401(k) · DOL Form 5500 · 2023
Arup US, Inc. 401(k) Plan
Data updated 2026-08-11
- $606M
- Total assets
- 1,445
- Participants
- 98th
- Percentile by assets
- $419,502
- Avg per participant
Official DOL plan name: Arup US Retirement Savings Plan · Sponsored by Arup US, Inc. · California · Professional & Technical Services
$606M in assets, 1,445 participants
Arup US, Inc.'s Arup US Retirement Savings Plan reported $606M in total assets and 1,445 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)
- #20,024 in Professional & Technical Services (20,321 peers)
Coverage in California
Arup US Retirement Savings Plan covers 1,445 participants in California, 2.3x the typical California plan (state average ~630 per filing). Assets: $606M.
- $606M
- total plan assets (2023 EOY)
- 1,445
- covered participants
- 98th
- percentile by assets (of 127,072 plans)
- $419,502
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- Arup US Retirement Savings Plan reported net income rose from -$103M in the plan year 2022 filing to $126M in the plan year 2023 filing.
- Arup US Retirement Savings Plan end-of-year assets rose from $480M in the plan year 2022 filing to $606M in the plan year 2023 filing.
- Arup US Retirement Savings Plan reported participants rose from 1,275 in the plan year 2022 filing to 1,445 in the plan year 2023 filing.
Participants vs California filers
In California, the average filing covers about 630 participants across 15,291 plans. Arup US Retirement Savings Plan reports 1,445 participants - 2.3x that state average ($606M EOY assets).
California filing particulars
| Total Assets (Beginning of Year) | $480M |
|---|---|
| Net Assets (End of Year) | $606M |
| Net Income | $126M |
| Employer EIN | 362711213 |
| Plan Effective Date | 2000-09-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Arup US, Inc.)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 1,275 | $480M |
| 2023 | 1 | 1,445 | $606M |
| 2024 | 1 | 1,487 | $723M |
Nearby 401(k) Plans in California
Peer 401(k) plans, same state, same plan type, ranked by total assets.
Arup US Retirement Savings Plan vs. nearby 401(k) plans in California, assets vs. participants
- Wells Fargo & Company 401(k) Plan $51.8B · 193,919
- Google LLC 401(k) Savings Plan $39.0B · 122,867
- Oracle Corporation 401(k) Savings and Investment Plan $26.3B · 63,105
- Intel 401(k) Savings Plan $22.2B · 59,863
- Apple 401(k) Plan $19.8B · 106,111
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Arup US Retirement Savings Plan by total assets, not by location.
- National Basketball Association Players' 401(k) Savings Plan (NJ) $606M · 506
- Constellis 401(k) Plan (VA) $607M · 11,011
- A. T. Kearney, Inc. 401(k) and Profit Sharing Retirement Plan (IL) $605M · 1,209
- Johnson Controls Select Hourly Retirement Savings and Investment Plan (WI) $605M · 8,052
Frequently Asked Questions
How did Arup US Retirement Savings Plan assets move in 2023? ▼
How have Arup US, Inc. plan assets changed over time? ▼
Where does Arup US Retirement Savings Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Arup US Retirement Savings Plan? ▼
Next read for Arup US Retirement Savings Plan
Filing takeaways
Ways to act on Arup US Retirement Savings Plan's numbers.
- By total assets, Arup US Retirement Savings 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 California. Compare plans
- Arup US, Inc.'s sponsor-wide assets have grown 50.5% since 2022 across 3 plan years on file. More Professional & Technical Services plans