# EDGAR Filing Document

**Accession Number:** 0000803020
**File Stem:** 0001213900-26-021574
**Filing Date:** 2026-2
**Character Count:** 20625
**Document Hash:** 38595481397195ffee0a619db3b52072
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-021574.hdr.sgml**: 20260227

**ACCESSION NUMBER**: 0001213900-26-021574

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260227

**DATE AS OF CHANGE**: 20260227

**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:** 26699583

**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:** 2025-12-31

**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:** $51763446.23

**Total Liabilities:** $246405.52

**Net Assets:** $51517040.71

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000028302 | -2.37%               | -3.94%               | 2.07%                |
| Class ID C000186091 | -2.32%               | -3.96%               | 2.15%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $947979.92               | $-2228595.96                               |
| Month 2  | $920676.57               | $-3011176.16                               |
| Month 3  | $506583.72               | $592022.42                                 |

**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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| China Hongqiao Group Ltd       | China Hongqiao Group Ltd                      | CUSIP: 999999999<br>LEI: 3003009Q4IBFSDE24571 | Long             | EC               | CORP              | CN        |    320000 | NS      | $1343912.01   | 2.61%             |  |  |  | No            |                  2 | On Loan: No      |
| Ganfeng Lithium Group Co Ltd   | Ganfeng Lithium Group Co Ltd                  | CUSIP: 999999999<br>LEI: 3003006BE6UOHWEOOR42 | Long             | EC               | CORP              | CN        |    100000 | NS      | $669144.38    | 1.30%             |  |  |  | No            |                  2 | On Loan: No      |
| WuXi XDC Cayman Inc            | WuXi XDC Cayman Inc                           | CUSIP: 999999999<br>LEI: 549300BV0TP5RVPBYO24 | Long             | EC               | CORP              | CN        |     80000 | NS      | $625523.79    | 1.21%             |  |  |  | No            |                  2 | On Loan: No      |
| Delta Electronics Inc          | Delta Electronics Inc                         | CUSIP: 999999999<br>LEI: 529900UVZWNWGDLJSM52 | Long             | EC               | CORP              | TW        |     30000 | NS      | $915118.82    | 1.78%             |  |  |  | No            |                  2 | On Loan: No      |
| SHENZHOU INTL                  | Shenzhou International Group Holdings Ltd     | CUSIP: 999999999<br>LEI: 529900B4W41TCUKJFM73 | Long             | EC               | CORP              | CN        |     45000 | NS      | $354593.78    | 0.69%             |  |  |  | No            |                  2 | On Loan: No      |
| PING AN                        | Ping An Insurance Group Co of China Ltd       | CUSIP: Y6898C108<br>LEI: 529900M9MC28JLN35U89 | Long             | EC               | CORP              | CN        |    118000 | NS      | $991165.43    | 1.92%             |  |  |  | No            |                  2 | On Loan: No      |
| Yageo Corp                     | Yageo Corp                                    | CUSIP: 999999999<br>LEI: 5493001P0TOZH7GGNQ21 | Long             | EC               | CORP              | TW        |     70000 | NS      | $513104.98    | 1.00%             |  |  |  | No            |                  2 | On Loan: No      |
| TSMC                           | Taiwan Semiconductor Manufacturing Co Ltd     | CUSIP: 999999999<br>LEI: 549300KB6NK5SBD14S87 | Long             | EC               | CORP              | TW        |     33000 | NS      | $1622190.43   | 3.15%             |  |  |  | No            |                  2 | On Loan: No      |
| Weichai Power Co Ltd           | Weichai Power Co Ltd                          | CUSIP: 999999999<br>LEI: 529900OKTPKBG85F9502 | Long             | EC               | CORP              | CN        |    170000 | NS      | $412559.14    | 0.80%             |  |  |  | No            |                  2 | On Loan: No      |
| Winbond Electronics Corp       | Winbond Electronics Corp                      | CUSIP: 999999999<br>LEI: 254900STBMBTLA91J410 | Long             | EC               | CORP              | TW        |    420000 | NS      | $1104975.41   | 2.14%             |  |  |  | No            |                  2 | On Loan: No      |
| LIUGONG                        | Guangxi Liugong Machinery Co Ltd              | CUSIP: 999999999<br>LEI: 8368002I2G890E1Y2387 | Long             | EC               | CORP              | CN        |     70000 | NS      | $118862.37    | 0.23%             |  |  |  | No            |                  2 | On Loan: No      |
| Gold Circuit Electronics Ltd   | Gold Circuit Electronics Ltd                  | CUSIP: 999999999<br>LEI: N/A                  | Long             | EC               | CORP              | TW        |     34000 | NS      | $742699.46    | 1.44%             |  |  |  | No            |                  2 | On Loan: No      |
| Elite Material Co Ltd          | Elite Material Co Ltd                         | CUSIP: 999999999<br>LEI: N/A                  | Long             | EC               | CORP              | TW        |     22000 | NS      | $1152622.64   | 2.24%             |  |  |  | No            |                  2 | On Loan: No      |
| BOC Hong Kong Holdings Ltd     | BOC Hong Kong Holdings Ltd                    | CUSIP: Y0920U103<br>LEI: 254900JB98W77JDJMW15 | Long             | EC               | CORP              | HK        |    220000 | NS      | $1116497.10   | 2.17%             |  |  |  | No            |                  2 | On Loan: No      |
| Galaxy Entertainment Group Ltd | Galaxy Entertainment Group Ltd                | CUSIP: 999999999<br>LEI: 549300ZSEBV3HR826S10 | Long             | EC               | CORP              | HK        |    105000 | NS      | $517736.20    | 1.00%             |  |  |  | No            |                  2 | On Loan: No      |
| Chuangxin Industries Holdings  | Chuangxin Industries Holdings Ltd             | CUSIP: 999999999<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |    250000 | NS      | $665578.78    | 1.29%             |  |  |  | No            |                  1 | On Loan: No      |
| Zijin Mining Group Co Ltd      | Zijin Mining Group Co Ltd                     | CUSIP: 999999999<br>LEI: 836800JRNL2393Z2I561 | Long             | EC               | CORP              | CN        |    380000 | NS      | $1739805.98   | 3.38%             |  |  |  | No            |                  2 | On Loan: No      |
| Sungrow Power Supply Co Ltd    | Sungrow Power Supply Co Ltd                   | CUSIP: 999999999<br>LEI: 30030052IWC7RGVFG505 | Long             | EC               | CORP              | CN        |     28000 | NS      | $685322.86    | 1.33%             |  |  |  | No            |                  2 | On Loan: No      |
| CATL                           | Contemporary Amperex Technology Co Ltd        | CUSIP: 999999999<br>LEI: 300300KINDY1K0E9I032 | Long             | EC               | CORP              | CN        |     23500 | NS      | $1235680.93   | 2.40%             |  |  |  | No            |                  2 | On Loan: No      |
| Asia Vital Components Co Ltd   | Asia Vital Components Co Ltd                  | CUSIP: 999999999<br>LEI: N/A                  | Long             | EC               | CORP              | TW        |     22000 | NS      | $1055882.51   | 2.05%             |  |  |  | No            |                  2 | On Loan: No      |
| Hansoh Pharmaceutical Group Co | Hansoh Pharmaceutical Group Co Ltd            | CUSIP: 999999999<br>LEI: 254900Q6MR00EBXTPF42 | Long             | EC               | CORP              | CN        |     95000 | NS      | $440166.14    | 0.85%             |  |  |  | No            |                  2 | On Loan: No      |
| Hang Lung Properties Ltd       | Hang Lung Properties Ltd                      | CUSIP: 999999999<br>LEI: 529900CIVTNMXQT59E61 | Long             | EC               | CORP              | HK        |    850000 | NS      | $941228.62    | 1.83%             |  |  |  | No            |                  2 | On Loan: No      |
| ASE Technology Holding Co Ltd  | ASE Technology Holding Co Ltd                 | CUSIP: 999999999<br>LEI: 300300GO8QHPMV87NZ73 | Long             | EC               | CORP              | TW        |     65000 | NS      | $512519.95    | 0.99%             |  |  |  | No            |                  2 | On Loan: No      |
| Jiaxin International Resources | Jiaxin International Resources Investment Ltd | CUSIP: 999999999<br>LEI: 98450000BMG7870N0359 | Long             | EC               | CORP              | HK        |     40000 | NS      | $240019.53    | 0.47%             |  |  |  | No            |                  1 | On Loan: No      |
| HKEX                           | Hong Kong Exchanges & Clearing Ltd            | CUSIP: 999999999<br>LEI: 213800YTVSXYQN17BW16 | Long             | EC               | CORP              | HK        |     20000 | NS      | $1046427.08   | 2.03%             |  |  |  | No            |                  2 | On Loan: No      |
| CICC                           | China International Capital Corp Ltd          | CUSIP: 999999999<br>LEI: 529900OS3SVVTT56QN67 | Long             | EC               | CORP              | CN        |    160000 | NS      | $404137.38    | 0.78%             |  |  |  | No            |                  2 | On Loan: No      |
| China Merchants Bank Co Ltd    | China Merchants Bank Co Ltd                   | CUSIP: 999999999<br>LEI: 549300MKO5B60FFIHF58 | Long             | EC               | CORP              | CN        |    170000 | NS      | $1156492.35   | 2.24%             |  |  |  | No            |                  2 | On Loan: No      |
| Minth Group Ltd                | Minth Group Ltd                               | CUSIP: 999999999<br>LEI: 254900B2AH0G13K9G204 | Long             | EC               | CORP              | TW        |     38000 | NS      | $155684.92    | 0.30%             |  |  |  | No            |                  2 | On Loan: No      |
| HSBC Holdings PLC              | HSBC Holdings PLC                             | CUSIP: 999999999<br>LEI: MLU0ZO3ML4LN2LL2TL39 | Long             | EC               | CORP              | GB        |     77200 | NS      | $1210170.29   | 2.35%             |  |  |  | No            |                  2 | On Loan: No      |
| L&K Engineering Suzhou Co Ltd  | L&K Engineering Suzhou Co Ltd                 | CUSIP: 999999999<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |     74945 | NS      | $1024120.71   | 1.99%             |  |  |  | No            |                  2 | On Loan: No      |
| BeOne Medicines Ltd            | BeOne Medicines Ltd                           | CUSIP: 999999999<br>LEI: 549300JFUK6FRD5MH739 | Long             | EC               | CORP              | US        |     29000 | NS      | $667472.11    | 1.30%             |  |  |  | No            |                  2 | On Loan: No      |
| CHINA EAST AIR                 | China Eastern Airlines Corp Ltd               | CUSIP: 999999999<br>LEI: 3003000KIOQE39Q7Y685 | Long             | EC               | CORP              | CN        |   1550000 | NS      | $1061620.65   | 2.06%             |  |  |  | No            |                  2 | On Loan: No      |
| China Shenhua Energy Co Ltd    | China Shenhua Energy Co Ltd                   | CUSIP: 022181653<br>LEI: 529900N9JOX4C108MA40 | Long             | EC               | CORP              | CN        |    150000 | NS      | $748963.08    | 1.45%             |  |  |  | No            |                  2 | On Loan: No      |
| Tencent Holdings Ltd           | Tencent Holdings Ltd                          | CUSIP: G87572163<br>LEI: 254900N4SLUMW4XUYY11 | Long             | EC               | CORP              | CN        |     55000 | NS      | $4220894.36   | 8.19%             |  |  |  | No            |                  2 | On Loan: No      |
| PetroChina Co Ltd              | PetroChina Co Ltd                             | CUSIP: Y6883Q104<br>LEI: 529900RPY4YG47TRSV05 | Long             | EC               | CORP              | CN        |    450000 | NS      | $485056.60    | 0.94%             |  |  |  | No            |                  2 | On Loan: No      |
| HUANENG POWER                  | Huaneng Power International Inc               | CUSIP: 999999999<br>LEI: 529900WU0SMVKMPG4V21 | Long             | EC               | CORP              | CN        |   1050000 | NS      | $773802.79    | 1.50%             |  |  |  | No            |                  2 | On Loan: No      |
| China Construction Bank Corp   | China Construction Bank Corp                  | CUSIP: 023231069<br>LEI: 5493001KQW6DM7KEDR62 | Long             | EC               | CORP              | CN        |   1600000 | NS      | $1583697.17   | 3.07%             |  |  |  | No            |                  2 | On Loan: No      |
| Nongfu Spring Co Ltd           | Nongfu Spring Co Ltd                          | CUSIP: 999999999<br>LEI: 300300P08GGT4SKR9G93 | Long             | EC               | CORP              | CN        |    155000 | NS      | $935721.86    | 1.82%             |  |  |  | No            |                  2 | On Loan: No      |
| Baidu Inc                      | Baidu Inc                                     | CUSIP: 999999999<br>LEI: 254900AL64IANZYI1E02 | Long             | EC               | CORP              | CN        |     53000 | NS      | $871596.57    | 1.69%             |  |  |  | No            |                  2 | On Loan: No      |
| Trip.com Group Ltd             | Trip.com Group Ltd                            | CUSIP: 999999999<br>LEI: 2549004RMYDSRQL4KW41 | Long             | EC               | CORP              | SG        |     14500 | NS      | $1039670.70   | 2.02%             |  |  |  | No            |                  2 | On Loan: No      |
| Alibaba Group Holding Ltd      | Alibaba Group Holding Ltd                     | CUSIP: 999999999<br>LEI: 5493001NTNQJDH60PM02 | Long             | EC               | CORP              | HK        |    230000 | NS      | $4223022.47   | 8.20%             |  |  |  | No            |                  2 | On Loan: No      |
| NetEase Inc                    | NetEase Inc                                   | CUSIP: 999999999<br>LEI: 5299004AF4DSJDB0PA32 | Long             | EC               | CORP              | CN        |     44000 | NS      | $1211108.38   | 2.35%             |  |  |  | No            |                  2 | On Loan: No      |
| Harbin Electric Co Ltd         | Harbin Electric Co Ltd                        | CUSIP: Y30683109<br>LEI: 529900QH6Y4U07RU0U61 | Long             | EC               | CORP              | CN        |    600000 | NS      | $1285998.43   | 2.50%             |  |  |  | No            |                  2 | On Loan: No      |
| Fidelity Government Portfolio  | Fidelity Government Portfolio                 | CUSIP: 316175108<br>LEI: 549300FQDFZGLUOCWN51 | Long             | STIV             | CORP              | US        |    784311 | OU      | $784310.90    | 1.52%             |  |  |  | No            |                  1 | On Loan: No      |
| Futu Holdings Ltd              | Futu Holdings Ltd                             | CUSIP: 36118L106<br>LEI: 213800X4W4ZRESFPTQ37 | Long             |  | CORP              | HK        |      6500 | NS      | $1067365.00   | 2.07%             |  |  |  | No            |                  1 | On Loan: No      |
| H World Group Ltd              | H World Group Ltd                             | CUSIP: 44332N106<br>LEI: 549300Y5ML31FVN83730 | Long             |  | CORP              | CN        |     24000 | NS      | $1129200.00   | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Micron Technology Inc          | Micron Technology Inc                         | CUSIP: 595112103<br>LEI: B3DXGBC8GAIYWI2Z0172 | Long             | EC               | CORP              | US        |      4500 | NS      | $1284345.00   | 2.49%             |  |  |  | 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      | $1134523.69   | 2.20%             |  |  |  | No            |                  2 | On Loan: No      |
| China Nonferrous Mining Corp L | China Nonferrous Mining Corp Ltd              | CUSIP: 999999999<br>LEI: N/A                  | Long             | EC               | CORP              | CN        |    370000 | NS      | $701971.68    | 1.36%             |  |  |  | No            |                  2 | On Loan: No      |
| AIA Group Ltd                  | AIA Group Ltd                                 | CUSIP: Y002A1105<br>LEI: ZP5ILWVSYE4LJGMMVD57 | Long             | EC               | CORP              | HK        |     80000 | NS      | $823447.90    | 1.60%             |  |  |  | No            |                  2 | On Loan: No      |
| NCI                            | New China Life Insurance Co Ltd               | CUSIP: 072180461<br>LEI: 300300F2001111000095 | Long             | EC               | CORP              | CN        |    115000 | NS      | $805780.19    | 1.56%             |  |  |  | No            |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2026-02-27

**Name of Applicant:** The Oberweis Funds

**Signature:** Eric Hannemann

**Name of Signer:** Eric Hannemann

**Title:** Treasurer