# EDGAR Filing Document

**Accession Number:** 0000819118
**File Stem:** 0000819118-25-000413
**Filing Date:** 2025-11
**Character Count:** 2426
**Document Hash:** 369b9286032bbd3c5363ccd5ceb60bc9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000819118-25-000413.hdr.sgml**: 20251110

**ACCESSION NUMBER**: 0000819118-25-000413

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251110

**DATE AS OF CHANGE**: 20251110

**EFFECTIVENESS DATE**: 20251110

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIDELITY CONCORD STREET TRUST
- **CENTRAL INDEX KEY:** 0000819118

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0228

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-15983
- **FILM NUMBER:** 251464851

**BUSINESS ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210
- **BUSINESS PHONE:** 617-563-7000

**MAIL ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY INSTITUTIONAL TRUST
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Fidelity 500 Index Fund (Series ID: S000006027)

| Class ID   | Class Name              | Ticker Symbol   |
|:---|:---|:---|
| C000100045 | Fidelity 500 Index Fund | FXAIX           |

**Supplement to the Fidelity® 500 Index Fund April 29, 2025 Summary Prospectus**

The following information supplements information found in the "Fund Summary" section under the "Principal Investment Strategies" heading.

The fund may operate as a non-diversified fund, as defined under the Investment Company Act of 1940 (1940 Act), to the approximate extent the index is non-diversified. The fund may therefore operate as non-diversified solely as a result of a change in relative market capitalization or index weighting of one or more constituents of the index.

The following information supplements information found in the "Fund Summary" section under the "Principal Investment Risks" heading.

*In addition, the fund may operate as a non-diversified fund under the 1940 Act to the approximate extent the index is non-diversified. A non-diversified fund may invest a greater portion of its assets in securities of a smaller number of individual issuers than a diversified fund. As a result, changes in the market value of a single investment could cause greater fluctuations in share price than would occur in a more diversified fund.*

U5I-U5A-SUSTK-1125-106 1.9870361.106 November 10, 2025