# EDGAR Filing Document

**Accession Number:** 0000063091
**File Stem:** 0000912938-26-000517
**Filing Date:** 2026-5
**Character Count:** 2487
**Document Hash:** acf42d39caa9e90ea701c5666375ae03
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000912938-26-000517.hdr.sgml**: 20260505

**ACCESSION NUMBER**: 0000912938-26-000517

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260505

**DATE AS OF CHANGE**: 20260505

**EFFECTIVENESS DATE**: 20260505

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MASSACHUSETTS INVESTORS TRUST
- **CENTRAL INDEX KEY:** 0000063091

**ORGANIZATION NAME:**
- **EIN:** 041590600
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-11401
- **FILM NUMBER:** 26940979

**BUSINESS ADDRESS:**
- **STREET 1:** 111 HUNTINGTON AVENUE
- **STREET 2:** 21ST FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199
- **BUSINESS PHONE:** 18006372929

**MAIL ADDRESS:**
- **STREET 1:** 111 HUNTINGTON AVENUE
- **STREET 2:** 21ST FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199

## Series and Classes Contracts Data

### Massachusetts Investors Trust (Series ID: S000000696)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000002037 | A            | MITTX           |
| C000002038 | R4           | MITDX           |
| C000002042 | B            | MITBX           |
| C000002043 | C            | MITCX           |
| C000002044 | I            | MITIX           |
| C000002046 | R1           | MITGX           |
| C000002048 | R2           | MIRTX           |
| C000002049 | R3           | MITHX           |
| C000113374 | R6           | MITJX           |

#### 111 Huntington Avenue, Boston, Massachusetts 02199

#### 617-954-5000
May 5, 2026

#### VIA EDGAR
United States Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

#### Re: Massachusetts Investors Trust (the "Trust") (File Nos. 2-11401 and 811-203)
Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, please accept this letter on behalf of the Trust as certification that the Prospectus and the Statement of Additional Information for the Trust do not differ from those contained in Post-Effective Amendment No. 121 (the "Amendment") to the Trust's Registration Statement on Form N-1A. The Amendment was filed electronically on April 29, 2026.

Please call the undersigned at (617) 954-5843 or Vanessa Rodriguez-Jimenez at (617) 954-5831 with any questions you may have.

Sincerely,

/s/BRIAN E. LANGENFELD

Brian E. Langenfeld

Vice President and Managing Counsel

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