	Shares	Sole	2026-04-21
No filing history on record for this holder in this stock.