GAMCO GLOBAL SERIES FUNDS, INC.
The Gabelli Global Growth 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 | Past Five Years | Past Ten Years | |||||||||
| Gabelli Global Growth Fund | ||||||||||||
| Class AAA Shares | ||||||||||||
| Return Before Taxes | 21.10 | % | 21.87 | % | 15.55 | % | ||||||
| Return After Taxes on Distributions | 19.95 | % | 20.34 | % | 14.01 | % | ||||||
| Return After Taxes on Distributions and Sale of Fund Shares | 13.33 | % | 17.50 | % | 12.55 | % | ||||||
| Class A Shares | ||||||||||||
| Return Before Taxes | 14.13 | % | 20.42 | % | 14.86 | % | ||||||
| Class I Shares | ||||||||||||
| Return Before Taxes | 21.10 | % | 22.18 | % | 15.96 | % | ||||||
| MSCI AC World Index (reflects no deduction for fees, expenses, or taxes) | 19.04 | % | 14.97 | % | 12.44 | % | ||||||
| Lipper Global Large Cap Growth Fund Classification | 15.15 | % | 18.57 | % | 13.99 | % | ||||||
Please retain this Supplement for future reference.