# EDGAR Filing Document

**Accession Number:** 0001060517
**File Stem:** 0001193125-26-158670
**Filing Date:** 2026-4
**Character Count:** 5025
**Document Hash:** 218dacdb934d191890865557faab1e08
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-158670.hdr.sgml**: 20260416

**ACCESSION NUMBER**: 0001193125-26-158670

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260416

**DATE AS OF CHANGE**: 20260416

**EFFECTIVENESS DATE**: 20260416

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** UBS Series Funds
- **CENTRAL INDEX KEY:** 0001060517

**ORGANIZATION NAME:**
- **EIN:** 134010447
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0430

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-52965
- **FILM NUMBER:** 26866832

**BUSINESS ADDRESS:**
- **STREET 1:** C/O UBS ASSET MANAGEMENT (AMERICAS) LLC
- **STREET 2:** 1285 AVENUE OF THE AMERICAS
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10019
- **BUSINESS PHONE:** 212-821-3000

**MAIL ADDRESS:**
- **STREET 1:** C/O UBS ASSET MANAGEMENT (AMERICAS) LLC
- **STREET 2:** 1285 AVENUE OF THE AMERICAS
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10019

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** UBS MONEY SERIES
- **DATE OF NAME CHANGE:** 20020716

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BRINSON MONEY SERIES
- **DATE OF NAME CHANGE:** 20010625

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MITCHELL HUTCHINS LIR MONEY SERIES
- **DATE OF NAME CHANGE:** 19990730

## Series and Classes Contracts Data

### Cantor Fitzgerald Government Money Market Fund (Series ID: S000083382)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Investor Shares      | CFGXX         | C000246985 |
| Institutional Shares | CFYXX         | C000248938 |

---

## Series and Classes Contracts Data

### Cantor Fitzgerald Government Money Market Fund (Series ID: S000083382)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000246985 | Investor Shares      | CFGXX           |
| C000248938 | Institutional Shares | CFYXX           |

![LOGO](g134830g22y01.jpg)

## Cantor Fitzgerald Government Money Market Fund
April 16, 2026

**Supplement to the Statement of Additional Information ("SAI"), dated August 28, 2025, as supplemented.** 

Dear Investor,

The purpose of this supplement is to update certain information in the SAI for Cantor Fitzgerald Government Money Market Fund (the "fund"), a series of UBS Series Funds (the "Trust") regarding changes to the officers of the Trust.

**Effective immediately, the SAI is hereby revised as follows:** 

**All references to Joanne Kilkeary, who has retired from UBS AM, in the SAI are deleted in their entirety.** 

**The section captioned "Organization of the trust; trustees and officers; principal holders and management ownership of securities" is revised by replacing the first row of the table titled "Officers" in its entirety with the following:** 

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| | | | |
|:---|:---|:---|:---|
| Rose Ann Bubloski<sup>^</sup>; 1968 | Vice President, Treasurer, Chief Financial Officer, and Principal Accounting Officer | Since 2011 (Vice President); since March 2026 (Treasurer, Chief Financial Officer, and Principal Accounting Officer) | Ms. Bubloski is a director (since 2012) (prior to which she was an associate director (from 2008 to 2012)) and a senior manager of fund accounting—US (previously named product control and investment support) of UBS Asset Management (Americas) LLC and/or UBS Asset Management (US) Inc. ("UBS AM—Americas region"). Ms. Bubloski is vice president, treasurer, chief financial officer, and principal accounting officer of 9 investment companies (consisting of 46 portfolios) for which UBS AM serves as investment advisor or manager. |

---

------

**The same section of the SAI is further revised by adding the following as the fourth and fifth rows of the table titled "Officers":** 

---

| | | | |
|:---|:---|:---|:---|
| Nicole Lin<sup>^</sup>; 1980 | Vice President and Assistant Treasurer | Since March<br>2026 | Ms. Lin is a senior fund accountant for UBS AM (since 2024). Prior to joining UBS AM, Ms. Lin worked as an officer at State Street. Ms. Lin is a vice president and assistant treasurer of 6 investment companies (consisting of 42 portfolios) for which UBS AM serves as investment advisor or manager. |
| John Loubnan<sup>†</sup>; 1993 | Vice President and Assistant Treasurer | Since March 2026 | Mr. Loubnan is a senior fund accountant for UBS AM (since 2020). Prior to joining UBS AM, Mr. Loubnan worked as a senior fund accountant at The Bank of New York Mellon. Mr. Loubnan is a vice president and assistant treasurer of 6 investment companies (consisting of 42 portfolios) for which UBS AM serves as investment advisor or manager. |

---

<sup>^</sup> This person's business address is 1000 Harbor Boulevard, Weehawken, NJ 07086.

<sup>†</sup> This person's business address is 1285 Avenue of the Americas, New York, NY 10019.

**PLEASE BE SURE TO RETAIN THIS IMPORTANT INFORMATION FOR FUTURE REFERENCE.** 

<sup>©</sup> UBS 2026. All rights reserved.

UBS Asset Management (Americas) LLC