# EDGAR Filing Document

**Accession Number:** 0000754510
**File Stem:** 0000754510-26-000077
**Filing Date:** 2026-6
**Character Count:** 10236
**Document Hash:** a3dc5335c4d7c7de39e83cc59e4220a1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000754510-26-000077.hdr.sgml**: 20260601

**ACCESSION NUMBER**: 0000754510-26-000077

**CONFORMED SUBMISSION TYPE**: 485BXT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260601

**DATE AS OF CHANGE**: 20260601

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIDELITY SECURITIES FUND
- **CENTRAL INDEX KEY:** 0000754510

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0731

**FILING VALUES:**
- **FORM TYPE:** 485BXT
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-04118
- **FILM NUMBER:** 261048135

**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
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIDELITY SECURITIES FUND
- **CENTRAL INDEX KEY:** 0000754510

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0731

**FILING VALUES:**
- **FORM TYPE:** 485BXT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-93601
- **FILM NUMBER:** 261048134

**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

## Series and Classes Contracts Data

### Fidelity Real Estate Income Fund (Series ID: S000007192)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000276225 | ETF Class    | FREI            |

Securities Act of 1933 Registration No. 002-93601

Investment Company Act of 1940 Registration No. 811-04118

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 [X]

[ ] Pre-Effective Amendment No. ______

[X] Post-Effective Amendment No. <u>177</u>

and

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940 [X]

[X] Amendment No. <u>177</u>

**Fidelity Securities Fund**<br> (Exact Name of Registrant as Specified in Charter)

**245 Summer Street, Boston, Massachusetts 02210**

(Address of Principal Executive Offices)(Zip Code)

Registrant's Telephone Number: **617-563-7000**

**Nicole Macarchuk, Secretary and Chief Legal Officer**

**245 Summer Street**

**Boston, Massachusetts 02210**

(Name and Address of Agent for Service)

[X] ***This Post-Effective Amendment designates a new effective date for a previously filed post-effective amendment.***

The purpose of this Post-Effective Amendment is to designate a new effective date, June 12, 2026, for the Post-Effective Amendment previously filed on March 25, 2026, for the fund(s).

The Prospectus(es) and Statement(s) of Additional Information (SAI) for the fund(s) are identical to those filed in [<u>Post-Effective Amendment No. 175</u>](http://www.sec.gov/Archives/edgar/data/754510/000075451026000027/newetf_main.htm), the Part C is identical to the Part C filed in [<u>Post-Effective Amendment No. 176</u>](http://www.sec.gov/Archives/edgar/data/754510/000075451026000062/filing12052.htm), and the Prospectus(es), SAI(s), and Part C are incorporated herein in their entirety by reference to those previously filed Post-Effective Amendments.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Registrant certifies that it meets all of the requirements for the effectiveness of this Registration Statement pursuant to Rule 485(b) under the Securities Act of 1933 and has duly caused this Post-Effective Amendment No. 177 to the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Boston, and Commonwealth of Massachusetts, on the 1st day of June 2026.

---

| | |
|:---|:---|
| &nbsp;&nbsp; Fidelity Securities Fund | &nbsp;&nbsp; Fidelity Securities Fund |
| &nbsp;&nbsp; By | &nbsp;&nbsp; <u>/s/Stacie M. Smith</u><br> Stacie M. Smith, President |

---

Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp; <u>(Signature)</u>  | &nbsp;&nbsp; <u>(Title)</u> | &nbsp;&nbsp; <u>(Date)</u> |
| &nbsp;&nbsp; <u>/s/Stacie M. Smith</u> | &nbsp;&nbsp; President and Treasurer | &nbsp;&nbsp; June 1, 2026  |
| &nbsp;&nbsp; Stacie M. Smith | &nbsp;&nbsp; (Principal Executive Officer) |  |
| &nbsp;&nbsp; <u>/s/Stephanie Caron</u> | &nbsp;&nbsp; Chief Financial Officer | &nbsp;&nbsp; June 1, 2026  |
| &nbsp;&nbsp; Stephanie Caron | &nbsp;&nbsp; (Principal Financial Officer) |  |
| &nbsp;&nbsp; <u>/s/Vijay C. Advani</u><br> &nbsp;&nbsp; \* | &nbsp;&nbsp; Trustee | &nbsp;&nbsp; June 1, 2026  |
| &nbsp;&nbsp; Vijay C. Advani |  |  |
| &nbsp;&nbsp; <u>/s/Thomas P. Bostick</u><br> &nbsp;&nbsp; \* | &nbsp;&nbsp; Trustee | &nbsp;&nbsp; June 1, 2026  |
| &nbsp;&nbsp; Thomas P. Bostick |  |  |
| &nbsp;&nbsp; <u>/s/Bettina Doulton</u><br> &nbsp;&nbsp; \* | &nbsp;&nbsp; Trustee | &nbsp;&nbsp; June 1, 2026  |
| &nbsp;&nbsp; Bettina Doulton |  |  |
| &nbsp;&nbsp; <u>/s/Vicki L. Fuller</u><br> &nbsp;&nbsp; \* | &nbsp;&nbsp; Trustee | &nbsp;&nbsp; June 1, 2026  |
| &nbsp;&nbsp; Vicki L. Fuller |  |  |
| &nbsp;&nbsp; <u>/s/Patricia L. Kampling</u><br> &nbsp;&nbsp; \* | &nbsp;&nbsp; Trustee | &nbsp;&nbsp; June 1, 2026  |
| &nbsp;&nbsp; Patricia L. Kampling |  |  |
| &nbsp;&nbsp; <u>/s/Thomas Kennedy</u><br> &nbsp;&nbsp; \* | &nbsp;&nbsp; Trustee | &nbsp;&nbsp; June 1, 2026  |
| &nbsp;&nbsp; Thomas Kennedy |  |  |
| &nbsp;&nbsp; <u>/s/Robert A. Lawrence</u><br> &nbsp;&nbsp; \* | &nbsp;&nbsp; Trustee | &nbsp;&nbsp; June 1, 2026  |
| &nbsp;&nbsp; Robert A. Lawrence |  |  |
| &nbsp;&nbsp; <u>/s/Oscar Munoz</u><br> &nbsp;&nbsp; \* | &nbsp;&nbsp; Trustee | &nbsp;&nbsp; June 1, 2026  |
| &nbsp;&nbsp; Oscar Munoz |  |  |
| &nbsp;&nbsp; <u>/s/Karen B. Peetz</u><br> &nbsp;&nbsp; \* | &nbsp;&nbsp; Trustee | &nbsp;&nbsp; June 1, 2026  |
| &nbsp;&nbsp; Karen B. Peetz |  |  |
| &nbsp;&nbsp; <u>/s/Sabra Purtill</u><br> &nbsp;&nbsp; \* | &nbsp;&nbsp; Trustee | &nbsp;&nbsp; June 1, 2026  |
| &nbsp;&nbsp; Sabra Purtill |  |  |
| &nbsp;&nbsp; <u>/s/Susan Tomasky</u><br> &nbsp;&nbsp; \* | &nbsp;&nbsp; Trustee | &nbsp;&nbsp; June 1, 2026  |
| &nbsp;&nbsp; Susan Tomasky |  |  |

---

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp; \* | &nbsp;&nbsp; By: | &nbsp;&nbsp; <u>/s/Megan C. Johnson</u> |
|  |  | &nbsp;&nbsp; Megan C. Johnson, ****pursuant to a power of attorney dated June 1, 2026, and filed herewith. |

---

<u>POWER OF ATTORNEY</u>

We, the undersigned Directors or Trustees, as the case may be, of the following investment companies:

---

| | |
|:---|:---|
| &nbsp;&nbsp; Fidelity Advisor Series I<br> Fidelity Advisor Series VII<br> Fidelity Advisor Series VIII<br> Fidelity Capital Trust<br> Fidelity Commonwealth Trust<br> Fidelity Commonwealth Trust II<br> Fidelity Concord Street Trust<br> Fidelity Contrafund<br> Fidelity Covington Trust<br> Fidelity Destiny Portfolios<br> Fidelity Devonshire Trust<br> Fidelity Financial Trust | &nbsp;&nbsp; Fidelity Hastings Street Trust <br> Fidelity Investment Trust<br> Fidelity Magellan Fund<br> Fidelity Mt. Vernon Street Trust<br> Fidelity Puritan Trust<br> Fidelity Securities Fund<br> Fidelity Select Portfolios<br> Fidelity Summer Street Trust<br> Fidelity Trend Fund<br> Variable Insurance Products Fund<br> Variable Insurance Products Fund II<br> Variable Insurance Products Fund III<br> Variable Insurance Products Fund IV |

---

in addition to any other investment company for which Fidelity Management & Research Company ("FMR") or an affiliate acts as investment adviser and for which the undersigned individuals serve as Directors or Trustees (collectively, the "Funds"), hereby revoke all previous powers of attorney we have given to sign and otherwise act in our names and behalf in matters involving any investment company for which FMR or an affiliate acts as investment adviser and hereby constitute and appoint Thomas C. Bogle, John V. O'Hanlon, and Megan C. Johnson, each of them singly, our true and lawful attorneys-in-fact, with full power of substitution, and with full power to each of them, to sign for us and in our names in the appropriate capacities, all Registration Statements of the Funds on Form N-1A, or any successors thereto, any and all subsequent Amendments, Pre-Effective Amendments, or Post-Effective Amendments to said Registration Statements or any successors thereto, and any supplements or other instruments in connection therewith, and generally to do all such things in our names and behalf in connection therewith as said attorneys–in-fact deem necessary or appropriate, to comply with the provisions of the Securities Act of 1933 and the Investment Company Act of 1940, and all related requirements of the Securities and Exchange Commission. We hereby ratify and confirm all that said attorneys-in-fact or their substitutes may do or cause to be done by virtue hereof. This power of attorney is effective for all documents filed on or after June 1, 2026.

WITNESS our hands on this first day of June 2026.

---

| | |
|:---|:---|
| &nbsp;&nbsp; <u>/s/Vijay C. Advani</u> | &nbsp;&nbsp; <u>/s/Robert A. Lawrence</u> |
| &nbsp;&nbsp; Vijay C. Advani | &nbsp;&nbsp; Robert A. Lawrence |
| &nbsp;&nbsp; <u>/s/Thomas P. Bostick</u> | &nbsp;&nbsp; <u>/s/Oscar Munoz</u> |
| &nbsp;&nbsp; Thomas P. Bostick | &nbsp;&nbsp; Oscar Munoz |
| &nbsp;&nbsp; <u>/s/Bettina Doulton</u> | &nbsp;&nbsp; <u>/s/Karen B. Peetz</u> |
| &nbsp;&nbsp; Bettina Doulton | &nbsp;&nbsp; Karen B. Peetz |
| &nbsp;&nbsp; <u>/s/Vicki L. Fuller</u> | &nbsp;&nbsp; <u>/s/Sabra Purtill</u> |
| &nbsp;&nbsp; Vicki L. Fuller | &nbsp;&nbsp; Sabra Purtill |
| &nbsp;&nbsp; <u>/s/Patricia L. Kampling</u> | &nbsp;&nbsp; <u>/s/Susan Tomasky</u> |
| &nbsp;&nbsp; Patricia L. Kampling | &nbsp;&nbsp; Susan Tomasky |
| &nbsp;&nbsp; <u>/s/Thomas Kennedy</u> |  |
| &nbsp;&nbsp; Thomas Kennedy |  |

---

<br>