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Michael P. Plisinski owns 0.37% of Onto Innovation

179,242 shares as of the March 3, 2026 filing, worth $39.6M at the latest close.

ONTO · $10.8B market cap
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Free.
The stake
0.37%
worth $39.6M at the latest close
Stake rank
#831
by dollar value of the stake
Last sale
636 days ago
Jan 21, 2025
Last buy
None
no purchases since 2020

Michael P. Plisinski owns 0.37% of ONTO INNOVATION INC.: 179,242 of 49,074,247 shares, worth about $39.6M at the 2026-10-16 close. The stake has moved from 1.20% in 2019 to 0.37% on 2026-07-31, across 9 sales and 0 purchases that moved it since 2016. The last trade that moved it was a planned sale of $7.7M on 2025-01-21.

How the stake is held

as of the Mar 3, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Mar 3, 2026 · Form 4 ↗
HELD DIRECTLY
179,242
100.0%
THE STAKE
179,242
0.37%