# EDGAR Filing Document

**Accession Number:** 0001342947
**File Stem:** 0001213900-26-048353
**Filing Date:** 2026-4
**Character Count:** 4243
**Document Hash:** 4305a03f9b33f2394b027fe5d989438f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-048353.hdr.sgml**: 20260428

**ACCESSION NUMBER**: 0001213900-26-048353

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260428

**DATE AS OF CHANGE**: 20260428

**EFFECTIVENESS DATE**: 20260428

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BBH Trust
- **CENTRAL INDEX KEY:** 0001342947

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-129342
- **FILM NUMBER:** 26904570

**BUSINESS ADDRESS:**
- **STREET 1:** 140 BROADWAY
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10005
- **BUSINESS PHONE:** 800-575-1265

**MAIL ADDRESS:**
- **STREET 1:** 140 BROADWAY
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10005

## Series and Classes Contracts Data

### BBH Partner Fund - International Equity (Series ID: S000015105)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Class I Shares | BBHLX         | C000041206 |

---

## Series and Classes Contracts Data

### BBH Partner Fund - International Equity (Series ID: S000015105)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000041206 | Class I Shares | BBHLX           |

**BBH TRUST**

**BBH PARTNER FUND – INTERNATIONAL EQUITY**

Class I Shares (BBHLX)

**SUPPLEMENT DATED APRIL 28, 2026**

**TO THE PROSPECTUS** 

**DATED FEBRUARY 28, 2026**

*The following information supplements, and to the extent inconsistent therewith, supersedes, certain information in the Prospectus. Defined terms not otherwise defined in this supplement have the same meaning as set forth in the Statement of Additional Information.*

&nbsp;&nbsp;&nbsp;&nbsp;**I.** **Portfolio Managers** 

Effective immediately, the table in the section captioned "Sub-Adviser" on page 5 of the prospectus is deleted in its entirety and replaced with the following:

**Portfolio Managers**

---

| | | |
|:---|:---|:---|
| **Sub-Adviser** | **Portfolio Management <br> Team Members** | **Fund Manager Since** |
|  | Brian Vollmer | 2017 |
|  | Senior Investment Team Member |  |
| Select Equity Group, L.P. | Loren Lewallen | 2017 |
| 380 Lafayette Street | Senior Investment Team Member |  |
| New York, New York 10003 |  |  |
|  | Joseph Buser | 2024 |
|  | Senior Investment Team Member |  |
|  | Richard J. Bruce | 2023 |
|  | Portfolio Manager |  |
|  | Charles H. E. Bell | 2023 |
| Trinity Street Asset | Portfolio Manager |  |
| Management, LLP. |  |  |
| 25 Golden Square, | Nicholas D.R. Mayor | 2023 |
| London, W1F 9LU | Portfolio Manager |  |
|  | Piotr J. Krupa | 2023 |
|  | Junior Portfolio Manager |  |

---

&nbsp;&nbsp;&nbsp;&nbsp;**II.** **Portfolio Managers** 

Effective immediately, the section captioned "Select Equity Group L.P" on page 12 of the prospectus is revised by replacing the last sentence of that section with the following:

**Select Equity Group, L.P.**

Each portfolio manager or member of the portfolio management team has worked with the Fund since 2017.

Mr. Brian Vollmer began at the Sub-adviser as an intern in 2005 and joined the Sub-adviser full time in August 2006. Prior to joining the Sub-adviser, Mr. Vollmer worked as a private equity Investment Analyst for Hicks, Muse, Tate & Furst. Prior to Hicks, Muse, Tate & Furst, he worked in the Investment Banking Division at Goldman Sachs. Mr. Vollmer received a B.S. from the University of Virginia (with distinction) and an M.B.A. from the Stanford Graduate School of Business, where he graduated as an Arjay Miller Scholar.

Mr. Loren Lewallen began at Sub-adviser as an intern in 2006 and joined the Sub-adviser full time in September 2007. Mr. Lewallen is a CFA charterholder. Mr. Lewallen received a B.A. from Columbia University (magna cum laude).

Mr. Joseph Buser joined the Sub-adviser in August 2016. Prior to joining Select Equity, he was an Associate in the Americas Private Equity Group at KKR. Prior to KKR, he worked in the Investment Banking Division at UBS. Mr. Buser received a B.S. and a B.A. from Indiana University (with highest distinction).

**PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE.**