KORNITZER CAPITAL MANAGEMENT INC /KS ONTO — ONTO INNOVATION

Ownership history in KORNITZER CAPITAL MANAGEMENT INC /KS  ·  5 quarters on record

AI Ownership Summary

KORNITZER CAPITAL MANAGEMENT INC /KS reported ONTO INNOVATION (ONTO) in 5 quarterly 13F filings from 2025 Q1 through 2026 Q1. Peak portfolio weight reached 0.29% in 2026 Q1. The latest visible filing shows ONTO at 0.29% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this ONTO ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was KORNITZER CAPITAL MANAGEMENT INC /KS's position in ONTO INNOVATION, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

ONTO was reported at 0.29% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.29% in 2026 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2025 Q1 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

ONTO stock page KORNITZER CAPITAL MANAGEMENT INC /KS fund profile KORNITZER CAPITAL MANAGEMENT INC /KS full holdings
How KORNITZER CAPITAL MANAGEMENT INC /KS held ONTO — position size vs. price
% of Fund (quarterly)    ONTO price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 5 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 64,645 +29,000 +81.4% 0.29% $13.3M 2026-04-30 $295.06
2025 Q4 UNCHANGED — — — 35,645 — 0% 0.12% $5.6M 2026-02-02 $202.43
2025 Q3 UNCHANGED — — — 35,645 — 0% 0.09% $4.6M 2025-10-31 $134.96
2025 Q2 UNCHANGED — — — 35,645 — 0% 0.07% $3.6M 2025-07-31 $94.75
2025 Q1 INITIATED — — — 35,645 — — 0.09% $4.3M 2025-05-02 $127.10

🏢 Other funds also holding ONTO

As of 2026 Q2 — sorted by position size

TT International Asset Management LTD 3Y 11.75% Taylor Frigon Capital Management LLC 3Y 7Y 1.83% Pekao Towarzystwo Funduszy Inwestycyjnych S.A. 1.71% Mitsubishi UFJ Asset Management (UK) Ltd. 3Y 7Y 1.49% ARDSLEY ADVISORY PARTNERS LP 3Y 7Y 1.24% TICINO WEALTH 1.07% Mizuho Markets Cayman LP 3Y 1.04% Robeco Schweiz AG 3Y 7Y 0.89% Capstone Capital Management Ltd 0.75% Artemis Investment Management LLP 3Y 7Y 0.63%

FAQ About KORNITZER CAPITAL MANAGEMENT INC /KS and ONTO

These are the practical questions this page is built to answer before you even open the full history table.

How long has KORNITZER CAPITAL MANAGEMENT INC /KS reported owning ONTO?

KORNITZER CAPITAL MANAGEMENT INC /KS reported ONTO across 5 quarterly 13F filings, from 2025 Q1 through 2026 Q1.

What was the largest reported ONTO position in KORNITZER CAPITAL MANAGEMENT INC /KS's portfolio?

The largest reported portfolio weight for ONTO was 0.29% in 2026 Q1.

What is the latest reported ONTO position on this page?

The most recent filing on this page is 2026 Q1, when KORNITZER CAPITAL MANAGEMENT INC /KS reported 64,645 shares, equal to 0.29% of portfolio, with an estimated market value of $13.3M.

What does the chart on this ONTO ownership page compare?

The chart compares KORNITZER CAPITAL MANAGEMENT INC /KS's quarterly ONTO portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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