401(k) · DOL Form 5500 · 2024

Atc Management Inc 401(k) Plan

Data updated 2026-08-25

$206M
Total assets Near avg plan size
537
Participants Below avg headcount
94th
Percentile by assets National rank
$384,349
Avg per participant High balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Atc 401(k) Plan · Sponsored by Atc Management Inc · Wisconsin · Utilities

$206M in assets, 537 participants

Atc Management Inc's Atc 401(k) Plan reported $206M in total assets and 537 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.

  • #515 in Utilities (732 peers)

Utilities sector rank

Within Utilities, Atc 401(k) Plan ranks #515 of 732 2024 filers by assets (260% of the sector average)-$206M for 537 participants.

#515
in Utilities (732 peers)
+14.7%
assets growth YoY
2.1×
vs typical plan assets (national mean)

Atc 401(k) Plan's outsized position by total assets

Atc 401(k) Plan vs every filed plan by assets

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

$206,395,221 Top 6% higher than 94% 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

Atc 401(k) 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. Atc 401(k) Plan sits mid-pack in the medium band (537 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Atc 401(k) Plan end-of-year assets rose from $180M in the plan year 2023 filing to $206M in the plan year 2024 filing.
  • Atc 401(k) Plan reported net income rose from $24M in the plan year 2023 filing to $26M in the plan year 2024 filing.
  • Atc 401(k) Plan reported participants rose from 511 in the plan year 2023 filing to 537 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 391999363 · Atc Management Inc PY 2024 · 401(k)

Atc 401(k) Plan · $206M · 537 · 94th

  • RANK $206M
  • RANK 537
  • RANK 94th
  • RANK 401(k)
  • RANK near Moelis & Company Group LP 401(k) Profit Sharing Plan
  • RANK ind #515

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 Utilities retirement plans → · Plans in Wisconsin →

Atc 401(k) Plan in the asset neighbourhood

Esse Health Profit Sharing PlanEsse Health Profit Sharing P…$206MAtc 401(k) Plan$206MMoelis & Company Group LP 401(k) Profit Sharing PlanMoelis & Company Group LP 40…$206MTaylor Made Employees Savings Retirement ProgramTaylor Made Employees Saving…$206MTopcon America Corporation 401(k) PlanTopcon America Corporation 4…$206M
End-of-year total assets ($M) among Atc 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Utilities filing particulars

Total Assets (Beginning of Year)$180M
Net Assets (End of Year)$206M
Net Income$26M
Employer EIN391999363
Plan Effective Date2001-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Atc Management Inc)

Sponsor-wide plan assets over time

All Atc Management Inc plans reported in each filing year

Latest sponsor-wide plan assets
$290M 30.80000804415975% vs 2022
2024 filing year
$200M$250M$300M 202220232024 $222M $290M ▲ +30.8%
Year Plans Participants Total Assets
2022 2 1,045 $222M
2023 2 1,022 $256M
2024 2 1,074 $290M

Nearby 401(k) Plans in Wisconsin

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

Atc 401(k) Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000100000 -5051015 Total assets ($B) Participants Atc 401(k) Plan, Total assets ($B): 0.206395221 · Participants: 537Atc 401(k) PlanAdvocate Aurora Health 401(k) Plan, Total assets ($B): 10.487791739 · Participants: 80015Advocate Aurora Health 401(k) PlanJohnson Controls Retirement Savings and Investment Plan, Total assets ($B): 7.188548319 · Participants: 28489Johnson Controls Retirement Savings and Investment PlanFiserv 401(k) Savings Plan, Total assets ($B): 5.136404794 · Participants: 26372Fiserv 401(k) Savings PlanKimberly-Clark Corporation 401(k) & Profit Sharing Plan, Total assets ($B): 4.988151 · Participants: 11661Kimberly-Clark Corporation 401(k) & Profit Sharing PlanRockwell Automation Retirement Savings Plan, Total assets ($B): 3.765132976 · Participants: 9217Rockwell Automation Retirement Savings Plan
Atc 401(k) Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants
Compare Atc 401(k) Plan side-by-side with 3 peers →

Atc 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Wisconsin, the nearest 401(k) by assets is Moelis & Company Group LP 401(k) Profit Sharing Plan in NY ($206M); by covered participants it is Dowl LLC Retirement Savings and Investment Plan in AK (537 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($206M here).

Similar participant headcount

Nearest other-state filings by covered participants (537 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 Atc 401(k) Plan assets move in 2024? ▼
Atc 401(k) Plan grew at a solid clip - up 14.7% during 2024, from $180M to $206M. Reported net income was $26M.
How have Atc Management Inc plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Atc Management Inc's sponsor-wide assets grew 30.8%, from $222M to $290M.
Where does Atc 401(k) Plan rank by assets among Form 5500 filers? ▼
Atc 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 Atc 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Moelis & Company Group LP 401(k) Profit Sharing Plan in NY ($206M, 828 participants).
Which 401(k) plans cover a similar participant headcount to Atc 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Dowl LLC Retirement Savings and Investment Plan in AK (537 participants, $134M 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 391999363.

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.