401(k) · DOL Form 5500 · 2022

Ampc LLC Dba Proliant-Apc-Boyer Valley Co.-Enter 401(k) Plan

Data updated 2026-08-25

$63M
Total assets Below avg plan size
577
Participants Below avg headcount
90th
Percentile by assets National rank
$108,589
Avg per participant Below avg balance/head
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Official DOL plan name: Ampc LLC 401(k) Retirement Plan · Sponsored by Ampc LLC Dba Proliant-Apc-Boyer Valley Co.-Enter · Iowa · Manufacturing

$63M in assets, 577 participants

Ampc LLC Dba Proliant-Apc-Boyer Valley Co.-Enter's Ampc LLC 401(k) Retirement Plan reported $63M in total assets and 577 participants in its 2022 DOL Form 5500 filing, ranking in the 90th 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.

  • #17,473 in Manufacturing (20,602 peers)

Where Ampc LLC 401(k) Retirement Plan sits by assets

Ampc LLC 401(k) Retirement Plan sits in the top 10% of all filed plans by assets, $63M for 577 participants (~$108,589/participant), down 19.2% in 2022.

#17,473
in Manufacturing (20,602 peers)
-19.2%
assets change YoY
0.6×
vs typical plan assets (national mean)

The plan reported a net loss of $15M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Ampc LLC 401(k) Retirement Plan's outsized position by total assets

Ampc LLC 401(k) Retirement Plan vs every filed plan by assets

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

$62,655,708 Top 10% higher than 90% of 139,123 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 2022

Ampc LLC 401(k) Retirement Plan among mid-size filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Ampc LLC 401(k) Retirement Plan sits mid-pack in the medium band (577 participants).

Published 5500 schedule card

Filing strip 421160181 · Ampc LLC Dba Proliant-Apc-Boyer Valley Co.-Enter PY 2022 · 401(k)

Ampc LLC 401(k) Retirement Plan · $63M · 577 · 90th

  • PART $63M
  • TYPE 577
  • NET 90th
  • BOOK 401(k)
  • VS-ST near Stolle Machinery Company, LLC 401(k) Retirement Plan
  • BOY ind #17473

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 Manufacturing retirement plans → · Plans in Iowa →

Ampc LLC 401(k) Retirement Plan in the asset neighbourhood

Verrill Dana LLP 401(k) Savings PlanVerrill Dana LLP 401(k) Savi…$63MAmpc LLC 401(k) Retirement PlanAmpc LLC 401(k) Retirement P…$63MStolle Machinery Company, LLC 401(k) Retirement PlanStolle Machinery Company, LL…$63MMontgomery, Mccracken, Walker & Rhoads, LLP Retirement Savings PlanMontgomery, Mccracken, Walke…$63MEast Boston Neighborhood Health Center 401(k) PlanEast Boston Neighborhood Hea…$63M
End-of-year total assets ($M) among Ampc LLC 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$78M
Net Assets (End of Year)$63M
Net Income-$15M
Employer EIN421160181
Plan Effective Date1990-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Ampc LLC Dba Proliant-Apc-Boyer Valley Co.-Enter)

Sponsor-wide plan assets over time

All Ampc LLC Dba Proliant-Apc-Boyer Valley Co.-Enter plans reported in each filing year

Latest sponsor-wide plan assets
$81M 28.802009547158896% vs 2022
2024 filing year
$60M$70M$80M$90M 202220232024 $62.7M $80.7M ▲ +28.8%
Year Plans Participants Total Assets
2022 1 577 $63M
2023 1 570 $73M
2024 1 591 $81M

Nearby 401(k) Plans in Iowa

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

Ampc LLC 401(k) Retirement Plan vs. nearby 401(k) plans in Iowa, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -101234 Total assets ($B) Participants Ampc LLC 401(k) Retirement Plan, Total assets ($B): 0.062655708 · Participants: 577Ampc LLC 401(k) Retirement PlanThe Principal Select Savings Plan, Total assets ($B): 3.613396259 · Participants: 12201The Principal Select Savings PlanIowa Health System Section 401(k) Retirement Savings Plan, Total assets ($B): 2.684422851 · Participants: 28603Iowa Health System Section 401(k) Retirement Savings PlanThe Hy-Vee and Affiliates 401(k) Plan, Total assets ($B): 2.447514997 · Participants: 59826The Hy-Vee and Affiliates 401(k) PlanThe Rsm US LLP Retirement Plan, Total assets ($B): 2.275604074 · Participants: 13793The Rsm US LLP Retirement PlanTransamerica 401(k) Retirement Savings Plan, Total assets ($B): 2.116061137 · Participants: 7262Transamerica 401(k) Retirement Savings Plan
Ampc LLC 401(k) Retirement Plan vs. nearby 401(k) plans in Iowa, assets vs. participants
Compare Ampc LLC 401(k) Retirement Plan side-by-side with 3 peers →

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

Outside Iowa, the nearest 401(k) by assets is Stolle Machinery Company, LLC 401(k) Retirement Plan in CO ($63M); by covered participants it is Golub Capital LLC 401(k) Plan in IL (577 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (577 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Ampc LLC 401(k) Retirement Plan assets move in 2022? ▼
Ampc LLC 401(k) Retirement Plan declined sharply - down 19.2% during 2022, from $78M to $63M. Reported net income was -$15M.
How have Ampc LLC Dba Proliant-Apc-Boyer Valley Co.-Enter plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Ampc LLC Dba Proliant-Apc-Boyer Valley Co.-Enter's sponsor-wide assets grew 28.8%, from $63M to $81M.
Where does Ampc LLC 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼
Ampc LLC 401(k) Retirement Plan ranks in the 90th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Ampc LLC 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Stolle Machinery Company, LLC 401(k) Retirement Plan in CO ($63M, 754 participants).
Which 401(k) plans cover a similar participant headcount to Ampc LLC 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Golub Capital LLC 401(k) Plan in IL (577 participants, $102M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 421160181.

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.