GAMCO GLOBAL SERIES FUNDS, INC.
Gabelli Global Mini MitesTM Fund
(the “Fund”)
Supplement dated February 23, 2023, to the Fund’s Summary Prospectus for Class AAA Shares, Class A Shares, and Class I Shares, dated April 29, 2022
Effective February 23, 2023, the Fund’s Average Annual Total Returns Table is replaced in its entirety with the following:
Average Annual Total Returns (for the years ended December 31, 2021, with maximum sales charge, if applicable) | Past One Year | Since Inception (October 1, 2018) | ||||||
| Gabelli Global Mini Mites Fund | ||||||||
| Class AAA Shares (first issued on 10/01/18) | ||||||||
| Return Before Taxes | 19.25 | % | 9.16 | % | ||||
| Return After Taxes on Distributions | 13.94 | % | 7.14 | % | ||||
| Return After Taxes on Distributions and Sale of Fund Shares | 12.45 | % | 6.43 | % | ||||
| Class A Shares (first issued on 10/01/18) | ||||||||
| Return Before Taxes | 12.52 | % | 8.90 | % | ||||
| Class I Shares (first issued on 10/01/18) | ||||||||
| Return Before Taxes | 19.25 | % | 9.24 | % | ||||
| S&P Developed SmallCap Index (reflects no deduction for fees, expenses, or taxes) | 15.18 | % | 10.62 | % | ||||
Please retain this Supplement for future reference.