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ONTO · Onto Innovation Inc. · Shareholders & Ownership

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$219.62 -6.66 (-2.94%) At close · Oct 20
Market Cap
$11.10B
Shares
49.07M
Volume · Oct 20 1.18M Avg daily vol (3M) 1.01M

Every disclosed holder of ONTO in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns ONTO

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 48,736,340 99.31%
Insiders (Forms 3, 4, 5) 381,677 0.78%
13D/G-only blocks 0 0.00%
Remaining 43,770 -0.09%
Registered funds (N-PORT, not summed) 21,293,191 43.39%

Shares outstanding: 49,074,247, the issuer's latest cover-page count restated onto today's split basis.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of ONTO

# Holder Shares
1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
5,505,181
1.1
iShares Core S&P Mid-Cap ETF
Fund S000004307 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,702,379
1.2
BlackRock Mid-Cap Growth Equity Portfolio
Fund S000001505 · Registered fund · May 29, 2026
BlackRock Funds, not summed
260,956
1.3
iShares Russell Mid-Cap ETF
Fund S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
203,437
1.4
iShares S&P Mid-Cap 400 Growth ETF
Fund S000004308 · Registered fund · Jun 30, 2026
iShares Trust, not summed
142,978
1.5
iShares S&P Mid-Cap 400 Value ETF
Fund S000004309 · Registered fund · Jun 30, 2026
iShares Trust, not summed
129,573
2
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,727,910
3
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,247,737
4
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,580,264
5
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,554,825
5.1
State Street(R) SPDR(R) Portfolio S&P 400(TM) Mid Cap ETF
Fund S000006986 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
251,781
5.2
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Value ETF
Fund S000006988 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
39,745
5.3
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Growth ETF
Fund S000006987 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
37,094
5.4
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
17,357
5.5
State Street Institutional Small-Cap Equity Fund
Fund S000001631 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL FUNDS, not summed
10,482
6
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,433,715
7
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,351,886
7.1
Invesco Discovery Fund
Fund S000064618 · Registered fund · May 31, 2026
AIM Counselor Series Trust (Invesco Counselor Series Trust), not summed
436,589
7.2
Invesco Semiconductors ETF
Fund S000003032 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
277,441
7.3
Invesco Technology Fund
Fund S000000160 · Registered fund · Jul 31, 2026
AIM Sector Funds (Invesco Sector Funds), not summed
133,212
7.4
Invesco Small Cap Growth Fund
Fund S000000476 · Registered fund · Jun 30, 2026
AIM Growth Series (Invesco Growth Series), not summed
96,663
7.5
Invesco RAFI US 1500 Small-Mid ETF
Fund S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
35,949
8
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,140,626
9
PARADIGM CAPITAL MANAGEMENT INC/NY
13F CIK 1037792 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,101,438
10
Point72 Asset Management, L.P.
13F CIK 1603466 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
972,161
11
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
883,298
11.1
VIP Mid Cap Portfolio
Fund S000007734 · Registered fund · Jun 30, 2026
Variable Insurance Products Fund III, not summed
283,000
11.2
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
256,389
11.3
Fidelity Mid Cap Index Fund
Fund S000033637 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
187,706
11.4
Strategic Advisers Fidelity U.S. Total Stock Fund
Fund S000061481 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
184,617
11.5
Fidelity Mid-Cap Stock Fund
Fund S000055365 · Registered fund · Jul 31, 2026
Fidelity Concord Street Trust, not summed
161,100
12
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
853,306
12.1
T. Rowe Price Mid-Cap Value Fund, Inc.
Fund S000002103 · Registered fund · Jun 30, 2026
T. ROWE PRICE MID-CAP VALUE FUND, INC., not summed
234,300
12.2
T. Rowe Price Small-Cap Stock Fund, Inc.
Fund S000002120 · Registered fund · Jun 30, 2026
T. ROWE PRICE SMALL-CAP STOCK FUND, INC., not summed
91,766
12.3
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
91,503
12.4
T. Rowe Price Institutional Small-Cap Stock Fund
Fund S000002094 · Registered fund · Jun 30, 2026
T. Rowe Price Equity Funds, Inc., not summed
49,426
12.5
T. Rowe Price Science & Technology Fund, Inc.
Fund S000002119 · Registered fund · Jun 30, 2026
T. ROWE PRICE SCIENCE & TECHNOLOGY FUND, INC., not summed
34,800
13
VOYA INVESTMENT MANAGEMENT LLC
13F CIK 1068837 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
753,768
14
Pictet Asset Management Holding SA
13F CIK 1993888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
716,216
15
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13F CIK 1644956 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
665,377
15.1
William Blair Small-Mid Cap Growth Fund
Fund S000008603 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
78,366
15.2
William Blair Small Cap Growth Fund
Fund S000008602 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
38,150
15.3
William Blair Small-Mid Cap Core Fund
Fund S000066499 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
6,704
16
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
657,833
17
NORGES BANK
13F CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
649,734
18
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
632,976
19
VANGUARD INFORMATION TECHNOLOGY INDEX FUND
Fund S000004452 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
629,283
20
JENNISON ASSOCIATES LLC
13F CIK 53417 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
594,166
21
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
589,357
21.1
Dimensional U.S. Small Cap ETF
Fund S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
120,902
21.2
Dimensional U.S. Core Equity 2 ETF
Fund S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
61,397
21.3
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
61,123
21.4
U.S. CORE EQUITY 1 PORTFOLIO
Fund S000000979 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
49,000
21.5
U.S. CORE EQUITY 2 PORTFOLIO
Fund S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
48,140
22
Thrivent Financial for Lutherans
13F CIK 314984 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
586,721
22.1
THRIVENT MID CAP STOCK FUND
Fund S000001345 · Registered fund · Jul 31, 2026
Thrivent Mutual Funds, not summed
257,951
22.2
THRIVENT MID CAP STOCK PORTFOLIO
Fund S000001420 · Registered fund · Jun 30, 2026
Thrivent Series Fund, Inc., not summed
157,520
22.3
THRIVENT SMALL CAP STOCK FUND
Fund S000001358 · Registered fund · Jul 31, 2026
Thrivent Mutual Funds, not summed
76,864
22.4
THRIVENT SMALL CAP STOCK PORTFOLIO
Fund S000001445 · Registered fund · Jun 30, 2026
Thrivent Series Fund, Inc., not summed
25,543
22.5
THRIVENT AGGRESSIVE ALLOCATION FUND
Fund S000000700 · Registered fund · Jul 31, 2026
Thrivent Mutual Funds, not summed
15,167
23
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
570,313
24
FRANKLIN RESOURCES INC
13F CIK 38777 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
540,583
24.1
Franklin Small Cap Growth Fund
Fund S000006889 · Registered fund · Jul 31, 2026
Franklin Strategic Series, not summed
156,275
24.2
Putnam Small Cap Growth Fund
Fund S000000777 · Registered fund · Jun 30, 2026
Putnam Funds Trust, not summed
146,530
24.3
Franklin Small Cap Value VIP Fund
Fund S000007315 · Registered fund · Jun 30, 2026
Franklin Templeton Variable Insurance Products Trust, not summed
10,083
24.4
Franklin Small-Mid Cap Growth VIP Fund
Fund S000007314 · Registered fund · Jun 30, 2026
Franklin Templeton Variable Insurance Products Trust, not summed
5,575
24.5
Putnam Dynamic Asset Allocation Growth Fund
Fund S000000780 · Registered fund · Jun 30, 2026
Putnam Asset Allocation Funds, not summed
5,082
25
WELLINGTON MANAGEMENT GROUP LLP
13F CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
539,314
26
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
509,528
26.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
238,621
26.2
Schwab U.S. Mid-Cap ETF
Fund S000026635 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
134,432
26.3
Schwab Fundamental U.S. Small Company ETF
Fund S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
57,012
26.4
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
30,186
26.5
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
29,142
27
Fisher Asset Management, LLC
13F CIK 850529 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
491,836
28
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
488,517
28.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
89
29
GENEVA CAPITAL MANAGEMENT LLC
13F CIK 1009232 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
486,692
30
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
477,129
30.1
AQR Style Premia Alternative Fund
Fund S000042050 · Registered fund · Jun 30, 2026
AQR Funds, not summed
24,571
30.2
AQR Large Cap Multi-Style Fund
Fund S000040063 · Registered fund · Jun 30, 2026
AQR Funds, not summed
4,518
30.3
AQR Alternative Risk Premia Fund
Fund S000058563 · Registered fund · Jun 30, 2026
AQR Funds, not summed
2,465
31
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
454,838
31.1
Mid Cap Index Fund
Fund S000001273 · Registered fund · Jun 30, 2026
Northern Funds, not summed
32,334
31.2
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
2,212
32
Allspring Global Investments Holdings, LLC
13F CIK 1890906 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
435,360
32.1
Allspring Large Cap Core Fund
Fund S000029060 · Registered fund · Jul 31, 2026
ALLSPRING FUNDS TRUST, not summed
101,727
32.2
Allspring Special Small Cap Value Fund
Fund S000029108 · Registered fund · Jun 30, 2026
ALLSPRING FUNDS TRUST, not summed
76,614
32.3
Allspring Disciplined U.S. Core Fund
Fund S000029104 · Registered fund · Jul 31, 2026
ALLSPRING FUNDS TRUST, not summed
11,816
32.4
Allspring SMID Core ETF
Fund S000093515 · Registered fund · Jun 30, 2026
ALLSPRING EXCHANGE-TRADED FUNDS TRUST, not summed
8,472
32.5
Allspring Small Company Value Portfolio
Fund S000007553 · Registered fund · Jul 31, 2026
ALLSPRING MASTER TRUST, not summed
7,184
33
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
428,200
33.1
BNY Mellon US Mid Cap Core Equity ETF
Fund S000067261 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
8,073
34
Qube Research & Technologies Ltd
13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
421,430
35
Polar Capital Holdings Plc
13F CIK 1837309 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
406,645
36
Phoenix Financial Ltd.
13F CIK 1679543 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
401,813
37
VANGUARD EXPLORER FUND
Fund S000002578 · Registered fund · Jul 31, 2026
VANGUARD EXPLORER FUND, not summed
380,247
38
D. E. Shaw & Co., Inc.
13F CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
371,752
39
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
361,739
39.1
Goldman Sachs Small/Mid Cap Growth Fund
Fund S000009322 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
78,889
39.2
Goldman Sachs Small Cap Value Fund
Fund S000009323 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
23,690
39.3
Goldman Sachs Small Cap Equity ETF
Fund S000081978 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
15,729
39.4
Goldman Sachs Small Cap Growth Fund
Fund S000061413 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
13,332
39.5
Goldman Sachs Small/Mid Cap Equity Fund
Fund S000044015 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
7,798
40
Driehaus Capital Management LLC
13F CIK 938206 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
354,650
40.1
Driehaus Small Cap Growth Fund
Fund S000058261 · Registered fund · Jun 30, 2026
Driehaus Mutual Funds, not summed
45,192
40.2
Driehaus Small/Mid Cap Growth Fund
Fund S000068519 · Registered fund · Jun 30, 2026
Driehaus Mutual Funds, not summed
4,688
41
CITADEL ADVISORS LLC
13F CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
342,187
42
Analog Century Management LP
13F CIK 1753384 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
333,422
43
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
316,053
44
AMERIPRISE FINANCIAL INC
13F CIK 820027 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
299,900
44.1
Columbia Mid Cap Index Fund
Fund S000010826 · Registered fund · May 31, 2026
COLUMBIA FUNDS SERIES TRUST, not summed
35,465
44.2
Variable Portfolio - Partners Small Cap Growth Fund
Fund S000028697 · Registered fund · Jun 30, 2026
Columbia Funds Variable Series Trust II, not summed
16,182
44.3
Columbia Variable Portfolio - Small Company Growth Fund
Fund S000010658 · Registered fund · Jun 30, 2026
COLUMBIA FUNDS VARIABLE INSURANCE TRUST, not summed
12,420
44.4
Columbia Research Enhanced Value ETF
Fund S000066077 · Registered fund · Jul 31, 2026
Columbia ETF Trust I, not summed
386
44.5
Columbia Research Enhanced Mid Cap ETF
Fund S000095312 · Registered fund · Jun 30, 2026
Columbia ETF Trust I, not summed
30
45
WESTFIELD CAPITAL MANAGEMENT CO LP
13F CIK 1177719 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
299,383
46
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
298,851
47
ROYCE & ASSOCIATES LP
13F CIK 906304 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
286,087
47.1
Royce Small-Cap Fund
Fund S000009507 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
78,536
47.2
Royce Premier Fund
Fund S000009505 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
76,150
48
T. Rowe Price Investment Management, Inc.
13F CIK 1897612 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
276,259
49
AMERICAN CENTURY COMPANIES INC
13F CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
272,597
49.1
Small Cap Growth Fund
Fund S000006193 · Registered fund · Jul 31, 2026
American Century Mutual Funds, Inc., not summed
191,462
49.2
Small Company Fund
Fund S000005981 · Registered fund · Jun 30, 2026
American Century Quantitative Equity Funds, Inc., not summed
1,165
50
PGIM Jennison Small Company Fund
Fund S000004629 · Registered fund · Jun 30, 2026
Prudential Jennison Small Co Fund, Inc., not summed
262,098

140 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 947 holders

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Key facts CIK 704532 CUSIP 683344105 13F (30d) 82 filings 82 filers Visit website Investor relations