# EDGAR Filing Document

**Accession Number:** 0000355437
**File Stem:** 0001752724-25-158603
**Filing Date:** 2025-6
**Character Count:** 14288
**Document Hash:** 1fee265633ac21df341fbcee34bbc2af
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-158603.hdr.sgml**: 20250626

**ACCESSION NUMBER**: 0001752724-25-158603

**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:** 251078019

**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 SHORT-TERM GOVERNMENT PORTFOLIO (Series ID: S000000984)

| Class ID   | Class Name                                                | Ticker Symbol   |
|:---|:---|:---|
| C000002735 | DFA SHORT-TERM GOVERNMENT PORTFOLIO - INSTITUTIONAL CLASS | DFFGX           |

## 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 SHORT-TERM GOVERNMENT PORTFOLIO

- **b. EDGAR series identifier (if any):** S000000984

- **c. LEI of Series:** 549300CLRE9XU5HJFR81

**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:** $1680406273.35

**Total Liabilities:** $309626.38

**Net Assets:** $1680096646.97

**Currency Risk Metrics (dv01):**

- 

**Credit Spread Risk - Investment Grade (dv01):**

- **3-Month:** -5917.71000000 | **1-Year:** 0.00000000 | **5-Year:** 0.00000000 | **10-Year:** 0.00000000 | **30-Year:** 0.00000000

**Credit Spread Risk - Non-Investment Grade (dv01):**

- **3-Month:** 0.00000000 | **1-Year:** 0.00000000 | **5-Year:** 0.00000000 | **10-Year:** 0.00000000 | **30-Year:** 0.00000000

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000002735 | 0.40%                | 0.28%                | 0.30%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $252.46                  | $-23989.05                                 |
| Month 2  | $0.00                    | $-408463.09                                |
| Month 3  | $0.00                    | $-162340.79                                |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| FED HOME LN DISCOUNT NT      | Federal Home Loan Bank Discount Notes                      | CUSIP: 313385FB7<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |  89000000 | PA      | $88979085.00  | 5.30%             | 2025-05-02      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| FED HOME LN DISCOUNT NT      | Federal Home Loan Bank Discount Notes                      | CUSIP: 313385FG6<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |  27000000 | PA      | $26977792.50  | 1.61%             | 2025-05-07      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury       | U.S. Treasury Bills                                        | CUSIP: 912797LB1<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  42575000 | PA      | $42505212.34  | 2.53%             | 2025-05-15      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| FED HOME LN DISCOUNT NT      | Federal Home Loan Bank Discount Notes                      | CUSIP: 313385JE7<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |  51000000 | PA      | $50548395.00  | 3.01%             | 2025-07-16      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury       | U.S. Treasury Floating Rate Notes                          | CUSIP: 91282CMX6<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  84000000 | PA      | $84022781.64  | 5.00%             | 2027-04-30      | Floating      | 4.41%                 | No            |                  2 | On Loan: No      |
| FED HOME LN DISCOUNT NT      | Federal Home Loan Bank Discount Notes                      | CUSIP: 313385HK5<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |  39300000 | PA      | $39035336.51  | 2.32%             | 2025-06-27      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury       | U.S. Treasury Floating Rate Notes                          | CUSIP: 91282CJD4<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        | 146700000 | PA      | $146750984.12 | 8.73%             | 2025-10-31      | Floating      | 4.42%                 | No            |                  2 | On Loan: No      |
| FED HOME LN DISCOUNT NT      | Federal Home Loan Bank Discount Notes                      | CUSIP: 313385FW1<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |  61625000 | PA      | $61472940.31  | 3.66%             | 2025-05-21      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury       | U.S. Treasury Floating Rate Notes                          | CUSIP: 91282CKM2<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  27475000 | PA      | $27479988.36  | 1.64%             | 2026-04-30      | Floating      | 4.40%                 | No            |                  2 | On Loan: No      |
| FED HOME LN DISCOUNT NT      | Federal Home Loan Bank Discount Notes                      | CUSIP: 313385GL4<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |  44825000 | PA      | $44642836.13  | 2.66%             | 2025-06-04      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury       | U.S. Treasury Bills                                        | CUSIP: 912797NN3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  55500000 | PA      | $55317845.12  | 3.29%             | 2025-05-29      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| FED HOME LN DISCOUNT NT      | Federal Home Loan Bank Discount Notes                      | CUSIP: 313385HA7<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |  77500000 | PA      | $77059068.40  | 4.59%             | 2025-06-18      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| FED HOME LN DISCOUNT NT      | Federal Home Loan Bank Discount Notes                      | CUSIP: 313385GT7<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |  84500000 | PA      | $84087921.39  | 5.00%             | 2025-06-11      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| FED HOME LN DISCOUNT NT      | Federal Home Loan Bank Discount Notes                      | CUSIP: 313385GD2<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |  56000000 | PA      | $55815760.00  | 3.32%             | 2025-05-28      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury       | U.S. Treasury Floating Rate Notes                          | CUSIP: 91282CLA7<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  51675000 | PA      | $51713557.82  | 3.08%             | 2026-07-31      | Floating      | 4.43%                 | No            |                  2 | On Loan: No      |
| FED HOME LN DISCOUNT NT      | Federal Home Loan Bank Discount Notes                      | CUSIP: 313385GF7<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |  17000000 | PA      | $16940075.00  | 1.01%             | 2025-05-30      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury       | U.S. Treasury Bills                                        | CUSIP: 912797PC5<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  57500000 | PA      | $57466426.33  | 3.42%             | 2025-05-06      | None          | 0.00%                 | 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        |  84956291 | NS      | $84956291.19  | 5.06%             |  |  |  | No            |                  1 | On Loan: No      |
| United States Treasury       | U.S. Treasury Floating Rate Notes                          | CUSIP: 91282CHS3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        | 147375000 | PA      | $147377623.28 | 8.77%             | 2025-07-31      | Floating      | 4.37%                 | No            |                  2 | On Loan: No      |
| United States Treasury       | U.S. Treasury Floating Rate Notes                          | CUSIP: 91282CJU6<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        | 148700000 | PA      | $148873443.68 | 8.86%             | 2026-01-31      | Floating      | 4.49%                 | No            |                  2 | On Loan: No      |
| FED HOME LN DISCOUNT NT      | Federal Home Loan Bank Discount Notes                      | CUSIP: 313385GV2<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |  58000000 | PA      | $57703684.38  | 3.43%             | 2025-06-13      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury       | U.S. Treasury Bills                                        | CUSIP: 912797NE3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  67250000 | PA      | $67195013.71  | 4.00%             | 2025-05-08      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury       | U.S. Treasury Bills                                        | CUSIP: 912797PK7<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  66700000 | PA      | $66496385.58  | 3.96%             | 2025-05-27      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| FED HOME LN DISCOUNT NT      | Federal Home Loan Bank Discount Notes                      | CUSIP: 313385FJ0<br>LEI: 2549001DPIFGXC1TOL40 | Long             | DBT              | USGSE             | US        |  34000000 | PA      | $33964045.00  | 2.02%             | 2025-05-09      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury       | U.S. Treasury Floating Rate Notes                          | CUSIP: 91282CLT6<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  11000000 | PA      | $11009895.71  | 0.66%             | 2026-10-31      | Floating      | 4.45%                 | No            |                  2 | On Loan: No      |
| United States Treasury       | U.S. Treasury Bills                                        | CUSIP: 912797PR2<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  52125000 | PA      | $51880656.77  | 3.09%             | 2025-06-10      | None          | 0.00%                 | 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