DIMETRICS
O
Onto Innovation
ONTO · HBM & Packaging
$304.73
-14.59 (-4.57%)
As of Jul 15, 2026 close
Institutional Ownership — Q1 2026 (filed through May 29)
Institutional Holders
567
+81 vs Q4 2025
Shares Held
47.5M
-391K QoQ
% of Shares Out
43.6%
21.7M held with sole discretion
Value Held
$14.5B
at $304.73 · Jul 15, 2026 close
5%+ Owners
3
via 13G/13D
% of Shares Out counts only shares held with sole investment discretion. Where two managers share discretion, Form 13F requires each to report the full position, so summing every filer exceeds 100% of shares outstanding for widely-held names.
Holder Map
Block size ∝ position · color = QoQ change
Whale Activity — Q1 2026 Filings
Increased195
Decreased173
New position137
Closed56
Institutional Shares Held by Quarter
Holders
Sortable · search holders
Source
% of Shrs Out
Period
BlackRock, Inc.13F
5,534,265
+602,439
+12.2%
$1.1B
11.1%
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC13F
2,743,019
+2,743,019
new
$562.5M
5.5%
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC13F
2,222,852
+2,222,852
new
$455.8M
4.5%
Mar 31, 2026
STATE STREET CORP13F
1,499,684
+40,406
+2.8%
$307.6M
3.0%
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC13F
1,211,014
+83,482
+7.4%
$248.4M
2.4%
Mar 31, 2026
Point72 Asset Management, L.P.13F
1,203,658
+818,891
+212.8%
$246.8M
2.4%
Mar 31, 2026
PARADIGM CAPITAL MANAGEMENT INC/NY13F
1,102,438
-23,400
-2.1%
$226.1M
2.2%
Mar 31, 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC13F
964,213
-762,374
-44.2%
$197.7M
1.9%
Mar 31, 2026
VOYA INVESTMENT MANAGEMENT LLC13F
917,155
-54,087
-5.6%
$187.8M
1.8%
Mar 31, 2026
FMR LLC13F
828,977
+377,622
+83.7%
$170.0M
1.7%
Mar 31, 2026
Thrivent Financial for Lutherans13F
739,292
-221,619
-23.1%
$151.6M
1.5%
Mar 31, 2026
D. E. Shaw & Co., Inc.13F
722,578
+205,389
+39.7%
$148.2M
1.5%
Mar 31, 2026
GENEVA CAPITAL MANAGEMENT LLC13F
705,943
-125,398
-15.1%
$144.8M
1.4%
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP13F
677,502
+28,137
+4.3%
$138.9M
1.4%
Mar 31, 2026
Fisher Asset Management, LLC13F
649,981
-52,018
-7.4%
$133.3M
1.3%
Mar 31, 2026
Invesco Ltd.13F
632,803
+505,862
+398.5%
$129.8M
1.3%
Mar 31, 2026
PRICE T ROWE ASSOCIATES INC /MD/13F
605,783
-74,483
-10.9%
$124.2M
1.2%
Mar 31, 2026
JANE STREET GROUP, LLC13F
604,688
+602,673
+29909.3%
$124.0M
1.2%
Mar 31, 2026
AQR CAPITAL MANAGEMENT LLC13F
590,809
-24,842
-4.0%
$121.2M
1.2%
Mar 31, 2026
FRANKLIN RESOURCES INC13F
579,203
-773,798
-57.2%
$118.8M
1.2%
Mar 31, 2026
Bank of New York Mellon Corp13F
567,805
-32,988
-5.5%
$116.4M
1.1%
Mar 31, 2026
JENNISON ASSOCIATES LLC13F
564,305
-116,517
-17.1%
$115.7M
1.1%
Mar 31, 2026
WELLINGTON MANAGEMENT GROUP LLP13F
543,892
-674,656
-55.4%
$111.5M
1.1%
Mar 31, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC13F
529,565
+25,258
+5.0%
$108.6M
1.1%
Mar 31, 2026
MARSHALL WACE, LLP13F
483,070
+53,377
+12.4%
$99.1M
1.0%
Mar 31, 2026
GOLDMAN SACHS GROUP INC13F
482,278
+26,797
+5.9%
$98.9M
1.0%
Mar 31, 2026
NORTHERN TRUST CORP13F
456,017
+10,770
+2.4%
$93.5M
0.9%
Mar 31, 2026
UBS Group AG13F
439,435
+182,704
+71.2%
$90.1M
0.9%
Mar 31, 2026
MORGAN STANLEY13F
436,025
-31,164
-6.7%
$89.4M
0.9%
Mar 31, 2026
T. Rowe Price Investment Management, Inc.13F
414,786
+84,371
+25.5%
$85.1M
0.8%
Mar 31, 2026
Channing Capital Management, LLC13F
360,102
-158,780
-30.6%
$73.8M
0.7%
Mar 31, 2026
Allspring Global Investments Holdings, LLC13F
359,998
+88,388
+32.5%
$76.2M
0.7%
Mar 31, 2026
Bridgewater Associates, LP13F
348,405
+255,269
+274.1%
$71.4M
0.7%
Mar 31, 2026
WESTFIELD CAPITAL MANAGEMENT CO LP13F
326,960
-156,122
-32.3%
$67.0M
0.7%
Mar 31, 2026
Driehaus Capital Management LLC13F
320,534
-28,480
-8.2%
$65.7M
0.6%
Mar 31, 2026
ROYCE & ASSOCIATES LP13F
317,109
-48,626
-13.3%
$65.0M
0.6%
Mar 31, 2026
JPMORGAN CHASE & CO13F
316,196
-65,435
-17.1%
$59.8M
0.6%
Mar 31, 2026
TWO SIGMA INVESTMENTS, LP13F
312,662
+226,207
+261.6%
$64.1M
0.6%
Mar 31, 2026
VANGUARD FIDUCIARY TRUST CO13F
310,154
+310,154
new
$63.6M
0.6%
Mar 31, 2026
AMERIPRISE FINANCIAL INC13F
309,404
+197,346
+176.1%
$63.4M
0.6%
Mar 31, 2026
GLENVIEW CAPITAL MANAGEMENT, LLC13F
299,721
-115,091
-27.7%
$61.5M
0.6%
Mar 31, 2026
CITADEL ADVISORS LLC13F
296,570
+157,804
+113.7%
$60.8M
0.6%
Mar 31, 2026
BNP PARIBAS FINANCIAL MARKETS13F
282,350
+57,827
+25.8%
$57.9M
0.6%
Mar 31, 2026
SEGALL BRYANT & HAMILL, LLC13F
275,689
-123,516
-30.9%
$56.5M
0.6%
Mar 31, 2026
TimesSquare Capital Management, LLC13F
267,934
+34,823
+14.9%
$54.9M
0.5%
Mar 31, 2026
Penserra Capital Management LLC13F
254,578
+17,366
+7.3%
$52.2M
0.5%
Mar 31, 2026
RAYMOND JAMES FINANCIAL INC13F
252,923
-29,677
-10.5%
$49.9M
0.5%
Mar 31, 2026
Defiance ETFs, LLC13F
249,860
+12,648
+5.3%
$51.2M
0.5%
Mar 31, 2026
NEW YORK STATE COMMON RETIREMENT FUND13F
239,402
+19,881
+9.1%
$49.1M
0.5%
Mar 31, 2026
SG Capital Management LLC13F
229,486
+113,337
+97.6%
$47.1M
0.5%
Mar 31, 2026
Page 1 of 12
Derivatives Institutional Owners
13F put/call positions · excluded from ownership totals
Type
Period
SUSQUEHANNA INTERNATIONAL GROUP, LLPPut
88,500
+55,100
+165.0%
$18.1M
Mar 31, 2026
PEAK6 LLCCall
80,200
+80,200
new
$16.4M
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLPCall
70,900
+1,400
+2.0%
$14.5M
Mar 31, 2026
CITADEL ADVISORS LLCPut
48,700
+23,000
+89.5%
$10.0M
Mar 31, 2026
CITADEL ADVISORS LLCCall
47,000
+23,400
+99.2%
$9.6M
Mar 31, 2026
JANE STREET GROUP, LLCPut
37,500
+29,900
+393.4%
$7.7M
Mar 31, 2026
JANE STREET GROUP, LLCCall
23,300
-11,900
-33.8%
$4.8M
Mar 31, 2026
CITIGROUP INCCall
19,400
+19,400
new
$4.0M
Mar 31, 2026
Twin Tree Management, LPPut
12,300
+6,100
+98.4%
$2.5M
Mar 31, 2026
Walleye Trading LLCPut
3,500
-1,600
-31.4%
$717.7K
Mar 31, 2026
TUDOR INVESTMENT CORP ET ALCall
2,500
+2,500
new
$512.7K
Mar 31, 2026
TWO SIGMA INVESTMENTS, LPCall
2,000
+2,000
new
$410.1K
Mar 31, 2026
Dockside LLCPut
1,690
+1,690
new
$346.6K
Mar 31, 2026
TWO SIGMA INVESTMENTS, LPPut
1,100
+1,100
new
$225.6K
Mar 31, 2026
Walleye Trading LLCCall
1,100
-600
-35.3%
$225.6K
Mar 31, 2026
Walleye Capital LLCCall
600
-300
-33.3%
$123.0K
Mar 31, 2026
Cerity Partners LLCCall
300
+300
new
$61.5K
Mar 31, 2026
Ownership Events — 13G / 13D
Event-driven, scanned daily
Vanguard Capital Management crosses 5.0%
Initial Schedule 13G · 2,602,830 shares reported
13GApr 29, 2026
Vanguard Portfolio Management crosses 5.0%
Initial Schedule 13G · 2,751,547 shares reported
13GApr 29, 2026
BlackRock, Inc. reports 10.3% (from 11.3%)
Schedule 13G/A · amendment
13G/AOct 17, 2025
BlackRock, Inc. reports 11.3%
Schedule 13G/A · amendment
13G/AApr 29, 2025
VANGUARD GROUP INC reports —%
Schedule 13G/A · amendment
13G/AFeb 13, 2024
BlackRock Inc. reports —%
Schedule 13G/A · amendment
13G/AJan 23, 2024
VANGUARD GROUP INC reports —%
Schedule 13G/A · amendment
13G/AFeb 9, 2023
BlackRock Inc. reports —%
Schedule 13G/A · amendment
13G/AJan 23, 2023
Quarterly holdings from SEC Form 13F-HR structured data sets (filed within 45 days of quarter end); 5%+ ownership events from Schedule 13G/13D filings scanned daily via EDGAR. Each row links to the source filing. Est. Avg Cost is a rolling-average estimate — each quarter's added shares priced at that quarter's 13F value ÷ shares, split-adjusted, with history beginning 2024-Q2; positions with one quarter of history or a data-quality flag show “—”.