ARDSLEY ADVISORY PARTNERS LP's ownership history for ONTO

ARDSLEY ADVISORY PARTNERS LP currently holds 43.5K shares with a market value of $6.9M. It started holding ONTO on 2024-09-30. At its peak, it held 43.5K shares on 2025-12-31. Its highest holding value was $6.9M on 2025-12-31. At its lowest, it held 19.9K shares on 2024-09-30, with a value of $3.6M on 2024-12-31. In the recent 180 days, ARDSLEY ADVISORY PARTNERS LP has increased its shares by 22.1K.

It has also owned 150 contracts of calls, with the market value of the underlying securities totaling $2.4M on 2024-12-31. At its peak, it held 150 contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $2.4M on 2025-12-31. At its lowest, it held 50 contracts of calls on 2024-12-31 and it owned calls with the market value of the underlying securities totaling $833.4K on 2024-12-31.