401(k) · DOL Form 5500 · 2023

Armstrong Teasdale LLP 401(k) Plan

Data updated 2026-08-11

$158M
Total assets
602
Participants
94th
Percentile by assets
$262,393
Avg per participant
PlainRetire home → About this data

Official DOL plan name: Armstrong & Teasdale 401(k) Plan · Sponsored by Armstrong Teasdale LLP · Missouri · Professional & Technical Services

$158M in assets, 602 participants

Armstrong Teasdale LLP's Armstrong & Teasdale 401(k) Plan reported $158M in total assets and 602 participants in its 2023 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 127,072 plans)
  • #19,301 in Professional & Technical Services (20,321 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, $158M for 602 participants (~$262,393/participant), up 22.1% in 2023.

$158M
total plan assets (2023 EOY)
602
covered participants
94th
percentile by assets (of 127,072 plans)
$262,393
avg assets per participant

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

Armstrong & Teasdale 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$157,960,445 Top 6% higher than 94% of 127,068 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 2023

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Armstrong & Teasdale 401(k) Plan reported net income rose from -$27M in the plan year 2022 filing to $29M in the plan year 2023 filing.
  • Armstrong & Teasdale 401(k) Plan end-of-year assets rose from $129M in the plan year 2022 filing to $158M in the plan year 2023 filing.
  • Armstrong & Teasdale 401(k) Plan reported participants rose from 522 in the plan year 2022 filing to 602 in the plan year 2023 filing.

See the national 2022→2023 release diff →

State
Missouri
Industry
Professional & Technical Services

Armstrong & Teasdale 401(k) Plan vs the 2023 asset distribution

By assets, Armstrong & Teasdale 401(k) Plan outranks 94% of the 127,072 plans that filed a Form 5500 for the 2023 plan year, and holds roughly 1.6x the national average plan size of $100M (721 average participants).

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$129M
Net Assets (End of Year)$158M
Net Income$29M
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 Scatter plot of 6 data points. -20000020000400006000080000 -5051015 Total assets ($B) Participants Armstrong & Teasdale…, Total assets ($B): 0.157960445 · Participants: 602Armstrong & Teasdale…Edward D. Jones & Co…, Total assets ($B): 10.594991308 · Participants: 49944Edward D. Jones & Co…Bayer Corporation Sa…, Total assets ($B): 10.333863661 · Participants: 19273Bayer Corporation Sa…Enterprise Holdings …, Total assets ($B): 5.607728879 · Participants: 66210Enterprise Holdings …Centene Management C…, Total assets ($B): 4.047068199 · Participants: 53822Centene Management C…Emerson Electric Com…, Total assets ($B): 3.563332746 · Participants: 10316Emerson Electric Com…
Armstrong & Teasdale 401(k) Plan vs. nearby 401(k) plans in Missouri, assets vs. participants
Compare Armstrong & Teasdale 401(k) Plan side-by-side with 3 peers →

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 2023? ▼
Armstrong & Teasdale 401(k) Plan grew sharply - up 22.1% during 2023, from $129M to $158M. Reported net income was $29M.
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 127,072 plans that reported assets for plan year 2023 (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 Miller & Chevalier, Chartered Cash or Deferred Profit Sharing Plan in DC ($158M, 89 participants).

Next read for Armstrong & Teasdale 401(k) Plan

Scale reading

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

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 431274026.

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.