| 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 30 Sep 2025, 468 institutional investors reported holding 47,394,145 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 62% 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 | 12% | 5,667,404 | +5.5% | 0.01% | $732,341,944 |
| BlackRock, Inc. | 11% | 5,213,300 | -20% | 0.01% | $673,662,690 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 4.1% | 1,981,761 | +80% | 0.66% | $256,083,156 |
| STATE STREET CORP | 3% | 1,475,218 | -0.96% | 0.01% | $190,627,670 |
| WELLINGTON MANAGEMENT GROUP LLP | 2.9% | 1,398,995 | +1217% | 0.03% | $180,778,134 |
| FRANKLIN RESOURCES INC | 2.3% | 1,114,501 | +65% | 0.04% | $144,015,856 |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 2.3% | 1,112,839 | 0% | 6.2% | $143,801,056 |
| GENEVA CAPITAL MANAGEMENT LLC | 2.2% | 1,084,447 | +0.26% | 2.4% | $140,132,286 |
| D. E. Shaw & Co., Inc. | 2% | 1,002,810 | +0.89% | 0.1% | $129,583,109 |
| Voya Investment Management LLC | 1.8% | 868,607 | +4495% | 0.11% | $111,973,734 |
| FMR LLC | 1.7% | 830,219 | -40% | 0.01% | $107,280,873 |
| MORGAN STANLEY | 1.6% | 790,443 | +75% | 0.01% | $102,141,356 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.6% | 776,063 | +49% | 0.01% | $100,284,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.6% | 775,216 | -12% | 0.01% | $100,195,027 |
| DIMENSIONAL FUND ADVISORS LP | 1.4% | 698,610 | -10% | 0.02% | $90,275,902 |
| Fisher Asset Management, LLC | 1.3% | 656,002 | +22% | 0.03% | $84,768,576 |
| UBS Group AG | 1.3% | 632,932 | -36% | 0.02% | $81,787,474 |
| MILLENNIUM MANAGEMENT LLC | 1.2% | 599,737 | -17% | 0.06% | $77,498,015 |
| ROYAL BANK OF CANADA | 1.2% | 567,089 | +58% | 0.01% | $73,278,000 |
| Thrivent Financial for Lutherans | 1% | 509,827 | +73% | 0.13% | $65,880,000 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1% | 502,445 | +42% | 0.01% | $64,925,943 |
| Bank of New York Mellon Corp | 1% | 487,238 | +4% | 0.01% | $62,960,890 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 0.97% | 474,530 | +35% | 0.26% | $61,318,767 |
| NORTHERN TRUST CORP | 0.95% | 462,533 | +8.4% | 0.01% | $59,768,515 |
| Assenagon Asset Management S.A. | 0.87% | 427,989 | +211% | 0.08% | $55,304,739 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1,117,570 | $180,394,758 | -$25,158,824 | $157.86 | 49 |
| 2025 Q3 | 47,394,145 | $6,125,692,416 | -$63,858,197 | $129.22 | 468 |
| 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 |