Position in ONTO
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$223,042,153
+$84,106,820 QoQ
Shares Held
589,357
-13.0% QoQ
Ownership
1.20%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#17
of 690 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 86%
Shared 8%
None 6%
Common Shares in ONTO Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026DIMENSIONAL FUND ADVISORS LP holds $12,038,891,902 across 26 Semiconductor Equipment & Materials names. ONTO ranks #9 (1.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LRCX |
Lam Research Corp
|
5,956,458 | $2,581,111,943 | |
| 2 | ASML |
Asml Holding NV
|
1,096,493 | $2,181,406,922 | |
| 3 | KLAC |
Kla Corp
|
7,008,040 | $2,114,395,746 | |
| 4 | AMAT |
Applied Materials Inc /De
|
2,691,332 | $1,945,833,036 | |
| 5 | AMKR |
Amkor Technology, Inc.
|
8,064,191 | $695,375,188 | |
| 6 | TER |
Teradyne, Inc
|
754,282 | $364,951,801 | |
| 7 | Q |
Qnity Electronics, Inc.
|
1,629,333 | $266,086,370 | |
| 8 | FORM |
Formfactor Inc
|
1,418,910 | $226,926,274 |
All Filings in ONTO
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $223,042,153 | 589,357 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $138,935,333 | 677,502 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $102,508,756 | 649,365 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $90,274,382 | 698,610 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $78,432,700 | 777,100 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $83,934,758 | 691,732 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $93,592,870 | 561,546 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $134,517,765 | 648,091 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $185,814,285 | 846,303 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $191,879,065 | 1,059,637 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $203,328,404 | 1,329,813 | Shares | Defined | 2024-02-07 | |
| 2023-09-30 | $183,872,487 | 1,441,911 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $167,642,373 | 1,439,361 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $137,609,532 | 1,565,880 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $113,829,727 | 1,671,754 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $107,373,226 | 1,676,397 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $119,480,658 | 1,713,230 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $158,200,014 | 1,820,693 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $189,658,049 | 1,873,536 | Shares | Defined | 2022-02-09 | |
| 2021-09-30 | $136,953,126 | 1,895,545 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $138,598,147 | 1,897,565 | Shares | Defined | 2021-08-12 | |
| 2021-03-31 | $125,196,408 | 1,905,287 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $92,634,057 | 1,948,140 | Shares | Defined | 2021-03-08 | |
| 2020-09-30 | $57,899,288 | 1,944,234 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $80,425,184 | 2,362,667 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $87,033,710 | 2,933,391 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||