Position in ONTO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$20,927,528
+$7,940,240 QoQ
Shares Held
55,298
-12.7% QoQ
Ownership
0.113%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#126
of 690 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ONTO Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $960,316,456 across 23 Semiconductor Equipment & Materials names. ONTO ranks #5 (2.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
423,289 | $306,037,947 | |
| 2 | LRCX |
Lam Research Corp
|
686,377 | $297,427,745 | |
| 3 | KLAC |
Kla Corp
|
699,073 | $210,917,314 | |
| 4 | TER |
Teradyne, Inc
|
96,209 | $46,549,762 | |
| 5 | ONTO |
Onto Innovation Inc.
This page
|
55,298 | $20,927,528 | |
| 6 | Q |
Qnity Electronics, Inc.
|
111,564 | $18,219,516 | |
| 7 | ENTG |
Entegris Inc
|
78,983 | $14,205,882 | |
| 8 | COHU |
Cohu Inc
|
105,772 | $7,817,608 |
All Filings in ONTO
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $20,927,528 | 55,298 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $12,987,288 | 63,331 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $10,563,359 | 66,916 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $7,912,786 | 61,235 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $6,184,485 | 61,275 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $7,941,096 | 65,445 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $9,963,199 | 59,778 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $10,938,412 | 52,700 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $11,888,734 | 54,148 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $10,525,275 | 58,125 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $10,149,502 | 66,380 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $8,294,283 | 65,043 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $8,405,406 | 72,168 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $7,227,426 | 82,242 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $6,284,230 | 92,293 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $6,106,334 | 95,337 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $6,863,601 | 98,417 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $14,501,941 | 166,900 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $17,290,084 | 170,800 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $12,311,400 | 170,400 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $12,774,696 | 174,900 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $11,354,688 | 172,800 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $8,216,640 | 172,800 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $6,530,754 | 219,300 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $7,464,972 | 219,300 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $6,506,631 | 219,300 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||