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OBERWEIS ASSET MANAGEMENT INC/
hedge fundUpdated 27 days agoManaged by Oberweis Asset Management Inc/ • Latest filing Q2 2026
Portfolio value
$4.8B
Q2 2026
Filings
14
Quarterly 13F history
Top-10 concentration
100.0%
Weight of largest holdings
Annualized return
69.1%
Implied from 13F holdings
Portfolio value history
13F-disclosed portfolio value over 14 quarters
Show data table
| Period | Portfolio value |
|---|---|
| Q1 2023 | $644.5M |
| Q2 2023 | $822.8M |
| Q3 2023 | $941.5M |
| Q4 2023 | $1.1B |
| Q1 2024 | $1.4B |
| Q2 2024 | $1.6B |
| Q3 2024 | $2B |
| Q4 2024 | $2.1B |
| Q1 2025 | $2B |
| Q2 2025 | $2.3B |
| Q3 2025 | $2.6B |
| Q4 2025 | $2.7B |
| Q1 2026 | $3.4B |
| Q2 2026 | $4.8B |
Top holdings
176 positions as of Q2 2026
| # | Stock | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|---|
| 1 | C CRDO Credo Technology Group | $275.6M | 1.01M | 5.69% | — |
| 2 | A AAOI Applied Optoelectronics Inc. | $265.4M | 1.79M | 5.48% | — |
| 3 | D DOCN DigitalOcean Holdings, Inc. | $146M | 930.0K | 3.02% | — |
| 4 | S SIMO Silicon Motion Techn ADR | $105.4M | 316.4K | 2.18% | — |
| 5 | U UCTT Ultra Clean Holdings | $92.3M | 647.3K | 1.91% | — |
| 6 | S SN SharkNinja, Inc. | $90.4M | 593.5K | 1.87% | — |
| 7 | S SITM SiTime Corporation | $89.1M | 119.5K | 1.84% | — |
| 8 | B BTSGU BrightSpring Health Services | $82.7M | 1.19M | 1.71% | — |
| 9 | H HNGE Hinge Health, Inc. | $71M | 855.5K | 1.47% | — |
| 10 | R RMBS Rambus, Inc | $70M | 527.0K | 1.45% | — |
| 11 | M MTSI Macom Technology Solutions | $68.2M | 179.4K | 1.41% | — |
| 12 | L LITE Lumentum Hldgs, Inc. | $61.9M | 72.2K | 1.28% | — |
| 13 | L LSCC Lattice Semiconductor Corporat | $59.9M | 391.8K | 1.24% | — |
| 14 | A ASMLF Nova Ltd. | $59M | 108.7K | 1.22% | — |
| 15 | C CRS Carpenter Technology Corp. | $57.5M | 93.3K | 1.19% | — |
| 16 | F FTDR Frontdoor, Inc. | $55.8M | 719.1K | 1.15% | — |
| 17 | E ECG Everus Construction Group | $54.5M | 328.2K | 1.13% | — |
| 18 | V VCYT Veracyte, Inc. | $51.5M | 877.7K | 1.07% | — |
| 19 | P POWL Powell Industries Inc. | $51.4M | 179.5K | 1.06% | — |
| 20 | L LTH Life Time Holdings, Inc. | $48.6M | 1.19M | 1.00% | — |