Robeco Institutional Asset Management B.V.
Position in AMBA — Ambarella Inc
CIK 1418773
ROTTERDAM, P7
Position in AMBA
as of Jun 30, 2026
· filed Jul 21, 2026
Position Value
$1,120,805
+$452,441 QoQ
Shares Held
13,063
+0.6% QoQ
Ownership
0.030%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#136
of 336 holders
Holding Since
Mar 2020
6 quarters on record
Voting authority
Sole 97%
Shared 0%
None 3%
Common Shares in AMBA Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026Robeco Institutional Asset Management B.V. holds $3,252,235,914 across 8 Semiconductor Equipment & Materials names. AMBA ranks #8 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
1,963,208 | $1,419,399,384 | |
| 2 | KLAC |
Kla Corp
|
2,680,912 | $808,857,959 | |
| 3 | LRCX |
Lam Research Corp
|
1,835,997 | $795,592,580 | |
| 4 | TER |
Teradyne, Inc
|
430,651 | $208,366,179 | |
| 5 | Q |
Qnity Electronics, Inc.
|
71,142 | $11,618,200 | |
| 6 | ONTO |
Onto Innovation Inc.
|
12,428 | $4,703,376 | |
| 7 | FORM |
Formfactor Inc
|
16,116 | $2,577,431 | |
| 8 | AMBA |
Ambarella Inc
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|
13,063 | $1,120,805 |
All Filings in AMBA
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6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,120,805 | 13,063 | Shares | Defined | 2026-07-21 | |
| 2026-03-31 | $668,364 | 12,983 | Shares | Defined | 2026-04-21 | |
| 2025-12-31 | $804,246 | 11,353 | Shares | Defined | 2026-01-23 | |
| 2025-09-30 | $936,849 | 11,353 | Shares | Defined | 2025-10-22 | |
| 2025-06-30 | $276,899 | 4,191 | Shares | Defined | 2025-07-18 | |
| 2020-03-31 | $1,797,011 | 37,006 | Shares | Defined | 2021-01-19 | |
| No filing history on record for this holder in this stock. | ||||||