OMCIX
Oberweis Micro-Cap Fund
OBERWEIS FUNDS

Portfolio concentration

As of March 31, 2026 · N-PORT
Holdings
77
Top-10 weight
33.96%
Effective holdings ?
44
Crowding ?
264.6

Holdings

As of March 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 APPLIED OPTOELECTRONICS INC 1,074,015 $90.85M 8.65%
2 ULTRA CLEAN HOLDINGS INC 613,300 $38.13M 3.63%
3 Camtek, Ltd./Israel CAMT 213,580 $32.38M 3.08%
4 Silicon Motion Technology Corp. SPONSORED ADR SIMO 271,200 $30.45M 2.90%
5 FASTLY INC CL A 1,028,000 $29.87M 2.84%
6 TUTOR PERINI CORP 377,800 $29.16M 2.78%
7 RUSH STREET INTERACTIVE INC 1,257,200 $27.34M 2.60%
8 AMER SUPERCONDTR 785,200 $26.58M 2.53%
9 PRIMORIS SVCS CORP 159,400 $22.80M 2.17%
10 BLUE BIRD CORP 373,400 $21.21M 2.02%
11 IMAX Corporation COM NPV IMAX US 553,700 $21.05M 2.00%
12 NLIGHT INC 347,800 $19.83M 1.89%
13 NATIONAL VISION HOLDINGS INC 765,600 $19.83M 1.89%
14 LivaNova PLC ORD GBP1.00 (DI) LIVN US 308,900 $19.63M 1.87%
15 POWELL INDUSTRIES INC 32,800 $17.75M 1.69%
16 ARGAN INC 31,700 $17.27M 1.64%
17 CATALYST PHARMACEUTICALS INC 690,300 $17.09M 1.63%
18 ANI PHARMACEUTICALS INC 212,500 $16.34M 1.56%
19 EZCORP INC CL A NON VTG 612,900 $15.56M 1.48%
20 GENEDX HOLDINGS CORP-A 241,800 $15.53M 1.48%
21 PHIBRO ANIMAL HEALTH CORP CL A 265,800 $14.70M 1.40%
22 DIODES INC 215,300 $14.70M 1.40%
23 KINIKSA PHARMACE 305,200 $14.70M 1.40%
24 LEMAITRE VASCULAR INC 132,700 $14.49M 1.38%
25 PEDIATRIX MEDICAL GROUP INC 672,600 $14.39M 1.37%
26 SKYWARD SPECIALTY INSURANCE GROUP INC 314,000 $13.72M 1.31%
27 LIQUIDIA TECHNOLOGIES INC 357,200 $13.48M 1.28%
28 ARLO TECHNOLOGIES INC 942,800 $13.42M 1.28%
29 PROPETRO HOLDING CORP 925,000 $13.33M 1.27%
30 AMBARELLA INC 255,300 $13.14M 1.25%
31 DUCOMMUN INC 95,700 $11.68M 1.11%
32 A10 NETWORKS INC 484,100 $11.19M 1.07%
33 DAVE INC 64,022 $11.15M 1.06%
34 AXOGEN INC 328,100 $10.87M 1.04%
35 BENCHMARK ELECTRONICS INC 193,600 $10.85M 1.03%
36 ADAPTIVE BIOTECHNOLOGIES CORP 774,600 $10.75M 1.02%
37 OneSpaWorld Holdings Ltd. COM USD0.0001 OSW US 465,400 $10.68M 1.02%
38 Nicolet Bankshares Inc NIC 71,600 $10.64M 1.01%
39 Precision Drilling Corporation PDS 108,100 $10.64M 1.01%
40 INTERFACE INC 425,300 $10.60M 1.01%
41 ETON PHARMACEUTICALS INC 420,900 $10.39M 0.99%
42 ALPHATEC HOLDINGS INC 929,322 $10.11M 0.96%
43 EPLUS INC 131,798 $9.92M 0.94%
44 NEWHOLD INVESTMENT CORP 1,604,700 $9.71M 0.92%
45 BOOT BARN HOLDINGS INC 65,500 $9.59M 0.91%
46 AMPRIUS TECHNOLOGIES INC 561,500 $9.47M 0.90%
47 M/I HOMES INC 73,200 $8.96M 0.85%
48 FB FINANCIAL CORP 155,400 $8.07M 0.77%
49 CORMEDIX INC 1,162,400 $7.89M 0.75%
50 ARTIVION INC 211,800 $7.76M 0.74%
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