Position in AMBA
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$29,365,393
+$14,169,270 QoQ
Shares Held
342,254
+15.9% QoQ
Ownership
0.780%
of shares outstanding
% of Portfolio
0.61%
of 13F equity value
Holder Rank
#29
of 336 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority
Sole 95%
Shared 0%
None 5%
Common Shares in AMBA Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026OBERWEIS ASSET MANAGEMENT INC/ holds $244,009,282 across 6 Semiconductor Equipment & Materials names. AMBA ranks #4 (12.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | UCTT |
Ultra Clean Holdings, Inc.
|
647,276 | $92,295,084 | |
| 2 | NVMI |
Nova Ltd.
|
108,675 | $59,004,004 | |
| 3 | CAMT |
Camtek Ltd
|
253,380 | $41,331,345 | |
| 4 | AMBA |
Ambarella Inc
This page
|
342,254 | $29,365,393 | |
| 5 | FORM |
Formfactor Inc
|
127,330 | $20,363,886 | |
| 6 | ACMR |
ACM Research, Inc.
|
13,000 | $1,649,570 |
All Filings in AMBA
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8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $29,365,393 | 342,254 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $15,196,123 | 295,185 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $43,769,202 | 617,860 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $50,449,427 | 611,360 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $37,881,895 | 573,360 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $28,628,962 | 568,825 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $13,296,872 | 182,800 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $9,138,420 | 162,000 | Shares | Sole | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||