# EDGAR Filing Document

**Accession Number:** 0002058929
**File Stem:** 0001104659-25-117167
**Filing Date:** 2025-12
**Character Count:** 1626
**Document Hash:** d4cabd530a0cd618289591588628bc9f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-117167.hdr.sgml**: 20251201

**ACCESSION NUMBER**: 0001104659-25-117167

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251201

**DATE AS OF CHANGE**: 20251201

**EFFECTIVENESS DATE**: 20251201

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Morgan Stanley Portfolios, Series 84
- **CENTRAL INDEX KEY:** 0002058929

**ORGANIZATION NAME:**
- **EIN:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-290149
- **FILM NUMBER:** 251537469

**BUSINESS ADDRESS:**
- **STREET 1:** 2000 WESTCHESTER AVENUE
- **CITY:** PURCHASE
- **STATE:** NY
- **ZIP:** 10577
- **BUSINESS PHONE:** 9142251000

**MAIL ADDRESS:**
- **STREET 1:** 2000 WESTCHESTER AVENUE
- **CITY:** PURCHASE
- **STATE:** NY
- **ZIP:** 10577

NO SERIES-AND-CLASSES-CONTRACTS-DATA BLOCK FOUND

Filed Pursuant to Rule 497(d)

**Morgan Stanley Portfolios, Series 84**

**Quality Dividend Strategy, Series 18**

**Supplement to the Prospectus**

In connection with the merger of Interpublic Group of Companies, Inc. and Omnicom Group Inc., completed on November 26, 2025, each share of Interpublic Group of Companies, Inc. was exchanged for 0.344 shares of Omnicom Group Inc. common stock. As a result, the Trust's portfolio now holds shares of Omnicom Group Inc. in place of Interpublic Group of Companies, Inc. shares.

All references to Interpublic Group of Companies, Inc. in the Prospectus are removed, and the Trust will continue to hold and purchase shares of Omnicom Group Inc.

Supplement Dated: December 1, 2025

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