OBSIX
Oberweis Small-Cap Opportunities Fund
OBERWEIS FUNDS

Portfolio concentration

As of March 31, 2026 · N-PORT
Holdings
77
Top-10 weight
33.85%
Effective holdings ?
45
Crowding ?
439.1

Holdings

As of March 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 LUMENTUM HOLDINGS INC 228,700 $160.72M 8.01%
2 APPLIED OPTOELECTRONICS INC 1,071,126 $90.61M 4.51%
3 CREDO TECHNOLOGY 856,748 $80.42M 4.01%
4 DIGITALOCEAN HOLDINGS INC 770,300 $66.08M 3.29%
5 Nova Measuring Instruments Ltd NVMI US 122,200 $53.07M 2.64%
6 SharkNinja Inc 500,600 $53.01M 2.64%
7 DANA INC 1,427,000 $48.02M 2.39%
8 BRIGHTSPRING HEALTH SERVICES INC 1,026,800 $43.75M 2.18%
9 RAMBUS INC 436,600 $37.56M 1.87%
10 SITIME CORP 105,796 $36.54M 1.82%
11 MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC 163,800 $36.38M 1.81%
12 EVERUS CONSTRUCTION GROUP INC 289,500 $34.18M 1.70%
13 CLEAN HARBORS INC 117,000 $33.55M 1.67%
14 FRONTDOOR INC 633,800 $33.50M 1.67%
15 CARPENTER TECHNOLOGY CORP 80,100 $31.57M 1.57%
16 LATTICE SEMICONDUCTOR CORP 331,936 $30.79M 1.53%
17 SKYWEST INC 330,800 $30.38M 1.51%
18 GLOBUS MEDICAL INC 347,900 $29.98M 1.49%
19 ARCUTIS BIOTHERAPEUTICS INC 1,211,800 $28.55M 1.42%
20 LIFE TIME GROUP HOLDINGS INC 1,028,600 $27.71M 1.38%
21 FIRSTCASH HOLDINGS INC 146,800 $27.60M 1.37%
22 DUTCH BROS INC-A 530,600 $26.88M 1.34%
23 SOLARIS OIL IN-A 471,400 $26.64M 1.33%
24 FLOWSERVE CORP 351,000 $25.80M 1.29%
25 FED SIGNAL CORP 237,600 $25.69M 1.28%
26 ARCOSA INC 237,400 $25.20M 1.26%
27 OSI SYSTEMS INC 94,500 $25.09M 1.25%
28 CORE NATURAL RESOURCES INC 239,300 $25.06M 1.25%
29 MERIT MEDICAL SYSTEMS INC 359,500 $24.78M 1.23%
30 MERCURY SYSTEMS INC 333,600 $24.32M 1.21%
31 ENCOMPASS HEALTH CORP 245,900 $23.79M 1.18%
32 AAR CORP 217,300 $23.79M 1.18%
33 WAYSTAR HOLDING CORP 977,600 $23.57M 1.17%
34 ICU MEDICAL INC 171,500 $22.15M 1.10%
35 LITTELFUSE INC 63,500 $21.55M 1.07%
36 REMITLY GLOBAL INC 1,289,700 $20.21M 1.01%
37 ASSURANT INC 90,900 $19.80M 0.99%
38 GENPACT LTD 518,900 $19.33M 0.96%
39 LEVI STRAUSS and COMPANY CL A 1,032,900 $19.10M 0.95%
40 AMERIS BANCORP 233,500 $18.21M 0.91%
41 LEONARDO DRS INC 398,500 $17.74M 0.88%
42 URBAN OUTFITTERS 279,000 $17.67M 0.88%
43 INDIVIOR PHARMACEUTICALS INC 579,641 $17.67M 0.88%
44 GRAND CANYON EDUCATION INC 103,500 $17.60M 0.88%
45 MATADOR RESOURCES COMPANY 277,200 $17.51M 0.87%
46 VIAVI SOLUTIONS INC 525,700 $17.50M 0.87%
47 VISTANCE NETWORKS INC 960,912 $17.49M 0.87%
48 CHIME FINANCIAL INC 918,800 $17.21M 0.86%
49 IRHYTHM TECHNOLOGIES INC 138,600 $16.36M 0.81%
50 PEGASYSTEMS INC 374,400 $15.93M 0.79%
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