401(k) · DOL Form 5500 · 2024

Whelen Engineering Company, Inc 401(k) Plan

Data updated 2026-08-11

$186M
Total assets
1,528
Participants
94th
Percentile by assets
$121,784
Avg per participant
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Official DOL plan name: Whelen Engineering Company, Inc. 401(k) Plan · Sponsored by Whelen Engineering Company, Inc · Connecticut · Manufacturing

$186M in assets, 1,528 participants

Whelen Engineering Company, Inc's Whelen Engineering Company, Inc. 401(k) Plan reported $186M in total assets and 1,528 participants in its 2024 DOL Form 5500 filing, ranking in the 94th 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.

  • 94th percentile by assets (of 123,622 plans)
  • #16,159 in Manufacturing (17,777 peers)

Coverage in Connecticut

Whelen Engineering Company, Inc. 401(k) Plan covers 1,528 participants in Connecticut, 2.1x the typical Connecticut plan (state average ~718 per filing). Assets: $186M.

$186M
total plan assets (2024 EOY)
1,528
covered participants
94th
percentile by assets (of 123,622 plans)
$121,784
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Whelen Engineering Company, Inc. 401(k) Plan end-of-year assets rose from $158M in the plan year 2023 filing to $186M in the plan year 2024 filing.
  • Whelen Engineering Company, Inc. 401(k) Plan reported participants rose from 1,412 in the plan year 2023 filing to 1,528 in the plan year 2024 filing.
  • Whelen Engineering Company, Inc. 401(k) Plan reported net income rose from $26M in the plan year 2023 filing to $28M in the plan year 2024 filing.

See the national 2023→2024 release diff →

State
Industry

Participants vs Connecticut filers

In Connecticut, the average filing covers about 718 participants across 1,906 plans. Whelen Engineering Company, Inc. 401(k) Plan reports 1,528 participants - 2.1x that state average ($186M EOY assets).

Connecticut filing particulars

Total Assets (Beginning of Year)$158M
Net Assets (End of Year)$186M
Net Income$28M
Employer EIN060725110
Plan Effective Date2001-09-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Whelen Engineering Company, Inc)

$120M$140M$160M$180M$200M 202220232024 $132M $186M ▲ +41.3%
Total plan assets by year, all Whelen Engineering Company, Inc plans on file
Year Plans Participants Total Assets
2022 1 1,302 $132M
2023 2 2,482 $158M
2024 1 1,528 $186M

Nearby 401(k) Plans in Connecticut

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

Whelen Engineering Company, Inc. 401(k) Plan vs. nearby 401(k) plans in Connecticut, assets vs. participants

Whelen Engineering Company, Inc. 401(k) Plan vs. nearby 401(k) plans in Connecticut, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -20020406080 Total assets ($B) Participants Whelen Engineering C…Rtx Savings PlanCiti Retirement Savi…The Hartford Investm…Eversource 401(k) PlanXerox Corporation Sa…
Whelen Engineering Company, Inc. 401(k) Plan vs. nearby 401(k) plans in Connecticut, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Whelen Engineering Company, Inc. 401(k) Plan by total assets, not by location.

Frequently Asked Questions

How did Whelen Engineering Company, Inc. 401(k) Plan assets move in 2024?
Whelen Engineering Company, Inc. 401(k) Plan grew sharply - up 17.6% during 2024, from $158M to $186M. Reported net income was $28M.
How have Whelen Engineering Company, Inc plan assets changed over time?
Across 3 plan years on file (2022-2024), Whelen Engineering Company, Inc's sponsor-wide assets grew 41.3%, from $132M to $186M.
Where does Whelen Engineering Company, Inc. 401(k) Plan rank by assets among Form 5500 filers?
Whelen Engineering Company, Inc. 401(k) Plan ranks in the 94th 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 Whelen Engineering Company, Inc. 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Varnum Profit-Sharing and Retirement Savings Plan in MI ($186M, 244 participants).

Next read for Whelen Engineering Company, Inc. 401(k) …

Filing takeaways

Ways to act on Whelen Engineering Company, Inc. 401(k) Plan's numbers.

  • By total assets, Whelen Engineering Company, Inc. 401(k) Plan ranks in the top 10% of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar 401(k) plans in Connecticut. Compare plans
  • Whelen Engineering Company, Inc's sponsor-wide assets have grown 41.3% since 2022 across 3 plan years on file. More Manufacturing plans