401(k) · DOL Form 5500 · 2022

Williamsmarston LLC 401(k) Plan

Data updated 2026-08-25

$10M
Total assets Small plan by assets
133
Participants Small participant base
66th
Percentile by assets National rank
$78,560
Avg per participant Below avg balance/head
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Official DOL plan name: Williamsmarston LLC Retirement Plan · Sponsored by Williamsmarston LLC · Massachusetts · Professional & Technical Services

$10M in assets, 133 participants

Williamsmarston LLC's Williamsmarston LLC Retirement Plan reported $10M in total assets and 133 participants in its 2022 DOL Form 5500 filing, ranking in the 66th 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.

  • #13,941 in Professional & Technical Services (21,562 peers)

Coverage in Massachusetts

Williamsmarston LLC Retirement Plan covers 133 participants in Massachusetts, about 20% of the average Massachusetts filer (state average ~659 per filing). Assets: $10M.

#13,941
in Professional & Technical Services (21,562 peers)
+103.1%
assets growth YoY

Williamsmarston LLC Retirement Plan's mid-pack asset rank among Professional & Technical Services and all filers

Williamsmarston LLC Retirement Plan vs every filed plan by assets

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

$10,448,501 Top 34% higher than 66% 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

Williamsmarston LLC Retirement Plan among mid-size filed plans by headcount

Plan-year 2022 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 (133 participants).

Published 5500 schedule card

Filing strip 464311251 · Williamsmarston LLC PY 2022 · 401(k)

Williamsmarston LLC Retirement Plan · $10M · 133 · 66th

  • PHOTO $10M
  • PHOTO 133
  • PHOTO 66th
  • PHOTO 401(k)
  • PHOTO near Macgregor Medical Center 401(k) Plan
  • PHOTO ind #13941

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…$10MMacgregor Medical Center 401(k) PlanMacgregor Medical Center 401…$10MCoastal Specialty Forest Products, Inc. 401(k) Profit Sharing PlanCoastal Specialty Forest Pro…$10MThe Trade Group, Inc. 401(k) Profit Sharing PlanThe Trade Group, Inc. 401(k)…$10MThe N2 Company's 401(k) Plan$10M
End-of-year total assets ($M) among Williamsmarston LLC Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Massachusetts filing particulars

Total Assets (Beginning of Year)$5M
Net Assets (End of Year)$10M
Net Income$2M
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. -200000200004000060000 -100102030 Total assets ($B) Participants Williamsmarston LLC Retirement Plan, Total assets ($B): 0.010448501 · Participants: 133Williamsmarston LLC Retirement PlanFidelity Retirement Savings Plan, Total assets ($B): 22.953563448 · Participants: 52036Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 8.79802945 · Participants: 32843Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 5.810585521 · Participants: 13690Massachusetts Institute of Technology Supplemental 401(k) PlanPhilips North America 401(k) Plan, Total assets ($B): 5.180251859 · Participants: 19750Philips North America 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 4.853752256 · Participants: 18359Boston Scientific Corporation 401(k) Retirement Savings Plan
Williamsmarston LLC Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Williamsmarston LLC Retirement Plan side-by-side with 3 peers →

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

Outside Massachusetts, the nearest 401(k) by assets is Macgregor Medical Center 401(k) Plan in TX ($10M); by covered participants it is Ari Retirement Plan in IL (133 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (133 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 Williamsmarston LLC Retirement Plan assets move in 2022? ▼
Williamsmarston LLC Retirement Plan surged - up 103.1% during 2022, from $5M to $10M. Reported net income was $2M.
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 Macgregor Medical Center 401(k) Plan in TX ($10M, 42 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 Ari Retirement Plan in IL (133 participants, $990K 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 464311251.

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.