Fund Performance Login Open Account Contact Us Oberweis Asset Management ABOUT US STRATEGIES MUTUAL FUNDS RESOURCES LITERATURE ALL FUNDS ALL FUNDS President's Letter - Third Quarter 2021 President's Letter - OBIIX - Second Quarter 2021 FINANCIAL REPORTS INSTITUTIONAL INVESTOR 2021 OBIIX Semi-Annual Report 2020 OBIIX Annual Report 2021 Semi-Annual Report 2020 Annual Report Form N-PORT-Exhibit Report Dated March 31, 2021 Form N-PORT-Exhibit Report Dated September 30, 2020 OAM Form CRS Dated June 30, 2020 Foreign Source Income Letter Institutional 2020 Foreign Source Income Letter 2020 PROSPECTUS AND APPLICATIONS INSTITUTIONAL INVESTOR Oberweis International Opportunities Institutional Fund Prospectus dated May 1, 2021 Oberweis Funds Prospectus dated May 1, 2021 New Account Application Traditional/SEP/Roth IRA Application Account Privileges Change Form Transfer on Death (TOD) Form May 1, 2021 OBIIX Statement of Additional Information (SAI) May 1, 2021 Statement of Additional Information (SAI) SUMMARY PROSPECTUS BOTH CLASSES Oberweis International Opportunities Institutional Fund Summary Prospectus Oberweis Global Opportunities Fund Summary Prospectus Oberweis Micro-Cap Fund Summary Prospectus Oberweis Small-Cap Opportunities Fund Summary Prospectus Oberweis International Opportunities Fund Summary Prospectus Oberweis China Opportunities Fund Summary Prospectus Oberweis Emerging Markets Fund Summary Prospectus RETIREMENT AND EDUCATION INSTITUTIONAL INVESTOR Tax Withholding Information CARES Act Overview CARES Act FAQ IRA Application IRA Transfer Form IRA Distribution Request Form IRA Recharacterization Request Form Roth IRA Disclosure Statement Traditional/SEP IRA Custodial Agreement & Disclosure Statement IRA Withholding Notice and Election IRA QDRO Form IRA Change of Beneficiary Form IRA Recharacterization Request Form Coverdell Education Savings Account Disclosure Statement Coverdell Education Savings Account Application Coverdell Education Savings Account Transfer Form INVEST NOW Contact Us ©2021 Oberweis Asset Management Privacy Legal Terms of Use DISCLOSURE: Before investing, consider the Fund’s investment objectives, risks, charges, and expenses. To obtain a copy of the prospectus or summary prospectus containing this and other information, call 800-323-6166. Read it carefully before investing. The Oberweis Funds invest in rapidly growing smaller and medium-sized companies that may offer greater return potential. However, these investments often involve greater risks and volatility. Foreign investments involve greater risks than U.S. investments, including political and economic risks and the risk of currency fluctuations. There is no guarantee that the Funds can achieve their objectives. The products described on this website are intended to be made available only to persons residing in the United States. Performance of our products is historical and does not guarantee future results. This website should not be considered a solicitation or an offering of any of the Oberweis Asset Management, Inc. ("OAM") products to investors residing outside of the United States. Please review the Terms and Conditions for using this website as well as our Privacy Notice. The Oberweis Funds are distributed by Oberweis Securities, Inc. Member: FINRA and SIPC.