Dimensional Investment LLC 401(k) Review & Grade
Dimensional Fund Advisors Deferred Compensation and Profit Sharing Plan
Austin, TXFinance & Insurance1,266 active participantsPlan year 2024✓ Auto-enroll
Estimate from the plan's Form 5500 filing · How we grade
$10,168Employer $ per active participant
$16,639Employee $ saved per active participant
0.00%Direct admin cost, % of plan assets
$450.4MNet plan assets, end of year
$237,077Average balance per account
Score breakdown
- Employer generosity45.8 / 5092th percentile for employer $ per participant
- Low cost24.9 / 25100th percentile for low admin cost vs. same-size plans
- Employee saving14.0 / 1593th percentile for employee $ per participant
- Plan features10 / 10Auto-enrollment, Default investment
- Red-flag deductions-3 pts1 issue reported on the filing
Total score92 / 100 · Grade A
This plan vs. peers
Peers: Finance & Insurance plans with 500–2,499 active participants (754 plans).
| Measure | Percentile |
|---|---|
| Employer $ per participant | 92th |
| Lower admin cost | 100th |
| Employee saving | 93th |
| Peers that auto-enroll | 62% |
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Red flags from the filing
Corrective distributions: the plan refunded $31,717 in contributions, which usually means it failed annual nondiscrimination testing.
What to do if you're in this plan
- Dimensional Investment put in about $10,168 per active participant, more than the typical peer ($3,606). Contribute at least enough to collect the full match. Skipping it leaves part of your pay on the table.
- The filing shows total dollars, not the match formula. Ask HR for the Summary Plan Description so you know the exact match and vesting schedule.
- Fund expense ratios aren't in the filing. Look them up in your 404(a)(5) fee disclosure and favor low-cost index or target-date funds.
- The plan auto-enrolls employees. Check your default contribution rate. Defaults are often lower than what it takes to get the full match.
- Changing jobs? You can usually leave the money in the plan, move it to your new employer's plan, or roll it into an IRA. Don't cash out: you'd owe taxes and possibly a 10% penalty.
The raw numbers from the filing
| Employer contributions | $12,873,212 |
| Participant (employee) contributions | $21,065,156 |
| Other contributions (incl. rollovers in) | $3,852,709 |
| Administrative expenses paid from the plan | $4,950 |
| Benefits paid out | $23,070,818 |
| Net assets, start / end of year | $385.6M / $450.4M |
| Active participants, start / end of year | 1,306 / 1,226 |
| Participants with account balances | 1,900 |
| Auto-enrollment (feature code 2S) | Yes |
| Auditor | Pricewaterhousecoopers LLP |
Source: DOL EFAST2 Form 5500 filing, acknowledgment ID 20250922135123NAL0005731488001, received 2025-09-22, EIN 27-1346874, plan #001, plan year 2024-01-01 to 2024-12-31. Verify at efast.dol.gov.