# EDGAR Filing Document

**Accession Number:** 0000225322
**File Stem:** 0001752724-23-014581
**Filing Date:** 2023-1
**Character Count:** 22646
**Document Hash:** 868aec2cd8be6ccf998b98b62d7a7c51
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-23-014581.hdr.sgml**: 20230126

**ACCESSION NUMBER**: 0001752724-23-014581

**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:** 23556414

**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 Technology Fund (Series ID: S000067935)

| Class ID   | Class Name                          | Ticker Symbol   |
|:---|:---|:---|
| C000217777 | Fidelity Disruptive Technology Fund | FTEKX           |
| C000219009 | Loyalty Class 1                     | FTKLX           |
| C000219010 | Loyalty Class 2                     | FTKMX           |
| C000219011 | Class F                             | FTKNX           |

## 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 Technology Fund

- **b. EDGAR series identifier (if any):** S000067935

- **c. LEI of Series:** 54930000FJDDF3M3OE75

**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:** $86656525.79

**Total Liabilities:** $2909818.56

**Net Assets:** $83746707.23

**Cash Not Reported:** $452.33

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000219011 | -13.19%              | 3.04%                | 5.33%                |
| Class ID C000219010 | -13.29%              | 3.07%                | 5.37%                |
| Class ID C000219009 | -13.29%              | 2.99%                | 5.31%                |
| Class ID C000217777 | -13.32%              | 2.99%                | 5.33%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-1608892.20             | $-12152567.53                              |
| Month 2  | $-10155155.35            | $11794612.56                               |
| Month 3  | $-2877719.90             | $7091253.48                                |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| BE SEMICONDUCTOR INDUSTRIES NV              | BE SEMICOND INDUS NV (NETH)                   | CUSIP: N/A<br>LEI: 7245007A1YFLI2GNYX06       | Long             | EC               | CORP              | NL        |     10696 | NS      | $696711.49    | 0.83%             |  |  |  | No            |                  2 | On Loan: No      |
| APPLE INC                                   | APPLE INC                                     | CUSIP: 037833100<br>LEI: HWUPKR0MPOU8FGXBT394 | Long             | EC               | CORP              | US        |      9052 | NS      | $1339967.56   | 1.60%             |  |  |  | No            |                  1 | On Loan: No      |
| ZOZO INC                                    | ZOZO INC                                      | CUSIP: N/A<br>LEI: 549300GC7XPQMZA0OW13       | Long             | EC               | CORP              | JP        |     42121 | NS      | $1063413.73   | 1.27%             |  |  |  | No            |                  2 | On Loan: No      |
| T-MOBILE US INC                             | T-MOBILE US INC                               | CUSIP: 872590104<br>LEI: 549300QHIJYOHPACPG31 | Long             | EC               | CORP              | US        |     14998 | NS      | $2271597.08   | 2.71%             |  |  |  | No            |                  1 | On Loan: No      |
| AMAZON.COM INC                              | AMAZON.COM INC                                | CUSIP: 023135106<br>LEI: ZXTILKJKG63JELOEG630 | Long             | EC               | CORP              | US        |     31174 | NS      | $3009537.96   | 3.59%             |  |  |  | No            |                  1 | On Loan: No      |
| SOLAREDGE TECHNOLOGIES INC                  | SOLAREDGE TECHNOLOGIES INC                    | CUSIP: 83417M104<br>LEI: 5493000K6Y58XXPDF853 | Long             | EC               | CORP              | US        |      6531 | NS      | $1951854.66   | 2.33%             |  |  |  | No            |                  1 | On Loan: No      |
| MICROSOFT CORP                              | MICROSOFT CORP                                | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |     17575 | NS      | $4484085.50   | 5.35%             |  |  |  | No            |                  1 | On Loan: No      |
| ALPHABET INC                                | ALPHABET INC CL C                             | CUSIP: 02079K107<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |     33546 | NS      | $3403241.70   | 4.06%             |  |  |  | No            |                  1 | On Loan: No      |
| ACCENTURE PLC                               | ACCENTURE PLC CL A                            | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | IE        |      5045 | NS      | $1518191.85   | 1.81%             |  |  |  | No            |                  1 | On Loan: No      |
| ADOBE INC                                   | ADOBE INC                                     | CUSIP: 00724F101<br>LEI: FU4LY2G4933NH2E1CP29 | Long             | EC               | CORP              | US        |     11019 | NS      | $3800783.67   | 4.54%             |  |  |  | No            |                  1 | On Loan: No      |
| CONFLUENT INC                               | CONFLUENT INC                                 | CUSIP: 20717M103<br>LEI: 254900MRZ83YWUV7SN74 | Long             | EC               | CORP              | US        |     38982 | NS      | $897755.46    | 1.07%             |  |  |  | No            |                  1 | On Loan: —       |
| ATLASSIAN CORP PLC                          | ATLASSIAN CORP PLC CLS A                      | CUSIP: 049468101<br>LEI: 549300V7ZY5P02D2MY38 | Long             | EC               | CORP              | US        |      8197 | NS      | $1078315.35   | 1.29%             |  |  |  | No            |                  1 | On Loan: No      |
| META PLATFORMS INC                          | META PLATFORMS INC CL A                       | CUSIP: 30303M102<br>LEI: BQ4BKCS1HXDV9HN80Z93 | Long             | EC               | CORP              | US        |      9052 | NS      | $1069041.20   | 1.28%             |  |  |  | No            |                  1 | On Loan: No      |
| INTUIT INC                                  | INTUIT INC                                    | CUSIP: 461202103<br>LEI: VI90HBPH7XSFMB9E4M29 | Long             | EC               | CORP              | US        |      4939 | NS      | $2013087.01   | 2.40%             |  |  |  | No            |                  1 | On Loan: No      |
| LYFT INC                                    | LYFT INC                                      | CUSIP: 55087P104<br>LEI: 549300H7I5VN334XVZ52 | Long             | EC               | CORP              | US        |     28196 | NS      | $316359.12    | 0.38%             |  |  |  | No            |                  1 | On Loan: No      |
| CROWDSTRIKE HOLDINGS INC                    | CROWDSTRIKE HOLDINGS INC                      | CUSIP: 22788C105<br>LEI: 549300YBY08K9KM4HX32 | Long             | EC               | CORP              | US        |      6014 | NS      | $707547.10    | 0.84%             |  |  |  | No            |                  1 | On Loan: No      |
| KAKAO CORP                                  | KAKAO CORP                                    | CUSIP: N/A<br>LEI: 988400FTKUBQXKVZP434       | Long             | EC               | CORP              | KR        |      8756 | NS      | $388458.75    | 0.46%             |  |  |  | No            |                  2 | On Loan: No      |
| HASHICORP INC                               | HASHICORP INC                                 | CUSIP: 418100103<br>LEI: 549300XGOB9ZFQHMIP56 | Long             | EC               | CORP              | US        |     26377 | NS      | $720092.10    | 0.86%             |  |  |  | No            |                  1 | On Loan: —       |
| MAKEMYTRIP LIMITED                          | MAKEMYTRIP LIMITED                            | CUSIP: N/A<br>LEI: 529900DNT8HNJ7RYUO60       | Long             | EC               | CORP              | MU        |     42604 | NS      | $1264912.76   | 1.51%             |  |  |  | No            |                  1 | On Loan: —       |
| TESLA INC                                   | TESLA INC                                     | CUSIP: 88160R101<br>LEI: 54930043XZGB27CTOV49 | Long             | EC               | CORP              | US        |      3262 | NS      | $635111.40    | 0.76%             |  |  |  | No            |                  1 | On Loan: No      |
| HUBSPOT INC                                 | HUBSPOT INC                                   | CUSIP: 443573100<br>LEI: 529900BLNVEW0MVKJB37 | Long             | EC               | CORP              | US        |      4899 | NS      | $1484543.97   | 1.77%             |  |  |  | No            |                  1 | On Loan: No      |
| SNOWFLAKE INC                               | SNOWFLAKE INC CL A                            | CUSIP: 833445109<br>LEI: 254900CJNSY1K7T53Z16 | Long             | EC               | CORP              | US        |      8586 | NS      | $1226939.40   | 1.47%             |  |  |  | No            |                  1 | On Loan: No      |
| MARVELL TECHNOLOGY INC                      | MARVELL TECHNOLOGY INC                        | CUSIP: 573874104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     69038 | NS      | $3211647.76   | 3.83%             |  |  |  | No            |                  1 | On Loan: No      |
| SPOTIFY TECHNOLOGY SA                       | SPOTIFY TECHNOLOGY SA                         | CUSIP: N/A<br>LEI: 549300B4X0JHWV0DTD60       | Long             | EC               | CORP              | LU        |      6472 | NS      | $514006.24    | 0.61%             |  |  |  | No            |                  1 | On Loan: No      |
| AMPLITUDE INC                               | AMPLITUDE INC                                 | CUSIP: 03213A104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     30556 | NS      | $437561.92    | 0.52%             |  |  |  | No            |                  1 | On Loan: No      |
| BILL.COM HOLDINGS INC                       | BILL.COM HOLDINGS INC                         | CUSIP: 090043100<br>LEI: 549300IBF9VZZIGOZW63 | Long             | EC               | CORP              | US        |      6372 | NS      | $767316.24    | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| GLOBAL-E ONLINE LTD                         | GLOBAL-E ONLINE LTD                           | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | IL        |     22752 | NS      | $490760.64    | 0.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Z HOLDINGS COR                              | Z HOLDINGS CORP                               | CUSIP: N/A<br>LEI: 52990078MD2OL792YM35       | Long             | EC               | CORP              | JP        |    841654 | NS      | $2316186.86   | 2.77%             |  |  |  | No            |                  2 | On Loan: No      |
| ENPHASE ENERGY INC                          | ENPHASE ENERGY INC                            | CUSIP: 29355A107<br>LEI: 5493008U7KIGMI59Z314 | Long             | EC               | CORP              | US        |      9562 | NS      | $3065481.58   | 3.66%             |  |  |  | No            |                  1 | On Loan: No      |
| TENCENT HLDGS LTD                           | TENCENT HOLDINGS LTD                          | CUSIP: N/A<br>LEI: 254900N4SLUMW4XUYY11       | Long             | EC               | CORP              | KY        |     21657 | NS      | $818987.95    | 0.98%             |  |  |  | No            |                  2 | On Loan: No      |
| MONGODB INC                                 | MONGODB INC CL A                              | CUSIP: 60937P106<br>LEI: 549300TPTG69WKWE1Z37 | Long             | EC               | CORP              | US        |      9041 | NS      | $1380470.29   | 1.65%             |  |  |  | No            |                  1 | On Loan: No      |
| QUALTRICS INTERNATIONAL INC                 | QUALTRICS INTERNATIONAL INC                   | CUSIP: 747601201<br>LEI: 549300NW34K5PVZGTN68 | Long             | EC               | CORP              | US        |     42530 | NS      | $436357.80    | 0.52%             |  |  |  | No            |                  1 | On Loan: No      |
| ADYEN NV                                    | ADYEN BV                                      | CUSIP: N/A<br>LEI: 724500973ODKK3IFQ447       | Long             | EC               | CORP              | NL        |      1216 | NS      | $1915587.67   | 2.29%             |  |  |  | No            |                  2 | On Loan: No      |
| SALESFORCE INC                              | SALESFORCE INC                                | CUSIP: 79466L302<br>LEI: RCGZFPDMRW58VJ54VR07 | Long             | EC               | CORP              | US        |     23371 | NS      | $3745202.75   | 4.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Revere Street Trust                | Fidelity Cash Central Fund                    | CUSIP: 31635A105<br>LEI: 549300BDV45LJNXBZC55 | Long             | STIV             | RF                | US        |     66445 | NS      | $66458.21     | 0.08%             |  |  |  | No            |                  1 | On Loan: No      |
| SNAP INC                                    | SNAP INC - A                                  | CUSIP: 83304A106<br>LEI: 549300JNC0L6VP8A2Q35 | Long             | EC               | CORP              | US        |     70407 | NS      | $725896.17    | 0.87%             |  |  |  | No            |                  1 | On Loan: No      |
| DOORDASH INC                                | DOORDASH INC                                  | CUSIP: 25809K105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      6424 | NS      | $374198.00    | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| BLOCK INC                                   | BLOCK INC CL A                                | CUSIP: 852234103<br>LEI: 549300OHIIUWSTIZME52 | Long             | EC               | CORP              | US        |     12690 | NS      | $860001.30    | 1.03%             |  |  |  | No            |                  1 | On Loan: No      |
| TAIWAN SEMICONDUCTOR MFG CO LTD             | TAIWAN SEMIC MFG CO LTD SP ADR                | CUSIP: 874039100<br>LEI: 549300KB6NK5SBD14S87 | Long             | EC               | CORP              | TW        |     46944 | NS      | $3895413.12   | 4.65%             |  |  |  | No            |                  1 | On Loan: No      |
| PALO ALTO NETWORKS INC                      | PALO ALTO NETWORKS INC                        | CUSIP: 697435105<br>LEI: 549300QXR2YVZV231H43 | Long             | EC               | CORP              | US        |      9460 | NS      | $1607254.00   | 1.92%             |  |  |  | No            |                  1 | On Loan: No      |
| PAYCOM SOFTWARE INC                         | PAYCOM SOFTWARE INC                           | CUSIP: 70432V102<br>LEI: 254900LSB0HNJUDC6Q18 | Long             | EC               | CORP              | US        |      3372 | NS      | $1143445.20   | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| KINGDEE INTERNATIONAL SOFTWARE GROUP CO LTD | KINGDEE INTL SFTWRE GRP CO LTD                | CUSIP: N/A<br>LEI: 529900SWRZN94C5SZO63       | Long             | EC               | CORP              | KY        |    395119 | NS      | $666771.54    | 0.80%             |  |  |  | No            |                  2 | On Loan: No      |
| NETFLIX INC                                 | NETFLIX INC                                   | CUSIP: 64110L106<br>LEI: 549300Y7VHGU0I7CE873 | Long             | EC               | CORP              | US        |      9151 | NS      | $2795905.03   | 3.34%             |  |  |  | No            |                  1 | On Loan: No      |
| SAMSUNG SDI CO LTD                          | SAMSUNG SDI CO LTD                            | CUSIP: N/A<br>LEI: 9884002AESDO4YW87G32       | Long             | EC               | CORP              | KR        |      2634 | NS      | $1503520.23   | 1.80%             |  |  |  | No            |                  2 | On Loan: No      |
| TWILIO INC                                  | TWILIO INC CLASS A                            | CUSIP: 90138F102<br>LEI: 5493004W8TRGD63APX93 | Long             | EC               | CORP              | US        |     12404 | NS      | $608044.08    | 0.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Revere Street Trust                | Fidelity Securities Lending Cash Central Fund | CUSIP: 31635A303<br>LEI: 549300BDV45LJNXBZC55 | Long             | STIV             | RF                | US        |   2867713 | NS      | $2867999.99   | 3.42%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA CORP                                 | NVIDIA CORP                                   | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |     15427 | NS      | $2610711.21   | 3.12%             |  |  |  | No            |                  1 | On Loan: No      |
| WORKDAY INC                                 | WORKDAY INC CL A                              | CUSIP: 98138H101<br>LEI: 549300J0DYC0N31V7G13 | Long             | EC               | CORP              | US        |     22226 | NS      | $3731745.40   | 4.46%             |  |  |  | No            |                  1 | On Loan: No      |
| ASML HOLDING NV                             | ASML HOLDING NV                               | CUSIP: N/A<br>LEI: 724500Y6DUVHQD6OXN27       | Long             | EC               | CORP              | NL        |      6626 | NS      | $4045306.55   | 4.83%             |  |  |  | No            |                  2 | On Loan: No      |
| AIRBNB INC                                  | AIRBNB INC CLASS A                            | CUSIP: 009066101<br>LEI: 549300HMUDNO0RY56D37 | Long             | EC               | CORP              | US        |      6331 | NS      | $646648.34    | 0.77%             |  |  |  | No            |                  1 | On Loan: No      |
| FARFETCH LTD                                | FARFETCH LTD CL A                             | CUSIP: 30744W107<br>LEI: 549300QFQ74Z0F96NS78 | Long             | EC               | CORP              | KY        |     67510 | NS      | $573835.00    | 0.69%             |  |  |  | No            |                  1 | On Loan: —       |
| YANDEX NV                                   | YANDEX NV CL A                                | CUSIP: N/A<br>LEI: 549300GGZHJ5Q1B18P93       | Long             | EC               | CORP              | NL        |     47740 | NS      | $163740.56    | 0.20%             |  |  |  | No            |                  3 | On Loan: No      |
| UBER TECHNOLOGIES INC                       | UBER TECHNOLOGIES INC                         | CUSIP: 90353T100<br>LEI: 549300B2FTG34FILDR98 | Long             | EC               | CORP              | US        |     25489 | NS      | $742749.46    | 0.89%             |  |  |  | No            |                  1 | On Loan: No      |
| SEA LTD                                     | SEA LTD ADR                                   | CUSIP: 81141R100<br>LEI: 529900OM6JLLW44YKI15 | Long             | EC               | CORP              | KY        |     44031 | NS      | $2570089.47   | 3.07%             |  |  |  | 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