Position in FORM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$20,363,886
+$5,514,766 QoQ
Shares Held
127,330
-62.3% QoQ
Ownership
0.163%
of shares outstanding
% of Portfolio
0.42%
of 13F equity value
Holder Rank
#80
of 508 holders
Holding Since
Mar 2023
9 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in FORM 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. FORM ranks #5 (8.3% 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
|
342,254 | $29,365,393 | |
| 5 | FORM |
Formfactor Inc
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|
127,330 | $20,363,886 | |
| 6 | ACMR |
ACM Research, Inc.
|
13,000 | $1,649,570 |
All Filings in FORM
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9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $20,363,886 | 127,330 | Shares | Sole | 2026-08-14 | |
| 2024-12-31 | $14,849,120 | 337,480 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $15,215,880 | 330,780 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $18,508,863 | 305,780 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $10,800,621 | 236,700 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $6,640,232 | 159,200 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $6,572,214 | 188,100 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $4,893,460 | 143,000 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $3,232,775 | 101,500 | Shares | Sole | 2023-05-15 | |
| No filing history on record for this holder in this stock. | ||||||