Ardsley Advisory Partners’s Onto Innovation ONTO Stock Holding History
Bought
Maintained
Sold
Other funds holding ONTO
PCMI
Ardsley Advisory Partners's ONTO Position: Q2 2026 in Review
Ardsley Advisory Partners opened a new position in Onto Innovation (ONTO) in Q2 2026: 31,500 shares worth $11.9M. The stake represents 1.24% of the portfolio and ranks #22 among its holdings. This is a return to the name: Ardsley Advisory Partners previously reported a position in ONTO as recently as Q4 2025.
Ardsley Advisory Partners first reported a position in ONTO in Q2 2024 and has held it in 6 quarters since. 690 funds tracked by Wall St. Rank hold ONTO as of Q2 2026.
- Ardsley Advisory Partners held 31,500 shares of Onto Innovation worth $11.9M as of Q2 2026.
- Onto Innovation was a new Ardsley Advisory Partners position in Q2 2026.
- Onto Innovation made up 1.24% of Ardsley Advisory Partners's portfolio in Q2 2026, its #22 holding.
- Ardsley Advisory Partners first reported a position in Onto Innovation in Q2 2024 and has held it in 6 quarters since.
- 690 funds tracked by Wall St. Rank held Onto Innovation as of Q2 2026.
Based on Ardsley Advisory Partners's 13F filing for Q2 2026, filed 13 Jul 2026.