T. Rowe Price Investment Management, Inc.
Position in ONTO — Onto Innovation Inc.
CIK 1897612
BALTIMORE, MD
Position in ONTO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$104,550,218
+$19,490,053 QoQ
Shares Held
276,259
-33.4% QoQ
Ownership
0.563%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#42
of 686 holders
Holding Since
Sep 2022
15 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, 2026T. Rowe Price Investment Management, Inc. holds $2,208,158,926 across 17 Semiconductor Equipment & Materials names. ONTO ranks #4 (4.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TER |
Teradyne, Inc
|
1,774,086 | $858,373,770 | |
| 2 | ASML |
Asml Holding NV
|
334,851 | $666,165,939 | |
| 3 | Q |
Qnity Electronics, Inc.
|
684,552 | $111,794,187 | |
| 4 | ONTO |
Onto Innovation Inc.
This page
|
276,259 | $104,550,218 | |
| 5 | FORM |
Formfactor Inc
|
592,746 | $94,797,867 | |
| 6 | KLAC |
Kla Corp
|
289,018 | $87,199,620 | |
| 7 | VECO |
Veeco Instruments Inc
|
604,585 | $45,827,543 | |
| 8 | KLIC |
Kulicke & Soffa Industries Inc
|
334,422 | $44,732,286 |
All Filings in ONTO
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $104,550,218 | 276,259 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $85,060,165 | 414,786 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $5,028,946 | 31,857 | Shares | Sole | 2026-02-17 | |
| 2025-06-30 | $99,361,245 | 984,457 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $1,861,962 | 15,345 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $22,360,613 | 134,161 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $122,891,709 | 592,078 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $315,537,360 | 1,437,135 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $343,630,807 | 1,897,674 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $303,921,623 | 1,987,715 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $254,781,134 | 1,997,970 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $215,665,519 | 1,851,683 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $166,316,063 | 1,892,536 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $128,825,871 | 1,891,994 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $105,854,410 | 1,652,684 | Shares | Sole | 2022-11-14 | |
| No filing history on record for this holder in this stock. | ||||||