OBERWEIS ASSET MANAGEMENT INC/
All 13F Filings
- Location
- Lisle, IL
- Most recent 13F
- Q2 2026
- Holdings value ($000)
- 4,839,542
- Description
- —
- Website
- —
- Founded
- —
- Chairman
- —
- CEO
- —
- All SEC filings
- View on sec.gov
Sector allocation over time (stocks only)
Stacked by quarter. Hover to see detailed sector breakdown for any quarter.
| Quarter | Date Filed | Holdings | Value ($000) | Form Type | Name |
|---|---|---|---|---|---|
| Q2 2026 | 8/14/2026 | 176 | 4,839,542 | 13F-HR | OBERWEIS ASSET MANAGEMENT INC/ |
| Q1 2026 | 5/15/2026 | 180 | 3,385,665 | 13F-HR | OBERWEIS ASSET MANAGEMENT INC/ |
| Q4 2025 | 2/17/2026 | 179 | 2,734,879 | 13F-HR | OBERWEIS ASSET MANAGEMENT INC/ |
| Q3 2025 | 11/17/2025 | 183 | 2,611,720 | 13F-HR | OBERWEIS ASSET MANAGEMENT INC/ |
| Q2 2025 | 8/14/2025 | 185 | 2,298,545 | 13F-HR | OBERWEIS ASSET MANAGEMENT INC/ |
| Q1 2014 | 5/15/2014 | 149 | 476,248 | 13F-HR | OBERWEIS ASSET MANAGEMENT INC/ |
| Q4 2013 | 2/14/2014 | 148 | 412,923 | 13F-HR | OBERWEIS ASSET MANAGEMENT INC/ |
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Money flow by instrument (QoQ, ex-options)
| Type | Value ($000) | Share % | Inflow | Outflow | Net |
|---|---|---|---|---|---|
| Stocks | 4.838 M | 100.0% | 1.454 M | 0 | 1.454 M |
| ETFs | 1.776 K | 0.0% | 0 | 58 | -58 |
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Fund Snapshot
Q2 2026
Latest filed
8/14/2026
Total value ($000)
4,839,542
Holdings
176
QoQ value change ($000)
1,453,877
(42.9%)
Value = total reported 13F value ($000), Holdings = number of positions.
13F Value over time
Holdings count over time
Sector allocation (latest, stocks only)
Methodology:
sector allocation is stocks-only;
instrument flow table is ex-options;
options exposure is shown separately.
Details.