OBERWEIS ASSET MANAGEMENT INC/
Top Portfolio Positions
174 positions ·
$3,370,979,481 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio |
|---|---|---|---|---|
| AAOI |
Applied Optoelectronics, Inc.
Technology
|
2,349,969 | $198,783,877 | 5.90% |
| LITE |
Lumentum Holdings Inc.
Technology
|
266,222 | $187,090,172 | 5.55% |
| CRDO |
Credo Technology Group Holding Ltd
Technology
|
1,021,968 | $95,932,136 | 2.85% |
| DOCN |
DigitalOcean Holdings, Inc.
Technology
|
927,505 | $79,561,378 | 2.36% |
| SN |
SharkNinja, Inc.
Consumer Cyclical
|
599,970 | $63,536,823 | 1.88% |
| NVMI |
Nova Ltd.
Technology
|
137,955 | $59,911,097 | 1.78% |
| DAN |
DANA Inc
Consumer Cyclical
|
1,611,500 | $54,226,975 | 1.61% |
| 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
Holdings in BOOT
Shares Held
Position Value (USD)
25 of 25 shown
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $9,981,752 | 68,200 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $9,494,086 | 53,800 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $6,976,812 | 42,100 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $6,399,200 | 42,100 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $7,810,161 | 72,700 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $7,712,456 | 50,800 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $11,609,232 | 69,400 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $8,947,742 | 69,400 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $5,176,160 | 54,400 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $3,960,816 | 51,600 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $4,936,352 | 60,800 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $3,201,282 | 37,800 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $3,157,568 | 41,200 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $1,744,308 | 27,900 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $2,962,752 | 50,680 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $3,540,595 | 51,380 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $4,747,083 | 50,080 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $3,753,025 | 30,500 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $2,870,501 | 32,300 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $2,689,600 | 32,000 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $1,769,604 | 28,400 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $1,231,424 | 28,400 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $703,500 | 25,000 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $539,000 | 25,000 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $393,072 | 30,400 | Shares | Sole | 2020-05-15 | |
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