Latest Period
Q1 2026
Security Snapshot
ONTO INNOVATION INC. - Common Stock (ONTO) Institutional Ownership
CUSIP: 683344105
13F Institutional Holders and Ownership History from Q1 2016 to Q2 2026
Institutions Reporting
574
Shares (Excl. Options)
48,065,219
Price
$205.07
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- Security type / class
- Equity / Common Stock
- Symbol
- ONTO on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 48,065,219
- Total 13F value
- $9,848,609,114
- Portfolio coverage rank
- 0.02%
- Share change
- +388,002
- Value change
- +$124,688,572
- Number of holders
- 574
- Shares outstanding
- 49,756,727
- SEC-reported price per share
- $304.21
- Insider filing price
- $304.21
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ONTO - ONTO INNOVATION INC. - Common Stock is tracked under CUSIP 683344105.
- 574 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 574 to 208 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $9,848,609,114 to $1,116,009,719.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 574 institutions filings for Q1 2026.
Security key
683344105
Latest holder period
Q1 2026
13F holders
574
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
ONTO full holder history
ONTO INNOVATION INC. SEC filings
ONTO INNOVATION INC. company facts
ONTO INNOVATION INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 683344105:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
ONTO
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 10% | -9.1% | $651,150,176 | -$71,224,384 | 5,039,082 | -9.9% | BlackRock, Inc. | 30 Sep 2025 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.5% | $564,259,743 | 2,751,547 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $533,762,348 | 2,602,830 | Vanguard Capital Management | 31 Mar 2026 |
As of 31 Mar 2026, 574 institutional investors reported holding 48,065,219 shares of ONTO INNOVATION INC. - Common Stock (ONTO). This represents 97% of the company’s total 49,756,727 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
55%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 11% | 5,534,265 | +12% | 0.02% | $1,134,911,826 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.5% | 2,743,019 | 0% | 0.03% | $562,510,906 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 2,222,852 | 0% | 0.01% | $455,840,260 |
| STATE STREET CORP | 3% | 1,499,684 | +2.8% | 0.01% | $307,625,917 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 1,211,014 | +7.4% | 0.02% | $248,389,818 |
| Point72 Asset Management, L.P. | 2.4% | 1,203,658 | +213% | 0.43% | $246,834,146 |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 2.2% | 1,102,438 | -2.1% | 8.6% | $226,076,961 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.9% | 964,213 | -44% | 0.65% | $197,731,160 |
| VOYA INVESTMENT MANAGEMENT LLC | 1.8% | 917,155 | -5.6% | 0.2% | $187,789,813 |
| FMR LLC | 1.7% | 828,977 | +84% | 0.01% | $169,998,374 |
| Thrivent Financial for Lutherans | 1.5% | 739,292 | -23% | 0.29% | $151,607,000 |
| D. E. Shaw & Co., Inc. | 1.5% | 722,578 | +40% | 0.12% | $148,179,070 |
| GENEVA CAPITAL MANAGEMENT LLC | 1.4% | 705,943 | -15% | 3.1% | $144,767,813 |
| DIMENSIONAL FUND ADVISORS LP | 1.4% | 677,502 | +4.3% | 0.03% | $138,898,429 |
| Fisher Asset Management, LLC | 1.3% | 649,981 | -7.4% | 0.05% | $133,291,602 |
| Invesco Ltd. | 1.3% | 632,803 | +399% | 0.02% | $129,768,912 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.2% | 605,783 | -11% | 0.01% | $124,229,000 |
| JANE STREET GROUP, LLC | 1.2% | 604,688 | +29909% | 0.13% | $124,003,368 |
| AQR CAPITAL MANAGEMENT LLC | 1.2% | 590,809 | -4% | 0.06% | $121,157,201 |
| FRANKLIN RESOURCES INC | 1.2% | 579,203 | -57% | 0.03% | $118,777,178 |
| Bank of New York Mellon Corp | 1.1% | 567,805 | -5.5% | 0.02% | $116,439,827 |
| JENNISON ASSOCIATES LLC | 1.1% | 564,305 | -17% | 0.08% | $115,722,028 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.1% | 543,892 | -55% | 0.02% | $111,535,933 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1% | 529,565 | +5% | 0.02% | $108,597,895 |
| MARSHALL WACE, LLP | 0.97% | 483,070 | +12% | 0.11% | $99,063,165 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
42
Latest
Q1 2026
Rows shown
1-25 of 42
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 2,976,001 | $1,116,009,719 | +$322,872,557 | $378.45 | 208 |
| 2026 Q1 | 48,065,219 | $9,848,609,114 | +$124,688,572 | $205.07 | 574 |
| 2025 Q4 | 47,871,612 | $7,562,867,528 | +$121,096,443 | $157.86 | 489 |
| 2025 Q3 | 47,387,565 | $6,124,842,149 | -$63,431,950 | $129.22 | 471 |
| 2025 Q2 | 49,063,671 | $4,952,535,424 | +$177,223,230 | $100.93 | 440 |
| 2025 Q1 | 46,398,369 | $5,627,299,881 | -$211,168,537 | $121.34 | 466 |
| 2024 Q4 | 47,045,562 | $7,847,533,992 | -$91,501,600 | $166.67 | 514 |
| 2024 Q3 | 47,055,904 | $9,786,328,985 | -$312,993,433 | $207.56 | 518 |
| 2024 Q2 | 47,403,889 | $10,410,339,589 | -$254,379,248 | $219.56 | 503 |
| 2024 Q1 | 48,543,963 | $8,790,382,402 | +$49,065,067 | $181.08 | 426 |
| 2023 Q4 | 48,522,629 | $7,417,606,428 | -$21,809,974 | $152.90 | 387 |
| 2023 Q3 | 48,722,727 | $6,215,043,126 | +$217,764,705 | $127.52 | 356 |
| 2023 Q2 | 46,989,484 | $5,472,808,128 | +$51,656,244 | $116.47 | 326 |
| 2023 Q1 | 46,475,639 | $4,084,114,931 | +$70,896,733 | $87.88 | 293 |
| 2022 Q4 | 46,295,678 | $3,153,378,735 | -$47,964,321 | $68.09 | 294 |
| 2022 Q3 | 47,030,564 | $3,012,933,082 | -$132,293,268 | $64.05 | 283 |
| 2022 Q2 | 47,142,452 | $3,288,302,216 | +$56,979,334 | $69.74 | 293 |
| 2022 Q1 | 46,487,126 | $4,038,292,606 | +$1,713,366 | $86.89 | 303 |
| 2021 Q4 | 46,606,114 | $4,717,157,864 | -$3,105,097 | $101.23 | 296 |
| 2021 Q3 | 46,810,966 | $3,381,908,084 | -$43,011,682 | $72.25 | 262 |
| 2021 Q2 | 47,395,970 | $3,461,390,713 | +$45,705,075 | $73.04 | 254 |
| 2021 Q1 | 46,931,013 | $3,085,828,562 | +$75,448,695 | $65.71 | 239 |
| 2020 Q4 | 45,972,149 | $2,186,047,568 | +$28,993,582 | $47.55 | 216 |
| 2020 Q3 | 45,464,953 | $1,354,232,723 | -$7,799,703 | $29.78 | 185 |
| 2020 Q2 | 45,576,426 | $1,552,879,420 | -$13,120,294 | $34.04 | 195 |