NPORT-P false 0000803020 XXXXXXXX S000010233 C000028302 C000186091 OBERWEIS FUNDS 811-04854 0000803020 549300PK13EJ83VPPR97 3333 Warrenville Road Suite 500 Lisle 60532 800-245-7311 Oberweis China Opportunities Fund S000010233 5493001O4G9TLSV0YF73 2026-12-31 2026-06-30 N 69435327.83 1567194.41 67868133.42 0 0 0 0 0 0 0 0 0 0 0 0 0 N N/A N/A United Microelectronics Corp 391200YJCAGH9LF96P73 999999999 280000 NS 1445858.77 2.130394 Long EC CORP TW N 1 N N N Delta Electronics Inc 529900UVZWNWGDLJSM52 999999999 17000 NS 1040603.96 1.533273 Long EC CORP TW N 1 N N N PING AN 529900M9MC28JLN35U89 Y6898C108 88000 NS 572798.33 0.843987 Long EC CORP CN N 1 N N N Yageo Corp 5493001P0TOZH7GGNQ21 999999999 45000 NS 1610346.4 2.372757 Long EC CORP TW N 1 N N N TSMC 549300KB6NK5SBD14S87 999999999 43000 NS 3253025.29 4.793155 Long EC CORP TW N 1 N N N Weichai Power Co Ltd 529900OKTPKBG85F9502 999999999 295000 NS 1282625.05 1.889878 Long EC CORP CN N 1 N N N SUNNY OPTICAL 3003004QIVP0DFVVWM94 999999999 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N 1 N N N BeOne Medicines Ltd 549300JFUK6FRD5MH739 999999999 22000 NS 477986.46 0.704287 Long EC CORP US N 1 N N N Marketech International Corp 2549004A0CNQ3K1DFZ53 999999999 40000 NS 695619.42 1.024957 Long EC CORP TW N 1 N N N MPI Corp N/A Y6131E101 4000 NS 764679.11 1.126713 Long EC CORP TW N 1 N N N Montage Technology Co Ltd 836800ZMWT5PAN574D81 999999999 40505 NS 1849927.71 2.725767 Long EC CORP CN N 1 N N N Advanced Micro-Fabrication Equ N/A 999999999 15910 NS 1098510.77 1.618595 Long EC CORP CN N 1 N N N Zhuhai Bojay Electronics Co Lt N/A 999999999 35000 NS 732454.98 1.079232 Long EC CORP CN N 1 N N N Anji Microelectronics Technolo N/A 999999999 7000 NS 350196.01 0.515994 Long EC CORP CN N 1 N N N Zhejiang Lante Optics Co Ltd 836800FNM9TK3RP5S916 999999999 45000 NS 647272.08 0.95372 Long EC CORP CN N 1 N N N SBT Ultrasonic Technology Co L N/A 999999999 44000 NS 1473151.18 2.170608 Long EC CORP CN N 1 N N N China Resources Microelectroni N/A 999999999 26000 NS 373787.84 0.550756 Long EC CORP CN N 1 N N N Tencent Holdings Ltd 254900N4SLUMW4XUYY11 G87572163 55000 NS 3014063.68 4.441058 Long EC CORP CN N 1 N N N China Construction Bank Corp 5493001KQW6DM7KEDR62 023231069 1600000 NS 1646329.8 2.425777 Long EC CORP CN N 1 N N N Lenovo Group Ltd 254900VUZRGD5U73RE46 999999999 440000 NS 1291461.07 1.902897 Long EC CORP CN N 1 N N N Alibaba Group Holding Ltd 5493001NTNQJDH60PM02 999999999 230000 NS 2722908.62 4.012057 Long EC CORP HK N 1 N N N NetEase Inc 5299004AF4DSJDB0PA32 999999999 15000 NS 387101.71 0.570373 Long EC CORP CN N 1 N N N ACM Research Inc 549300MCTENUWL2GJL61 00108J109 13000 NS USD 1649570 2.430551 Long EC CORP US N 1 N N N China Shenhua Energy Co Ltd 529900N9JOX4C108MA40 022181653 115000 NS 588277.3 0.866794 Long EC CORP CN N 1 N N N Fidelity Government Portfolio 549300FQDFZGLUOCWN51 316175108 8561442.52 OU Pair Value USD 8561442.52 12.614819 Long STIV CORP US N 1 N N N H World Group Ltd 549300Y5ML31FVN83730 44332N106 8000 NS USD 333760 0.491777 Long CORP CN N 1 N N N Micron Technology Inc B3DXGBC8GAIYWI2Z0172 595112103 700 NS USD 808003 1.190548 Long EC CORP US N 1 N N N China Resources Land Ltd 5299001HL0TU7X15HK51 999999999 165000 NS 631144.09 0.929956 Long EC CORP HK N 1 N N N China Nonferrous Mining Corp L 529900VMGR2N3QX9OV63 999999999 150000 NS 215162.76 0.31703 Long EC CORP CN N 1 N N N HUA HONG GRACE 529900OXH3ZYLIMGB907 999999999 12000 NS 329265.96 0.485155 Long EC CORP CN N 1 N N N KB LAMINATES 529900B76JV9QCZINB33 G5257K107 300000 NS 3792602.23 5.588192 Long EC CORP HK N 1 N N N 2026-08-28 The Oberweis Funds Eric Hannemann Eric Hannemann Treasurer