401(k) · DOL Form 5500 · 2024

Williamsmarston LLC 401(k) Plan

Data updated 2026-08-25

$25M
Total assets Below avg plan size
193
Participants Below avg headcount
74th
Percentile by assets National rank
$130,624
Avg per participant Near avg balance/head
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Official DOL plan name: Williamsmarston LLC Retirement Plan · Sponsored by Williamsmarston LLC · Massachusetts · Professional & Technical Services

$25M in assets, 193 participants

Williamsmarston LLC's Williamsmarston LLC Retirement Plan reported $25M in total assets and 193 participants in its 2024 DOL Form 5500 filing, ranking in the 74th 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.

  • #14,993 in Professional & Technical Services (20,173 peers)

Coverage in Massachusetts

Williamsmarston LLC Retirement Plan covers 193 participants in Massachusetts, about 29% of the average Massachusetts filer (state average ~659 per filing). Assets: $25M.

#14,993
in Professional & Technical Services (20,173 peers)
+23.9%
assets growth YoY

Williamsmarston LLC Retirement Plan's outsized position by total assets

Williamsmarston LLC Retirement Plan vs every filed plan by assets

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

$25,210,472 Top 26% higher than 74% 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

Williamsmarston LLC Retirement 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. Williamsmarston LLC Retirement Plan sits mid-pack in the medium band (193 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Williamsmarston LLC Retirement Plan reported participants fell from 278 in the plan year 2023 filing to 193 in the plan year 2024 filing.
  • Williamsmarston LLC Retirement Plan end-of-year assets rose from $20M in the plan year 2023 filing to $25M in the plan year 2024 filing.
  • Williamsmarston LLC Retirement Plan reported net income fell from $6M in the plan year 2023 filing to $5M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 464311251 · Williamsmarston LLC PY 2024 · 401(k)

Williamsmarston LLC Retirement Plan · $25M · 193 · 74th

  • PART $25M
  • TYPE 193
  • NET 74th
  • BOOK 401(k)
  • VS-ST near Allied Pilots Association 401(k) Retirement Savings Plan
  • BOY ind #14993

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 Massachusetts →

Williamsmarston LLC Retirement Plan in the asset neighbourhood

Williamsmarston LLC Retirement PlanWilliamsmarston LLC Retireme…$25MAllied Pilots Association 401(k) Retirement Savings PlanAllied Pilots Association 40…$25MSwiss Steel USA, Inc. 401(k) PlanSwiss Steel USA, Inc. 401(k)…$25MDgoc Employee Retirement Plan$25MPortfolio 401(k) Plan$25M
End-of-year total assets ($M) among Williamsmarston LLC Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Massachusetts filing particulars

Total Assets (Beginning of Year)$20M
Net Assets (End of Year)$25M
Net Income$5M
Employer EIN464311251
Plan Effective Date2014-08-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Williamsmarston LLC)

Sponsor-wide plan assets over time

All Williamsmarston LLC plans reported in each filing year

Latest sponsor-wide plan assets
$25M 141.28314674037932% vs 2022
2024 filing year
$5M$10M$15M$20M$25M$30M 202220232024 $10.5M $25.2M ▲ +141.2%
Year Plans Participants Total Assets
2022 1 133 $10M
2023 1 278 $20M
2024 1 193 $25M

Nearby 401(k) Plans in Massachusetts

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

Williamsmarston LLC Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Williamsmarston LLC Retirement Plan, Total assets ($B): 0.025210472 · Participants: 193Williamsmarston LLC Retirement PlanFidelity Retirement Savings Plan, Total assets ($B): 34.201609937 · Participants: 66907Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 11.352606499 · Participants: 34618Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 7.720373045 · Participants: 14762Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 6.775289067 · Participants: 20639Boston Scientific Corporation 401(k) Retirement Savings PlanState Street Salary Savings Program, Total assets ($B): 6.532301643 · Participants: 12777State Street Salary Savings Program
Williamsmarston LLC Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Williamsmarston LLC Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Allied Pilots Association 401(k) Retirement Savings Plan in TX ($25M); by covered participants it is Glenstone Foundation 401(k) Plan in MD (193 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($25M here).

Similar participant headcount

Nearest other-state filings by covered participants (193 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 Williamsmarston LLC Retirement Plan assets move in 2024?
Williamsmarston LLC Retirement Plan grew sharply - up 23.9% during 2024, from $20M to $25M. Reported net income was $5M.
How have Williamsmarston LLC plan assets changed over time?
Across 3 plan years on file (2022-2024), Williamsmarston LLC's sponsor-wide assets grew 141.3%, from $10M to $25M.
Which 401(k) plans are similar in size to Williamsmarston LLC Retirement Plan?
Among 401(k) plans in other states, the closest by assets is Allied Pilots Association 401(k) Retirement Savings Plan in TX ($25M, 81 participants).
Which 401(k) plans cover a similar participant headcount to Williamsmarston LLC Retirement Plan?
Among 401(k) plans in other states, the closest by covered participants is Glenstone Foundation 401(k) Plan in MD (193 participants, $8M in assets).