OBERWEIS ASSET MANAGEMENT INC/
CIK: 0000937886SEC EDGAR →
Portfolio Value
$2.7B
Holdings
179
As of
Q4 2025
New Positions
180
Closed Positions
0
Top 10 Holdings
| Rank | Stock | Shares | Value | % of Portfolio |
|---|---|---|---|---|
| 1 | Lumentum Hldgs, Inc. | 280,930 | $103.5M | 3.79% |
| 2 | Credo Technology Group | 675,388 | $97.2M | 3.55% |
| 3 | Applied Optoelectronics Inc. | 2,039,641 | $71.1M | 2.60% |
| 4 | SharkNinja, Inc. | 526,310 | $58.9M | 2.15% |
| 5 | Ambarella, Inc. | 617,860 | $43.8M | 1.60% |
| 6 | Rambus, Inc | 462,100 | $42.5M | 1.55% |
| 7 | Skywest Inc | 382,220 | $38.4M | 1.40% |
| 8 | Encompass Health Corporation | 358,971 | $38.1M | 1.39% |
| 9 | SiTime Corporation | 106,396 | $37.6M | 1.37% |
| 10 | Digital Ocean Holdings, Inc. | 778,830 | $37.5M | 1.37% |
Quarterly Changes
New Positions (21)
$23.6M · 270K shares
$23.5M · 808K shares
$18.9M · 797K shares
$15.8M · 178K shares
$15.2M · 425K shares
$15.2M · 1.3M shares
$14.8M · 748K shares
$14.2M · 608K shares
$12.9M · 245K shares
$11.0M · 128K shares
$9.7M · 111K shares
$9.1M · 508K shares
$9.0M · 948K shares
$8.5M · 198K shares
$7.8M · 210K shares
$7.0M · 690K shares
$5.8M · 199K shares
$1.3M · 5K shares
$1.1M · 24K shares
$272K · 225 shares
$267K · 675 shares
Closed Positions (25)
$39.8M · 2.7M shares
$37.1M · 1.4M shares
$35.4M · 284K shares
$27.1M · 182K shares
$23.8M · 261K shares
$22.6M · 273K shares
$15.8M · 146K shares
$13.0M · 73K shares
$10.6M · 177K shares
$10.2M · 640K shares
$10.1M · 177K shares
$9.6M · 397K shares
$8.8M · 219K shares
$8.6M · 194K shares
$8.1M · 84K shares
$7.7M · 415K shares
$7.6M · 271K shares
$5.1M · 133K shares
$4.4M · 296K shares
$3.0M · 17K shares
$2.6M · 7K shares
$2.0M · 3K shares
$925K · 7K shares
$787K · 28K shares
$547K · 22K shares
Sector Breakdown
| Sector | # Holdings | Value | % |
|---|---|---|---|
| Technology | 49 | $986.4M | 36.1% |
| Healthcare | 33 | $498.6M | 18.2% |
| Industrials | 27 | $436.6M | 16.0% |
| Consumer Cyclical | 21 | $373.5M | 13.7% |
| Unknown | 14 | $145.7M | 5.3% |
| Financial Services | 17 | $119.8M | 4.4% |
| Energy | 8 | $79.9M | 2.9% |
| Communication Services | 3 | $48.8M | 1.8% |
| Consumer Defensive | 5 | $37.2M | 1.4% |
| Basic Materials | 2 | $6.9M | 0.3% |