401(k) · DOL Form 5500 · 2024

R.G. Vanderweil Engineers, LLP 401(k) Plan

Data updated 2026-08-25

$138M
Total assets Near avg plan size
468
Participants Below avg headcount
92nd
Percentile by assets National rank
$295,668
Avg per participant High balance/head
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Official DOL plan name: The Vanderweil Companies Savings Plan · Sponsored by R.G. Vanderweil Engineers, LLP · Massachusetts · Professional & Technical Services

$138M in assets, 468 participants

R.G. Vanderweil Engineers, LLP's The Vanderweil Companies Savings Plan reported $138M in total assets and 468 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.

  • #18,889 in Professional & Technical Services (20,173 peers)

Where The Vanderweil Companies Savings Plan sits by assets

The Vanderweil Companies Savings Plan sits in the top 10% of all filed plans by assets, $138M for 468 participants (~$295,668/participant), up 16.8% in 2024.

#18,889
in Professional & Technical Services (20,173 peers)
+16.8%
assets growth YoY
1.4×
vs typical plan assets (national mean)

The Vanderweil Companies Savings Plan's outsized position by total assets

The Vanderweil Companies Savings Plan vs every filed plan by assets

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

$138,372,560 Top 8% higher than 92% 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

The Vanderweil Companies Savings 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. The Vanderweil Companies Savings Plan sits mid-pack in the medium band (468 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • The Vanderweil Companies Savings Plan end-of-year assets rose from $118M in the plan year 2023 filing to $138M in the plan year 2024 filing.
  • The Vanderweil Companies Savings Plan reported participants rose from 427 in the plan year 2023 filing to 468 in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 042452980 · R.G. Vanderweil Engineers, LLP PY 2024 · 401(k)

The Vanderweil Companies Savings Plan · $138M · 468 · 92nd

  • TYPE $138M
  • TYPE 468
  • TYPE 92nd
  • TYPE 401(k)
  • TYPE near Imagine Learning LLC 401(k) Plan
  • TYPE ind #18889

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 →

The Vanderweil Companies Savings Plan in the asset neighbourhood

IBEW Local Union No. 520 Annuity PlanIBEW Local Union No. 520 Ann…$138MImagine Learning LLC 401(k) PlanImagine Learning LLC 401(k) …$138MThe Vanderweil Companies Savings PlanThe Vanderweil Companies Sav…$138MAir Line Pilots Association, International Deferred Savings Plan Bargaining Professional Admin Emp.Air Line Pilots Association,…$138MThe Retirement Plan of Agilysys, Inc.The Retirement Plan of Agily…$138M
End-of-year total assets ($M) among The Vanderweil Companies Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$118M
Net Assets (End of Year)$138M
Net Income$20M
Employer EIN042452980
Plan Effective Date1974-06-01
Filing StatusFILING RECEIVED

Sponsor Plan History (R.G. Vanderweil Engineers, LLP)

Sponsor-wide plan assets over time

All R.G. Vanderweil Engineers, LLP plans reported in each filing year

Latest sponsor-wide plan assets
$138M 40.60813085490133% vs 2022
2024 filing year
$80M$100M$120M$140M$160M 202220232024 $98.4M $138M ▲ +40.6%
Year Plans Participants Total Assets
2022 1 413 $98M
2023 1 427 $118M
2024 1 468 $138M

Nearby 401(k) Plans in Massachusetts

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

The Vanderweil Companies Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants The Vanderweil Companies Savings Plan, Total assets ($B): 0.13837256 · Participants: 468The Vanderweil Companies Savings 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
The Vanderweil Companies Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare The Vanderweil Companies Savings Plan side-by-side with 3 peers →

The Vanderweil Companies Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Imagine Learning LLC 401(k) Plan in AZ ($138M); by covered participants it is Mikuni Restaurant Group, Inc. 401(k) Plan in CA (468 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (468 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 The Vanderweil Companies Savings Plan assets move in 2024? ▼
The Vanderweil Companies Savings Plan grew sharply - up 16.8% during 2024, from $118M to $138M. Reported net income was $20M.
How have R.G. Vanderweil Engineers, LLP plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), R.G. Vanderweil Engineers, LLP's sponsor-wide assets grew 40.6%, from $98M to $138M.
Where does The Vanderweil Companies Savings Plan rank by assets among Form 5500 filers? ▼
The Vanderweil Companies Savings 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 The Vanderweil Companies Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Imagine Learning LLC 401(k) Plan in AZ ($138M, 2,664 participants).
Which 401(k) plans cover a similar participant headcount to The Vanderweil Companies Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Mikuni Restaurant Group, Inc. 401(k) Plan in CA (468 participants, $3M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 042452980.

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.