Defined Benefit (Pension) · DOL Form 5500 · 2024

Westlake Management Services, Inc. Pension Plan

Data updated 2026-08-11

$417M
Total assets
981
Participants
97th
Percentile by assets
$425,360
Avg per participant
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Official DOL plan name: Westlake Defined Benefit Plan · Sponsored by Westlake Management Services, Inc. · Texas · Manufacturing

$417M in assets, 981 participants

Westlake Management Services, Inc.'s Westlake Defined Benefit Plan reported $417M in total assets and 981 participants in its 2024 DOL Form 5500 filing, ranking in the 97th 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.

  • 97th percentile by assets (of 123,622 plans)
  • #16,858 in Manufacturing (17,777 peers)

Where Westlake Defined Benefit Plan sits by assets

Westlake Defined Benefit Plan sits in the top 5% of all filed plans by assets, $417M for 981 participants (~$425,360/participant), down 2.2% in 2024.

$417M
total plan assets (2024 EOY)
981
covered participants
97th
percentile by assets (of 123,622 plans)
$425,360
avg assets per participant

The plan reported a net loss of $9M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Westlake Defined Benefit Plan reported net income fell from $11M in the plan year 2023 filing to -$9M in the plan year 2024 filing.
  • Westlake Defined Benefit Plan reported participants fell from 1,076 in the plan year 2023 filing to 981 in the plan year 2024 filing.
  • Westlake Defined Benefit Plan end-of-year assets fell from $427M in the plan year 2023 filing to $417M in the plan year 2024 filing.

See the national 2023→2024 release diff →

State
Industry

Westlake Defined Benefit Plan vs the 2024 asset distribution

By assets, Westlake Defined Benefit Plan outranks 97% of the 123,622 plans that filed a Form 5500 for the 2024 plan year, and holds roughly 4.2x the national average plan size of $100M (721 average participants).

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$427M
Net Assets (End of Year)$417M
Net Income-$9M
Employer EIN760321065
Plan Effective Date1990-03-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Westlake Management Services, Inc.)

$1.8B$2B$2.2B$2.4B$2.6B 202220232024 $1.89B $2.44B ▲ +29.1%
Total plan assets by year, all Westlake Management Services, Inc. plans on file
Year Plans Participants Total Assets
2022 2 10,778 $1.9B
2023 2 11,622 $2.2B
2024 2 11,688 $2.4B

Nearby Defined Benefit (Pension) Plans in Texas

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Westlake Defined Benefit Plan vs. nearby Defined Benefit (Pension) plans in Texas, assets vs. participants

Westlake Defined Benefit Plan vs. nearby Defined Benefit (Pension) plans in Texas, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -100102030 Total assets ($B) Participants Westlake Defined Ben…AT&T Pension Benefit…Exxonmobil Pension P…Chevron Retirement P…Shell Pension PlanCaterpillar Inc. Ret…
Westlake Defined Benefit Plan vs. nearby Defined Benefit (Pension) plans in Texas, assets vs. participants

Similar-Sized Defined Benefit (Pension) Plans Nationally

Defined Benefit (Pension) plans in other states closest to Westlake Defined Benefit Plan by total assets, not by location.

Frequently Asked Questions

How did Westlake Defined Benefit Plan assets move in 2024?
Westlake Defined Benefit Plan edged down modestly - down 2.2% during 2024, from $427M to $417M. Reported net income was -$9M.
How have Westlake Management Services, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Westlake Management Services, Inc.'s sponsor-wide assets grew 29.4%, from $1.9B to $2.4B.
Where does Westlake Defined Benefit Plan rank by assets among Form 5500 filers?
Westlake Defined Benefit Plan ranks in the 97th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Westlake Defined Benefit Plan?
Among Defined Benefit (Pension) plans in other states, the closest by assets is Bae Space & Mission Systems Pension Plan in VA ($417M, 4,279 participants).

Next read for Westlake Defined Benefit Plan

Scale reading

Ways to act on Westlake Defined Benefit Plan's numbers.

  • By total assets, Westlake Defined Benefit Plan ranks in the top 5% of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar Defined Benefit (Pension) 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