# EDGAR Filing Document

**Accession Number:** 0000355437
**File Stem:** 0001752724-25-158717
**Filing Date:** 2025-6
**Character Count:** 7338
**Document Hash:** a75d0d725a4ca8aa46a698a6b4af2579
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-158717.hdr.sgml**: 20250626

**ACCESSION NUMBER**: 0001752724-25-158717

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250430

**FILED AS OF DATE**: 20250626

**DATE AS OF CHANGE**: 20250626

**PERIOD START**: 20251031

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** DFA INVESTMENT DIMENSIONS GROUP INC
- **CENTRAL INDEX KEY:** 0000355437

**ORGANIZATION NAME:**
- **EIN:** 363129984
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-03258
- **FILM NUMBER:** 251078147

**BUSINESS ADDRESS:**
- **STREET 1:** 6300 BEE CAVE ROAD
- **STREET 2:** BUILDING ONE
- **CITY:** AUSTIN
- **STATE:** TX
- **ZIP:** 78746
- **BUSINESS PHONE:** (512) 306-7400

**MAIL ADDRESS:**
- **STREET 1:** 6300 BEE CAVE ROAD
- **STREET 2:** BUILDING ONE
- **CITY:** AUSTIN
- **STATE:** TX
- **ZIP:** 78746

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** DFA SMALL CO FUND INC
- **DATE OF NAME CHANGE:** 19830621

## Series and Classes Contracts Data

### DFA Diversified Fixed Income Portfolio (Series ID: S000054156)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000170210 | Institutional Class |  |

## Form NPORT-P: Monthly Portfolio Investments Report

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

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

- **a. Name of Registrant:** DFA INVESTMENT DIMENSIONS GROUP INC

- **b. Investment Company Act file number:** 811-03258

- **c. CIK number of Registrant:** 0000355437

- **d. LEI of Registrant:** 549300XGRTBJCE41BD26

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

  - **Street Address 1:** 6300 BEE CAVE ROAD

  - **City:** AUSTIN

  - **State:** TX

  - **Foreign country:** US

  - **Zip / Postal Code:** 78746

  - **Telephone number:** 512-306-7400

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

- **a. Name of Series:** DFA Diversified Fixed Income Portfolio

- **b. EDGAR series identifier (if any):** S000054156

- **c. LEI of Series:** 549300VV3QSNEWJBLF55

**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:** $1692195672.87

**Total Liabilities:** $229062.57

**Net Assets:** $1691966610.30

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000170210 | 1.31%                | 0.46%                | 0.86%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-1004422.48             | $23796270.37                               |
| Month 2  | $-1809047.82             | $744610.20                                 |
| Month 3  | $2255880.96              | $10542080.76                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| United States Treasury                             | U.S. Treasury Inflation-Indexed Notes                      | CUSIP: 91282CCM1<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  53666479 | PA      | $49244364.26  | 2.91%             | 2031-07-15      | Fixed         | 0.13%                 | No            |                  2 | On Loan: No      |
| United States Treasury                             | U.S. Treasury Inflation-Indexed Notes                      | CUSIP: 91282CJY8<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  83139377 | PA      | $82328593.05  | 4.87%             | 2034-01-15      | Fixed         | 1.75%                 | No            |                  2 | On Loan: No      |
| United States Treasury                             | U.S. Treasury Inflation-Indexed Bonds                      | CUSIP: 912810FQ6<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  73575750 | PA      | $81962836.22  | 4.84%             | 2032-04-15      | Fixed         | 3.38%                 | No            |                  2 | On Loan: No      |
| The DFA Investment Trust Company                   | DFA Investment Trust Co.                                   | CUSIP: 23320U405<br>LEI: 549300FSKWEXKF6YBM56 | Long             | EC               | RF                | US        |         1 | NS      | $11.57        | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| DFA Intermediate Government Fixed Income Portfolio | DFA Intermediate Government Fixed Income Portfolio         | CUSIP: 233203876<br>LEI: 5493002LBS0SC8B6NR25 | Long             | EC               | RF                | US        |  76332363 | NS      | $852632493.78 | 50.39%            |  |  |  | No            |                  1 | On Loan: No      |
| United States Treasury                             | U.S. Treasury Inflation-Indexed Notes                      | CUSIP: 91282CML2<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  32334596 | PA      | $32904087.51  | 1.94%             | 2035-01-15      | Fixed         | 2.13%                 | No            |                  2 | On Loan: No      |
| State Street Global Advisors                       | State Street Institutional US Government Money Market Fund | CUSIP: 857492706<br>LEI: 549300BZ5TGIFZUZDZ37 | Long             | STIV             | RF                | US        |   3281158 | NS      | $3281157.52   | 0.19%             |  |  |  | No            |                  1 | On Loan: No      |
| DFA Two-Year Global Fixed Income Portfolio         | DFA Two-Year Global Fixed Income Portfolio                 | CUSIP: 233203645<br>LEI: 549300PFM0BC0V0V1O39 | Long             | EC               | RF                | US        |  51378843 | NS      | $506595390.39 | 29.94%            |  |  |  | No            |                  1 | On Loan: No      |
| United States Treasury                             | U.S. Treasury Inflation-Indexed Notes                      | CUSIP: 91282CDX6<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  91129054 | PA      | $82267016.68  | 4.86%             | 2032-01-15      | Fixed         | 0.13%                 | No            |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2025-05-16

**Name of Applicant:** DFA INVESTMENT DIMENSIONS GROUP INC

**Signature:** Randy Olson

**Name of Signer:** Randy Olson

**Title:** Vice President