401(k) · DOL Form 5500 · 2024

Sullivan & Worcester LLP 401(k) Plan

Data updated 2026-08-11

$118M
Total assets
193
Participants
92nd
Percentile by assets
$610,939
Avg per participant
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Official DOL plan name: Sullivan & Worcester LLP Savings and Investment Plan · Sponsored by Sullivan & Worcester LLP · Massachusetts · Professional & Technical Services

$118M in assets, 193 participants

Sullivan & Worcester LLP's Sullivan & Worcester LLP Savings and Investment Plan reported $118M in total assets and 193 participants in its 2024 DOL Form 5500 filing, ranking in the 92nd 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.

  • 92nd percentile by assets (of 123,622 plans)
  • #18,698 in Professional & Technical Services (20,173 peers)

Coverage in Massachusetts

Sullivan & Worcester LLP Savings and Investment Plan covers 193 participants in Massachusetts, about 29% of the average Massachusetts filer (state average ~659 per filing). Assets: $118M.

$118M
total plan assets (2024 EOY)
193
covered participants
92nd
percentile by assets (of 123,622 plans)
$610,939
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Sullivan & Worcester LLP Savings and Investment Plan reported net income rose from $5M in the plan year 2023 filing to $9M in the plan year 2024 filing.
  • Sullivan & Worcester LLP Savings and Investment Plan end-of-year assets rose from $108M in the plan year 2023 filing to $118M in the plan year 2024 filing.
  • Sullivan & Worcester LLP Savings and Investment Plan reported participants rose from 187 in the plan year 2023 filing to 193 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Participants vs Massachusetts filers

In Massachusetts, the average filing covers about 659 participants across 4,265 plans. Sullivan & Worcester LLP Savings and Investment Plan reports 193 participants - about 29% of that state average ($118M EOY assets).

Massachusetts filing particulars

Total Assets (Beginning of Year)$108M
Net Assets (End of Year)$118M
Net Income$9M
Employer EIN042387531
Plan Effective Date1984-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Sullivan & Worcester LLP)

$180M$200M$220M$240M$260M 202220232024 $202M $239M ▲ +17.9%
Total plan assets by year, all Sullivan & Worcester LLP plans on file
Year Plans Participants Total Assets
2022 3 431 $202M
2023 3 399 $217M
2024 3 413 $239M

Nearby 401(k) Plans in Massachusetts

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

Sullivan & Worcester LLP Savings and Investment Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Sullivan & Worcester LLP Savings and Investment Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Sullivan & Worcester…Fidelity Retirement …Liberty Mutual 401(k…Massachusetts Instit…Boston Scientific Co…State Street Salary …
Sullivan & Worcester LLP Savings and Investment Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Sullivan & Worcester LLP Savings and Investment Plan by total assets, not by location.

Frequently Asked Questions

How did Sullivan & Worcester LLP Savings and Investment Plan assets move in 2024?
Sullivan & Worcester LLP Savings and Investment Plan grew at a solid clip - up 9.0% during 2024, from $108M to $118M. Reported net income was $9M.
How have Sullivan & Worcester LLP plan assets changed over time?
Across 3 plan years on file (2022-2024), Sullivan & Worcester LLP's sponsor-wide assets grew 17.9%, from $202M to $239M.
Where does Sullivan & Worcester LLP Savings and Investment Plan rank by assets among Form 5500 filers?
Sullivan & Worcester LLP Savings and Investment Plan ranks in the 92nd percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Sullivan & Worcester LLP Savings and Investment Plan?
Among 401(k) plans in other states, the closest by assets is Las Vegas Sands Corp. 401(k) Retirement Plan in NV ($118M, 726 participants).

Next read for Sullivan & Worcester LLP Savings and Inv…

Filing takeaways

Ways to act on Sullivan & Worcester LLP Savings and Investment Plan's numbers.