ONTO INNOVATION INC.

ONTONYSE

$327.77+12.89 (+4.09%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

ONTO INNOVATION INC. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+134.4%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	11.23%	$2.08B	0.03%	Not reported
Vanguard Portfolio Management LLC	5.56%	$1.03B	0.05%	Not reported
Vanguard Capital Management LLC	4.58%	$851M	0.02%	Not reported
State Street Corp	3.17%	$588M	0.02%	Not reported
Geode Capital Management, LLC	2.92%	$543M	0.03%	Not reported
Invesco Ltd.	2.76%	$512M	0.04%	Not reported
Paradigm Capital Management Inc	2.25%	$417M	11.34%	Reduce 0.09%
Point72 Asset Management, L.P.	1.98%	$368M	0.41%	Not reported
FMR LLC	1.80%	$334M	0.01%	Not reported
Voya Investment Management LLC	1.54%	$285M	0.25%	Not reported
Pictet Asset Management Holding SA	1.46%	$271M	0.26%	Add 4284.28%
William Blair Investment Management, LLC	1.36%	$252M	0.76%	Reduce 30.99%
Norges Bank	1.33%	$246M	0.02%	Not reported
Two Sigma Investments, LP	1.29%	$240M	0.17%	Not reported
Jennison Associates LLC	1.21%	$225M	0.13%	Add 5.29%
Dimensional Fund Advisors LP	1.20%	$223M	0.04%	Not reported
Thrivent Financial for Lutherans	1.20%	$222M	0.37%	Reduce 20.64%
Wellington Management Group LLP	1.10%	$204M	0.04%	Reduce 0.84%
Charles Schwab Investment Management Inc	1.04%	$193M	0.03%	Not reported
Fisher Asset Management, LLC	1.00%	$186M	0.06%	Reduce 24.33%
Morgan Stanley	1.00%	$185M	0.01%	Not reported
Geneva Capital Management LLC	0.99%	$184M	4.22%	Reduce 31.06%
AQR Capital Management LLC	0.97%	$179M	0.06%	Not reported
Northern Trust Corp	0.93%	$172M	0.02%	Not reported
Bank of New York Mellon Corp	0.87%	$162M	0.03%	Not reported
Qube Research & Technologies Ltd	0.86%	$159M	0.15%	Not reported
Polar Capital Holdings Plc	0.83%	$154M	0.36%	New Not reported
Phoenix Financial Ltd.	0.82%	$152M	1.04%	Not reported
D. E. Shaw & Co., Inc.	0.76%	$141M	0.07%	Not reported
Goldman Sachs Group Inc	0.74%	$137M	0.01%	Not reported
Driehaus Capital Management LLC	0.72%	$134M	0.78%	Add 10.64%
Citadel Advisors LLC	0.70%	$130M	0.01%	Not reported
Analog Century Management LP	0.68%	$126M	4.62%	New Not reported
Vanguard Fiduciary Trust Co	0.64%	$120M	0.03%	Not reported
Ameriprise Financial Inc	0.61%	$113M	0.02%	Not reported
Westfield Capital Management Co LP	0.61%	$113M	0.37%	Reduce 8.43%
JPMorgan Chase & Co	0.61%	$106M	0.01%	Not reported
Assenagon Asset Management S.A.	0.59%	$109M	0.07%	Not reported
Royce & Associates LP	0.58%	$108M	0.87%	Not reported
T. Rowe Price Investment Management, Inc.	0.56%	$105M	0.07%	Reduce 33.40%
American Century Companies Inc	0.56%	$103M	0.05%	Not reported
TT International Asset Management LTD	0.53%	$92.1M	11.75%	New Not reported
Penserra Capital Management LLC	0.50%	$93.5M	0.72%	Not reported
Defiance ETFs, LLC	0.50%	$86.8M	1.18%	Reduce 1.16%
Marshall Wace, LLP	0.49%	$91.4M	0.07%	Not reported
UBS Group AG	0.48%	$89.8M	0.01%	Not reported
Ossiam	0.48%	$89.1M	1.18%	New Not reported
Summit Partners Public Asset Management, LLC	0.47%	$87.8M	1.54%	New Not reported
First Trust Advisors LP	0.47%	$87M	0.05%	Add 41.94%
Alliancebernstein L.P.	0.45%	$45.4M	0.02%	Not reported

50 of 652 holders

Activity score

Premium

100

WEAK

STRONG

Unlock

AI Activity Analysis

Premium

Coming soonAI reads of insider, institutional and company activity will appear here for Premium accounts.

Historical Activity Patterns

Premium

Historical Activity PatternsHistorical periods where multiple activity categories converged, with subsequent market performance shown for context.Unlock