Robeco Institutional Asset Management B.V.
Position in ONTO — Onto Innovation Inc.
CIK 1418773
ROTTERDAM, P7
Position in ONTO
as of Mar 31, 2026
· filed Apr 21, 2026
Position Value
$3,282,555
+$895,712 QoQ
Shares Held
16,007
+5.9% QoQ
Ownership
0.032%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2023
10 quarters on record
Voting authority
Sole 98.54438683076154.ToString("F0")%
Shared 0.ToString("F0")%
None 1.4556131692384582.ToString("F0")%
Common Shares in ONTO Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Mar 31, 2026Robeco Institutional Asset Management B.V. holds $1,136,169,919 across 8 Semiconductor Equipment & Materials names. ONTO ranks #6 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
1,757,378 | $600,654,226 | |
| 2 | LRCX |
Lam Research Corp
|
2,060,775 | $440,305,186 | |
| 3 | KLAC |
Kla Corp
|
303,514 | $44,689,704 | |
| 4 | TER |
Teradyne, Inc
|
121,314 | $35,964,748 | |
| 5 | Q |
Qnity Electronics, Inc.
|
66,076 | $7,623,848 | |
| 6 | ONTO |
Onto Innovation Inc.
This page
|
16,007 | $3,282,555 | |
| 7 | PLAB |
Photronics Inc
|
73,776 | $2,981,288 | |
| 8 | AMBA |
Ambarella Inc
|
12,983 | $668,364 |
All Filings in ONTO
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,282,555 | 16,007 | Shares | Defined | 2026-04-21 | |
| 2025-12-31 | $2,386,843 | 15,120 | Shares | Defined | 2026-01-23 | |
| 2025-09-30 | $2,481,411 | 19,203 | Shares | Defined | 2025-10-22 | |
| 2025-06-30 | $587,311 | 5,819 | Shares | Defined | 2025-07-18 | |
| 2025-03-31 | $706,077 | 5,819 | Shares | Defined | 2025-04-23 | |
| 2024-12-31 | $969,852 | 5,819 | Shares | Defined | 2025-01-23 | |
| 2024-09-30 | $729,365 | 3,514 | Shares | Defined | 2024-10-29 | |
| 2024-06-30 | $771,533 | 3,514 | Shares | Defined | 2024-07-23 | |
| 2024-03-31 | $636,315 | 3,514 | Shares | Defined | 2024-04-24 | |
| 2023-12-31 | $693,095 | 4,533 | Shares | Defined | 2024-02-14 | |
| No filing history on record for this holder in this stock. | ||||||