# EDGAR Filing Document

**Accession Number:** 0000355437
**File Stem:** 0001410368-26-064997
**Filing Date:** 2026-6
**Character Count:** 4546
**Document Hash:** 689524b74eb3664f488c9aea2716411f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-26-064997.hdr.sgml**: 20260624

**ACCESSION NUMBER**: 0001410368-26-064997

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260430

**FILED AS OF DATE**: 20260624

**DATE AS OF CHANGE**: 20260624

**PERIOD START**: 20261031

**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:** 261114367

**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

### ASIA PACIFIC SMALL COMPANY PORTFOLIO (Series ID: S000000966)

| Class ID   | Class Name                                                 | Ticker Symbol   |
|:---|:---|:---|
| C000002717 | ASIA PACIFIC SMALL COMPANY PORTFOLIO - INSTITUTIONAL CLASS | DFRSX           |

## 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:** ASIA PACIFIC SMALL COMPANY PORTFOLIO

- **b. EDGAR series identifier (if any):** S000000966

- **c. LEI of Series:** 549300FNIGJNVOZWXH23

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

- **a. Date of fiscal year-end:** 2026-10-31

- **b. Date as of which information is reported:** 2026-04-30

**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:** $633306405.82

**Total Liabilities:** $439397035.33

**Net Assets:** $193909370.49

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000002717 | 1.96%                | -10.42%              | 7.10%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $0.00                    | $0.00                                      |
| Month 2  | $0.00                    | $0.00                                      |
| Month 3  | $0.00                    | $0.00                                      |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|:---|:---|
| Dimensional Holdings Inc. | DFA Short Term Investment Fund        | CUSIP: 000000000<br>LEI: N/A                  | Long             | STIV             | RF                | US        | 439348748 | NS      | $439348747.92 | 226.57%           |  |  |  | No            | N/A                | On Loan: No      |
| Dimensional Fund Advisors | THE ASIA PACIFIC SMALL COMPANY SERIES | CUSIP: 000000000<br>LEI: 549300CBGM4U9R4DEL16 | Long             | EC               | RF                | US        |   2697076 | NS      | $193946741.80 | 100.02%           |  |  |  | No            | N/A                | On Loan: No      |

### Signature

**Date Signed:** 2026-05-21

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

**Signature:** Randy Olson

**Name of Signer:** Randy Olson

**Title:** Vice President