Position in ONTO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$20,862,181
+$1,505,862 QoQ
Shares Held
101,732
-17.0% QoQ
Ownership
0.207%
of shares outstanding
% of Portfolio
3.35%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ONTO Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026Alta Park Capital, LP holds $157,253,938 across 3 Semiconductor Equipment & Materials names.
All Filings in ONTO
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $20,862,181 | 101,732 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $19,356,319 | 122,617 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $16,296,192 | 126,112 | Shares | Sole | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||