SummitTX Capital, L.P.

Position in ONTO — Onto Innovation Inc.

CIK 2052310 FORT WORTH, TX

Position in ONTO

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$24,877,032

+$19,781,863 QoQ

Shares Held

65,734

+164.6% QoQ

Ownership

0.134%

of shares outstanding

% of Portfolio

0.67%

of 13F equity value

Holder Rank

#112

of 686 holders

Holding Since

Dec 2025

3 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

SummitTX Capital, L.P. holds $127,089,359 across 5 Semiconductor Equipment & Materials names. ONTO ranks #3 (19.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASML	Asml Holding NV	26,839	$53,394,577
2	AMAT	Applied Materials Inc /De	59,729	$43,184,067
3	ONTO	Onto Innovation Inc. This page	65,734	$24,877,032
4	VECO	Veeco Instruments Inc	50,000	$3,790,000
5	AMKR	Amkor Technology, Inc.	21,381	$1,843,683

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$24,877,032	65,734	+164.6%	Shares	Sole	2026-08-14
2026-03-31	$5,095,169	24,846	-74.3%	Shares	Sole	2026-05-15
2025-12-31	$15,254,485	96,633	—	Shares	Sole	2026-02-17
No filing history on record for this holder in this stock.