# EDGAR Filing Document

**Accession Number:** 0001131013
**File Stem:** 0001193125-26-231918
**Filing Date:** 2026-5
**Character Count:** 12055
**Document Hash:** 5e11905147e235808894df21fa57c276
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-231918.hdr.sgml**: 20260520

**ACCESSION NUMBER**: 0001193125-26-231918

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 12

**FILED AS OF DATE**: 20260520

**DATE AS OF CHANGE**: 20260520

**EFFECTIVENESS DATE**: 20260520

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GuideStone Funds
- **CENTRAL INDEX KEY:** 0001131013

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-53432
- **FILM NUMBER:** 261002203

**BUSINESS ADDRESS:**
- **STREET 1:** 5005 LYNDON B. JOHNSON FREEWAY
- **STREET 2:** SUITE 2200
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75244-6152
- **BUSINESS PHONE:** 214-720-2148

**MAIL ADDRESS:**
- **STREET 1:** 5005 LYNDON B. JOHNSON FREEWAY
- **STREET 2:** SUITE 2200
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75244-6152

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AB FUNDS TRUST/DE
- **DATE OF NAME CHANGE:** 20010405

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ANNUITY BOARD FUNDS TRUST
- **DATE OF NAME CHANGE:** 20010102

## Series and Classes Contracts Data

### SMALL CAP EQUITY FUND (Series ID: S000001160)

---

|  |  |  |
|:---|:---|:---|
| Class Name    | Ticker Symbol | Class ID   |
| Institutional | GSCYX         | C000003103 |
| Investor      | GSCZX         | C000003104 |

---

## Series and Classes Contracts Data

### SMALL CAP EQUITY FUND (Series ID: S000001160)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000003103 | Institutional | GSCYX           |
| C000003104 | Investor      | GSCZX           |

?xml version='1.0' encoding='ASCII'? 497

**GUIDESTONE FUNDS**

Supplement dated May 20, 2026

to

Prospectus and Summary Prospectus each dated May 1, 2026,

for the Small Cap Equity Fund

**This supplement provides new information beyond that contained in the Prospectus and Summary Prospectus. It should be retained and read in conjunction with the Prospectus and Summary Prospectus.**

**I. FEES AND EXPENSES CHANGES TO THE SMALL CAP EQUITY FUND**

<u>Under the heading "Fees and Expenses" for the Small Cap Equity Fund (SCEF), on page 153, the Annual</u> <u>Fund Operating Expenses table is deleted in its entirety and replaced with the following:</u>

**Annual Fund Operating Expenses** (expenses that you pay each year as a percentage of the value of your investment)

---

| | | |
|:---|:---|:---|
|  | **Institutional Class** | **Investor Class** |
| Management fee<sup>(1)</sup> <br>| &nbsp;&nbsp; 0.81% | &nbsp;&nbsp; 0.81% |
| Other expenses | &nbsp;&nbsp; 0.08% | &nbsp;&nbsp; 0.36% |
| Acquired fund fees and expenses | &nbsp;&nbsp; 0.01% | &nbsp;&nbsp; 0.01% |
| **Total annual Fund operating expenses** | &nbsp;&nbsp; 0.90% | &nbsp;&nbsp; 1.18% |

---

<sup>(1)</sup>

The management fee has been restated to reflect the estimated fee for the current fiscal year.

<u>Under the heading "Fees and Expenses" for the SCEF, on page 153, the Expense Example table is deleted in</u> <u>its entirety and replaced with the following:</u> 

---

| | | |
|:---|:---|:---|
|  | **Institutional Class** | **Investor Class** |
| **1 Year** | &nbsp;&nbsp; $92 | &nbsp;&nbsp; $120 |
| **3 Years** | &nbsp;&nbsp; $287 | &nbsp;&nbsp; $375 |
| **5 Years** | &nbsp;&nbsp; $498 | &nbsp;&nbsp; $649 |
| **10 Years** | &nbsp;&nbsp; $1108 | &nbsp;&nbsp; $1432 |

---

**II. SUB-ADVISER CHANGES FOR THE SMALL CAP EQUITY FUND**

Effective on or about June 5, 2026, Algert Global LLC (Algert), will become a new sub-adviser to the SCEF. Prior to the time in which Algert will become a new sub-adviser to the SCEF, Nomura Investments Fund Advisers (NIFA) will no longer serve as a sub-adviser to the SCEF. Upon effectiveness, all references to NIFA will be deleted in their entirety. In addition, the following changes will be made:

<u>In the section "Sub-Advisers and Portfolio Managers" for the SCEF, on page 157, the following disclosure is</u> <u>added in alphabetical order.</u>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

---

| | |
|:---|:---|
| **Algert Global LLC**  | **Algert Global LLC**  |
| &nbsp;&nbsp; Peter M. Algert, Ph.D.<br> Chief Executive Officer and <br> Co-Chief Investment Officer <br>| Since May 2026 |
| &nbsp;&nbsp; Ryan LaFond, Ph.D.<br> Co-Chief Investment Officer<br>| Since May 2026 |

---

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<u>Under the heading "Sub-Advisers" for the SCEF, on page 223, the disclosure for Algert is added in</u> <u>alphabetical order:</u>

*Algert Global LLC (Algert), 101 California Street, Suite 3240, San Francisco, California 94111:* Algert was established in 2002 and is registered with the SEC as an investment adviser. As of March 31, 2026, the firm had assets under management of approximately $9.8 billion. The investment team includes 10 professionals dedicated to research, portfolio management and trading, with an average tenure at Algert of 12 years. The portfolio managers responsible for the day-to-day management of an assigned portion of the Small Cap Equity Fund are Peter M. Algert, Ph.D., Chief Executive Officer and Co-Chief Investment Officer (Co-CIO), and Ryan LaFond, Ph.D., Co-CIO. Doctors Algert and LaFond each have served as portfolio managers for Algert for more than five years.

**PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE**

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**GUIDESTONE FUNDS**

Supplement dated May 20, 2026

to

Statement of Additional Information (SAI) dated May 1, 2026

**This supplement provides new information beyond that contained in the SAI. It should be retained and read in conjunction with the SAI.**

**I. SUB-ADVISER CHANGES TO THE SMALL CAP EQUITY FUND**

Effective on or about June 5, 2026, Algert Global LLC (Algert) will become a new sub-adviser to the Small Cap Equity Fund (SCEF). Prior to the time in which Algert will become a new sub-adviser to the SCEF, Nomura Investments Fund Advisers (NIFA) will no longer serve as a sub-adviser to the SCEF. Upon effectiveness, all references to NIFA will be deleted in their entirety. In addition, the following changes will be made:

<u>In the section disclosing</u> *<u>Control Persons of Sub-Advisers</u>* <u>for the SCEF, on page 77, the following</u> <u>paragraph is added in alphabetical order.</u>

*Algert Global LLC (Algert), 101 California Street, Suite 3240, San Francisco, California 94111:* Algert is registered with the SEC as an investment adviser. Algert is equally owned and controlled by Peter M. Algert, Ph.D., Chief Executive Officer and Co-Chief Investment Officer (Co-CIO) and Ryan LaFond, Ph.D., Co-CIO.

<u>In the section disclosing</u> *<u>Portfolio Manager Compensation,</u>* <u>on page 89,</u> <u>the disclosure pertaining to</u> <u>Algert, is added in alphabetical order:</u>

*Algert Global LLC (Algert).* All employees are compensated through a base salary, bonus (formulaic and discretionary components) and a retirement profit sharing plan. Bonuses are determined by firm profits and are highly aligned with firmwide investment performance and an individual's contribution to the firm's success. The retirement profit share is a set percentage allocated annually to all employees. Members of Algert also share in distributions of profits of the limited liability corporation (i.e., phantom equity).

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**II. CHANGES TO OTHER ACCOUNTS MANAGED**

<u>The</u> *<u>Other Accounts Managed</u>* <u>table, on page 80, is amended to add the disclosure for Algert in alphabetical order. The information is current as of</u> <u>March 31, 2026.</u>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

---

| | | | | | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|
| ***Sub-Advisers***<br> ***Portfolio Managers*** | Total number of other accounts managed by Portfolio Manager(s) <br> within each category below and the total assets in the accounts <br> managed within each category below. | Total number of other accounts managed by Portfolio Manager(s) <br> within each category below and the total assets in the accounts <br> managed within each category below. | Total number of other accounts managed by Portfolio Manager(s) <br> within each category below and the total assets in the accounts <br> managed within each category below. | Total number of other accounts managed by Portfolio Manager(s) <br> within each category below and the total assets in the accounts <br> managed within each category below. | Total number of other accounts managed by Portfolio Manager(s) <br> within each category below and the total assets in the accounts <br> managed within each category below. | Total number of other accounts managed by Portfolio Manager(s) <br> within each category below and the total assets in the accounts <br> managed within each category below. | For other accounts managed by Portfolio Manager(s) within each <br> category below, number of accounts and the total assets in the <br> accounts with respect to which the advisory fee is based on the <br> performance of the account. | For other accounts managed by Portfolio Manager(s) within each <br> category below, number of accounts and the total assets in the <br> accounts with respect to which the advisory fee is based on the <br> performance of the account. | For other accounts managed by Portfolio Manager(s) within each <br> category below, number of accounts and the total assets in the <br> accounts with respect to which the advisory fee is based on the <br> performance of the account. | For other accounts managed by Portfolio Manager(s) within each <br> category below, number of accounts and the total assets in the <br> accounts with respect to which the advisory fee is based on the <br> performance of the account. | For other accounts managed by Portfolio Manager(s) within each <br> category below, number of accounts and the total assets in the <br> accounts with respect to which the advisory fee is based on the <br> performance of the account. | For other accounts managed by Portfolio Manager(s) within each <br> category below, number of accounts and the total assets in the <br> accounts with respect to which the advisory fee is based on the <br> performance of the account. |
| ***Sub-Advisers***<br> ***Portfolio Managers*** | **Registered Investment**<br> **Companies** | **Registered Investment**<br> **Companies** | **Other Pooled**<br> **Investment Vehicles** | **Other Pooled**<br> **Investment Vehicles** | **Other Accounts** | **Other Accounts** | **Registered Investment**<br> **Companies** | **Registered Investment**<br> **Companies** | **Other Pooled**<br> **Investment Vehicles** | **Other Pooled**<br> **Investment Vehicles** | **Other Accounts** | **Other Accounts** |
| ***Sub-Advisers***<br> ***Portfolio Managers*** | **Number**<br> **of**<br> **Accounts**<br>| **Total**<br> **Assets**<br> **($mm)**<br>| **Number**<br> **of**<br> **Accounts**<br>| **Total**<br> **Assets**<br> **($mm)**<br>| **Number**<br> **of**<br> **Accounts**<br>| **Total**<br> **Assets**<br> **($mm)**<br>| **Number**<br> **of**<br> **Accounts**<br>| **Total**<br> **Assets**<br> **($mm)**<br>| **Number**<br> **of**<br> **Accounts**<br>| **Total**<br> **Assets**<br> **($mm)**<br>| **Number**<br> **of**<br> **Accounts**<br>| **Total**<br> **Assets**<br> **($mm)**<br>|
| *Algert Global LLC\** | &nbsp;&nbsp; 4 | &nbsp;&nbsp; $1269 | &nbsp;&nbsp; 5 | &nbsp;&nbsp; $486 | &nbsp;&nbsp; 9 | &nbsp;&nbsp; $5380 | &nbsp;&nbsp; N/A | &nbsp;&nbsp; N/A | &nbsp;&nbsp; 1 | &nbsp;&nbsp; $71 | &nbsp;&nbsp; 5 | &nbsp;&nbsp; $2614 |
| Peter M. Algert, Ph.D. |  |  |  |  |  |  |  |  |  |  |  |  |
| Ryan LaFond, Ph.D. |  |  |  |  |  |  |  |  |  |  |  |  |

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\*

The Adviser or Sub-Adviser utilizes a team-based approach to portfolio management, and each of the portfolio managers listed are jointly and primarily responsible for the day-to-day management of a portion of the accounts listed in each category.

**PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE**

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