Oberweis Asset Management Inc/ Portfolio Stock Holdings
According to the SEC 13F filed on August 14, 2026, Oberweis Asset Management Inc/ disclosed 171 stock positions valued at approximately $4.84B as of quarter-end June 30, 2026. The largest holdings include Credo Technology Group, Applied Optoelectronics Inc., and DigitalOcean Holdings, Inc..
- Report Period
- June 30, 2026
- No. of Stocks
- 171
- Portfolio Value
- $4.84B
Holdings by Sector
Oberweis Asset Management Inc/ Portfolio Holdings in Q2 2026
| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| Credo Technology Group | CRDO | Technology | 5.69% | 1,013,428 | -8,540 | -0.84% | $275,601,745 |
| Applied Optoelectronics Inc. | AAOI | Technology | 5.48% | 1,791,127 | -558,842 | -23.78% | $265,373,376 |
| DigitalOcean Holdings, Inc. | DOCN | Technology | 3.02% | 930,005 | +2,500 | +0.27% | $146,038,685 |
| Silicon Motion Techn ADR | SIMO | Technology | 2.18% | 316,350 | +33,800 | +11.96% | $105,448,946 |
| Ultra Clean Holdings | UCTT | Technology | 1.91% | 647,276 | +6,800 | +1.06% | $92,295,085 |
| SharkNinja, Inc. | SN | Other | 1.87% | 593,500 | -6,470 | -1.08% | $90,372,245 |
| SiTime Corporation | SITM | Technology | 1.84% | 119,501 | +220 | +0.18% | $89,095,166 |
| BrightSpring Health Services | BTSG | Healthcare | 1.71% | 1,185,280 | +26,310 | +2.27% | $82,661,427 |
| Hinge Health, Inc. | HNGE | Healthcare | 1.47% | 855,476 | +389,710 | +83.67% | $71,004,508 |
| Rambus, Inc | RMBS | Technology | 1.45% | 527,016 | +700 | +0.13% | $69,956,104 |
| Macom Technology Solutions | MTSI | Technology | 1.41% | 179,356 | -36,530 | -16.92% | $68,221,642 |
| Lumentum Hldgs, Inc. | LITE | Technology | 1.28% | 72,185 | -194,037 | -72.89% | $61,939,061 |
| Lattice Semiconductor Corporat | LSCC | Technology | 1.24% | 391,816 | +17,380 | +4.64% | $59,932,175 |
| Nova Ltd. | NVMI | Other | 1.22% | 108,675 | -29,280 | -21.22% | $59,004,005 |
| Carpenter Technology Corp. | CRS | Industrials | 1.19% | 93,273 | -1,160 | -1.23% | $57,534,775 |
| Frontdoor, Inc. | FTDR | Consumer Cyclical | 1.15% | 719,060 | +1,100 | +0.15% | $55,791,865 |
| Everus Construction Group | ECG | Other | 1.13% | 328,183 | +1,650 | +0.51% | $54,461,969 |
| Veracyte, Inc. | VCYT | Healthcare | 1.07% | 877,734 | +37,900 | +4.51% | $51,549,318 |
| Powell Industries Inc. | POWL | Industrials | 1.06% | 179,521 | +145,364 | +425.58% | $51,407,634 |
| Life Time Holdings, Inc. | LTH | Consumer Cyclical | 1.00% | 1,189,620 | +29,120 | +2.51% | $48,584,081 |
| Rush Street Interactive, Inc. | RSI | Consumer Cyclical | 1.00% | 1,627,930 | +193,370 | +13.48% | $48,414,638 |
| Mercury Systems, Inc. | MRCY | Industrials | 0.99% | 392,723 | +1,700 | +0.43% | $48,041,805 |
| Dutch Bros., Inc. | BROS | Consumer Cyclical | 0.97% | 656,093 | +57,600 | +9.62% | $47,114,038 |
| Clean Harbors, Inc. | CLH | Industrials | 0.95% | 153,475 | +9,120 | +6.32% | $45,850,656 |
| Solaris Energy Infrastructur | SOI | Other | 0.94% | 564,581 | +32,692 | +6.15% | $45,426,174 |
| Diodes, Inc. | DIOD | Technology | 0.94% | 413,750 | +189,450 | +84.46% | $45,280,800 |
| Arcosa, Inc. | ACA | Industrials | 0.89% | 295,450 | +27,750 | +10.37% | $42,925,931 |
| Blue Bird Corporation | BLBD | Industrials | 0.86% | 529,838 | +140,600 | +36.12% | $41,836,008 |
| Camtek, Ltd. | CAMT | Other | 0.85% | 253,380 | +30,600 | +13.74% | $41,331,346 |
| LivaNova Plc | LIVN | Other | 0.85% | 500,150 | +178,250 | +55.37% | $41,127,335 |
Showing 30 of 171 holdings in the latest reporting period.