401(k) · DOL Form 5500 · 2023

Westat, Inc. 401(k) Plan

Data updated 2026-08-25

$689M
Total assets Above avg plan size
8,077
Participants Very large workforce
98th
Percentile by assets National rank
$85,317
Avg per participant Below avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Westat, Inc. Savings Plan · Sponsored by Westat, Inc. · Maryland · Professional & Technical Services

$689M in assets, 8,077 participants

Westat, Inc.'s Westat, Inc. Savings Plan reported $689M in total assets and 8,077 participants in its 2023 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.

  • #20,057 in Professional & Technical Services (20,321 peers)

Coverage in Maryland

Westat, Inc. Savings Plan covers 8,077 participants in Maryland, 8.7x the typical Maryland plan (state average ~929 per filing). Assets: $689M.

#20,057
in Professional & Technical Services (20,321 peers)
+13.5%
assets growth YoY
6.9×
vs typical plan assets (national mean)

Westat, Inc. Savings Plan's outsized position by total assets

Westat, Inc. Savings Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$689,103,262 Top 2% higher than 98% 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

Westat, Inc. Savings 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. Westat, Inc. Savings Plan lands in the large band (8,077 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Westat, Inc. Savings Plan reported net income rose from -$141M in the plan year 2022 filing to $82M in the plan year 2023 filing.
  • Westat, Inc. Savings Plan end-of-year assets rose from $607M in the plan year 2022 filing to $689M in the plan year 2023 filing.
  • Westat, Inc. Savings Plan reported participants fell from 8,099 in the plan year 2022 filing to 8,077 in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 840529566 · Westat, Inc. PY 2023 · 401(k)

Westat, Inc. Savings Plan · $689M · 8,077 · 98th

  • IND $689M
  • IND 8,077
  • IND 98th
  • IND 401(k)
  • IND near Athenahealth, Inc. 401(k) Plan
  • IND ind #20057

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 Professional & Technical Services retirement plans → · Plans in Maryland →

Westat, Inc. Savings Plan in the asset neighbourhood

Dsm North America Defined Contribution PlanDsm North America Defined Co…$691MFaegre Drinker Retirement Savings Plan 2Faegre Drinker Retirement Sa…$690MAthenahealth, Inc. 401(k) PlanAthenahealth, Inc. 401(k) Pl…$689MWestat, Inc. Savings Plan$689MBarnes & Noble 401(k) Plan$688M
End-of-year total assets ($M) among Westat, Inc. Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Maryland filing particulars

Total Assets (Beginning of Year)$607M
Net Assets (End of Year)$689M
Net Income$82M
Employer EIN840529566
Plan Effective Date1985-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Westat, Inc.)

Sponsor-wide plan assets over time

All Westat, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$1.2B 20.267486898049906% vs 2022
2024 filing year
$0.9B$1B$1.1B$1.2B 202220232024 $0.98B $1.18B ▲ +20.4%
Year Plans Participants Total Assets
2022 2 10,941 $978M
2023 2 11,123 $1.1B
2024 2 12,008 $1.2B

Nearby 401(k) Plans in Maryland

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

Westat, Inc. Savings Plan vs. nearby 401(k) plans in Maryland, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Westat, Inc. Savings Plan, Total assets ($B): 0.689103262 · Participants: 8077Westat, Inc. Savings PlanLockheed Martin Corporation Salaried Savings Plan, Total assets ($B): 47.273019756 · Participants: 91511Lockheed Martin Corporation Salaried Savings PlanMarriott Retirement Savings Plan, Total assets ($B): 10.20606962 · Participants: 96415Marriott Retirement Savings PlanT. Rowe Price U.S. Retirement Program, Total assets ($B): 4.357344903 · Participants: 6292T. Rowe Price U.S. Retirement ProgramNfl Player Second Career Savings Plan, Total assets ($B): 3.951576315 · Participants: 2767Nfl Player Second Career Savings PlanSodexo 401 (K) Employees' Retirement Savings Plan and Trust, Total assets ($B): 2.217483854 · Participants: 80121Sodexo 401 (K) Employees' Retirement Savings Plan and Trust
Westat, Inc. Savings Plan vs. nearby 401(k) plans in Maryland, assets vs. participants
Compare Westat, Inc. Savings Plan side-by-side with 3 peers →

Scale composition for Westat, Inc. Savings Plan

Westat, Inc. Savings Plan reports $689M in end-of-year assets across 8,077 participants (0.006% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.009% of 93,925,755 covered participants) - about $85,317 per participant (62% of the national average assets-per-participant) . Net income for plan year 2023 was $82M.

This plan identity (EIN 840529566, plan #006) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $607M to $757M (+24.7%) while covered participants moved from 8,099 to 8,841 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 8,099 $607M Open filing
2023 8,077 $689M This page
2024 · index core 8,841 $757M Open filing

The same sponsor also keeps 2 other index-core plans on PlainRetire:

Westat, Inc. Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Maryland, the nearest 401(k) by assets is Athenahealth, Inc. 401(k) Plan in MA ($689M); by covered participants it is Sonic Automotive, Inc. 401(k) Plan & Trust in NC (8,078 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($689M here).

Similar participant headcount

Nearest other-state filings by covered participants (8,077 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 Westat, Inc. Savings Plan assets move in 2023? ▼
Westat, Inc. Savings Plan grew at a solid clip - up 13.5% during 2023, from $607M to $689M. Reported net income was $82M.
How have Westat, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Westat, Inc.'s sponsor-wide assets grew 20.3%, from $978M to $1.2B.
Where does Westat, Inc. Savings Plan rank by assets among Form 5500 filers? ▼
Westat, Inc. Savings Plan ranks in the 98th 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 401(k) plans are similar in size to Westat, Inc. Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Athenahealth, Inc. 401(k) Plan in MA ($689M, 4,720 participants).
Which 401(k) plans cover a similar participant headcount to Westat, Inc. Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Sonic Automotive, Inc. 401(k) Plan & Trust in NC (8,078 participants, $491M 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 840529566.

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.