ONTO Institutional Ownership
Top institutional (13F) holders of ONTO and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
56
Institutional value
$11.16B
Top holder
BlackRock, Inc.
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| BlackRock, Inc.holding company | 11.2% | Aug 7, 2026 | $2.08B |
| Vanguard Portfolio Managementinvestment advisor | 5.6% | Aug 13, 2026 | $1.03B |
| Vanguard Capital Managementinvestment advisor | 4.6% | Aug 13, 2026 | $850.66M |
| STATE STREET CORPORATIONholding company | 3.2% | Sep 22, 2026 | $588.13M |
| Invesco Ltd.holding company | 2.8% | Aug 14, 2026 | $511.62M |
| Point72 Asset Management, L.P.investment advisor | 2.0% | Aug 14, 2026 | $367.91M |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 2.2% | Nov 6, 2026 | $338.23M |
| FMR LLCinvestment advisor | 1.8% | Aug 13, 2026 | $334.28M |
| T. Rowe Price Associates, Inc.investment advisor | 1.7% | Aug 14, 2026 | $322.93M |
| Norges Bankother | 1.3% | Aug 12, 2026 | $245.89M |
| TWO SIGMA INVESTMENTS, LPinvestment advisor | 1.3% | Aug 14, 2026 | $240.8M |
| JENNISON ASSOCIATES LLCinvestment advisor | 1.2% | Aug 3, 2026 | $224.86M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | 1.1% | Aug 14, 2026 | $208.22M |
| FRANKLIN RESOURCES INCinvestment advisor | 1.1% | Aug 13, 2026 | $204.58M |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | 1.1% | Aug 14, 2026 | $204.1M |
| CITADEL ADVISORS LLCinvestment advisor | 1.1% | Sep 1, 2026 | $202.54M |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCinvestment advisor | 1.3% | Nov 6, 2026 | $200.76M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | 1.0% | Aug 14, 2026 | $192.83M |
| MORGAN STANLEYholding company | 1.0% | Aug 13, 2026 | $184.88M |
| Dimensional Fund Advisors LPinvestment advisor | 1.2% | Nov 4, 2026 | $179.74M |
| AQR CAPITAL MANAGEMENT LLCinvestment advisor | 1.0% | Aug 14, 2026 | $179.42M |
| NORTHERN TRUST CORPinvestment advisor | 0.9% | Aug 13, 2026 | $172.13M |
| JANE STREET GROUP, LLCholding company | 0.8% | Aug 14, 2026 | $155.74M |
| D. E. Shaw & Co., Inc.investment advisor | 0.8% | Aug 14, 2026 | $140.69M |
| GOLDMAN SACHS GROUP INCinvestment advisor | 0.7% | Aug 14, 2026 | $136.9M |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
| Holder | Form | Stake | Filed |
|---|---|---|---|
| BlackRock, Inc.holding company | SC 13G/A | 10.3% | Oct 17, 2025 |
| Vanguard Portfolio Managementinvestment advisor | SC 13G | 5.5% | Apr 29, 2026 |
| Vanguard Capital Managementinvestment advisor | SC 13G | 5.2% | Apr 29, 2026 |
Institutional ownership for companies related to ONTO
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.