# EDGAR Filing Document

**Accession Number:** 0000225322
**File Stem:** 0001752724-23-014597
**Filing Date:** 2023-1
**Character Count:** 5783
**Document Hash:** fcf3ec6a142bb222b146e02bbc711da9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-23-014597.hdr.sgml**: 20230126

**ACCESSION NUMBER**: 0001752724-23-014597

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20221130

**FILED AS OF DATE**: 20230126

**DATE AS OF CHANGE**: 20230126

**PERIOD START**: 20230531

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIDELITY SUMMER STREET TRUST
- **CENTRAL INDEX KEY:** 0000225322
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0430

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-02737
- **FILM NUMBER:** 23556433

**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 HIGH INCOME FUND
- **DATE OF NAME CHANGE:** 19890309

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY AGGRESSIVE INCOME FUND
- **DATE OF NAME CHANGE:** 19810205

## Series and Classes Contracts Data

### Fidelity Disruptors Fund (Series ID: S000067936)

| Class ID   | Class Name               | Ticker Symbol   |
|:---|:---|:---|
| C000217778 | Fidelity Disruptors Fund | FGDFX           |
| C000219012 | Loyalty Class 1          | FGLLX           |
| C000219013 | Loyalty Class 2          | FGLMX           |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** Fidelity Summer Street Trust

- **b. Investment Company Act file number:** 811-02737

- **c. CIK number of Registrant:** 0000225322

- **d. LEI of Registrant:** P1TJ3M056NR1SYX5LY49

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 245 Summer Street

  - **City:** Boston

  - **State:** MA

  - **Foreign country:** US

  - **Zip / Postal Code:** 02210

  - **Telephone number:** 1-800-FIDELITY

**Item A.2. Information about the Series.**

- **a. Name of Series:** Fidelity Disruptors Fund

- **b. EDGAR series identifier (if any):** S000067936

- **c. LEI of Series:** 549300RGI7JS8ONGDS13

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2023-05-31

- **b. Date as of which information is reported:** 2022-11-30

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $101656763.18

**Total Liabilities:** $66034.35

**Net Assets:** $101590728.83

**Cash Not Reported:** $311.99

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000219013 | -10.09%              | 5.39%                | 6.79%                |
| Class ID C000217778 | -10.08%              | 5.34%                | 6.76%                |
| Class ID C000219012 | -10.06%              | 5.32%                | 6.74%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-735827.96              | $-11026336.03                              |
| Month 2  | $-6461598.62             | $11218650.53                               |
| Month 3  | $-473503.91              | $6978599.82                                |

### Schedule of Portfolio Investments

| Name                         | Title                                    | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Fidelity Summer Street Trust | FIDELITY DISRUPTIVE COMMUNICATIONS FUNDF | CUSIP: 31641Q425<br>LEI: P1TJ3M056NR1SYX5LY49 | Long             | EC               | RF                | US        |   1736724 | NS      | $18895560.83  | 18.60%            |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Summer Street Trust | FIDELITY DISRUPTIVE MEDICINE FUND        | CUSIP: 31641Q334<br>LEI: P1TJ3M056NR1SYX5LY49 | Long             | EC               | RF                | US        |   1846754 | NS      | $21071466.05  | 20.74%            |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Summer Street Trust | FIDELITY DISRUPTIVE FINANCE FUNDF        | CUSIP: 31641Q375<br>LEI: P1TJ3M056NR1SYX5LY49 | Long             | EC               | RF                | US        |   1491098 | NS      | $21099036.40  | 20.77%            |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Summer Street Trust | FIDELITY DISRUPTIVE AUTOMATION FUNDF     | CUSIP: 31641Q466<br>LEI: P1TJ3M056NR1SYX5LY49 | Long             | EC               | RF                | US        |   1480934 | NS      | $21814164.91  | 21.47%            |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Summer Street Trust | FIDELITY DISRUPTIVE TECHNOLOGY FUNDF     | CUSIP: 31641Q284<br>LEI: P1TJ3M056NR1SYX5LY49 | Long             | EC               | RF                | US        |   1696136 | NS      | $18776223.00  | 18.48%            |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2022-12-30

**Name of Applicant:** Stacie M. Smith

**Signature:** Stacie M. Smith

**Name of Signer:** Stacie M. Smith

**Title:** President and Treasurer