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Robeco Schweiz AG

Position in AMBA — Ambarella Inc

CIK 1418427 ZURICH, V8

Position in AMBA

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$9,115,563
+$3,753,716 QoQ
Shares Held
106,242
+2.0% QoQ
Ownership
0.242%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
#51
of 336 holders
Holding Since
Mar 2022
18 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMBA Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

Robeco Schweiz AG holds $144,757,918 across 4 Semiconductor Equipment & Materials names. AMBA ranks #4 (6.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 AMBA
Ambarella Inc
This page
106,242 $9,115,563

All Filings in AMBA

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18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $9,115,563 106,242
2026-03-31 $5,361,847 104,154
2025-12-31 $11,518,229 162,595
2025-09-30 $20,427,413 247,545
2025-06-30 $16,723,638 253,120
2025-03-31 $21,094,309 419,120
2024-12-31 $19,997,680 274,920
2024-09-30 $16,009,158 283,800
2024-06-30 $16,185,000 300,000
2024-03-31 $17,587,997 346,425
2023-12-31 $22,588,735 368,555
2023-09-30 $20,761,775 391,510
2023-06-30 $34,640,216 414,010
2023-03-31 $27,474,422 354,875
2022-12-31 $30,631,497 372,510
2022-09-30 $20,927,611 372,510
2022-06-30 $24,370,758 372,300
2022-03-31 $29,325,140 279,500