# EDGAR Filing Document

**Accession Number:** 0000880195
**File Stem:** 0000035402-26-003427
**Filing Date:** 2026-5
**Character Count:** 8371
**Document Hash:** 23b40893ca72ab2bc4d63358b97c7ee9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000035402-26-003427.hdr.sgml**: 20260526

**ACCESSION NUMBER**: 0000035402-26-003427

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260526

**DATE AS OF CHANGE**: 20260526

**PERIOD START**: 20260331

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIDELITY ABERDEEN STREET TRUST
- **CENTRAL INDEX KEY:** 0000880195

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-06440
- **FILM NUMBER:** 261017560

**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 INSTITUTIONAL INVESTORS TRUST
- **DATE OF NAME CHANGE:** 19920811

## Series and Classes Contracts Data

### Fidelity Sustainable Target Date Retirement Fund (Series ID: S000080299)

| Class ID   | Class Name                                                        | Ticker Symbol   |
|:---|:---|:---|
| C000242491 | Class K6                                                          | FSUWX           |
| C000242492 | Class K                                                           | FSUOX           |
| C000242494 | Fidelity Advisor Sustainable Target Date Retirement Fund: Class Z | FSULX           |
| C000242495 | Fidelity Advisor Sustainable Target Date Retirement Fund          | FSUDX           |
| C000242496 | Fidelity Advisor Sustainable Target Date Retirement Fund: Class C | FSUFX           |
| C000242497 | Fidelity Advisor Sustainable Target Date Retirement Fund: Class M | FSUHX           |
| C000242498 | Fidelity Advisor Sustainable Target Date Retirement Fund: Class A | FSUEX           |
| C000242499 | Fidelity Advisor Sustainable Target Date Retirement Fund: Class I | FSUJX           |

## 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 Aberdeen Street Trust

- **b. Investment Company Act file number:** 811-06440

- **c. CIK number of Registrant:** 0000880195

- **d. LEI of Registrant:** EH5MGE941XHR05KZ4E50

- **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 Sustainable Target Date Retirement Fund

- **b. EDGAR series identifier (if any):** S000080299

- **c. LEI of Series:** 54930008734F3281RY83

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

- **a. Date of fiscal year-end:** 2026-03-31

- **b. Date as of which information is reported:** 2026-03-31

**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:** $1408619.57

**Total Liabilities:** $575.35

**Net Assets:** $1408044.22

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000242491 | 1.11%                | 1.57%                | -2.77%               |
| Class ID C000242492 | 1.11%                | 1.56%                | -2.69%               |
| Class ID C000242494 | 1.11%                | 1.56%                | -2.69%               |
| Class ID C000242495 | 1.02%                | 1.56%                | -2.70%               |
| Class ID C000242496 | 1.02%                | 1.49%                | -2.86%               |
| Class ID C000242497 | 1.02%                | 1.53%                | -2.74%               |
| Class ID C000242498 | 1.11%                | 1.54%                | -2.81%               |
| Class ID C000242499 | 1.11%                | 1.55%                | -2.70%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $123.92                  | $13103.17                                  |
| Month 2  | $-652.33                 | $21102.71                                  |
| Month 3  | $-168.15                 | $-42659.40                                 |

### 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 Salem Street Trust    | Fidelity Series Long-Term Treasury Bond Index Fund              | CUSIP: 31635V620<br>LEI: S4W85DGKOEJ24DPRB829 | Long             | EC               | RF                | US        |      3663 | NS      | $19521.75     | 1.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Hereford Street Trust | Fidelity Series Treasury Bill Index Fund                        | CUSIP: 31617H854<br>LEI: 549300KQI5JTFSYJTM18 | Long             | EC               | RF                | US        |      7791 | NS      | $77520.01     | 5.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity School Street Trust   | FIDELITY SERIES INTERNATIONAL DEVELOPED MARKETS BOND INDEX FUND | CUSIP: 31638R667<br>LEI: WX9R9SUUXPO900BH1D05 | Long             | EC               | RF                | US        |      8349 | NS      | $70720.21     | 5.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Salem Street Trust    | FIDELITY SERIES 0-5 YEAR INFLATION-PROTECTED BOND INDEX FUND    | CUSIP: 31635T666<br>LEI: S4W85DGKOEJ24DPRB829 | Long             | EC               | RF                | US        |     31891 | NS      | $316992.18    | 22.51%            |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Salem Street Trust    | FIDELITY SERIES 5+ YEAR INFLATION-PROTECTED BOND INDEX FUND     | CUSIP: 31635T658<br>LEI: S4W85DGKOEJ24DPRB829 | Long             | EC               | RF                | US        |      2106 | NS      | $15965.46     | 1.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Summer Street Trust   | Fidelity Series Sustainable U.S. Market Fund                    | CUSIP: 316433788<br>LEI: P1TJ3M056NR1SYX5LY49 | Long             | EC               | RF                | US        |     10778 | NS      | $169974.75    | 12.07%            |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Investment Trust      | Fidelity Series Sustainable Non-U.S. Developed Markets Fund     | CUSIP: 31618Q747<br>LEI: MXNTE4GH7BW81YELH558 | Long             | EC               | RF                | US        |      9527 | NS      | $131286.66    | 9.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Investment Trust      | Fidelity Series Sustainable Emerging Markets Fund               | CUSIP: 31618Q754<br>LEI: MXNTE4GH7BW81YELH558 | Long             | EC               | RF                | US        |      4459 | NS      | $66530.65     | 4.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Salem Street Trust    | Fidelity Series Sustainable Investment Grade Bond Fund          | CUSIP: 31635T252<br>LEI: S4W85DGKOEJ24DPRB829 | Long             | EC               | RF                | US        |     55397 | NS      | $537900.60    | 38.20%            |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2026-04-30

**Name of Applicant:** Laura M. Del Prato

**Signature:** Laura M. Del Prato

**Name of Signer:** Laura M. Del Prato

**Title:** President and Treasurer