Stocks / ONTO / Shares Outstanding

Onto Innovation Inc. Shares Outstanding 2010–2025

Onto Innovation Inc. reported 49.7M of shares outstanding for fiscal 2025. That was 0.9% higher than fiscal 2024. Compared with fiscal 2020, the change was +1.9%. A rising share count can dilute per-share ownership; the filings should be checked for issuance and stock-compensation details.

Latest filed value
49.7M
One-year change
+0.9%
Change since 2020
+1.9%
Latest period end
2025-12-31
Onto Innovation Inc. Shares Outstanding history from 2010 to 2025FY 2010: 0FY 2011: 22314783FY 2011: 23182771FY 2012: 23250429FY 2013: 23537275FY 2014: 23813729FY 2015: 24224286FY 2016: 25070889FY 2017: 24628722FY 2018: 24855000FY 2019: 50184000FY 2020: 48758000FY 2022: 49300000FY 2022: 48684000FY 2023: 49086000FY 2024: 49238000FY 2025: 49702000
Annual filed history. Hover chart points for raw values; the accessible table below is the source of record.
Fiscal yearShares OutstandingChange (YoY)
FY 202549.7M+0.9%
FY 202449.2M+0.3%
FY 202349.1M+0.8%
FY 202248.7M-1.2%
FY 202249.3M+1.1%
FY 202048.8M-2.8%
FY 201950.2M+101.9%
FY 201824.9M+0.9%
FY 201724.6M-1.8%
FY 201625.1M+3.5%
FY 201524.2M+1.7%
FY 201423.8M+1.2%
FY 201323.5M+1.2%
FY 201223.3M+0.3%
FY 201123.2M+3.9%
FY 201122.3M
FY 20100.0M

Source: Onto Innovation Inc. SEC filings — balance sheet (10-K), split-adjusted. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open ONTO 10-K filings at SEC EDGAR · Methodology · Download CSV.

How to read this history

Onto Innovation Inc. reported 49.7M of shares outstanding for fiscal 2025. That was 0.9% higher than fiscal 2024. Compared with fiscal 2020, the change was +1.9%. A rising share count can dilute per-share ownership; the filings should be checked for issuance and stock-compensation details. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.

Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.

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Onto Innovation Inc. — frequently asked questions

What is Onto Innovation Inc.'s shares outstanding?

Onto Innovation Inc. (ONTO) reported shares outstanding of 49.7M for fiscal year 2025, per its SEC filings.

Where does this data come from?

Figures are computed from Onto Innovation Inc.'s official SEC filings (balance sheet (10-K), split-adjusted), refreshed nightly. Not investment advice.

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