Position in ONTO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$204,103,381
+$92,567,453 QoQ
Shares Held
539,314
-0.8% QoQ
Ownership
1.10%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#20
of 686 holders
Holding Since
Mar 2020
21 quarters on record
Voting authority
Sole 0%
Shared 71%
None 29%
Common Shares in ONTO Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026WELLINGTON MANAGEMENT GROUP LLP holds $8,269,010,880 across 18 Semiconductor Equipment & Materials names. ONTO ranks #5 (2.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | KLAC |
Kla Corp
|
14,821,622 | $4,471,831,568 | |
| 2 | ASML |
Asml Holding NV
|
928,538 | $1,847,270,542 | |
| 3 | AMAT |
Applied Materials Inc /De
|
1,061,899 | $767,752,977 | |
| 4 | LRCX |
Lam Research Corp
|
1,215,581 | $526,747,713 | |
| 5 | ONTO |
Onto Innovation Inc.
This page
|
539,314 | $204,103,381 | |
| 6 | ICHR |
Ichor Holdings, Ltd.
|
1,108,844 | $124,501,001 | |
| 7 | VECO |
Veeco Instruments Inc
|
761,575 | $57,727,383 | |
| 8 | ENTG |
Entegris Inc
|
309,848 | $55,729,259 |
All Filings in ONTO
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $204,103,381 | 539,314 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $111,535,928 | 543,892 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $192,359,985 | 1,218,548 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $180,778,131 | 1,398,995 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $10,721,085 | 106,223 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $59,385,372 | 489,413 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $72,469,114 | 434,806 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $98,228,599 | 473,254 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $164,003,414 | 746,964 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $148,413,710 | 819,603 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $129,142,856 | 844,623 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $95,346,448 | 747,698 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $101,719,305 | 873,352 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $40,762,170 | 463,839 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $11,366,330 | 166,931 | Shares | Defined | 2023-02-13 | |
| 2021-06-30 | $22,423,936 | 307,009 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $54,804,570 | 834,037 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $93,270,702 | 1,961,529 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $87,021,119 | 2,922,133 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $131,572,802 | 3,865,241 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $118,468,006 | 3,992,855 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||