Question 1

How many shares of ONTO does FIRST MANHATTAN CO. LLC. own?

Accepted Answer

As of 2026-Q1, FIRST MANHATTAN CO. LLC. holds 20,751 shares of ONTO (ONTO INNOVATION INC).

Question 2

What is FIRST MANHATTAN CO. LLC.'s ONTO position worth?

Accepted Answer

As of 2026-Q1, FIRST MANHATTAN CO. LLC.'s ONTO position is worth $4.3M.

Question 3

Is FIRST MANHATTAN CO. LLC. buying or selling ONTO?

Accepted Answer

In 2026-Q1, FIRST MANHATTAN CO. LLC. decreased their ONTO position (-9.8% change in shares).

Question 4

When did FIRST MANHATTAN CO. LLC. first buy ONTO?

Accepted Answer

Based on available 13F filings, FIRST MANHATTAN CO. LLC. first reported a position in ONTO in 2026-Q1. They have held the position across 26 quarters.