# EDGAR Filing Document

**Accession Number:** 0000803020
**File Stem:** 0001213900-25-081473
**Filing Date:** 2025-8
**Character Count:** 22197
**Document Hash:** 2652bb2229c5cc08799593fd32fd6594
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-25-081473.hdr.sgml**: 20250828

**ACCESSION NUMBER**: 0001213900-25-081473

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250828

**DATE AS OF CHANGE**: 20250828

**PERIOD START**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** OBERWEIS FUNDS
- **CENTRAL INDEX KEY:** 0000803020

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-04854
- **FILM NUMBER:** 251268965

**BUSINESS ADDRESS:**
- **STREET 1:** 3333 WARRENVILLE ROAD
- **STREET 2:** SUITE 500
- **CITY:** LISLE
- **STATE:** IL
- **ZIP:** 60532
- **BUSINESS PHONE:** 6305772300

**MAIL ADDRESS:**
- **STREET 1:** 3333 WARRENVILLE ROAD
- **STREET 2:** SUITE 500
- **CITY:** LISLE
- **STATE:** IL
- **ZIP:** 60532

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** OBERWEIS FUND
- **DATE OF NAME CHANGE:** 19960821

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** OBERWEIS EMERGING GROWTH FUND /IL/
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Oberweis China Opportunities Fund (Series ID: S000010233)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000028302 | Investor Class      | OBCHX           |
| C000186091 | Institutional Class | OCHIX           |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** OBERWEIS FUNDS

- **b. Investment Company Act file number:** 811-04854

- **c. CIK number of Registrant:** 0000803020

- **d. LEI of Registrant:** 549300PK13EJ83VPPR97

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 3333 Warrenville Road

  - **City:** Lisle

  - **State:** IL

  - **Foreign country:** US

  - **Zip / Postal Code:** 60532

  - **Telephone number:** 800-245-7311

**Item A.2. Information about the Series.**

- **a. Name of Series:** Oberweis China Opportunities Fund

- **b. EDGAR series identifier (if any):** S000010233

- **c. LEI of Series:** 5493001O4G9TLSV0YF73

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2025-12-31

- **b. Date as of which information is reported:** 2025-06-30

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $44093751.27

**Total Liabilities:** $93976.00

**Net Assets:** $43999775.27

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000028302 | -3.69%               | 2.64%                | 6.18%                |
| Class ID C000186091 | -3.75%               | 2.73%                | 6.19%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-517385.53              | $-1198621.93                               |
| Month 2  | $824141.51               | $184519.67                                 |
| Month 3  | $237026.75               | $2157434.02                                |

**Designated Index Information**

- **Index Name:** N/A

- **Index Identifier:** N/A

### Schedule of Portfolio Investments

| Name                           | Title                                         | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Meitu Inc                      | Meitu Inc                                     | CUSIP: 999999999<br>LEI: 529900P2POH56W116T02 | Long             | EC               | CORP              | CN        |    450000 | NS      | $517643.31    | 1.18%             |  |  |  | No            |                  1 | On Loan: No      |
| China Hongqiao Group Ltd       | China Hongqiao Group Ltd                      | CUSIP: 999999999<br>LEI: 3003009Q4IBFSDE24571 | Long             | EC               | CORP              | CN        |    260000 | NS      | $595515.92    | 1.35%             |  |  |  | No            |                  1 | On Loan: No      |
| 3SBio Inc                      | 3SBio Inc                                     | CUSIP: 999999999<br>LEI: 529900P0TQC1E9Y7FN31 | Long             | EC               | CORP              | CN        |    250000 | NS      | $753184.71    | 1.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Innovent Biologics Inc         | Innovent Biologics Inc                        | CUSIP: 999999999<br>LEI: 25490058ONL9SCIE1R22 | Long             | EC               | CORP              | CN        |     26000 | NS      | $259668.79    | 0.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Xiaomi Corp                    | Xiaomi Corp                                   | CUSIP: 999999999<br>LEI: 2549001ACVFAZRNMKL32 | Long             | EC               | CORP              | CN        |    400000 | NS      | $3054777.07   | 6.94%             |  |  |  | No            |                  1 | On Loan: No      |
| CHOW TAI FOOK                  | Chow Tai Fook Jewellery Group Ltd             | CUSIP: 999999999<br>LEI: 254900VXRL7SRSF44G79 | Long             | EC               | CORP              | HK        |    450000 | NS      | $769299.36    | 1.75%             |  |  |  | No            |                  1 | On Loan: No      |
| AAC Technologies Holdings Inc  | AAC Technologies Holdings Inc                 | CUSIP: G2953R106<br>LEI: 549300SKEDE1VKS0A552 | Long             | EC               | CORP              | CN        |     90000 | NS      | $466624.20    | 1.06%             |  |  |  | No            |                  1 | On Loan: No      |
| ANTA Sports Products Ltd       | ANTA Sports Products Ltd                      | CUSIP: G04011105<br>LEI: 529900291XG0CTK4LF95 | Long             | EC               | CORP              | CN        |     45000 | NS      | $541719.75    | 1.23%             |  |  |  | No            |                  1 | On Loan: No      |
| WuXi XDC Cayman Inc            | WuXi XDC Cayman Inc                           | CUSIP: 999999999<br>LEI: 549300BV0TP5RVPBYO24 | Long             | EC               | CORP              | CN        |    155000 | NS      | $821401.27    | 1.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Shanghai Conant Optical Co Ltd | Shanghai Conant Optical Co Ltd                | CUSIP: 999999999<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |     95000 | NS      | $452611.46    | 1.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Yantai China Pet Foods Co Ltd  | Yantai China Pet Foods Co Ltd                 | CUSIP: 999999999<br>LEI: 655600CR5H76LMBJYO93 | Long             | EC               | CORP              | CN        |     65000 | NS      | $561237.88    | 1.28%             |  |  |  | No            |                  1 | On Loan: No      |
| SUNNY OPTICAL                  | Sunny Optical Technology Group Co Ltd         | CUSIP: 999999999<br>LEI: 3003004QIVP0DFVVWM94 | Long             | EC               | CORP              | CN        |     54100 | NS      | $477940.76    | 1.09%             |  |  |  | No            |                  1 | On Loan: No      |
| Elite Material Co Ltd          | Elite Material Co Ltd                         | CUSIP: 999999999<br>LEI: N/A                  | Long             | EC               | CORP              | TW        |     25000 | NS      | $754826.78    | 1.72%             |  |  |  | No            |                  1 | On Loan: No      |
| BOC Hong Kong Holdings Ltd     | BOC Hong Kong Holdings Ltd                    | CUSIP: Y0920U103<br>LEI: 254900JB98W77JDJMW15 | Long             | EC               | CORP              | HK        |    190000 | NS      | $825350.32    | 1.88%             |  |  |  | No            |                  1 | On Loan: No      |
| CPIC                           | China Pacific Insurance Group Co Ltd          | CUSIP: Y1505R127<br>LEI: 529900BA5ILEL308WX03 | Long             | EC               | CORP              | CN        |    320000 | NS      | $1094522.29   | 2.49%             |  |  |  | No            |                  1 | On Loan: No      |
| Yixin Group Ltd                | Yixin Group Ltd                               | CUSIP: 999999999<br>LEI: 529900YTV0F6LHZT7H57 | Long             | EC               | CORP              | CN        |    850000 | NS      | $252292.99    | 0.57%             |  |  |  | No            |                  1 | On Loan: No      |
| Zijin Mining Group Co Ltd      | Zijin Mining Group Co Ltd                     | CUSIP: 999999999<br>LEI: 836800JRNL2393Z2I561 | Long             | EC               | CORP              | CN        |    430000 | NS      | $1098280.25   | 2.50%             |  |  |  | No            |                  1 | On Loan: No      |
| FLUSH INFO                     | Hithink RoyalFlush Information Network Co Ltd | CUSIP: 999999999<br>LEI: 300300TIQA4R0NPLQE78 | Long             | EC               | CORP              | CN        |     12500 | NS      | $476257.76    | 1.08%             |  |  |  | No            |                  1 | On Loan: No      |
| CATL                           | Contemporary Amperex Technology Co Ltd        | CUSIP: 999999999<br>LEI: 300300KINDY1K0E9I032 | Long             | EC               | CORP              | CN        |     15000 | NS      | $527988.28    | 1.20%             |  |  |  | No            |                  1 | On Loan: No      |
| TINGYI                         | Tingyi Cayman Islands Holding Corp            | CUSIP: G8878S103<br>LEI: 5299009MPI9B60VN4P25 | Long             | EC               | CORP              | CN        |    226000 | NS      | $331082.80    | 0.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Bloks Group Ltd                | Bloks Group Ltd                               | CUSIP: 999999999<br>LEI: 98450043CF41AECCFD15 | Long             | EC               | CORP              | CN        |     33300 | NS      | $598975.80    | 1.36%             |  |  |  | No            |                  1 | On Loan: No      |
| Hang Lung Properties Ltd       | Hang Lung Properties Ltd                      | CUSIP: 999999999<br>LEI: 529900CIVTNMXQT59E61 | Long             | EC               | CORP              | HK        |    400000 | NS      | $381656.05    | 0.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Meituan                        | Meituan                                       | CUSIP: 999999999<br>LEI: 21380033K525E5JLIA77 | Long             | EC               | CORP              | CN        |     67000 | NS      | $1069439.49   | 2.43%             |  |  |  | No            |                  1 | On Loan: No      |
| HKEX                           | Hong Kong Exchanges & Clearing Ltd            | CUSIP: 999999999<br>LEI: 213800YTVSXYQN17BW16 | Long             | EC               | CORP              | HK        |     20000 | NS      | $1067006.37   | 2.42%             |  |  |  | No            |                  1 | On Loan: No      |
| CICC                           | China International Capital Corp Ltd          | CUSIP: 999999999<br>LEI: 529900OS3SVVTT56QN67 | Long             | EC               | CORP              | CN        |    300000 | NS      | $676433.12    | 1.54%             |  |  |  | No            |                  1 | On Loan: No      |
| China Merchants Bank Co Ltd    | China Merchants Bank Co Ltd                   | CUSIP: 999999999<br>LEI: 549300MKO5B60FFIHF58 | Long             | EC               | CORP              | CN        |    120000 | NS      | $838471.34    | 1.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Minth Group Ltd                | Minth Group Ltd                               | CUSIP: 999999999<br>LEI: 254900B2AH0G13K9G204 | Long             | EC               | CORP              | TW        |     50000 | NS      | $142675.16    | 0.32%             |  |  |  | No            |                  1 | On Loan: No      |
| HSBC Holdings PLC              | HSBC Holdings PLC                             | CUSIP: 999999999<br>LEI: MLU0ZO3ML4LN2LL2TL39 | Long             | EC               | CORP              | GB        |     77200 | NS      | $933775.80    | 2.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Inspur Digital                 | Inspur Digital Enterprise Technology Ltd      | CUSIP: 999999999<br>LEI: 529900V1Z5X2HLRRAP68 | Long             | EC               | CORP              | HK        |    400000 | NS      | $384203.82    | 0.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Kweichow Moutai Co Ltd         | Kweichow Moutai Co Ltd                        | CUSIP: 999999999<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |      4000 | NS      | $786836.93    | 1.79%             |  |  |  | No            |                  1 | On Loan: No      |
| BeOne Medicines Ltd            | BeOne Medicines Ltd                           | CUSIP: 999999999<br>LEI: 549300JFUK6FRD5MH739 | Long             | EC               | CORP              | US        |     32000 | NS      | $602496.82    | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Angelalign Technology Inc      | Angelalign Technology Inc                     | CUSIP: 999999999<br>LEI: 98450086C0662FCC8F38 | Long             | EC               | CORP              | CN        |     40000 | NS      | $288152.87    | 0.65%             |  |  |  | No            |                  1 | On Loan: No      |
| Kuaishou Technology            | Kuaishou Technology                           | CUSIP: 999999999<br>LEI: 300300FCDZBE6UP9ED24 | Long             | EC               | CORP              | CN        |     35000 | NS      | $282229.30    | 0.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Smoore International Holdings  | Smoore International Holdings Ltd             | CUSIP: 999999999<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |    280000 | NS      | $650598.73    | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Tencent Holdings Ltd           | Tencent Holdings Ltd                          | CUSIP: G87572163<br>LEI: 254900N4SLUMW4XUYY11 | Long             | EC               | CORP              | CN        |     55000 | NS      | $3524203.82   | 8.01%             |  |  |  | No            |                  1 | On Loan: No      |
| China Construction Bank Corp   | China Construction Bank Corp                  | CUSIP: 023231069<br>LEI: 5493001KQW6DM7KEDR62 | Long             | EC               | CORP              | CN        |   1600000 | NS      | $1614267.52   | 3.67%             |  |  |  | No            |                  1 | On Loan: No      |
| JD.com Inc                     | JD.com Inc                                    | CUSIP: 999999999<br>LEI: 549300HVTWB0GJZ16V92 | Long             | EC               | CORP              | CN        |     35500 | NS      | $578401.27    | 1.31%             |  |  |  | No            |                  1 | On Loan: No      |
| NetEase Cloud Music Inc        | NetEase Cloud Music Inc                       | CUSIP: 999999999<br>LEI: N/A                  | Long             | EC               | CORP              | HK        |     13000 | NS      | $399108.28    | 0.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Newborn Town Inc               | Newborn Town Inc                              | CUSIP: 999999999<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |    350000 | NS      | $438280.25    | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Trip.com Group Ltd             | Trip.com Group Ltd                            | CUSIP: 999999999<br>LEI: 2549004RMYDSRQL4KW41 | Long             | EC               | CORP              | SG        |      9000 | NS      | $522802.55    | 1.19%             |  |  |  | No            |                  1 | On Loan: No      |
| WL DELICIOUS                   | Weilong Delicious Global Holdings Ltd         | CUSIP: 999999999<br>LEI: 655600F1VHA6I9T1SM27 | Long             | EC               | CORP              | CN        |    170000 | NS      | $314012.74    | 0.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Alibaba Group Holding Ltd      | Alibaba Group Holding Ltd                     | CUSIP: 999999999<br>LEI: 5493001NTNQJDH60PM02 | Long             | EC               | CORP              | CN        |    230000 | NS      | $3217070.06   | 7.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Pop Mart International Group L | Pop Mart International Group Ltd              | CUSIP: 999999999<br>LEI: 9845000A05E8F937E337 | Long             | EC               | CORP              | CN        |     65000 | NS      | $2207515.92   | 5.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Harbin Electric Co Ltd         | Harbin Electric Co Ltd                        | CUSIP: Y30683109<br>LEI: 529900QH6Y4U07RU0U61 | Long             | EC               | CORP              | CN        |    250000 | NS      | $186305.73    | 0.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Remegen Co Ltd                 | Remegen Co Ltd                                | CUSIP: 999999999<br>LEI: 300300M9HCX4TFAD4I10 | Long             | EC               | CORP              | CN        |     85000 | NS      | $589585.99    | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |
| NetEase Inc                    | NetEase Inc                                   | CUSIP: 999999999<br>LEI: 5299004AF4DSJDB0PA32 | Long             | EC               | CORP              | CN        |     39000 | NS      | $1048280.25   | 2.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Chagee Holdings Ltd            | Chagee Holdings Ltd                           | CUSIP: 15743P104<br>LEI: 984500EBA7IRCB66FD03 | Long             |  | CORP              | CN        |      7000 | NS      | $182770.00    | 0.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Government Portfolio  | Fidelity Government Portfolio                 | CUSIP: 316175108<br>LEI: 549300FQDFZGLUOCWN51 | Long             | STIV             | CORP              | US        |    138817 | OU      | $138816.57    | 0.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Futu Holdings Ltd              | Futu Holdings Ltd                             | CUSIP: 36118L106<br>LEI: 213800X4W4ZRESFPTQ37 | Long             |  | CORP              | HK        |      6500 | NS      | $803335.00    | 1.83%             |  |  |  | No            |                  1 | On Loan: No      |
| Hesai Group                    | Hesai Group                                   | CUSIP: 428050108<br>LEI: 836800KOYHURQT1JZY11 | Long             |  | CORP              | CN        |     28000 | NS      | $614600.00    | 1.40%             |  |  |  | No            |                  1 | On Loan: No      |
| PDD Holdings Inc               | PDD Holdings Inc                              | CUSIP: 722304102<br>LEI: 5493000573DS7005T657 | Long             |  | CORP              | IE        |      7000 | NS      | $732620.00    | 1.67%             |  |  |  | No            |                  1 | On Loan: No      |
| China Resources Mixc Lifestyle | China Resources Mixc Lifestyle Services Ltd   | CUSIP: 999999999<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |    205000 | NS      | $991050.96    | 2.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Full Truck Alliance Co Ltd     | Full Truck Alliance Co Ltd                    | CUSIP: 35969L108<br>LEI: 984500884LB1DP8DAC57 | Long             |  | CORP              | CN        |     45000 | NS      | $531450.00    | 1.21%             |  |  |  | No            |                  1 | On Loan: No      |
| BYD Co Ltd                     | BYD Co Ltd                                    | CUSIP: 999999999<br>LEI: 5299005557VL7ULJ7A69 | Long             | EC               | CORP              | CN        |     64500 | NS      | $1006528.66   | 2.29%             |  |  |  | No            |                  1 | On Loan: No      |
| SITC International Holdings Co | SITC International Holdings Co Ltd            | CUSIP: 999999999<br>LEI: 529900JUV4MOM9CE3V12 | Long             | EC               | CORP              | HK        |     93000 | NS      | $297955.41    | 0.68%             |  |  |  | No            |                  1 | On Loan: No      |
| NCI                            | New China Life Insurance Co Ltd               | CUSIP: 072180461<br>LEI: 300300F2001111000095 | Long             | EC               | CORP              | CN        |    100000 | NS      | $544585.99    | 1.24%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-08-28

**Name of Applicant:** The Oberweis Funds

**Signature:** Eric Hannemann

**Name of Signer:** Eric Hannemann

**Title:** Treasurer