401(k) · DOL Form 5500 · 2023
Westlake Management Services, Inc. 401(k) Plan
Data updated 2026-08-11
- $1.8B
- Total assets
- 10,546
- Participants
- 99th
- Percentile by assets
- $168,088
- Avg per participant
Official DOL plan name: Westlake Savings Plan · Sponsored by Westlake Management Services, Inc. · Texas · Manufacturing
$1.8B in assets, 10,546 participants
Westlake Management Services, Inc.'s Westlake Savings Plan reported $1.8B in total assets and 10,546 participants in its 2023 DOL Form 5500 filing, ranking in the 99th 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.
- 99th percentile by assets (of 127,072 plans)
- #18,443 in Manufacturing (18,722 peers)
Coverage in Texas
Westlake Savings Plan covers 10,546 participants in Texas, 15x the typical Texas plan (state average ~688 per filing). Assets: $1.8B.
- $1.8B
- total plan assets (2023 EOY)
- 10,546
- covered participants
- 99th
- percentile by assets (of 127,072 plans)
- $168,088
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- Westlake Savings Plan reported net income rose from -$237M in the plan year 2022 filing to $292M in the plan year 2023 filing.
- Westlake Savings Plan end-of-year assets rose from $1.5B in the plan year 2022 filing to $1.8B in the plan year 2023 filing.
- Westlake Savings Plan reported participants rose from 9,573 in the plan year 2022 filing to 10,546 in the plan year 2023 filing.
Participants vs Texas filers
In Texas, the average filing covers about 688 participants across 10,116 plans. Westlake Savings Plan reports 10,546 participants - 15x that state average ($1.8B EOY assets).
Texas filing particulars
| Total Assets (Beginning of Year) | $1.5B |
|---|---|
| Net Assets (End of Year) | $1.8B |
| Net Income | $292M |
| Employer EIN | 760321065 |
| Plan Effective Date | 1987-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Westlake Management Services, Inc.)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 2 | 10,778 | $1.9B |
| 2023 | 2 | 11,622 | $2.2B |
| 2024 | 2 | 11,688 | $2.4B |
Nearby 401(k) Plans in Texas
Peer 401(k) plans, same state, same plan type, ranked by total assets.
Westlake Savings Plan vs. nearby 401(k) plans in Texas, assets vs. participants
- AT&T Retirement Savings Plan $40.0B · 119,854
- Exxonmobil Savings Plan $21.9B · 23,477
- Caterpillar 401(k) Savings Plan $16.5B · 41,679
- American Airlines, Inc. 401(k) Plan $14.7B · 88,792
- Dell Inc. 401(k) Plan $13.5B · 45,686
Scale composition for Westlake Savings Plan
Westlake Savings Plan reports $1.8B in end-of-year assets across 10,546 participants (0.014% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.011% of 93,925,755 covered participants) - about $168,088 per participant (1.2x the national average assets-per-participant) . Net income for plan year 2023 was $292M.
This plan identity (EIN 760321065, plan #004) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.5B to $2.0B (+37.6%) while covered participants moved from 9,573 to 10,707 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 9,573 | $1.5B | Open filing |
| 2023 | 10,546 | $1.8B | This page |
| 2024 · index core | 10,707 | $2.0B | Open filing |
The same sponsor also keeps 2 other index-core plans on PlainRetire:
- Westlake Savings Plan (401(k), $2.0B, 10,707 participants)
- Westlake Defined Benefit Plan (Defined Benefit (Pension), $417M, 981 participants)
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Westlake Savings Plan by total assets, not by location.
- Holland and Knight Profit Sharing Plan & Trust (FL) $1.8B · 3,060
- Cadence Design Systems, Inc. 401(k) Plan (CA) $1.8B · 3,437
- John Deere Tax Deferred Savings Plan (IL) $1.8B · 13,538
- Woodward Retirement Savings Plan (CO) $1.8B · 5,847
Frequently Asked Questions
How did Westlake Savings Plan assets move in 2023? ▼
How have Westlake Management Services, Inc. plan assets changed over time? ▼
Where does Westlake Savings Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Westlake Savings Plan? ▼
Next read for Westlake Savings Plan
Filing takeaways
Ways to act on Westlake Savings Plan's numbers.
- By total assets, Westlake Savings Plan ranks among the largest 1% of all filed plans. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in Texas. Compare plans
- Westlake Management Services, Inc.'s sponsor-wide assets have grown 29.4% since 2022 across 3 plan years on file. More Manufacturing plans