# EDGAR Filing Document

**Accession Number:** 0000880195
**File Stem:** 0000035402-26-003423
**Filing Date:** 2026-5
**Character Count:** 7638
**Document Hash:** c6cb1270775f1302ec7098fdc7dfe31a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000035402-26-003423.hdr.sgml**: 20260526

**ACCESSION NUMBER**: 0000035402-26-003423

**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:** 261017556

**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 2045 Fund (Series ID: S000080311)

| Class ID   | Class Name                                                  | Ticker Symbol   |
|:---|:---|:---|
| C000242599 | Class K6                                                    | FSYVX           |
| C000242600 | Class K                                                     | FSYUX           |
| C000242602 | Fidelity Advisor Sustainable Target Date 2045 Fund: Class Z | FSYSX           |
| C000242603 | Fidelity Sustainable Target Date 2045 Fund                  | FSYHX           |
| C000242604 | Fidelity Advisor Sustainable Target Date 2045 Fund: Class C | FSYOX           |
| C000242605 | Fidelity Advisor Sustainable Target Date 2045 Fund: Class M | FSYPX           |
| C000242606 | Fidelity Advisor Sustainable Target Date 2045 Fund: Class A | FSYLX           |
| C000242607 | Fidelity Advisor Sustainable Target Date 2045 Fund: Class I | FSYQX           |

## 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 2045 Fund

- **b. EDGAR series identifier (if any):** S000080311

- **c. LEI of Series:** 54930008A1VFP94WMN37

**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:** $14313478.36

**Total Liabilities:** $5726.68

**Net Assets:** $14307751.68

**Cash Not Reported:** $0.22

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000242599 | 3.06%                | 1.98%                | -6.21%               |
| Class ID C000242600 | 3.13%                | 1.91%                | -6.21%               |
| Class ID C000242602 | 3.13%                | 1.91%                | -6.21%               |
| Class ID C000242603 | 3.07%                | 1.99%                | -6.23%               |
| Class ID C000242604 | 2.95%                | 1.86%                | -6.27%               |
| Class ID C000242605 | 3.07%                | 1.86%                | -6.25%               |
| Class ID C000242606 | 3.08%                | 1.92%                | -6.25%               |
| Class ID C000242607 | 3.06%                | 1.98%                | -6.22%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-1067.02                | $400524.04                                 |
| Month 2  | $-1547.40                | $279671.95                                 |
| Month 3  | $-503.63                 | $-1004529.85                               |

### 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        |    160630 | NS      | $856156.71    | 5.98%             |  |  |  | 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        |      3736 | NS      | $31640.18     | 0.22%             |  |  |  | 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        |     17947 | NS      | $136037.73    | 0.95%             |  |  |  | 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        |    474967 | NS      | $7490230.27   | 52.35%            |  |  |  | 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        |    282605 | NS      | $3894292.66   | 27.22%            |  |  |  | No            |                  1 | On Loan: No      |
| Fidelity Investment Trust    | Fidelity Series Sustainable Emerging Markets Fund               | CUSIP: 31618Q754<br>LEI: MXNTE4GH7BW81YELH558 | Long             | EC               | RF                | US        |    122827 | NS      | $1832576.63   | 12.81%            |  |  |  | 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        |      7162 | NS      | $69538.36     | 0.49%             |  |  |  | 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