OBERWEIS ASSET MANAGEMENT INC/
Top Portfolio Positions
177 positions ·
$3,384,941,871 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| AAOI |
Applied Optoelectronics, Inc.
Technology
|
2,349,969 | $198,783,877 | 5.87% | |
| LITE |
Lumentum Holdings Inc.
Technology
|
266,222 | $187,090,172 | 5.53% | |
| CRDO |
Credo Technology Group Holding Ltd
Technology
|
1,021,968 | $95,932,136 | 2.83% | |
| DOCN |
DigitalOcean Holdings, Inc.
Technology
|
927,505 | $79,561,378 | 2.35% | |
| SN |
SharkNinja, Inc.
Consumer Cyclical
|
599,970 | $63,536,823 | 1.88% | |
| NVMI |
Nova Ltd.
Technology
|
137,955 | $59,911,097 | 1.77% | |
| DAN |
DANA Inc
Consumer Cyclical
|
1,611,500 | $54,226,975 | 1.60% | |
| BTSG |
BrightSpring Health Services, Inc.
Healthcare
|
1,158,970 | $49,383,711 | 1.46% | |
| MTSI |
MACOM Technology Solutions Holdings, Inc.
Technology
|
215,886 | $47,941,804 | 1.42% | |
| RMBS |
Rambus Inc
Technology
|
526,316 | $45,278,965 | 1.34% |
Portfolio Trend
25 quarters · across all stocks
Holdings in CAMT
Shares Held
Position Value (USD)
25 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $33,775,675 | 222,780 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $23,277,888 | 218,880 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $22,436,579 | 213,580 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $18,060,324 | 213,580 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $11,724,827 | 199,980 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $16,152,384 | 199,980 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $14,227,673 | 178,180 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $22,315,263 | 178,180 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $14,926,138 | 178,180 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $12,105,422 | 174,480 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $10,358,818 | 166,380 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $5,280,437 | 148,202 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $3,336,228 | 117,680 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $1,299,592 | 59,180 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $1,371,200 | 59,180 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,488,616 | 59,880 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,766,070 | 57,980 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $2,227,415 | 48,380 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $1,660,099 | 40,980 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $1,545,355 | 40,980 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $1,374,802 | 45,980 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $1,292,251 | 58,980 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $907,112 | 58,980 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $741,968 | 58,980 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $786,428 | 93,400 | Shares | Sole | 2020-05-15 | |
| No 13F history on record for this holder in this stock. | ||||||