Defined Benefit (Pension) · DOL Form 5500 · 2023

Westlake Management Services, Inc. Pension Plan

Data updated 2026-08-25

$427M
Total assets Above avg plan size
1,076
Participants Near avg headcount
97th
Percentile by assets National rank
$396,467
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

$427M in assets, 1,076 participants

Westlake Management Services, Inc.'s Westlake Defined Benefit Plan reported $427M in total assets and 1,076 participants in its 2023 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.

  • #17,842 in Manufacturing (18,722 peers)

Where Westlake Defined Benefit Plan sits by assets

Westlake Defined Benefit Plan sits in the top 5% of all filed plans by assets, $427M for 1,076 participants (~$396,467/participant), up 2.7% in 2023.

#17,842
in Manufacturing (18,722 peers)
+2.7%
assets growth YoY
4.3×
vs typical plan assets (national mean)

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 2023 · DOL Form 5500

$426,598,737 Top 3% higher than 97% of 127,068 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 2023

Westlake Defined Benefit Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Westlake Defined Benefit Plan lands in the large band (1,076 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Westlake Defined Benefit Plan reported net income rose from -$146M in the plan year 2022 filing to $11M in the plan year 2023 filing.
  • Westlake Defined Benefit Plan reported participants fell from 1,205 in the plan year 2022 filing to 1,076 in the plan year 2023 filing.
  • Westlake Defined Benefit Plan end-of-year assets rose from $415M in the plan year 2022 filing to $427M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 760321065 · Westlake Management Services, Inc. PY 2023 · Defined Benefit (Pension)

Westlake Defined Benefit Plan · $427M · 1,076 · 97th

  • TYPE $427M
  • TYPE 1,076
  • TYPE 97th
  • TYPE Defined Benefit (Pension)
  • TYPE near I.B.E.W. Local 38 Pension Plan
  • TYPE ind #17842

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

Pension Plan for Hourly Employees of the Cleveland-Cliffs Iron Company and Its Associated EmployersPension Plan for Hourly Empl…$427MI.B.E.W. Local 38 Pension PlanI.B.E.W. Local 38 Pension Pl…$427MWestlake Defined Benefit Plan$427MAllete & Affiliated Companies Retirement Plan CAllete & Affiliated Companie…$426MSwiss Re Group U.S. Employee's Pension PlanSwiss Re Group U.S. Employee…$425M
End-of-year total assets ($M) among Westlake Defined Benefit Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$415M
Net Assets (End of Year)$427M
Net Income$11M
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 -10010203040 Total assets ($B) Participants Westlake Defined Benefit Plan, Total assets ($B): 0.426598737 · Participants: 1076Westlake Defined Benefit PlanAT&T Pension Benefit Plan, Total assets ($B): 30.018512 · Participants: 107859AT&T Pension Benefit PlanShell Pension Plan, Total assets ($B): 15.133347097 · Participants: 12215Shell Pension PlanExxonmobil Pension Plan, Total assets ($B): 12.015 · Participants: 22551Exxonmobil Pension PlanCaterpillar Inc. Retirement Income Plan, Total assets ($B): 9.803014695 · Participants: 12138Caterpillar Inc. Retirement Income PlanBp Retirement Accumulation Plan, Total assets ($B): 5.493677099 · Participants: 9360Bp Retirement Accumulation 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 I.B.E.W. Local 38 Pension Plan in OH ($427M); by covered participants it is IBEW Local 701 Pension Fund in IL (1,074 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (1,076 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. 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 2023? ▼
Westlake Defined Benefit Plan edged up modestly - up 2.7% during 2023, from $415M to $427M. Reported net income was $11M.
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 127,072 plans that reported assets for plan year 2023 (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 I.B.E.W. Local 38 Pension Plan in OH ($427M, 1,542 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 IBEW Local 701 Pension Fund in IL (1,074 participants, $487M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

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.