| 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 |
As of 31 Dec 2025, 482 institutional investors reported holding 47,508,445 shares of ONTO INNOVATION INC. - Common Stock (ONTO). This represents 97% of the company’s total 48,923,126 outstanding shares.
The largest institutional shareholders of ONTO INNOVATION INC. - Common Stock (ONTO) together control 60% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 11% | 5,576,305 | -1.6% | 0.01% | $880,275,507 |
| BlackRock, Inc. | 10% | 4,931,826 | -5.4% | 0.01% | $778,538,132 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 3.5% | 1,726,587 | -13% | 0.76% | $272,559,024 |
| STATE STREET CORP | 3% | 1,459,278 | -1.1% | 0.01% | $230,361,625 |
| FRANKLIN RESOURCES INC | 2.8% | 1,353,001 | +21% | 0.05% | $213,584,671 |
| WELLINGTON MANAGEMENT GROUP LLP | 2.5% | 1,218,548 | -13% | 0.03% | $192,359,986 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 1,127,532 | +45% | 0.01% | $178,023,765 |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 2.3% | 1,125,838 | +1.2% | 7.5% | $177,724,787 |
| VOYA INVESTMENT MANAGEMENT LLC | 2% | 971,242 | +12% | 0.15% | $153,006,580 |
| Thrivent Financial for Lutherans | 2% | 960,911 | +88% | 0.27% | $151,689,000 |
| GENEVA CAPITAL MANAGEMENT LLC | 1.7% | 831,341 | -23% | 2.5% | $131,235,462 |
| Fisher Asset Management, LLC | 1.4% | 701,999 | +7% | 0.04% | $110,817,561 |
| JENNISON ASSOCIATES LLC | 1.4% | 680,822 | +1293% | 0.06% | $107,474,562 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.4% | 680,266 | -12% | 0.01% | $107,388,000 |
| NORGES BANK | 1.4% | 664,755 | 0.01% | $104,938,224 | |
| DIMENSIONAL FUND ADVISORS LP | 1.3% | 649,365 | -7% | 0.02% | $102,512,566 |
| AQR CAPITAL MANAGEMENT LLC | 1.3% | 615,651 | +316% | 0.05% | $97,186,667 |
| Bank of New York Mellon Corp | 1.2% | 600,793 | +23% | 0.02% | $94,841,070 |
| Channing Capital Management, LLC | 1.1% | 518,882 | +299% | 2.1% | $81,910,713 |
| D. E. Shaw & Co., Inc. | 1.1% | 517,189 | -48% | 0.06% | $81,643,456 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1% | 504,307 | +0.37% | 0.01% | $79,609,903 |
| MILLENNIUM MANAGEMENT LLC | 1% | 495,000 | -17% | 0.06% | $78,140,700 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 0.99% | 483,082 | +1.8% | 0.32% | $76,259,325 |
| MORGAN STANLEY | 0.95% | 467,189 | -41% | 0% | $73,750,882 |
| GOLDMAN SACHS GROUP INC | 0.93% | 455,481 | +203% | 0.01% | $71,902,230 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 47,508,445 | $7,505,527,416 | +$71,544,231 | $157.86 | 482 |
| 2025 Q3 | 47,387,565 | $6,124,842,149 | -$62,631,878 | $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 |
| 2020 Q1 | 46,038,615 | $1,366,133,776 | +$18,287,996 | $29.67 | 181 |
| 2019 Q4 | 45,223,116 | $1,652,500,809 | +$1,650,007,342 | $36.54 | 193 |
| 2019 Q3 | 21,999 | $715,037 | +$703,000 | $32.43 | 6 |
| 2019 Q2 | 369 | $12,808 | $34.71 | 1 | |
| 2019 Q1 | 369 | $11,395 | $30.88 | 1 | |
| 2018 Q4 | 369 | $10,085 | $27.33 | 1 | |
| 2018 Q3 | 369 | $13,845 | $37.52 | 1 | |
| 2018 Q2 | 369 | $13,066 | $35.41 | 1 | |
| 2018 Q1 | 369 | $9,926 | $26.90 | 1 | |
| 2017 Q4 | 369 | $9,195 | $24.92 | 1 | |
| 2017 Q3 | 369 | $10,627 | $28.80 | 1 | |
| 2017 Q2 | 369 | $9,332 | $25.29 | 1 | |
| 2017 Q1 | 369 | $11,240 | $30.46 | 1 | |
| 2016 Q4 | 369 | $9,247 | $25.06 | 1 | |
| 2016 Q3 | 369 | $8,243 | $22.34 | 1 | |
| 2016 Q2 | 369 | $7,672 | $20.79 | 1 | |
| 2016 Q1 | 369 | $5,845 | $15.84 | 1 |