# EDGAR Filing Document

**Accession Number:** 0000035315
**File Stem:** 0000315700-25-000071
**Filing Date:** 2025-9
**Character Count:** 1996
**Document Hash:** 67d0d6e04ceca08952f71ed25536d865
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000315700-25-000071.hdr.sgml**: 20260320

**ACCESSION NUMBER**: 0000315700-25-000071

**CONFORMED SUBMISSION TYPE**: CORRESP

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250905

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIDELITY SALEM STREET TRUST
- **CENTRAL INDEX KEY:** 0000035315

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0430

**FILING VALUES:**
- **FORM TYPE:** CORRESP

**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 FIXED INCOME TRUST
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY FLEXIBLE BOND FUND
- **DATE OF NAME CHANGE:** 19860904

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY CORPORATE BOND FUND INC
- **DATE OF NAME CHANGE:** 19851225

COMMENTS RECEIVED ON 08/21/2025

FROM DANIEL GREENSPAN

FIDELITY SALEM STREET TRUST (File Nos. 002-41839 and 811-02105)

Fidelity SAI U.S. Momentum Index Fund

POST-EFFECTIVE AMENDMENT NO. 601

&nbsp;&nbsp;&nbsp;&nbsp;1. "Investment Details" (prospectus)

"Other Investment Strategies"

"In addition to the principal investment strategies discussed above, Geode may use various techniques, such as buying and selling futures contracts, swaps, and exchange traded funds, to increase or decrease the fund's exposure to changing security prices or other factors that affect security values."

C:

The Staff requests that we explain how this strategy is consistent with a passive fund.

R:

The strategies highlighted above are not principal investment strategies of the fund and are used under certain circumstances to help the fund track the performance of the index and achieve its investment objective.

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