§ SEMICONDUCTORS
USD · SemiconductorsONTO
ONTO INNOVATION INC
USDSector · SemiconductorsBeta · 1.50
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
OPEN 315.94HIGH 315.94LOW 306.3752W 85.88 — 232.49
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
381 increased/new, 243 decreased/exited (13F)
AC 13F Analysis
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 78.3 | P/B | 4.21 |
| EPS (TTM) | 2.78 |
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 5.5M | 0.0% | +12% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.7M | n/a | n/a |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.2M | n/a | n/a |
| State Street | 1.5M | 0.0% | +3% |
| Geode Capital Management | 1.2M | 0.0% | +7% |
| Point72 | 1.2M | 0.3% | +213% |
◇ AC INTELLIGENCE
Top institutional owners for ONTO as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER50.3% · 437 holders
PASSIVE / INDEX17.2% · 12 holders
QUALITY / COMPOUNDER15.0% · 31 holders
DEALER / BANK10.8% · 43 holders
INCOME / DEFENSIVE2.5% · 30 holders
SYSTEMATIC / QUANT2.3% · 13 holders
TACTICAL / MACRO2.1% · 5 holders
ACTIVIST1.5% · 1 holder
DEEP VALUE0.9% · 4 holders
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for ONTO in the last 180 days.