What is the 13F Pro Quality Score for ONTO?

13F Pro ranks ONTO INNOVATION INC. (ONTO) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View ONTO's current score at https://13fpro.ai/research/ONTO (free sign-up required for the full ranking).

Where does 13F Pro source ONTO data?

All ONTO INNOVATION INC. fundamentals and ownership data come directly from SEC EDGAR. ONTO INNOVATION INC. files with the SEC under CIK 704532. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is ONTO in?

ONTO INNOVATION INC. (ONTO) is classified in the Technology sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/technology.

How often is ONTO research updated on 13F Pro?

ONTO's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

ONTO INNOVATION INC.(ONTO)Stock Analysis

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13F Pro Quality Score

66.5/100

Rank #523 of 2,879 stocksTOP 25%

View Technology peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

68.7/100

Profitability

68.8/100

Balance Sheet

77.7/100

Earnings Quality

52.0/100

Free Cash Flow

80.7/100

Institutional Flow

67.2/100

Revenue Scale

50.1/100

Dilution Risk

35.5/100

ONTO Stock Analysis & AI Quality Score

AI stock analysis and institutional research for ONTO INNOVATION INC. (ONTO), a Technology sector company. 13F Pro's AI-powered ranking engine scores ONTO at 66.5/100 on a 32-signal composite quality model, placing it at rank #523 of 2,879 stocks — the top 25% of the AI-ranked universe. ONTO scores in the top quartile across free cash flow (80.7), balance sheet strength (77.7). Shareholder dilution risk is elevated at 35.5/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q1 2026), ONTO INNOVATION INC. reports quarterly revenue of $291.9M, net income of $33.8M, an operating margin of 11.5%. Top institutional holders of ONTO by reported 13-F value include BlackRock,, VANGUARD PORTFOLIO MANAGEMENT, VANGUARD CAPITAL MANAGEMENT, based on the most recent SEC filings. ONTO trades on the NYSE exchange and files with the SEC under CIK 704532. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate ONTO daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for ONTO INNOVATION INC. directly from SEC EDGAR. ONTO INNOVATION INC.'s 13F Pro composite quality score has ranged between 8 and 72 since 2021, currently 66.5 — an improving long-term trajectory across 56 quarterly and live scoring snapshots.

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Fun facts about ONTO INNOVATION INC.

Quirks, history, and lore behind ONTO — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. semiconductor equipment company · mid-cap · listed on NYSE · headquartered in Massachusetts.
2
The Numbers
Annual revenue in the range of roughly $1 billion, serving a handful of the world's most demanding advanced chip manufacturers — a small customer list with enormous purchasing power.
3
The History
The company was formed through the merger of Nanometrics and Rudolph Technologies in 2019, combining two established players in process control into a single, stronger rival.
4
The Secret
Its bread and butter is metrology and inspection — the art of measuring things on a chip at scales so tiny that a single stray atom can ruin your day.
5
The Lore
Its systems help chipmakers catch defects and deviations before billions of dollars of wafers go bad — think of it as the quality-control referee of the semiconductor fab.
6
The Giveaway
The ticker spells out exactly what this company is aiming for: ONTO — as in, moving onto the next node, the next generation, the next smaller, faster chip.

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Revenue

Q1 2026

$291.9M

Net Income

Q1 2026

$33.8M

Free Cash Flow

Q1 2026

$22.7M

Operating Margin

Q1 2026

11.5%

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+228.6% YoY

$1.01BFY 2025

FY17 $255.1MFY18 $273.8MFY19 $305.9MFY25 $1.01B

Net Income

-38.8% YoY

$136.8MFY 2025

FY17 $32.9MFY18 $45.1MFY19 $223.3MFY25 $136.8M

Operating Income

+2735.9% YoY

$132.9MFY 2025

FY17 $59.3MFY18 $51.1MFY19 $-5.0MFY25 $132.9M

EPS (Diluted)

+4533.3% YoY

$2.78FY 2025

FY17 $0.64FY18 $0.87FY19 $0.06FY25 $2.78

Total Assets

+63.5% YoY

$2.37BFY 2025

FY17 $309.7MFY18 $418.0MFY19 $1.45BFY25 $2.37B

Op. Cash Flow

+1709.3% YoY

$328.3MFY 2025

FY17 $64.2MFY18 $35.1MFY19 $18.1MFY25 $328.3M

Metric	FY 2025	FY 2019	FY 2018	FY 2017	FY 2016	FY 2015
Revenue	$1.01B +228.6%	$305.9M +11.7%	$273.8M +7.3%	$255.1M +15.4%	$221.1M +18.0%	$187.4M
Net Income	$136.8M -38.8%	$223.3M +395.2%	$45.1M +37.0%	$32.9M -25.3%	$44.0M +1415.8%	$2.9M
Operating Income	$132.9M +2735.9%	$-5.0M -109.9%	$51.1M -13.8%	$59.3M +103.8%	$29.1M +485.1%	$5.0M
EPS (Diluted)	$2.78 +4533.3%	$0.06 -93.1%	$0.87 +37.0%	$0.64 -27.4%	$0.88 +1358.3%	$0.06
Total Assets	$2.37B +63.5%	$1.45B +246.5%	$418.0M +35.0%	$309.7M +7.6%	$287.8M +22.2%	$235.5M
Operating Cash Flow	$328.3M +1709.3%	$18.1M -48.3%	$35.1M -45.3%	$64.2M +40.5%	$45.7M	—

AI Insight: ONTO Financial Trends

Revenue growth accelerated to 29% year-over-year in Q1 2026 despite significant operating margin volatility including a loss in early Q1.

• Revenue jumped from $267M in Q1 2025 to $292M in Q1 2026, representing 9% growth year-over-year.

• Operating income swung from -$12M loss to $34M profit between the two Q1 2026 quarters.

• Operating cash flow declined from $92M in Q1 2025 to $26M in latest Q1 2026.

⚠ Operating margin volatility shows dramatic swings from negative to positive within Q1 2026.

⚠ Operating cash flow dropped 72% year-over-year despite revenue growth acceleration.

AI Insight: ONTO Ratio Trends

ONTO's profitability collapsed from 23.7% operating margin in Q1 2025 to -4.2% in Q1 2026 before recovering to 11.5%.

• Operating margin plunged from 23.7% peak in Q1 2025 to -4.2% in Q1 2026, then recovered to 11.5%.

• ROIC deteriorated from 13.2% in Q1 2025 to -2.2% in Q1 2026, then improved to 6.3%.

• ROE declined from 13.4% in Q1 2025 to 5.6% in Q3 2025, rebounding to 6.3% most recently.

⚠ Severe margin volatility with negative operating margin in Q1 2026 suggests operational instability.

⚠ Recovery pattern unclear as latest margins remain below 2024-early 2025 peak performance levels.

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Available Research

13F Pro tracks comprehensive data for ONTO INNOVATION INC. including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of ONTO

BlackRock, Inc.
$1.1B5,534,265 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$562.5M2,743,019 sh
VANGUARD CAPITAL MANAGEMENT LLC
$455.8M2,222,852 sh
STATE STREET CORP
$307.6M1,499,684 sh
GEODE CAPITAL MANAGEMENT, LLC
$248.4M1,211,014 sh
Point72 Asset Management, L.P.
$246.8M1,203,658 sh
PARADIGM CAPITAL MANAGEMENT INC/NY
$226.1M1,102,438 sh
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
$197.7M964,213 sh
VOYA INVESTMENT MANAGEMENT LLC
$187.8M917,155 sh
FMR LLC
$170.0M828,977 sh

Fund	Value	Shares
BlackRock, Inc.	$1.1B	5,534,265
VANGUARD PORTFOLIO MANAGEMENT LLC	$562.5M	2,743,019
VANGUARD CAPITAL MANAGEMENT LLC	$455.8M	2,222,852
STATE STREET CORP	$307.6M	1,499,684
GEODE CAPITAL MANAGEMENT, LLC	$248.4M	1,211,014
Point72 Asset Management, L.P.	$246.8M	1,203,658
PARADIGM CAPITAL MANAGEMENT INC/NY	$226.1M	1,102,438
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	$197.7M	964,213
VOYA INVESTMENT MANAGEMENT LLC	$187.8M	917,155
FMR LLC	$170.0M	828,977

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Is ONTO a good stock to buy?

13F Pro's AI-powered analysis of ONTO INNOVATION INC. (ONTO) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Technology sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for ONTO are available on the ONTO stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own ONTO?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling ONTO. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of ONTO INNOVATION INC.'s investment landscape.