401(k) · DOL Form 5500 · 2024

Armstrong Teasdale LLP 401(k) Plan

Data updated 2026-08-11

$189M
Total assets
629
Participants
94th
Percentile by assets
$300,390
Avg per participant
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Official DOL plan name: Armstrong & Teasdale 401(k) Plan · Sponsored by Armstrong Teasdale LLP · Missouri · Professional & Technical Services

$189M in assets, 629 participants

Armstrong Teasdale LLP's Armstrong & Teasdale 401(k) Plan reported $189M in total assets and 629 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)
  • #19,205 in Professional & Technical Services (20,173 peers)

Where Armstrong & Teasdale 401(k) Plan sits by assets

Armstrong & Teasdale 401(k) Plan sits in the top 10% of all filed plans by assets, $189M for 629 participants (~$300,390/participant), up 19.6% in 2024.

$189M
total plan assets (2024 EOY)
629
covered participants
94th
percentile by assets (of 123,622 plans)
$300,390
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Armstrong & Teasdale 401(k) Plan end-of-year assets rose from $158M in the plan year 2023 filing to $189M in the plan year 2024 filing.
  • Armstrong & Teasdale 401(k) Plan reported net income rose from $29M in the plan year 2023 filing to $31M in the plan year 2024 filing.
  • Armstrong & Teasdale 401(k) Plan reported participants rose from 602 in the plan year 2023 filing to 629 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Armstrong & Teasdale 401(k) Plan vs the 2024 asset distribution

By assets, Armstrong & Teasdale 401(k) Plan outranks 94% of the 123,622 plans that filed a Form 5500 for the 2024 plan year, and holds roughly 1.9x the national average plan size of $100M (721 average participants).

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$158M
Net Assets (End of Year)$189M
Net Income$31M
Employer EIN431274026
Plan Effective Date1994-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Armstrong Teasdale LLP)

$200M$250M$300M$350M 202220232024 $215M $294M ▲ +36.9%
Total plan assets by year, all Armstrong Teasdale LLP plans on file
Year Plans Participants Total Assets
2022 2 764 $215M
2023 2 858 $255M
2024 2 873 $294M

Nearby 401(k) Plans in Missouri

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

Armstrong & Teasdale 401(k) Plan vs. nearby 401(k) plans in Missouri, assets vs. participants

Armstrong & Teasdale 401(k) Plan vs. nearby 401(k) plans in Missouri, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -5051015 Total assets ($B) Participants Armstrong & Teasdale…Edward D. Jones & Co…Bayer Corporation Sa…Emerson Savings PlanEnterprise Holdings …Centene Management C…
Armstrong & Teasdale 401(k) Plan vs. nearby 401(k) plans in Missouri, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Armstrong & Teasdale 401(k) Plan by total assets, not by location.

Frequently Asked Questions

How did Armstrong & Teasdale 401(k) Plan assets move in 2024?
Armstrong & Teasdale 401(k) Plan grew sharply - up 19.6% during 2024, from $158M to $189M. Reported net income was $31M.
How have Armstrong Teasdale LLP plan assets changed over time?
Across 3 plan years on file (2022-2024), Armstrong Teasdale LLP's sponsor-wide assets grew 36.9%, from $215M to $294M.
Where does Armstrong & Teasdale 401(k) Plan rank by assets among Form 5500 filers?
Armstrong & Teasdale 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 Armstrong & Teasdale 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Centurion 401(k) Savings Plan in VA ($189M, 6,827 participants).

Scale reading

Ways to act on Armstrong & Teasdale 401(k) Plan's numbers.