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Livermore
ZHEN

Onto Innovation Inc.

ONTO
Exchange
NYSE
Industry
Measuring & Controlling Devices, NEC
SEC CIK
0000704532

In the last 90 days, Onto Innovation Inc. insiders filed 0 open-market purchases and 1 sale; 691 institutions reported holding it in 13F filings for Q2 2026, worth $18.3B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q1 2026

Institutional positions in Onto Innovation Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
580
+95 vs. Q4 2025
Shares held
48.1M
+6.50M (+15.6%) vs. Q4 2025
Total value
$9.86B
+$3.28B (+49.9%) vs. Q4 2025
New holders
138
201 more added
Sold out
43
177 more reduced

8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ONTO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 580 institutions
Q1 2021: 243 institutionsQ2 2021: 258 institutionsQ3 2021: 268 institutionsQ4 2021: 302 institutionsQ1 2022: 311 institutionsQ2 2022: 303 institutionsQ3 2022: 299 institutionsQ4 2022: 297 institutionsQ1 2023: 297 institutionsQ2 2023: 328 institutionsQ3 2023: 359 institutionsQ4 2023: 389 institutionsQ1 2024: 433 institutionsQ2 2024: 507 institutionsQ3 2024: 521 institutionsQ4 2024: 520 institutionsQ1 2025: 474 institutionsQ2 2025: 448 institutionsQ3 2025: 477 institutionsQ4 2025: 493 institutionsQ1 2026: 580 institutionsQ2 2026: 691 institutions
Value heldQ1 2026: $9.86B
Q1 2021: $3.09BQ2 2021: $3.46BQ3 2021: $3.38BQ4 2021: $4.72BQ1 2022: $4.04BQ2 2022: $3.29BQ3 2022: $3.00BQ4 2022: $3.13BQ1 2023: $4.09BQ2 2023: $5.48BQ3 2023: $6.22BQ4 2023: $7.42BQ1 2024: $8.80BQ2 2024: $10.4BQ3 2024: $9.79BQ4 2024: $7.85BQ1 2025: $5.69BQ2 2025: $4.96BQ3 2025: $6.13BQ4 2025: $7.56BQ1 2026: $9.86BQ2 2026: $18.3B
Institutions holding ONTO and their total value by quarter
QuarterHoldersValue
Q2 2026691$18.3B
Q1 2026580$9.86B
Q4 2025493$7.56B
Q3 2025477$6.13B
Q2 2025448$4.96B
Q1 2025474$5.69B
Q4 2024520$7.85B
Q3 2024521$9.79B
Q2 2024507$10.4B
Q1 2024433$8.80B
Q4 2023389$7.42B
Q3 2023359$6.22B
Q2 2023328$5.48B
Q1 2023297$4.09B
Q4 2022297$3.13B
Q3 2022299$3.00B
Q2 2022303$3.29B
Q1 2022311$4.04B
Q4 2021302$4.72B
Q3 2021268$3.38B
Q2 2021258$3.46B
Q1 2021243$3.09B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Onto Innovation Inc.; share changes are against Q4 2025.

Institutions holding ONTO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Raffa Wealth Management, LLC1$2050.00%+1New
SHP Wealth Management1$2050.00%+1New
Intentional Wealth Strategies, LLC1$2050.00%+1New
Innovative Asset Advisors Group, LLC1$2050.00%+1New
Manchester Capital Management LLC1$2060.00%+1New
MV Capital Management, Inc.1$2060.00%+1New
Rossby Financial, LCC1$2120.00%+1New
Tredje AP-fonden2$4100.00%−89,998−100.0%Reduced
Financial Management Professionals, Inc.2$4100.00%00.0%Unchanged
Bare Financial Services, Inc2$4100.00%00.0%Unchanged
HFM Investment Advisors, LLC3$6150.00%00.0%Unchanged
Bogart Wealth, LLC3$6150.00%+3New
DecisionPoint Financial, LLC3$6160.00%00.0%Unchanged
Dunhill Financial, LLC3$7910.00%+2+200.0%Added
Vermillion Wealth Management, Inc.4$8200.00%+4New
Hughes Financial Services, LLC4$8200.00%+4New
TIAA Wealth Investment Management LLC4$8200.00%+4New
UMA Financial Services, Inc.4$8210.00%00.0%Unchanged
Marquette Asset Management, LLC4$8210.00%+4New
Capital Advisors, Ltd. LLC5$1.00K0.00%00.0%Unchanged
Centerpoint Advisors, LLC7$1.00K0.00%00.0%Unchanged
Elequin Capital LP5$1.02K0.00%00.0%Unchanged
Atlantic Private Wealth, LLC5$1.02K0.00%00.0%Unchanged
Golden State Equity Partners5$1.02K0.00%+5New
Breakwater Investment Management5$1.03K0.00%00.0%Unchanged
Montag A & Associates Inc5$1.11K0.00%00.0%Unchanged
Kilter Group LLC6$1.23K0.00%00.0%Unchanged
Toth Financial Advisory Corp6$1.23K0.00%+6New
International Assets Investment Management, LLC6$1.27K0.00%00.0%Unchanged
Cullen/Frost Bankers, Inc.7$1.44K0.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC7$1.44K0.00%+3+75.0%Added
Whipplewood Advisors, LLC7$1.44K0.00%+7New
DiNuzzo Private Wealth, Inc.8$1.64K0.00%00.0%Unchanged
Rachor Investment Advisory Services, LLC9$1.85K0.00%00.0%Unchanged
WealthCollab, LLC9$1.85K0.00%00.0%Unchanged
Rialto Wealth Management, LLC9$1.85K0.00%+1+12.5%Added
Cromwell Holdings LLC9$1.85K0.00%+3+50.0%Added
South State Corp.10$2.05K0.00%00.0%Unchanged
Sunrise Financial Services, LLC10$2.05K0.00%00.0%Unchanged
Cornerstone Financial Management LLC11$2.26K0.00%+3+37.5%Added
Clearstead Advisors, LLC13$2.67K0.00%−872−98.5%Reduced
IFM Investors Pty Ltd13$2.67K0.00%+13New
Key Financial Inc16$3.28K0.00%00.0%Unchanged
United Financial Planning Group LLC16$3.28K0.00%+16New
Cornerstone Planning Group LLC11$3.35K0.00%+3+37.5%Added
Sunbelt Securities, Inc.17$3.49K0.00%00.0%Unchanged
Peterson Wealth Services17$3.49K0.00%00.0%Unchanged
Creative Financial Designs Inc20$4.10K0.00%00.0%Unchanged
Stone House Investment Management, LLC20$4.10K0.00%+20New
Cassaday & Co Wealth Management LLC23$4.72K0.00%+23New
Keating Financial Advisory Services, Inc.24$4.92K0.00%+7+41.2%Added
Crewe Advisors LLC25$5.13K0.00%00.0%Unchanged
Legacy Wealth Managment, LLC25$5.13K0.00%00.0%Unchanged
Sachetta, LLC25$5.13K0.00%+25New
Rakuten Securities, Inc.28$5.74K0.00%+17+154.5%Added
Twin Peaks Wealth Advisors, LLC29$5.95K0.00%+29New
Fortitude Family Office, LLC30$6.15K0.00%+22+275.0%Added
Private Wealth Management Group, LLC30$6.15K0.00%00.0%Unchanged
JPL Wealth Management, LLC30$6.15K0.00%+30New
Owl Creek Wealth Partners LLC30$6.15K0.00%+30New
Bruce G. Allen Investments, LLC34$6.97K0.00%00.0%Unchanged
Assetmark, Inc38$7.79K0.00%−8−17.4%Reduced
SJS Investment Consulting Inc.38$7.79K0.00%+9+31.0%Added
Colonial Trust Co38$7.82K0.00%−17−30.9%Reduced
Farmers & Merchants Investments Inc43$8.82K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC46$9.43K0.00%+5+12.2%Added
Bullock Wealth Management Group47$9.95K0.00%00.0%Unchanged
CVA Family Office, LLC50$10.3K0.00%+50New
Wall Street Financial Group, Inc.51$10.5K0.01%+51New
Bell Investment Advisors, Inc52$10.7K0.00%+3+6.1%Added
Activest Wealth Management56$11.5K0.00%+1+1.8%Added
Wealth Preservation Advisors, LLC60$12.3K0.01%+60New
Aster Capital Management (DIFC) Ltd105$12.7K0.00%+105New
Quarry LP65$13.3K0.00%+65New
Transce3nd, LLC71$14.6K0.13%−32−31.1%Reduced
Massmutual Trust Co FSB72$14.8K0.00%+9+14.3%Added
1015 Capital Partners, LLC75$15.4K0.01%+75New
Proathlete Wealth Management LLC93$19.1K0.01%00.0%Unchanged
Acumen Wealth Advisors, LLC98$20.1K0.01%00.0%Unchanged
Measured Wealth Private Client Group, LLC103$21.1K0.01%00.0%Unchanged
Geneos Wealth Management Inc.103$21.1K0.00%+103New
Basecamp Wealth Advisors LLC104$21.3K0.00%+9+9.5%Added
First Horizon Corp107$21.9K0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.110$22.6K0.00%00.0%Unchanged
SBI Securities Co., Ltd.111$22.8K0.00%−25−18.4%Reduced
True Wealth Design, LLC116$23.8K0.01%+5+4.5%Added
Mather Group, LLC.120$24.6K0.00%+120New
Nomura Asset Management Co Ltd130$26.7K0.00%00.0%Unchanged
Ancora Advisors, LLC135$27.7K0.00%+126+1,400.0%Added
Quent Capital, LLC155$31.8K0.00%+37+31.4%Added
Bayforest Capital Ltd157$32.2K0.04%−531−77.2%Reduced
Tidemark, LLC166$34.0K0.01%00.0%Unchanged
Millstone Evans Group, LLC166$34.0K0.02%+99+147.8%Added
Steward Partners Investment Advisory, LLC183$37.5K0.00%+178+3,560.0%Added
Los Angeles Capital Management LLC197$40.4K0.00%−48−19.6%Reduced
Smithfield Trust Co201$42.0K0.00%00.0%Unchanged
Pinnacle Wealth Planning Services, Inc.206$42.2K0.00%−112−35.2%Reduced
Westside Investment Management, Inc.198$42.7K0.01%00.0%Unchanged
Whittier Trust Co198$43.8K0.00%00.0%Unchanged
Huntington National Bank217$44.5K0.00%+19+9.6%Added