# EDGAR Filing Document

**Accession Number:** 0001342947
**File Stem:** 0001213900-26-048354
**Filing Date:** 2026-4
**Character Count:** 4203
**Document Hash:** 543b73c1ce1bd304ba2eeb834cf505cb
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-048354.hdr.sgml**: 20260428

**ACCESSION NUMBER**: 0001213900-26-048354

**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:** 26904572

**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** 

(BBHLX)

**SUPPLEMENT DATED APRIL 28, 2026** 

**TO THE STATEMENT OF ADDITIONAL INFORMATION**

**DATED FEBRUARY 28, 2026**

*The following information supplements, and to the extent inconsistent therewith, supersedes, certain information in the Statement of Additional Information. 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.** **Management** 

**Effective immediately, the information related to the BBH Partner Fund – International Equity captioned "Select Equity Group" on page 56 is deleted in its entirety and replaced with the following:**

**Select Equity Group:**

The senior members of the team primarily responsible for management of the Fund are Brian Vollmer; Loren Lewallen, CFA; and Joseph Buser.

The following information about Select Equity Group's investment team primarily responsible for management of the Fund's portfolio is provided as of the Fund's most recent fiscal year end.

---

| | |
|:---|:---|
| &nbsp;&nbsp;***Other Accounts Managed by the <br> Select Equity Group Team Primarily Responsible for the<br> Management of the Fund's Portfolio\**** | &nbsp;&nbsp;***Total Number of Other <br> Accounts Managed/ <br> Total Assets (in millions)*** |
| &nbsp;&nbsp;*Registered Investment Companies* | &nbsp;&nbsp;1/$1,320,806,616 |
| &nbsp;&nbsp;*Other Pooled Investment Vehicles* | &nbsp;&nbsp;11/$3,580,172,334 |
| &nbsp;&nbsp;*Other Accounts* | &nbsp;&nbsp;14/$9,687,207,638 |

---

\* Other accounts include BBH Partner Fund — International Equity Cayman. The Fund is included in Registered Investment Companies category above

Accounts managed by Select Equity Group's investment team for which the advisory fee is totally or partially based on performance, and the number of such accounts and the assets of such accounts for which the advisory fee is totally or partially based on performance of the Fund's most recently completed fiscal year, can be found in the table below:

---

| | |
|:---|:---|
| &nbsp;&nbsp;***Other Accounts by Select Equity<br> Group Team For Which the Advisory Fee is Totally or<br> Partially Based Upon Performance*** | &nbsp;&nbsp;***Total Number of Other<br> Accounts Managed/<br> Total Assets (in millions)*** |
| &nbsp;&nbsp;*Registered Investment Companies* | &nbsp;&nbsp;0/$0 |
| &nbsp;&nbsp;*Other Pooled Investment Vehicles* | &nbsp;&nbsp;10/$2,483,362,634 |
| &nbsp;&nbsp;*Other Accounts* | &nbsp;&nbsp;2/$239,492,236 |

---

Dollar value range of shares in the Fund owned by Mr. Vollmer: $1,000,000.

Dollar value range of shares in the Fund owned by Mr. Lewallen: $1,000,000.

Dollar value range of shares in the Fund owned by Mr. Buser: $500,001-$1,000,000.

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