# EDGAR Filing Document

**Accession Number:** 0000880195
**File Stem:** 0000035402-25-002220
**Filing Date:** 2025-11
**Character Count:** 7284
**Document Hash:** 4be793bbc0a44e4c282dbcae5c987a20
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000035402-25-002220.hdr.sgml**: 20251125

**ACCESSION NUMBER**: 0000035402-25-002220

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251125

**DATE AS OF CHANGE**: 20251125

**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:** 251519735

**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 2055 Fund (Series ID: S000080301)

| Class ID   | Class Name                                                  | Ticker Symbol   |
|:---|:---|:---|
| C000242509 | Fidelity Advisor Sustainable Target Date 2055 Fund: Class A | FSZJX           |
| C000242510 | Fidelity Advisor Sustainable Target Date 2055 Fund: Class M | FSZLX           |
| C000242511 | Fidelity Advisor Sustainable Target Date 2055 Fund: Class C | FSZKX           |
| C000242512 | Fidelity Advisor Sustainable Target Date 2055 Fund: Class I | FSZMX           |
| C000242513 | Fidelity Advisor Sustainable Target Date 2055 Fund: Class Z | FSZNX           |
| C000242515 | Class K                                                     | FSZQX           |
| C000242516 | Class K6                                                    | FSZRX           |
| C000242517 | Fidelity Sustainable Target Date 2055 Fund                  | FSZHX           |

## 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 2055 Fund

- **b. EDGAR series identifier (if any):** S000080301

- **c. LEI of Series:** 54930008AE8MPWUD6F48

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

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

- **b. Date as of which information is reported:** 2025-09-30

**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:** $10015952.52

**Total Liabilities:** $4143.53

**Net Assets:** $10011808.99

**Cash Not Reported:** $0.43

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000242515 | 0.44%                | 2.35%                | 3.59%                |
| Class ID C000242513 | 0.44%                | 2.35%                | 3.59%                |
| Class ID C000242509 | 0.44%                | 2.28%                | 3.60%                |
| Class ID C000242511 | 0.37%                | 2.23%                | 3.49%                |
| Class ID C000242510 | 0.37%                | 2.29%                | 3.54%                |
| Class ID C000242517 | 0.44%                | 2.36%                | 3.60%                |
| Class ID C000242516 | 0.44%                | 2.35%                | 3.66%                |
| Class ID C000242512 | 0.44%                | 2.35%                | 3.59%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $2779.28                 | $36420.83                                  |
| Month 2  | $738.40                  | $209278.82                                 |
| Month 3  | $1355.29                 | $344507.53                                 |

### 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 5+ YEAR INFLATION-PROTECTED BOND INDEX FUND | CUSIP: 31635T658<br>LEI: S4W85DGKOEJ24DPRB829 | Long             | EC               | RF                | US        |       125 | NS      | $978.46       | 0.01%             |  |  |  | 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        |    204969 | NS      | $2832675.97   | 28.29%            |  |  |  | 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        |    323206 | NS      | $5151898.57   | 51.46%            |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Investment Trust      | Fidelity Series Sustainable Emerging Markets Fund           | CUSIP: 31618Q754<br>LEI: MXNTE4GH7BW81YELH558 | Long             | EC               | RF                | US        |     88675 | NS      | $1258295.34   | 12.57%            |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Salem Street Trust    | Fidelity Series Long-Term Treasury Bond Index Fund          | CUSIP: 31635V620<br>LEI: S4W85DGKOEJ24DPRB829 | Long             | EC               | RF                | US        |    115617 | NS      | $631270.94    | 6.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Hereford Street Trust | Fidelity Series Treasury Bill Index Fund                    | CUSIP: 31617H854<br>LEI: 549300KQI5JTFSYJTM18 | Long             | EC               | RF                | US        |     13918 | NS      | $138479.73    | 1.38%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-10-30

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

**Signature:** Laura M. Del Prato

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

**Title:** President and Treasurer