ONTO — ONTO INNOVATION INC

Ownership history in Monolith Management Ltd  ·  2 quarters on record

This page tracks every 13F SEC filing in which Monolith Management Ltd reported a position in ONTO INNOVATION INC (ONTO). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
5.3% (2025 Q3)
Avg. % of fund
2.71%
First filed
2025 Q3
Last filed
2025 Q4
Quarters held
2
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 2,200 -90,805 -97.6% 0.13% $347K $157.86
2025 Q3 INITIATED 93,005 — — 5.30% $12.0M $129.22
% of Fund (quarterly)    ONTO price (monthly, adj. close)

Other funds also holding ONTO

As of 2025 Q4 — sorted by position size

BRILLIANCE ASSET MANAGEMENT LTD 3Y 7Y 15.46% Andar Capital Management HK Ltd 3Y 14.74% Divisar Capital Management LLC 3Y 7Y 9.42% GUARDIAN POINT CAPITAL, LP 3Y 7Y 7.82% PARADIGM CAPITAL MANAGEMENT INC/NY 3Y 7Y 7.48% VALUE HOLDINGS MANAGEMENT CO. LLC 3Y 7Y 4.02% TANAKA CAPITAL MANAGEMENT INC 3Y 7Y 3.7% GENEVA CAPITAL MANAGEMENT LLC 3Y 7Y 2.47% Alta Park Capital, LP 3Y 7Y 2.33% SIRIOS CAPITAL MANAGEMENT L P 3Y 7Y 2.27%
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