# EDGAR Filing Document

**Accession Number:** 0000225322
**File Stem:** 0001752724-23-014580
**Filing Date:** 2023-1
**Character Count:** 18557
**Document Hash:** 1df47b896c1f12c1411d75ed5c93fd36
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-23-014580.hdr.sgml**: 20230126

**ACCESSION NUMBER**: 0001752724-23-014580

**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:** 23556412

**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 Disruptive Automation Fund (Series ID: S000067931)

| Class ID   | Class Name                          | Ticker Symbol   |
|:---|:---|:---|
| C000217773 | Fidelity Disruptive Automation Fund | FBOTX           |
| C000218997 | Loyalty Class 2                     | FBTMX           |
| C000218998 | Class F                             | FBTNX           |
| C000218999 | Loyalty Class 1                     | FBTLX           |

## 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 Disruptive Automation Fund

- **b. EDGAR series identifier (if any):** S000067931

- **c. LEI of Series:** 549300IDJLXMTOD93B57

**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:** $102963733.03

**Total Liabilities:** $1573486.32

**Net Assets:** $101390246.71

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000217773 | -11.51%              | 6.14%                | 12.26%               |
| Class ID C000218999 | -11.46%              | 6.14%                | 12.27%               |
| Class ID C000218997 | -11.46%              | 6.18%                | 12.26%               |
| Class ID C000218998 | -11.41%              | 6.23%                | 12.27%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-571501.03              | $-11946354.54                              |
| Month 2  | $-3926584.70             | $9076678.57                                |
| Month 3  | $5803.66                 | $11073819.70                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| TERADYNE INC                        | TERADYNE INC                                  | CUSIP: 880770102<br>LEI: C3X4YJ278QNZHRJULN75 | Long             | EC               | CORP              | US        |     38471 | NS      | $3595114.95   | 3.55%             |  |  |  | No            |                  1 | On Loan: No      |
| SYNOPSYS INC                        | SYNOPSYS INC                                  | CUSIP: 871607107<br>LEI: QG7T915N9S0NY5UKNE63 | Long             | EC               | CORP              | US        |      5652 | NS      | $1919080.08   | 1.89%             |  |  |  | No            |                  1 | On Loan: No      |
| COGNEX CORP                         | COGNEX CORP                                   | CUSIP: 192422103<br>LEI: 549300JQTYZCLC43S226 | Long             | EC               | CORP              | US        |     17090 | NS      | $850740.20    | 0.84%             |  |  |  | No            |                  1 | On Loan: No      |
| RECRUIT HOLDINGS CO LTD             | RECRUIT HOLDINGS CO LTD                       | CUSIP: N/A<br>LEI: 353800R2LRSMVVC4I806       | Long             | EC               | CORP              | JP        |    111802 | NS      | $3617383.21   | 3.57%             |  |  |  | No            |                  2 | On Loan: No      |
| AMAZON.COM INC                      | AMAZON.COM INC                                | CUSIP: 023135106<br>LEI: ZXTILKJKG63JELOEG630 | Long             | EC               | CORP              | US        |      6768 | NS      | $653382.72    | 0.64%             |  |  |  | No            |                  1 | On Loan: No      |
| SMC CORP                            | SMC CORP                                      | CUSIP: N/A<br>LEI: 353800O40V08DOZ70X62       | Long             | EC               | CORP              | JP        |      8548 | NS      | $3900545.30   | 3.85%             |  |  |  | No            |                  2 | On Loan: No      |
| MICROSOFT CORP                      | MICROSOFT CORP                                | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |      9648 | NS      | $2461590.72   | 2.43%             |  |  |  | No            |                  1 | On Loan: No      |
| ALPHABET INC                        | ALPHABET INC CL C                             | CUSIP: 02079K107<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |     40451 | NS      | $4103753.95   | 4.05%             |  |  |  | No            |                  1 | On Loan: No      |
| ACCENTURE PLC                       | ACCENTURE PLC CL A                            | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | IE        |      8854 | NS      | $2664434.22   | 2.63%             |  |  |  | No            |                  1 | On Loan: No      |
| SYMBOTIC INC                        | SYMBOTIC INC                                  | CUSIP: 87151X101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     41694 | NS      | $460718.70    | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| ALTAIR ENGINEERING INC              | ALTAIR ENGINEERING INC CL A                   | CUSIP: 021369103<br>LEI: 549300FJ89HZ6GU9S994 | Long             | EC               | CORP              | US        |     17166 | NS      | $842335.62    | 0.83%             |  |  |  | No            |                  1 | On Loan: No      |
| HONEYWELL INTERNATIONAL INC         | HONEYWELL INTL INC                            | CUSIP: 438516106<br>LEI: ISRPG12PN4EIEOEMW547 | Long             | EC               | CORP              | US        |     23858 | NS      | $5238023.90   | 5.17%             |  |  |  | No            |                  1 | On Loan: No      |
| UNITY SOFTWARE INC                  | UNITY SOFTWARE INC                            | CUSIP: 91332U101<br>LEI: 549300D1ESJMGNQNG432 | Long             | EC               | CORP              | US        |      7536 | NS      | $297747.36    | 0.29%             |  |  |  | No            |                  1 | On Loan: —       |
| AUTODESK INC                        | AUTODESK INC                                  | CUSIP: 052769106<br>LEI: FRKKVKAIQEF3FCSTPG55 | Long             | EC               | CORP              | US        |      4645 | NS      | $938057.75    | 0.93%             |  |  |  | No            |                  1 | On Loan: No      |
| AUTOSTORE HOLDINGS LTD              | AUTOSTORE HOLDINGS LTD                        | CUSIP: N/A<br>LEI: 549300KYN3M0LSM5A413       | Long             | EC               | CORP              | BM        |    763401 | NS      | $1415849.27   | 1.40%             |  |  |  | No            |                  2 | On Loan: —       |
| MOBILEYE GLOBAL INC                 | MOBILEYE GLOBAL INC                           | CUSIP: 60741F104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      1600 | NS      | $45616.00     | 0.04%             |  |  |  | No            |                  1 | On Loan: No      |
| DASSAULT SYSTEMES SA                | DASSAULT SYSTEMES SA                          | CUSIP: N/A<br>LEI: 96950065LBWY0APQIM86       | Long             | EC               | CORP              | FR        |     53916 | NS      | $2010381.84   | 1.98%             |  |  |  | No            |                  2 | On Loan: No      |
| MANHATTAN ASSOCS INC                | MANHATTAN ASSOCIATES INC                      | CUSIP: 562750109<br>LEI: 529900Q1GJP7KD52SW51 | Long             | EC               | CORP              | US        |      6718 | NS      | $846064.92    | 0.83%             |  |  |  | No            |                  1 | On Loan: No      |
| SENSATA TECHNOLOGIES HOLDING PLC    | SENSATA TECHNOLOGIES HOLDING PLC              | CUSIP: N/A<br>LEI: 529900MS7KFYCY9MS037       | Long             | EC               | CORP              | GB        |     26481 | NS      | $1194293.10   | 1.18%             |  |  |  | No            |                  1 | On Loan: No      |
| TESLA INC                           | TESLA INC                                     | CUSIP: 88160R101<br>LEI: 54930043XZGB27CTOV49 | Long             | EC               | CORP              | US        |      2996 | NS      | $583321.20    | 0.58%             |  |  |  | No            |                  1 | On Loan: No      |
| ANSYS INC                           | ANSYS INC                                     | CUSIP: 03662Q105<br>LEI: 549300VJV8H15Z5FJ571 | Long             | EC               | CORP              | US        |     14184 | NS      | $3606991.20   | 3.56%             |  |  |  | No            |                  1 | On Loan: No      |
| FANUC CORPORATION                   | FANUC CORPORATION                             | CUSIP: N/A<br>LEI: 529900QTSW745LOKW705       | Long             | EC               | CORP              | JP        |     21128 | NS      | $3176827.69   | 3.13%             |  |  |  | No            |                  2 | On Loan: No      |
| MISUMI GROUP INC                    | MISUMI GROUP INC                              | CUSIP: N/A<br>LEI: 353800SJWGE5BEK2V032       | Long             | EC               | CORP              | JP        |    207557 | NS      | $5159334.98   | 5.09%             |  |  |  | No            |                  2 | On Loan: No      |
| RENISHAW PLC                        | RENISHAW PLC ORD                              | CUSIP: N/A<br>LEI: 21380048ADXM6Z67CT18       | Long             | EC               | CORP              | GB        |     76405 | NS      | $3451895.93   | 3.40%             |  |  |  | No            |                  2 | On Loan: No      |
| HEXAGON AB                          | HEXAGON AB SER B                              | CUSIP: N/A<br>LEI: 549300WJFW6ILNI4TA80       | Long             | EC               | CORP              | SE        |    394375 | NS      | $4509809.37   | 4.45%             |  |  |  | No            |                  2 | On Loan: No      |
| KEYENCE CORP                        | KEYENCE CORP                                  | CUSIP: N/A<br>LEI: 529900M7PQBS7A89DZ11       | Long             | EC               | CORP              | JP        |     10244 | NS      | $4334564.03   | 4.28%             |  |  |  | No            |                  2 | On Loan: No      |
| KARDEX HOLDING AG                   | KARDEX AG REG                                 | CUSIP: N/A<br>LEI: 529900JKKMQ07D6QZ480       | Long             | EC               | CORP              | CH        |      7765 | NS      | $1287163.95   | 1.27%             |  |  |  | No            |                  2 | On Loan: No      |
| NABTESCO CORP                       | NABTESCO CORP                                 | CUSIP: N/A<br>LEI: 529900DVHQXYRTGW7739       | Long             | EC               | CORP              | JP        |     35078 | NS      | $883730.12    | 0.87%             |  |  |  | No            |                  2 | On Loan: No      |
| SHENZHEN INOVANCE TECHNOLOGY CO LTD | SHENZHEN INOVANCE TECHNOLOGY CO LTD A         | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | CN        |    394568 | NS      | $3951395.60   | 3.90%             |  |  |  | No            |                  2 | On Loan: No      |
| INTUITIVE SURGICAL INC              | INTUITIVE SURGICAL INC                        | CUSIP: 46120E602<br>LEI: 54930052SRG011710797 | Long             | EC               | CORP              | US        |     16198 | NS      | $4379777.22   | 4.32%             |  |  |  | No            |                  1 | On Loan: No      |
| TAIWAN SEMICONDUCTOR MFG CO LTD     | TAIWAN SEMICONDUCTOR MFG CO LTD               | CUSIP: N/A<br>LEI: 549300KB6NK5SBD14S87       | Long             | EC               | CORP              | TW        |    285017 | NS      | $4593159.28   | 4.53%             |  |  |  | No            |                  2 | On Loan: No      |
| SIEMENS AG                          | SIEMENS AG (REGD)                             | CUSIP: N/A<br>LEI: W38RGI023J3WT1HWRP32       | Long             | EC               | CORP              | DE        |     18811 | NS      | $2608800.56   | 2.57%             |  |  |  | No            |                  2 | On Loan: No      |
| AIRTAC INTERNATIONAL GROUP          | AIRTAC INTERNATIONAL GROUP                    | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | KY        |     42118 | NS      | $1310917.44   | 1.29%             |  |  |  | No            |                  2 | On Loan: No      |
| PTC INC                             | PTC INC                                       | CUSIP: 69370C100<br>LEI: 54930050SSMU8SKDJ030 | Long             | EC               | CORP              | US        |     30452 | NS      | $3873798.92   | 3.82%             |  |  |  | No            |                  1 | On Loan: No      |
| THK CO LTD                          | THK CO LTD                                    | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | JP        |    103597 | NS      | $2043494.49   | 2.02%             |  |  |  | No            |                  2 | On Loan: No      |
| Fidelity Revere Street Trust        | Fidelity Securities Lending Cash Central Fund | CUSIP: 31635A303<br>LEI: 549300BDV45LJNXBZC55 | Long             | STIV             | RF                | US        |   1521848 | NS      | $1522000.02   | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA CORP                         | NVIDIA CORP                                   | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |     23003 | NS      | $3892797.69   | 3.84%             |  |  |  | No            |                  1 | On Loan: No      |
| DAIFUKU CO LTD                      | DAIFUKU CO LTD                                | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | JP        |     21448 | NS      | $1116586.32   | 1.10%             |  |  |  | No            |                  2 | On Loan: No      |
| HIWIN TECHNOLOGIES CORP             | HIWIN TECHNOLOGIES CORP                       | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | TW        |    605833 | NS      | $3710352.90   | 3.66%             |  |  |  | No            |                  2 | On Loan: No      |
| AMETEK INC NEW                      | AMETEK INC NEW                                | CUSIP: 031100100<br>LEI: 549300WZDEF9KKE40E98 | Long             | EC               | CORP              | US        |     10193 | NS      | $1451687.06   | 1.43%             |  |  |  | No            |                  1 | On Loan: No      |
| NEMETSCHEK SE                       | NEMETSCHEK SE                                 | CUSIP: N/A<br>LEI: 529900R0S2IX1S358J38       | Long             | EC               | CORP              | DE        |     11576 | NS      | $578541.24    | 0.57%             |  |  |  | No            |                  2 | On Loan: No      |
| NATIONAL INSTRUMENT CORP            | NATIONAL INSTRUMENT CORP                      | CUSIP: 636518102<br>LEI: 549300TP4OOPCYWDUP86 | Long             | EC               | CORP              | US        |     28383 | NS      | $1164270.66   | 1.15%             |  |  |  | No            |                  1 | On Loan: No      |
| ROCKWELL AUTOMATION INC             | ROCKWELL AUTOMATION INC                       | CUSIP: 773903109<br>LEI: VH3R4HHBHH12O0EXZJ88 | Long             | EC               | CORP              | US        |      9079 | NS      | $2398853.38   | 2.37%             |  |  |  | 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