Defined Benefit (Pension) · DOL Form 5500 · 2024

Westlake Management Services, Inc. Pension Plan

Data updated 2026-08-25

$417M
Total assets Above avg plan size
981
Participants Near avg headcount
97th
Percentile by assets National rank
$425,360
Avg per participant High balance/head
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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.

  • #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.

#16,858
in Manufacturing (17,777 peers)
-2.2%
assets change YoY
4.2×
vs typical plan assets (national mean)

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.

Westlake Defined Benefit Plan's outsized position by total assets

Westlake Defined Benefit Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$417,277,982 Top 3% higher than 97% of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Westlake Defined Benefit Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Westlake Defined Benefit Plan sits mid-pack in the medium band (981 participants).

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 →

Published 5500 schedule card

Filing strip 760321065 · Westlake Management Services, Inc. PY 2024 · Defined Benefit (Pension)

Westlake Defined Benefit Plan · $417M · 981 · 97th

  • ASSETS $417M
  • PCT 981
  • EIN 97th
  • RANK Defined Benefit (Pension)
  • PHOTO near Bae Space & Mission Systems Pension Plan
  • IND ind #16858

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Manufacturing retirement plans → · Plans in Texas →

Westlake Defined Benefit Plan in the asset neighbourhood

Bss Retirement Plan$418MSyensqo USA Pension Plan$418MResilient Floor Covering Pension FundResilient Floor Covering Pen…$418MWestlake Defined Benefit Plan$417MBae Space & Mission Systems Pension PlanBae Space & Mission Systems …$417M
End-of-year total assets ($M) among Westlake Defined Benefit Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2024.

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.)

Sponsor-wide plan assets over time

All Westlake Management Services, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$2.4B 29.431467805450534% vs 2022
2024 filing year
$1.8B$2B$2.2B$2.4B$2.6B 202220232024 $1.89B $2.44B ▲ +29.1%
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 Scatter plot of 6 data points. -50000050000100000150000 -100102030 Total assets ($B) Participants Westlake Defined Benefit Plan, Total assets ($B): 0.417277982 · Participants: 981Westlake Defined Benefit PlanAT&T Pension Benefit Plan, Total assets ($B): 28.265893 · Participants: 100400AT&T Pension Benefit PlanExxonmobil Pension Plan, Total assets ($B): 12.095 · Participants: 22000Exxonmobil Pension PlanChevron Retirement Plan, Total assets ($B): 9.731784707 · Participants: 21297Chevron Retirement PlanShell Pension Plan, Total assets ($B): 9.694184685 · Participants: 12688Shell Pension PlanCaterpillar Inc. Retirement Income Plan, Total assets ($B): 9.1940497 · Participants: 11498Caterpillar Inc. Retirement Income Plan
Westlake Defined Benefit Plan vs. nearby Defined Benefit (Pension) plans in Texas, assets vs. participants
Compare Westlake Defined Benefit Plan side-by-side with 3 peers →

Westlake Defined Benefit Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Texas, the nearest Defined Benefit (Pension) by assets is Bae Space & Mission Systems Pension Plan in VA ($417M); by covered participants it is Mcasf Local 725 Pension Plan in FL (982 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($417M here).

Similar participant headcount

Nearest other-state filings by covered participants (981 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

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).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Westlake Defined Benefit Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Mcasf Local 725 Pension Plan in FL (982 participants, $235M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 760321065.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.