401(k) · DOL Form 5500 · 2022

Thornton Tomasetti, Inc. 401(k) Plan

Data updated 2026-08-11

$318M
Total assets
1,083
Participants
97th
Percentile by assets
$293,296
Avg per participant
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Official DOL plan name: Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan · Sponsored by Thornton Tomasetti, Inc. · New York · Professional & Technical Services

$318M in assets, 1,083 participants

Thornton Tomasetti, Inc.'s Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan reported $318M in total assets and 1,083 participants in its 2022 DOL Form 5500 filing, ranking in the 97th 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.

  • 97th percentile by assets (of 139,126 plans)
  • #21,087 in Professional & Technical Services (21,562 peers)

Where Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan sits by assets

Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan sits in the top 5% of all filed plans by assets, $318M for 1,083 participants (~$293,296/participant), down 19.7% in 2022.

$318M
total plan assets (2022 EOY)
1,083
covered participants
97th
percentile by assets (of 139,126 plans)
$293,296
avg assets per participant

The plan reported a net loss of $78M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Where Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan sits by total assets

Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan vs every filed plan by assets

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

$317,639,707 Top 3% higher than 97% of 139,123 filed plans

This plan $0 $2,010,000,000 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

Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan vs the 2022 asset distribution

By assets, Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan outranks 97% of the 139,126 plans that filed a Form 5500 for the 2022 plan year, and holds roughly 3.2x the national average plan size of $100M (721 average participants).

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$396M
Net Assets (End of Year)$318M
Net Income-$78M
Employer EIN131251070
Plan Effective Date1992-02-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Thornton Tomasetti, Inc.)

$300M$350M$400M$450M$500M 202220232024 $318M $469M ▲ +47.5%
Total plan assets by year, all Thornton Tomasetti, Inc. plans on file
Year Plans Participants Total Assets
2022 1 1,083 $318M
2023 1 1,075 $389M
2024 1 1,131 $469M

Nearby 401(k) Plans in New York

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

Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan vs. nearby 401(k) plans in New York, assets vs. participants

Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan vs. nearby 401(k) plans in New York, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Thornton Tomasetti, …IBM 401 (K) Plus PlanMorgan Stanley 401(k…The Pepsico Savings …Deloitte 401(k) PlanThe Goldman Sachs 40…
Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan vs. nearby 401(k) plans in New York, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan by total assets, not by location.

Frequently Asked Questions

How did Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan assets move in 2022?
Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan declined sharply - down 19.7% during 2022, from $396M to $318M. Reported net income was -$78M.
How have Thornton Tomasetti, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Thornton Tomasetti, Inc.'s sponsor-wide assets grew 47.5%, from $318M to $469M.
Where does Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan rank by assets among Form 5500 filers?
Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan ranks in the 97th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Thornton Tomasetti, Inc. 401(k) Profit Sharing Plan?
Among 401(k) plans in other states, the closest by assets is James Hardie Building Products, Inc. Retirement Plan in IL ($318M, 3,277 participants).

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