# U.S. MICRO CAP PORTFOLIO

U.S. MICRO CAP PORTFOLIO is a registered fund series of DFA INVESTMENT DIMENSIONS GROUP INC (series S000000948). Net assets $7.5B as of 2026-04-30.

## Profile

- Series ID: S000000948
- Registrant: DFA INVESTMENT DIMENSIONS GROUP INC
- LEI: 549300P68DFL06NNZ393
- Net assets: $7.5B
- Total assets: $8.5B
- As of: 2026-04-30

## Advisers

- [Dimensional Fund Advisors LP (Advisor)](https://search.stillhousedata.com/firm/106482)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| Dimensional Holdings Inc. | — | $533.4M | 713.97% |
| [The DFA Investment Trust Company](https://search.stillhousedata.com/security/23320U405) | — | $516.9M | 691.91% |
| [Argan Inc](https://search.stillhousedata.com/security/04010E109) | — | $80.9M | 108.22% |
| [State Street Global Advisors](https://search.stillhousedata.com/security/857492706) | — | $61.9M | 82.89% |
| [TTM Technologies Inc](https://search.stillhousedata.com/security/87305R109) | — | $53.7M | 71.85% |
| [Plexus Corp](https://search.stillhousedata.com/security/729132100) | — | $43.9M | 58.74% |
| [Powell Industries Inc](https://search.stillhousedata.com/security/739128106) | — | $41.5M | 55.56% |
| [First BanCorp/Puerto Rico](https://search.stillhousedata.com/security/318672706) | — | $32.3M | 43.26% |
| [Enova International Inc](https://search.stillhousedata.com/security/29357K103) | — | $30.8M | 41.17% |
| [Covista Inc](https://search.stillhousedata.com/security/00737L103) | — | $30.5M | 40.83% |
| [Viavi Solutions Inc](https://search.stillhousedata.com/security/925550105) | — | $29.9M | 40.06% |
| [AAR Corp](https://search.stillhousedata.com/security/000361105) | — | $28.4M | 37.98% |
| [Enpro Inc](https://search.stillhousedata.com/security/29355X107) | — | $27.2M | 36.41% |
| [Archrock Inc](https://search.stillhousedata.com/security/03957W106) | — | $26.0M | 34.86% |
| [Matson Inc](https://search.stillhousedata.com/security/57686G105) | — | $25.3M | 33.85% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $7.5B |
| 2026-01-31 | $7.0B |
| 2025-10-31 | $6.6B |
| 2025-07-31 | $6.5B |
| 2025-04-30 | $6.0B |
| 2025-01-31 | $7.4B |
| 2024-10-31 | $7.4B |
| 2024-07-31 | $7.7B |

## More

- [Registrant: DFA INVESTMENT DIMENSIONS GROUP INC](https://search.stillhousedata.com/registrant/355437)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000000948.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.