401(k) · DOL Form 5500 · 2023
Subaru of Indiana Automotive, Inc. 401(k) Plan
Data updated 2026-08-11
- $819M
- Total assets
- 5,489
- Participants
- 98th
- Percentile by assets
- $149,122
- Avg per participant
Official DOL plan name: Sia Retirement Plan · Sponsored by Subaru of Indiana Automotive, Inc. · Indiana · Manufacturing
$819M in assets, 5,489 participants
Subaru of Indiana Automotive, Inc.'s Sia Retirement Plan reported $819M in total assets and 5,489 participants in its 2023 DOL Form 5500 filing, ranking in the 98th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.
- 98th percentile by assets (of 127,072 plans)
- #18,174 in Manufacturing (18,722 peers)
Coverage in Indiana
Sia Retirement Plan covers 5,489 participants in Indiana, 10x the typical Indiana plan (state average ~541 per filing). Assets: $819M.
- $819M
- total plan assets (2023 EOY)
- 5,489
- covered participants
- 98th
- percentile by assets (of 127,072 plans)
- $149,122
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- Sia Retirement Plan reported net income rose from -$148M in the plan year 2022 filing to $124M in the plan year 2023 filing.
- Sia Retirement Plan end-of-year assets rose from $695M in the plan year 2022 filing to $819M in the plan year 2023 filing.
- Sia Retirement Plan reported participants rose from 5,409 in the plan year 2022 filing to 5,489 in the plan year 2023 filing.
Participants vs Indiana filers
In Indiana, the average filing covers about 541 participants across 2,302 plans. Sia Retirement Plan reports 5,489 participants - 10x that state average ($819M EOY assets).
Indiana filing particulars
| Total Assets (Beginning of Year) | $695M |
|---|---|
| Net Assets (End of Year) | $819M |
| Net Income | $124M |
| Employer EIN | 351709710 |
| Plan Effective Date | 1989-04-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Subaru of Indiana Automotive, Inc.)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 5,409 | $695M |
| 2023 | 1 | 5,489 | $819M |
| 2024 | 1 | 5,957 | $903M |
Nearby 401(k) Plans in Indiana
Peer 401(k) plans, same state, same plan type, ranked by total assets.
Sia Retirement Plan vs. nearby 401(k) plans in Indiana, assets vs. participants
- The Lilly Employee 401(k) Plan $11.1B · 17,583
- Elevance Health 401(k) Plan $11.0B · 76,590
- Cummins Retirement and Savings Plan $5.7B · 28,381
- Iu Health 401(k) Savings Plan $3.9B · 38,575
- Steel Dynamics, Inc. Profit Sharing and Retirement Savings Plan $2.6B · 9,015
Scale composition for Sia Retirement Plan
Sia Retirement Plan reports $819M in end-of-year assets across 5,489 participants (0.007% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.006% of 93,925,755 covered participants) - about $149,122 per participant (1.1x the national average assets-per-participant) . Net income for plan year 2023 was $124M.
This plan identity (EIN 351709710, plan #004) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $695M to $903M (+29.9%) while covered participants moved from 5,409 to 5,957 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 5,409 | $695M | Open filing |
| 2023 | 5,489 | $819M | This page |
| 2024 · index core | 5,957 | $903M | Open filing |
The same sponsor also keeps 1 other index-core plan on PlainRetire:
- Sia Retirement Plan (401(k), $903M, 5,957 participants)
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Sia Retirement Plan by total assets, not by location.
- Flowers Foods, Inc. 401(k) Retirement Savings Plan (GA) $818M · 8,950
- Ansys, Inc. Employees' Retirement Program (PA) $820M · 2,309
- Seyfarth Shaw LLP 401(k) Savings and Retirement Plan (IL) $816M · 1,976
- IBEW Local No. 58 Annuity Fund (MI) $821M · 5,719
Frequently Asked Questions
How did Sia Retirement Plan assets move in 2023? ▼
How have Subaru of Indiana Automotive, Inc. plan assets changed over time? ▼
Where does Sia Retirement Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Sia Retirement Plan? ▼
Next read for Sia Retirement Plan
Filing takeaways
Ways to act on Sia Retirement Plan's numbers.
- By total assets, Sia Retirement Plan ranks in the top 5% of all filed plans by assets. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in Indiana. Compare plans
- Subaru of Indiana Automotive, Inc.'s sponsor-wide assets have grown 29.9% since 2022 across 3 plan years on file. More Manufacturing plans