401(k) · DOL Form 5500 · 2022

Westlake Services Holding Company 401(k) Plan

Data updated 2026-08-25

$506M
Total assets Above avg plan size
1,810
Participants Near avg headcount
98th
Percentile by assets National rank
$279,628
Avg per participant High balance/head
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Official DOL plan name: Westlake Services Holding Company Employee Stock Ownership Plan · Sponsored by Westlake Services Holding Company · California · Management of Enterprises

$506M in assets, 1,810 participants

Westlake Services Holding Company's Westlake Services Holding Company Employee Stock Ownership Plan reported $506M in total assets and 1,810 participants in its 2022 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.

  • #1,099 in Management of Enterprises (1,193 peers)

Coverage in California

Westlake Services Holding Company Employee Stock Ownership Plan covers 1,810 participants in California, 2.9x the typical California plan (state average ~630 per filing). Assets: $506M.

#1,099
in Management of Enterprises (1,193 peers)
-4.7%
assets change YoY
5.1×
vs typical plan assets (national mean)

The plan reported a net loss of $25M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Westlake Services Holding Company Employee Stock Ownership Plan's outsized position by total assets

Westlake Services Holding Company Employee Stock Ownership Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$506,127,136 Top 2% higher than 98% of 139,123 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 2022

Westlake Services Holding Company Employee Stock Ownership Plan's large-plan peer group by participant headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Westlake Services Holding Company Employee Stock Ownership Plan lands in the large band (1,810 participants).

Form 5500 schedule snapshot

Filing strip 611636987 · Westlake Services Holding Company PY 2022 · 401(k)

Westlake Services Holding Company Employee Stock Ownership Plan · $506M · 1,810 · 98th

  • ASSETS $506M
  • ASSETS 1,810
  • ASSETS 98th
  • ASSETS 401(k)
  • ASSETS near International Flavors & Fragrances Inc. Retirement Investment Fund Plan
  • ASSETS ind #1099

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 Management of Enterprises retirement plans → · Plans in California →

Westlake Services Holding Company Employee Stock Ownership Plan in the asset neighbourhood

Chesapeake Energy Corporation Savings and Incentive Stock Bonus PlanChesapeake Energy Corporatio…$507MWaupaca Foundry, Inc. Consolidated Retirement PlanWaupaca Foundry, Inc. Consol…$506MWestlake Services Holding Company Employee Stock Ownership PlanWestlake Services Holding Co…$506MInternational Flavors & Fragrances Inc. Retirement Investment Fund PlanInternational Flavors & Frag…$506MWoodforest Financial Group, Inc. Employee Stock Ownership PlanWoodforest Financial Group, …$506M
End-of-year total assets ($M) among Westlake Services Holding Company Employee Stock Ownership Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

California filing particulars

Total Assets (Beginning of Year)$531M
Net Assets (End of Year)$506M
Net Income-$25M
Employer EIN611636987
Plan Effective Date2001-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Westlake Services Holding Company)

Sponsor-wide plan assets over time

All Westlake Services Holding Company plans reported in each filing year

Latest sponsor-wide plan assets
$507M 0.22813813326144203% vs 2022
2024 filing year
$490M$495M$500M$505M$510M 202220232024 $506M $507M ▲ +0.2%
Year Plans Participants Total Assets
2022 1 1,810 $506M
2023 1 1,928 $494M
2024 1 1,772 $507M

Nearby 401(k) Plans in California

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Westlake Services Holding Company Employee Stock Ownership Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -1001020304050 Total assets ($B) Participants Westlake Services Holding Company Employee Stock Ownership Plan, Total assets ($B): 0.506127136 · Participants: 1810Westlake Services Holding Company Employee Stock Ownership PlanWells Fargo & Company 401(k) Plan, Total assets ($B): 45.765616608 · Participants: 205865Wells Fargo & Company 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 28.89820221 · Participants: 102963Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 21.851716605 · Participants: 46320Oracle Corporation 401(k) Savings and Investment PlanChevron Employee Savings Investment Plan, Total assets ($B): 18.60989746 · Participants: 19946Chevron Employee Savings Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 18.361585903 · Participants: 54672Intel 401(k) Savings Plan
Westlake Services Holding Company Employee Stock Ownership Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Westlake Services Holding Company Employee Stock Ownership Plan side-by-side with 3 peers →

Westlake Services Holding Company Employee Stock Ownership Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is International Flavors & Fragrances Inc. Retirement Investment Fund Plan in NY ($506M); by covered participants it is Beacon Retirement Savings 401(a) Plan in IN (1,810 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (1,810 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Westlake Services Holding Company Employee Stock Ownership Plan assets move in 2022? ▼
Westlake Services Holding Company Employee Stock Ownership Plan edged down modestly - down 4.7% during 2022, from $531M to $506M. Reported net income was -$25M.
How have Westlake Services Holding Company plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Westlake Services Holding Company's sponsor-wide assets grew 0.2%, from $506M to $507M.
Where does Westlake Services Holding Company Employee Stock Ownership Plan rank by assets among Form 5500 filers? ▼
Westlake Services Holding Company Employee Stock Ownership Plan ranks in the 98th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Westlake Services Holding Company Employee Stock Ownership Plan? ▼
Among 401(k) plans in other states, the closest by assets is International Flavors & Fragrances Inc. Retirement Investment Fund Plan in NY ($506M, 1,917 participants).
Which 401(k) plans cover a similar participant headcount to Westlake Services Holding Company Employee Stock Ownership Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Beacon Retirement Savings 401(a) Plan in IN (1,810 participants, $50M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 611636987.

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.