Oberweis Micro-Cap Fund

Oberweis Micro-Cap Fund reported 80 holdings worth US$1.61B as of Jun 30, 2026 (Form N-PORT)

As of Jun 30, 2026 · Filed Aug 28, 2026

Oberweis Micro-Cap Fund reported 80 holdings worth US$1.61B as of Jun 30, 2026. Largest: Ultra Clean Holdings, Inc., Applied Optoelectronics, Inc. and Powell Industries, Inc. Filed Aug 28, 2026 (Form N-PORT).

Holdings
80
Value as reported
US$1.61B

The filing in full

CompanySharesValue as reported% of portfolio
Ultra Clean Holdings, Inc.497KUS$88.6M5.5%
Applied Optoelectronics, Inc.529KUS$78.3M4.9%
Powell Industries, Inc.173KUS$49.6M3.1%
Diodes Incorporated399KUS$43.7M2.7%
Rush Street Interactive, Inc.1.45MUS$43.1M2.7%
Blue Bird Corporation504KUS$40.4M2.5%
Maxlinear, Inc309KUS$39.5M2.4%
American Superconductor Corporation925KUS$38.4M2.4%
Ouster, Inc.528KUS$33M2.0%
Ceco Environmental Corp.346KUS$31.4M1.9%
Liquidia Corporation392KUS$31.3M1.9%
Pdf Solutions, Inc.412KUS$29.2M1.8%
Dave Inc.76,222US$28.4M1.8%
Nlight, Inc.399KUS$27.8M1.7%
Adaptive Biotechnologies Corporation1.25MUS$26.1M1.6%
Ambarella, Inc.302KUS$25.9M1.6%
Tutor Perini Corporation312KUS$25.9M1.6%
Omada Health, Inc.1.01MUS$22.2M1.4%
Ani Pharmaceuticals, Inc.256KUS$21.2M1.3%
Ezcorp, Inc.678KUS$21.2M1.3%
Ducommun Incorporated108KUS$20.3M1.3%
Skyward Specialty Insurance Group, Inc.347KUS$20.2M1.3%
Willdan Group, Inc.273KUS$20.1M1.2%
A10 Networks, Inc.481KUS$19.9M1.2%
Benchmark Electronics, Inc.194KUS$19.1M1.2%
Vse Corporation83,100US$19M1.2%
Eton Pharmaceuticals, Inc.484KUS$17.5M1.1%
Axogen, Inc.375KUS$17.3M1.1%
Argan, Inc.20,400US$16.3M1.0%
Veracyte, Inc.274KUS$16.1M1.00%
Trimas Corporation385KUS$15.7M0.97%
Interface, Inc.435KUS$15.2M0.94%
Pediatrix Medical Group, Inc.602KUS$15.2M0.94%
Propetro Holding Corp.1.13MUS$15.2M0.94%
Fastly, Inc.810KUS$15.1M0.94%
Onespaworld Holdings Limited534KUS$15.1M0.93%
Arlo Technologies, Inc.1.06MUS$14.2M0.88%
Innodata Inc.183KUS$13.8M0.86%
Lemaitre Vascular, Inc.143KUS$13.7M0.85%
Magnite, Inc.709KUS$13.5M0.83%
M/i Homes, Inc.80,400US$12.9M0.80%
Imax Corporation315KUS$12.6M0.78%
Eplus Inc.146KUS$12.1M0.75%
Boot Barn Holdings, Inc.70,600US$11.6M0.72%
Lindblad Expeditions Holdings Inc.406KUS$11.5M0.71%
V2x, Inc.172KUS$10.6M0.66%
Knowles Corporation251KUS$10.4M0.64%
Evolv Technologies Holdings, Inc.1.76MUS$10.2M0.63%
Cormedix Inc.1.28MUS$10M0.62%
Gorman-rupp Company (the)118KUS$9.61M0.59%
Fb Financial Corporation171KUS$9.45M0.59%
Phibro Animal Health Corporation300KUS$9.43M0.58%
Npk International Inc.621KUS$9.02M0.56%
American Public Education, Inc.167KUS$8.94M0.55%
Babcock & Wilcox Enterprises, Inc.606KUS$8.54M0.53%
Amprius Technologies, Inc.614KUS$8.51M0.53%
Precision Drilling Corporation107KUS$8.29M0.51%
Kforce, Inc.170KUS$7.99M0.49%
1st Source Corporation90,500US$7.38M0.46%
Pc Connection, Inc.101KUS$7.34M0.45%
Red Violet, Inc.115KUS$7.32M0.45%
Catalyst Pharmaceuticals, Inc.228KUS$7.17M0.44%
Bioventus Inc.685KUS$6.46M0.40%
The Chefs' Warehouse, Inc.55,544US$5.34M0.33%
The Vita Coco Company, Inc.70,900US$4.69M0.29%
Rocky Brands, Inc.113KUS$4.67M0.29%
Black Rock Coffee Bar, Inc.0US$00.00%
Primoris Services Corporation0US$00.00%
Coursera, Inc.0US$00.00%
Tactile Systems Technology, Inc.0US$00.00%
National Vision Holdings, Inc.0US$00.00%
Ibex Limited0US$00.00%
Cra International,inc.0US$00.00%
Genedx Holdings Corp.0US$00.00%
Huron Consulting Group Inc.0US$00.00%
Climb Global Solutions, Inc.0US$00.00%
Thermon Group Holdings, Inc.0US$00.00%
Alphatec Holdings, Inc.0US$00.00%
Artivion, Inc.0US$00.00%
Lincoln Educational Services Corporation0US$00.00%

Source

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