# EDGAR Filing Document

**Accession Number:** 0000355437
**File Stem:** 0001752724-25-158804
**Filing Date:** 2025-6
**Character Count:** 6240
**Document Hash:** 1a37fdd59ccaddcb146d7868ba3a8232
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-158804.hdr.sgml**: 20250626

**ACCESSION NUMBER**: 0001752724-25-158804

**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:** 251078226

**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

### DIMENSIONAL 2015 TARGET DATE RETIREMENT INCOME FUND (Series ID: S000050935)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000160535 | 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:** DIMENSIONAL 2015 TARGET DATE RETIREMENT INCOME FUND

- **b. EDGAR series identifier (if any):** S000050935

- **c. LEI of Series:** 549300JZ68REMMSYF285

**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:** $24081982.56

**Total Liabilities:** $24690.67

**Net Assets:** $24057291.89

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000160535 | 1.54%                | -0.39%               | 0.09%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $128396.99               | $263403.60                                 |
| Month 2  | $8580.75                 | $-203974.02                                |
| Month 3  | $65761.64                | $-52325.72                                 |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| DFA Large Cap International Portfolio        | DFA Large Cap International Portfolio        | CUSIP: 233203868<br>LEI: 549300YQLH5F7D7ZFY39 | Long             | EC               | RF                | US        |     26908 | NS      | $800243.35    | 3.33%             |  |  |  | No            |                  1 | On Loan: No      |
| DFA US Large Company Portfolio               | DFA U.S. Large Company Portfolio             | CUSIP: 25434D823<br>LEI: 549300FK54SMFUX28R78 | Long             | EC               | RF                | US        |     56048 | NS      | $2070987.16   | 8.61%             |  |  |  | No            |                  1 | On Loan: No      |
| International Core Equity 2 Portfolio        | International Core Equity 2 Portfolio        | CUSIP: 233203371<br>LEI: 5493006PNAH8EX4MI695 | Long             | EC               | RF                | US        |     23370 | NS      | $401261.78    | 1.67%             |  |  |  | No            |                  1 | On Loan: No      |
| DFA US Core Equity 1 Portfolio               | DFA U.S. Core Equity 1 Portfolio             | CUSIP: 233203413<br>LEI: 549300HFCYX77UDJN369 | Long             | EC               | RF                | US        |     50676 | NS      | $2061483.69   | 8.57%             |  |  |  | No            |                  1 | On Loan: No      |
| DFA Inflation Protected Securities Portfolio | DFA Inflation-Protected Securities Portfolio | CUSIP: 233203355<br>LEI: 549300TG645KDIW1X492 | Long             | EC               | RF                | US        |   1604039 | NS      | $17981271.82  | 74.74%            |  |  |  | No            |                  1 | On Loan: No      |
| Emerging Markets Core Equity 2 Portfolio     | Emerging Markets Core Equity 2 Portfolio     | CUSIP: 233203421<br>LEI: 549300JF8HO6EL9ROR31 | Long             | EC               | RF                | US        |     21312 | NS      | $503823.95    | 2.09%             |  |  |  | No            |                  1 | On Loan: No      |
| DFA LTIP Portfolio                           | DFA LTIP Portfolio                           | CUSIP: 25239Y873<br>LEI: 5493002LL7DG39YNJG30 | Long             | EC               | RF                | US        |     46507 | NS      | $252535.13    | 1.05%             |  |  |  | No            |                  1 | 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