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Equibles

ONTO

Onto Innovation Inc.

Company with tickers: ONTO

CIK
704532
CUSIP
683344105
Shares Outstanding
49,743,567
13F Activity (30d)
361 filings 356 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 575
Total Value: $9,877,825,516
Total Shares: 48,168,069
Showing 1–100 of 589 holdings by value · page 1 of 6

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 575 13F filers · Δ vs Dec 31, 2025
Top Holder
11.5%
Jun 2023 → Mar 2026 · range 10.6% – 16.6%
−0.1 pts
Top 5
27.4%
Jun 2023 → Mar 2026 · range 27.4% – 39.2%
−3.9 pts
Top 10
37.8%
Jun 2023 → Mar 2026 · range 37.8% – 52.1%
−4.7 pts
HHI
267
Jun 2023 → Mar 2026 · range 267 – 532
Broadly held −68

Quarterly Activity

vs Dec 31, 2025
New
136
Increased
200
Decreased
176
Sold Out
50
Unchanged
63
Holder count: +86
Institutional value: +30.1%
Shares held: +0.1%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Large Point72 Asset Management, L.P. +818,891 1,203,658
Mega JANE STREET GROUP, LLC +620,673 665,488
Mega BlackRock, Inc. +602,439 5,534,265
Mega Invesco Ltd. +505,862 632,803
Mega FMR LLC +377,622 828,977

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega FRANKLIN RESOURCES INC −773,798 579,203
Large WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC −762,374 964,213
Mega WELLINGTON MANAGEMENT GROUP LLP −674,656 543,892
Mega MILLENNIUM MANAGEMENT LLC −471,136 23,864
Large Thrivent Financial for Lutherans −221,619 739,292

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 2,743,019 $562,510,906
Mega VANGUARD CAPITAL MANAGEMENT LLC 2,222,852 $455,840,259
Mega VANGUARD FIDUCIARY TRUST CO 310,154 $63,603,280
Large Artisan Partners Limited Partnership 182,031 $37,329,097
Small Talos Eurisko Asset Management LP 165,373 $33,913,041

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 5,576,305 $880,275,505
Mega NORGES BANK 664,755 $104,938,224
Mid Pacer Advisors, Inc. 335,018 $52,885,941
Mid Ardmore Road Asset Management LP 78,101 $12,329,023
Small ARDSLEY ADVISORY PARTNERS LP 58,500 $9,234,810
Filter: New 136 Increased 200 Reduced 176 Sold out 50 Unchanged 63
Showing 100 of 589
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $1,134,911,712 11.49% 5,534,265
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $562,510,906 5.69% 2,743,019
Mega VANGUARD CAPITAL MANAGEMENT LLC $455,840,259 4.61% 2,222,852
Mega STATE STREET CORP $307,540,197 3.11% 1,499,684
Mega GEODE CAPITAL MANAGEMENT, LLC $248,342,640 2.51% 1,211,014
Large Point72 Asset Management, L.P. $246,834,146 2.50% 1,203,658
Mid PARADIGM CAPITAL MANAGEMENT INC/NY $226,076,960 2.29% 1,102,438
Large WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC $197,731,159 2.00% 964,213
Large VOYA INVESTMENT MANAGEMENT LLC $188,080,975 1.90% 917,155
Mega FMR LLC $169,998,312 1.72% 828,977
Large Thrivent Financial for Lutherans $151,606,609 1.53% 739,292
Mega D. E. Shaw & Co., Inc. $148,179,070 1.50% 722,578
Mid GENEVA CAPITAL MANAGEMENT LLC $144,767,730 1.47% 705,943
Mega DIMENSIONAL FUND ADVISORS LP $138,935,333 1.41% 677,502
Mega Fisher Asset Management, LLC $133,291,603 1.35% 649,981
Mega Invesco Ltd. $129,768,908 1.31% 632,803
Mega PRICE T ROWE ASSOCIATES INC /MD/ $124,227,918 1.26% 605,783
Mega JANE STREET GROUP, LLC $124,003,367 1.26% 604,688
Mega AQR CAPITAL MANAGEMENT LLC $121,157,198 1.23% 590,809
Mega FRANKLIN RESOURCES INC $118,777,155 1.20% 579,203
Mega Bank of New York Mellon Corp Bank $116,439,764 1.18% 567,805
Mega JENNISON ASSOCIATES LLC $115,722,026 1.17% 564,305
Mega WELLINGTON MANAGEMENT GROUP LLP $111,535,928 1.13% 543,892
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $108,597,894 1.10% 529,565
Large MARSHALL WACE, LLP $99,063,163 1.00% 483,070
Mega GOLDMAN SACHS GROUP INC $98,900,747 1.00% 482,278
Mega NORTHERN TRUST CORP Bank $93,515,402 0.95% 456,017
Mega UBS Group AG $90,114,935 0.91% 439,435
Mega MORGAN STANLEY $89,415,640 0.91% 436,025
Mega T. Rowe Price Investment Management, Inc. $85,060,165 0.86% 414,786
Mid Channing Capital Management, LLC $73,846,117 0.75% 360,102
Large Allspring Global Investments Holdings, LLC $73,824,788 0.75% 359,998
Large Bridgewater Associates, LP $71,447,413 0.72% 348,405
Large WESTFIELD CAPITAL MANAGEMENT CO LP $67,049,687 0.68% 326,960
Large Driehaus Capital Management LLC $65,731,907 0.67% 320,534
Mid ROYCE & ASSOCIATES LP $65,029,542 0.66% 317,109
Mega JPMORGAN CHASE & CO $64,842,309 0.66% 316,196
Mega TWO SIGMA INVESTMENTS, LP $64,117,596 0.65% 312,662
Mega VANGUARD FIDUCIARY TRUST CO Bank $63,603,280 0.64% 310,154
Mega AMERIPRISE FINANCIAL INC $63,449,477 0.64% 309,404
Mid GLENVIEW CAPITAL MANAGEMENT, LLC $61,463,785 0.62% 299,721
Mega CITADEL ADVISORS LLC $60,817,609 0.62% 296,570
Mega BNP PARIBAS ARBITRAGE, SA $57,901,514 0.59% 282,350
Mid SEGALL BRYANT & HAMILL, LLC $56,535,543 0.57% 275,689
Mid TimesSquare Capital Management, LLC $54,945,225 0.56% 267,934
Mid Penserra Capital Management LLC $52,206,310 0.53% 254,578
Mega RAYMOND JAMES FINANCIAL INC $51,866,917 0.53% 252,923
Mid Defiance ETFs, LLC Mutual Fund $51,238,790 0.52% 249,860
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $49,094,168 0.50% 239,402
Mid SG Capital Management LLC $47,060,694 0.48% 229,486
Large Assenagon Asset Management S.A. $46,821,787 0.47% 228,321
Mega ROYAL BANK OF CANADA Bank $44,013,965 0.45% 214,629
Mid Junto Capital Management LP $43,730,767 0.44% 213,248
Large Balyasny Asset Management L.P. $42,173,875 0.43% 205,656
Mid Granahan Investment Management, LLC $40,746,178 0.41% 198,694
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $40,620,675 0.41% 198,082
Small BRILLIANCE ASSET MANAGEMENT LTD $39,750,358 0.40% 193,838
Small Divisar Capital Management LLC $39,630,392 0.40% 193,253
Mega BANK OF AMERICA CORP /DE/ Bank $39,547,747 0.40% 192,850
Mega Clearbridge Investments, LLC $39,132,482 0.40% 190,825
Large JACOBS LEVY EQUITY MANAGEMENT, INC $38,888,039 0.39% 189,633
Large Artisan Partners Limited Partnership $37,329,097 0.38% 182,031
Large Boston Partners $37,239,275 0.38% 181,593
Mid SYSTEMATIC FINANCIAL MANAGEMENT LP $36,573,208 0.37% 178,345
Large Gotham Asset Management, LLC $34,534,403 0.35% 168,403
Small Talos Eurisko Asset Management LP $33,913,041 0.34% 165,373
Large FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ $33,534,071 0.34% 163,525
Mega FIRST TRUST ADVISORS LP $33,211,701 0.34% 161,953
Mega AMERICAN CENTURY COMPANIES INC $32,891,792 0.33% 160,393
Mid KENNEDY CAPITAL MANAGEMENT LLC $32,638,120 0.33% 159,156
Mid PALISADE CAPITAL MANAGEMENT, LP $32,369,069 0.33% 157,844
Small SIRIOS CAPITAL MANAGEMENT L P $31,567,450 0.32% 153,935
Small VALUE HOLDINGS MANAGEMENT CO. LLC $30,632,331 0.31% 149,375
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $30,346,663 0.31% 147,982
Mega Nuveen, LLC $30,212,552 0.31% 147,328
Mega WELLS FARGO & COMPANY/MN $30,007,276 0.30% 146,327
Mega PRINCIPAL FINANCIAL GROUP INC $29,643,893 0.30% 144,555
Large BESSEMER GROUP INC $29,291,167 0.30% 142,835
Large Grantham, Mayo, Van Otterloo & Co. LLC $27,986,723 0.28% 136,474
Mid Stephens Investment Management Group LLC $27,760,120 0.28% 135,369
Mega RHUMBLINE ADVISERS $27,493,734 0.28% 134,070
Small Alua Capital Management LP $27,012,025 0.27% 131,721
Mega Amundi $26,799,367 0.27% 130,684
Mid EMERALD ADVISERS, LLC $24,285,004 0.25% 118,423
Large ACADIAN ASSET MANAGEMENT LLC $24,164,833 0.24% 117,837
Mid Robeco Schweiz AG $23,521,529 0.24% 114,700
Small GUARDIAN POINT CAPITAL, LP $22,557,700 0.23% 110,000
Small Alta Park Capital, LP $20,862,181 0.21% 101,732
Mega Swiss National Bank Bank $19,879,690 0.20% 96,941
Large Freestone Grove Partners LP $19,791,100 0.20% 96,509
Mid DF DENT & CO INC $19,190,655 0.19% 93,581
Small South Street Advisors LLC $18,730,888 0.19% 91,339
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $18,148,695 0.18% 88,500
Mega VICTORY CAPITAL MANAGEMENT INC $17,710,665 0.18% 86,364
Large Russell Investments Group, Ltd. $17,392,800 0.18% 84,814
Mega California Public Employees Retirement System Pension $17,244,336 0.17% 84,090
Large LOOMIS SAYLES & CO L P $16,625,434 0.17% 81,072
Mid MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC $16,625,229 0.17% 81,071
Large TUDOR INVESTMENT CORP ET AL $16,461,789 0.17% 80,274
Large PEAK6 LLC $16,446,614 0.17% 80,200

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