# EDGAR Filing Document

**Accession Number:** 0000351601
**File Stem:** 0001752724-25-147383
**Filing Date:** 2025-6
**Character Count:** 8600
**Document Hash:** fbd31e6871604b1666b7a78b3e9f709d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-147383.hdr.sgml**: 20250618

**ACCESSION NUMBER**: 0001752724-25-147383

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250430

**FILED AS OF DATE**: 20250618

**DATE AS OF CHANGE**: 20250618

**PERIOD START**: 20251031

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RUSSELL INVESTMENT CO
- **CENTRAL INDEX KEY:** 0000351601

**ORGANIZATION NAME:**
- **EIN:** 911151059
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-03153
- **FILM NUMBER:** 251055197

**BUSINESS ADDRESS:**
- **STREET 1:** 1301 SECOND AVENUE
- **STREET 2:** 18TH FLOOR
- **CITY:** SEATTLE
- **STATE:** WA
- **ZIP:** 98101
- **BUSINESS PHONE:** 800-787-7354

**MAIL ADDRESS:**
- **STREET 1:** 1301 SECOND AVENUE
- **STREET 2:** 18TH FLOOR
- **CITY:** SEATTLE
- **STATE:** WA
- **ZIP:** 98101

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** RUSSELL FRANK INVESTMENT CO
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Balanced Strategy Fund (Series ID: S000001576)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000004255 | Class A      | RBLAX           |
| C000004256 | Class C      | RBLCX           |
| C000004258 | Class S      | RBLSX           |
| C000027576 | Class R1     | RBLRX           |
| C000137233 | Class R5     | RBLVX           |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** RUSSELL INVESTMENT CO

- **b. Investment Company Act file number:** 811-03153

- **c. CIK number of Registrant:** 0000351601

- **d. LEI of Registrant:** 549300J63VJ9OS4TCK93

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 1301 SECOND AVENUE

  - **City:** SEATTLE

  - **State:** WA

  - **Foreign country:** US

  - **Zip / Postal Code:** 98101

  - **Telephone number:** 800-787-7354

**Item A.2. Information about the Series.**

- **a. Name of Series:** Balanced Strategy Fund

- **b. EDGAR series identifier (if any):** S000001576

- **c. LEI of Series:** 5O7LPB1C1XY5TOQVPO57

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

- **a. Date of fiscal year-end:** 2025-10-31

- **b. Date as of which information is reported:** 2025-04-30

**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:** $590651140.18

**Total Liabilities:** $405292.10

**Net Assets:** $590245848.08

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000027576 | 0.27%                | -2.39%               | 0.26%                |
| Class ID C000004258 | 0.27%                | -2.40%               | 0.25%                |
| Class ID C000137233 | 0.18%                | -2.36%               | 0.11%                |
| Class ID C000004256 | 0.19%                | -2.39%               | 0.07%                |
| Class ID C000004255 | 0.18%                | -2.36%               | 0.24%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $217433.54               | $1012432.45                                |
| Month 2  | $1816734.02              | $-16782879.42                              |
| Month 3  | $103615.68               | $-202359.00                                |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Long Duration Bond Fund               | Long Duration Bond Fund               | CUSIP: 78250F398<br>LEI: 549300VRXC77M7KZRU37 | Long             | EC               | RF                | US        |   3676804 | NS      | $29193826.67  | 4.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Multifactor International Equity Fund | Multifactor International Equity Fund | CUSIP: 78249R289<br>LEI: 5493004SX31W5EXJ2590 | Long             | EC               | RF                | US        |   1077161 | NS      | $11988803.54  | 2.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Russell U.S. Strategic Equity Fund    | U.S. Strategic Equity Fund            | CUSIP: 78250K611<br>LEI: BRBLDEE3W4XF96JMJI77 | Long             | EC               | RF                | US        |    961400 | NS      | $14863247.05  | 2.52%             |  |  |  | No            |                  1 | On Loan: No      |
| Opportunistic Credit Fund             | Opportunistic Credit Fund             | CUSIP: 782494181<br>LEI: QMX8CVY41B3G014K7N60 | Long             | EC               | RF                | US        |   2048769 | NS      | $17373560.20  | 2.94%             |  |  |  | No            |                  1 | On Loan: No      |
| Multifactor U.S. Equity Fund          | Multifactor U.S. Equity Fund          | CUSIP: 78249R347<br>LEI: 549300PPT7741EJKD754 | Long             | EC               | RF                | US        |   6192845 | NS      | $89300829.56  | 15.13%            |  |  |  | No            |                  1 | On Loan: No      |
| Emerging Markets Fund                 | Emerging Markets Fund                 | CUSIP: 782494439<br>LEI: TUWQFBBWGP866F5SFO52 | Long             | EC               | RF                | US        |   1253914 | NS      | $20940363.42  | 3.55%             |  |  |  | No            |                  1 | On Loan: No      |
| U.S. Small Cap Equity Fund            | U.S. Small Cap Equity Fund            | CUSIP: 782493266<br>LEI: Z3PZWNK5SYVMTLL03992 | Long             | EC               | RF                | US        |    794195 | NS      | $17813799.28  | 3.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Strategic Bond Fund                   | Strategic Bond Fund                   | CUSIP: 782493159<br>LEI: XI1M1CDVRC8YNT0B5804 | Long             | EC               | RF                | US        |   4492634 | NS      | $40568481.27  | 6.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Investment Grade Bond Fund            | Investment Grade Bond Fund            | CUSIP: 782493175<br>LEI: 6XE31ODZPBO0SIDX5S75 | Long             | EC               | RF                | US        |   5679615 | NS      | $104220939.87 | 17.66%            |  |  |  | No            |                  1 | On Loan: No      |
| Global Equity Fund                    | Global Equity Fund                    | CUSIP: 782494447<br>LEI: VTHOU527SFHXM6LQY641 | Long             | EC               | RF                | US        |  17558013 | NS      | $173473173.22 | 29.39%            |  |  |  | No            |                  1 | On Loan: No      |
| Global Infrastructure Fund            | Global Infrastructure Fund            | CUSIP: 782494249<br>LEI: YLLCHFXPBQ1D4DCY1U29 | Long             | EC               | RF                | US        |   1192914 | NS      | $11833707.47  | 2.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Global Real Estate Securities Fund    | Global Real Estate Securities Fund    | CUSIP: 782478713<br>LEI: 12EWS3SG92VUE6HTB591 | Long             | EC               | RF                | US        |    407029 | NS      | $11925941.55  | 2.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Multi-Strategy Income Fund            | Multi-Strategy Income Fund            | CUSIP: 78249R214<br>LEI: 549300A5DFWAE2ARUU44 | Long             | EC               | RF                | US        |   4927018 | NS      | $47102295.39  | 7.98%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-05-28

**Name of Applicant:** RUSSELL INVESTMENT CO

**Signature:** Kari Seabrands

**Name of Signer:** Kari Seabrands

**Title:** Treasurer, Principal Accounting Officer and Principal Financial Officer