Security Snapshot

ONTO INNOVATION INC. - Common Stock (ONTO) Institutional Ownership

CUSIP: 683344105

13F Institutional Holders and Ownership History from Q1 2016 to Q3 2026

13F reference period

Q3 2026

Institutions Reporting

383

Shares (Excl. Options)

24.27MFull value: 24,268,225 · shares · 30 Sep 2026

Price

$307.82

The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0.01%
Share change
-309,205
Value change
-$123,526,644
Number of holders
383
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
49,756,727
SEC-reported price per share
$292.67
Insider filing price
$292.67
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • ONTO - ONTO INNOVATION INC. - Common Stock is tracked under CUSIP 683344105.
  • 383 institutions reported positions in Q3 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 692 to 383 between Q2 2026 and Q3 2026.
  • SEC-reported value moved from
    $18.3BFull value: $18,303,603,122 · USD · 30 Jun 2026
    to
    $7.42BFull value: $7,415,084,881 · USD · 30 Sep 2026
    .

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

Latest holder context comes from 383 institutions filings for Q3 2026.

Open SEC evidence

Security key

683344105

13F reference period

Q3 2026

13F holders

383

13D/G owners

3

CIK / CUSIP context first

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 30 Sep 2026, 383 institutional investors reported holding
24.27MFull value: 24,268,225 · shares · 30 Sep 2026
shares of ONTO INNOVATION INC. - Common Stock (ONTO). This represents 49% of the company’s total
49.76MFull value: 49,756,727 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
37%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD PORTFOLIO MANAGEMENT LLC 5.2% 2,572,869 -5.7% 0.04% $791,980,536
VANGUARD CAPITAL MANAGEMENT LLC 4.4% 2,208,031 -1.8% 0.01% $679,676,102
STATE STREET CORP 3.1% 1,558,713 +0.25% 0.01% $479,803,036
Invesco Ltd. 2.6% 1,312,881 -2.9% 0.03% $404,131,030
GEODE CAPITAL MANAGEMENT, LLC 2.2% 1,098,556 -23% 0.02% $338,229,984
PARADIGM CAPITAL MANAGEMENT INC/NY 2.2% 1,097,939 -0.32% 11% $337,967,583
NORDEA INVESTMENT MANAGEMENT AB 1.7% 833,138 +979% 0.2% $254,007,113
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1.3% 652,188 -2% 0.65% $200,756,510
DIMENSIONAL FUND ADVISORS LP 1.2% 583,932 -0.92% 0.03% $179,738,754
Thrivent Financial for Lutherans 1.1% 566,200 -3.5% 0.29% $174,288,000
Pictet Asset Management Holding SA 1% 511,652 -29% 0.15% $157,457,594
MORGAN STANLEY 0.97% 484,133 -0.9% 0.01% $149,026,501
WESTFIELD CAPITAL MANAGEMENT CO LP 0.93% 460,374 +54% 0.46% $141,712,478
NEUBERGER BERMAN GROUP LLC 0.92% 459,829 +137% 0.1% $141,544,563
Qube Research & Technologies Ltd 0.92% 455,397 +8.1% 0.14% $140,180,305
Phoenix Financial Ltd. 0.9% 450,163 +12% 0.94% $138,569,175
FRANKLIN TEMPLETON INC 0.83% 413,270 -24% 0.02% $76,380,561
Fisher Asset Management, LLC 0.79% 393,466 -20% 0.03% $121,116,703
GENEVA CAPITAL MANAGEMENT LLC 0.69% 342,766 -30% 2.9% $105,510,239
AMERICAN CENTURY COMPANIES INC 0.68% 337,171 +24% 0.05% $103,788,507
VANGUARD FIDUCIARY TRUST CO 0.63% 312,882 -1% 0.02% $96,311,337
ROYCE & ASSOCIATES LP 0.61% 303,255 +6% 0.85% $93,347,954
TimesSquare Capital Management, LLC 0.57% 281,597 +30% 1.4% $86,681,189
Clearbridge Investments, LLC 0.55% 274,067 +43% 0.07% $84,363,304
RAYMOND JAMES FINANCIAL INC 0.54% 270,183 +28% 0.02% $83,167,732

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
43
Headline period
Q3 2026
Rows shown
1-25 of 43
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 24,268,225 $7,415,084,881 -$123,526,644 $307.82 383
2026 Q2 48,591,936 $18,303,603,122 +$372,382,763 $378.45 692
2026 Q1 48,089,513 $9,853,591,195 +$126,826,655 $205.07 579
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
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