# EDGAR Filing Document

**Accession Number:** 0000803020
**File Stem:** 0001213900-26-021575
**Filing Date:** 2026-2
**Character Count:** 21002
**Document Hash:** dfcce1cefd1776afe2499a76e167f131
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-021575.hdr.sgml**: 20260227

**ACCESSION NUMBER**: 0001213900-26-021575

**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:** 26699638

**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 Global Opportunities Fund (Series ID: S000010230)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000028299 | Investor Class      | OBEGX           |
| C000186089 | Institutional Class | OBGIX           |

## 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 Global Opportunities Fund

- **b. EDGAR series identifier (if any):** S000010230

- **c. LEI of Series:** 5493000DHX8PFDGOU475

**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:** $57640036.77

**Total Liabilities:** $99006.26

**Net Assets:** $57541030.51

**Cash Not Reported:** $5502638.90

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000028299 | 0.20%                | 3.95%                | -1.76%               |
| Class ID C000186089 | 0.23%                | 3.99%                | -1.74%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $453484.08               | $-285506.99                                |
| Month 2  | $-700438.94              | $3029625.55                                |
| Month 3  | $945550.15               | $-1972788.10                               |

**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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Rambus Inc                     | Rambus Inc                              | CUSIP: 750917106<br>LEI: 2549000211GDCQSLV833 | Long             | EC               | CORP              | US        |      6000 | NS      | $551340.00    | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Rush Street Interactive Inc    | Rush Street Interactive Inc             | CUSIP: 782011100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     49800 | NS      | $967614.00    | 1.68%             |  |  |  | No            |                  1 | On Loan: No      |
| SkyWest Inc                    | SkyWest Inc                             | CUSIP: 830879102<br>LEI: 529900UYS2KGS6Z42P09 | Long             | EC               | CORP              | US        |      8700 | NS      | $873567.00    | 1.52%             |  |  |  | No            |                  1 | On Loan: No      |
| SharkNinja Inc                 | SharkNinja Inc                          | CUSIP: G8068L108<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     17100 | NS      | $1913490.00   | 3.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Storebrand ASA                 | Storebrand ASA                          | CUSIP: 999999999<br>LEI: 5967007LIEEXZX7NA051 | Long             | EC               | CORP              | NO        |     59100 | NS      | $1010063.56   | 1.76%             |  |  |  | No            |                  1 | On Loan: No      |
| Veracyte Inc                   | Veracyte Inc                            | CUSIP: 92337F107<br>LEI: 529900ESWZRHXOW27Z37 | Long             | EC               | CORP              | US        |     23000 | NS      | $968300.00    | 1.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Waystar Holding Corp           | Waystar Holding Corp                    | CUSIP: 946784105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     19000 | NS      | $622250.00    | 1.08%             |  |  |  | No            |                  1 | On Loan: No      |
| GeneDx Holdings Corp           | GeneDx Holdings Corp                    | CUSIP: 81663L200<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      5500 | NS      | $715330.00    | 1.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Zeta Global Holdings Corp      | Zeta Global Holdings Corp               | CUSIP: 98956A105<br>LEI: 2549008P9XSJQHGQ9S27 | Long             | EC               | CORP              | US        |     63200 | NS      | $1286120.00   | 2.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Food & Life Cos Ltd            | Food & Life Cos Ltd                     | CUSIP: 999999999<br>LEI: 529900CWF7GCVZKS5M87 | Long             | EC               | CORP              | JP        |     41800 | NS      | $2108633.37   | 3.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Sumitomo Pharma Co Ltd         | Sumitomo Pharma Co Ltd                  | CUSIP: 999999999<br>LEI: 529900D60UKVYLJ2OJ79 | Long             | EC               | CORP              | JP        |     48100 | NS      | $710365.21    | 1.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Mitsui E&S Co Ltd              | Mitsui E&S Co Ltd                       | CUSIP: 999999999<br>LEI: 5493007T2YKKWF2NYN82 | Long             | EC               | CORP              | JP        |     35600 | NS      | $1270903.80   | 2.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Ryohin Keikaku Co Ltd          | Ryohin Keikaku Co Ltd                   | CUSIP: 999999999<br>LEI: 549300PMNF56J66BY371 | Long             | EC               | CORP              | JP        |     74000 | NS      | $1306651.98   | 2.27%             |  |  |  | No            |                  1 | On Loan: No      |
| ACI Worldwide Inc              | ACI Worldwide Inc                       | CUSIP: 004498101<br>LEI: 5493003BPVMZUJ6F5C02 | Long             | EC               | CORP              | US        |     10400 | NS      | $497224.00    | 0.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Accelleron Industries AG       | Accelleron Industries AG                | CUSIP: 999999999<br>LEI: 254900KS0MD2PAARXD14 | Long             | EC               | CORP              | CH        |     16400 | NS      | $1264874.59   | 2.20%             |  |  |  | No            |                  1 | On Loan: No      |
| Ambarella Inc                  | Ambarella Inc                           | CUSIP: G037AX101<br>LEI: 254900XN7F4DG0CEKC02 | Long             | EC               | CORP              | US        |     10200 | NS      | $722568.00    | 1.26%             |  |  |  | No            |                  1 | On Loan: No      |
| American Superconductor Corp   | American Superconductor Corp            | CUSIP: 030111207<br>LEI: 549300S9YT8Z8LOK4452 | Long             | EC               | CORP              | US        |     27500 | NS      | $791450.00    | 1.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Ashtead Technology Holdings pl | Ashtead Technology Holdings plc         | CUSIP: 999999999<br>LEI: 213800LHEWVY66RPGR58 | Long             | EC               | CORP              | GB        |    247100 | NS      | $1032497.64   | 1.79%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphatec Holdings Inc          | Alphatec Holdings Inc                   | CUSIP: 02081G201<br>LEI: 549300EZE8CQ8K65FS24 | Long             | EC               | CORP              | US        |     42600 | NS      | $896304.00    | 1.56%             |  |  |  | No            |                  1 | On Loan: No      |
| AtkinsRealis Group Inc         | AtkinsRealis Group Inc                  | CUSIP: 04764T955<br>LEI: UL01OYG5OMLM5G6CFM03 | Long             | EC               | CORP              | CA        |     13600 | NS      | $877866.82    | 1.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Aritzia Inc                    | Aritzia Inc                             | CUSIP: 04045U953<br>LEI: 549300U83HKFRL1EX527 | Long             | EC               | CORP              | CA        |     10900 | NS      | $931892.03    | 1.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Babcock International Group PL | Babcock International Group PLC         | CUSIP: 999999999<br>LEI: 213800TSKOLX4EU6L377 | Long             | EC               | CORP              | GB        |     38300 | NS      | $641688.91    | 1.12%             |  |  |  | No            |                  1 | On Loan: No      |
| BHG Group AB                   | BHG Group AB                            | CUSIP: 999999999<br>LEI: 549300ZLCWL2QTO3HR86 | Long             | EC               | CORP              | SE        |    233500 | NS      | $808224.75    | 1.40%             |  |  |  | No            |                  1 | On Loan: No      |
| Box Inc                        | Box Inc                                 | CUSIP: 10316T104<br>LEI: 549300KQUCPD8687YS68 | Long             | EC               | CORP              | US        |     17700 | NS      | $529407.00    | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Clean Harbors Inc              | Clean Harbors Inc                       | CUSIP: 184496107<br>LEI: 5493000SJVZVZJKHJF48 | Long             | EC               | CORP              | US        |      4200 | NS      | $984816.00    | 1.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Vita Coco Co Inc/The           | Vita Coco Co Inc/The                    | CUSIP: 92846Q107<br>LEI: 54930020WXOAWHR85Y25 | Long             | EC               | CORP              | US        |     19500 | NS      | $1033695.00   | 1.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Credo Technology Group Holding | Credo Technology Group Holding Ltd      | CUSIP: G25457105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     16100 | NS      | $2316629.00   | 4.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Carpenter Technology Corp      | Carpenter Technology Corp               | CUSIP: 144285103<br>LEI: DX6I6ZD3X5WNNCDJKP85 | Long             | EC               | CORP              | US        |      3600 | NS      | $1133424.00   | 1.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Cranswick PLC                  | Cranswick PLC                           | CUSIP: 999999999<br>LEI: 549300LDZLPU51XOSK43 | Long             | EC               | CORP              | GB        |     18700 | NS      | $1248935.17   | 2.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Definity Financial Corp        | Definity Financial Corp                 | CUSIP: 24477T951<br>LEI: 984500D5F3FC49D00C44 | Long             | EC               | CORP              | CA        |     16400 | NS      | $907221.33    | 1.58%             |  |  |  | No            |                  1 | On Loan: No      |
| De' Longhi SpA                 | De' Longhi SpA                          | CUSIP: 999999999<br>LEI: 8156000E09A52C4F8A38 | Long             | EC               | CORP              | IT        |     18000 | NS      | $766278.76    | 1.33%             |  |  |  | No            |                  1 | On Loan: No      |
| DigitalOcean Holdings Inc      | DigitalOcean Holdings Inc               | CUSIP: 25402D102<br>LEI: 549300EPISPY3RE3DL21 | Long             | EC               | CORP              | US        |     21800 | NS      | $1049016.00   | 1.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Diploma PLC                    | Diploma PLC                             | CUSIP: G27664112<br>LEI: 2138008OGI7VYG8FGR19 | Long             | EC               | CORP              | GB        |     12500 | NS      | $892135.06    | 1.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Encompass Health Corp          | Encompass Health Corp                   | CUSIP: 29261A100<br>LEI: 549300FVRPM9DRQZRG64 | Long             | EC               | CORP              | US        |      5100 | NS      | $541314.00    | 0.94%             |  |  |  | No            |                  1 | On Loan: No      |
| CTS Eventim AG & Co KGaA       | CTS Eventim AG & Co KGaA                | CUSIP: 999999999<br>LEI: 529900FDHSN08UBJII80 | Long             | EC               | CORP              | DE        |      9200 | NS      | $842208.16    | 1.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Volution Group PLC             | Volution Group PLC                      | CUSIP: 999999999<br>LEI: 213800EPT84EQCDHO768 | Long             | EC               | CORP              | GB        |     61200 | NS      | $532066.32    | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Flowserve Corp                 | Flowserve Corp                          | CUSIP: 34354P105<br>LEI: 6Y0GK87T6V7NJKZJVM41 | Long             | EC               | CORP              | US        |     17700 | NS      | $1228026.00   | 2.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Freshworks Inc                 | Freshworks Inc                          | CUSIP: 358054104<br>LEI: 254900ULRGCUEIK0K191 | Long             | EC               | CORP              | US        |     57600 | NS      | $705600.00    | 1.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Futu Holdings Ltd              | Futu Holdings Ltd                       | CUSIP: 36118L106<br>LEI: 213800X4W4ZRESFPTQ37 | Long             |  | CORP              | HK        |      4300 | NS      | $706103.00    | 1.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Genpact Ltd                    | Genpact Ltd                             | CUSIP: G3922B107<br>LEI: 529900OSEC6Q0L4L5B35 | Long             | EC               | CORP              | US        |     18400 | NS      | $860752.00    | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Games Workshop Group PLC       | Games Workshop Group PLC                | CUSIP: 999999999<br>LEI: 213800RP9QJQYGWHNT41 | Long             | EC               | CORP              | GB        |      7200 | NS      | $1836150.42   | 3.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Halozyme Therapeutics Inc      | Halozyme Therapeutics Inc               | CUSIP: 40637H109<br>LEI: 529900242I3SV9AGM753 | Long             | EC               | CORP              | US        |      9200 | NS      | $619160.00    | 1.08%             |  |  |  | No            |                  1 | On Loan: No      |
| HealthEquity Inc               | HealthEquity Inc                        | CUSIP: 42226A107<br>LEI: 529900LRJU1RAFQHM467 | Long             | EC               | CORP              | US        |      7700 | NS      | $705397.00    | 1.23%             |  |  |  | No            |                  1 | On Loan: No      |
| ICG PLC                        | ICG PLC                                 | CUSIP: 999999999<br>LEI: 549300OGASR5WRKJ8R68 | Long             | EC               | CORP              | GB        |     20900 | NS      | $578630.54    | 1.01%             |  |  |  | No            |                  1 | On Loan: No      |
| ICU Medical Inc                | ICU Medical Inc                         | CUSIP: 44930G107<br>LEI: 5493003NRW7LS2QZRH60 | Long             | EC               | CORP              | US        |      5000 | NS      | $713350.00    | 1.24%             |  |  |  | No            |                  1 | On Loan: No      |
| IMI PLC                        | IMI PLC                                 | CUSIP: 999999999<br>LEI: 2138002W9Q21PF751R30 | Long             | EC               | CORP              | GB        |     20000 | NS      | $670710.34    | 1.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Lumentum Holdings Inc          | Lumentum Holdings Inc                   | CUSIP: 55024U109<br>LEI: 549300JLWRRC38DWEF52 | Long             | EC               | CORP              | US        |      9000 | NS      | $3317310.00   | 5.77%             |  |  |  | No            |                  1 | On Loan: No      |
| LeMaitre Vascular Inc          | LeMaitre Vascular Inc                   | CUSIP: 525558201<br>LEI: 549300FZUBUB7MHY8R17 | Long             | EC               | CORP              | US        |      9500 | NS      | $770450.00    | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Merit Medical Systems Inc      | Merit Medical Systems Inc               | CUSIP: 589889104<br>LEI: 549300OYTY138SP2CE83 | Long             | EC               | CORP              | US        |      8700 | NS      | $766818.00    | 1.33%             |  |  |  | No            |                  1 | On Loan: No      |
| MACOM Technology Solutions Hol | MACOM Technology Solutions Holdings Inc | CUSIP: 55405Y100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      5300 | NS      | $907784.00    | 1.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Pegasystems Inc                | Pegasystems Inc                         | CUSIP: 705573103<br>LEI: 549300FMCOKPL06FYN26 | Long             | EC               | CORP              | US        |     11000 | NS      | $656920.00    | 1.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Impinj Inc                     | Impinj Inc                              | CUSIP: 453204109<br>LEI: 549300M26VGKSMMWWN17 | Long             | EC               | CORP              | US        |      3700 | NS      | $643837.00    | 1.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Q2 Holdings Inc                | Q2 Holdings Inc                         | CUSIP: 74736L109<br>LEI: 549300M9RKR9DZXWS696 | Long             | EC               | CORP              | US        |     11300 | NS      | $815408.00    | 1.42%             |  |  |  | No            |                  1 | 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