Onto Innovation Inc. (ONTO) Institutional Ownership & Insider Trading

687 institutions reported holding Onto Innovation Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 2 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

ONTOOnto Innovation Inc.Follow ONTO — free

Semiconductor Equipment & Materials · Technology

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Market cap: 9.8B
P/E TTM: 74.7
Dividend yield: —
52-week: —
Next earnings: 9 Nov, in 16 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

687 institutions held 99.5% of the shares. Across filers that reported both quarters, shares held changed +0.3%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	687	49	+0.3%	183	148	214	41
Mar 26	569	48	+2.5%	182	111	164	31
Dec 25	485	48	-1.3%	146	66	153	64
Sep 25	462	48	-2.3%	139	87	127	59
Jun 25	440	49	+5.0%	137	70	141	91
Mar 25	462	46	-0.1%	158	50	145	105
Dec 24	508	47	-4.7%	156	60	170	69
Sep 24	511	46	-5.0%	182	72	160	60

Onto Innovation Inc. — questions

Who owns Onto Innovation Inc. stock?: 687 institutions reported Onto Innovation Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (11.2%), VANGUARD PORTFOLIO MANAGEMENT LLC (5.6%), VANGUARD CAPITAL MANAGEMENT LLC (4.6%).
Are Onto Innovation Inc. insiders buying or selling?: 2 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Onto Innovation Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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