SEC 13F Intelligence

Granahan Investment Management, LLC / ONTO

Granahan Investment Management, LLC’s Onto Innovation Inc Position

Does Granahan Investment Management, LLC own Onto Innovation Inc (ONTO)? Yes — 198.7K shares worth $41M (+1.97% of its 13F portfolio) as of Q1 2026, up from 196.6K shares the prior filed quarter.

Position Value
$41M
Q1 2026
Shares
198.7K
% of Portfolio
+1.97%
Quarters Held
26
currently held

Position History ONTO

Reported value by quarter
Q4 ’19: $10MQ4 ’19Q1 ’20: $8MQ2 ’20: $9MQ3 ’20: $8MQ4 ’20: $3MQ4 ’20Q1 ’21: $4MQ2 ’21: $7MQ3 ’21: $6MQ4 ’21: $8MQ4 ’21Q1 ’22: $7MQ2 ’22: $6MQ3 ’22: $6MQ4 ’22: $7MQ4 ’22Q1 ’23: $9MQ2 ’23: $11MQ3 ’23: $9MQ4 ’23: $9MQ4 ’23Q1 ’24: $8MQ2 ’24: $6MQ3 ’24: $5MQ4 ’24: $4MQ4 ’24Q1 ’25: $7MQ2 ’25: $3MQ3 ’25: $10MQ4 ’25: $31MQ4 ’25Q1 ’26: $41Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 2026198.7K$41M+1.97%
Q4 2025196.6K$31M+1.33%
Q3 202574.1K$10M+0.39%
Q2 202533.8K$3M+0.14%
Q1 202557.1K$7M+0.35%
Q4 202426.7K$4M+0.19%
Q3 202424.4K$5M+0.20%
Q2 202426.9K$6M+0.24%
Q1 202445.2K$8M+0.29%
Q4 202358.2K$9M+0.29%
Q3 202374.4K$9M+0.34%
Q2 202392.5K$11M+0.33%
Q1 2023106.8K$9M+0.29%
Q4 2022110.1K$7M+0.23%
Q3 202292.7K$6M+0.19%
Q2 202284.5K$6M+0.20%
Q1 202285.8K$7M+0.19%
Q4 202183.7K$8M+0.17%
Q3 202189.0K$6M+0.12%
Q2 202189.3K$7M+0.12%
Q1 202159.9K$4M+0.08%
Q4 202058.2K$3M+0.06%
Q3 2020264.0K$8M+0.27%
Q2 2020267.1K$9M+0.33%
Q1 2020264.3K$8M+0.42%
Q4 2019262.6K$10M+0.44%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Granahan Investment Management, LLC’s full portfolio or all institutional holders of ONTO.