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Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

ONTO holding history

Onto Innovation Inc. in every 13F filed by Castleark Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ONTO overviewAll 13F holders of ONTOFull Q2 2026 holdings

Shares (Q2 2026)
0
Sold out in Q2 2026
Value
$0
% of portfolio
0.0%
Quarters held
7
Since Q2 2023
Holdings of ONTO by Castleark Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20260$00.0%−29,030−100.0%Sold outHolders
Q1 202629,030$5.95M0.2%−13,940−32.4%ReducedHolders
Q4 202542,970$6.78M0.2%+42,970NewHolders
Q3 20240$00.0%−26,780−100.0%Sold outHolders
Q2 202426,780$5.88M0.2%−13,960−34.3%ReducedHolders
Q1 202440,740$7.38M0.3%−10,050−19.8%ReducedHolders
Q4 202350,790$7.77M0.3%−50−0.1%ReducedHolders
Q3 202350,840$6.48M0.3%+13,180+35.0%AddedHolders
Q2 202337,660$4.39M0.2%+37,660NewHolders