401(k) · DOL Form 5500 · 2024

Sumco Phoenix Corporation 401(k) Plan

Data updated 2026-08-25

$149M
Total assets Near avg plan size
575
Participants Below avg headcount
93rd
Percentile by assets National rank
$258,310
Avg per participant Above avg balance/head
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Official DOL plan name: Sumco Phoenix Corporation Savings and Retirement Plan · Sponsored by Sumco Phoenix Corporation · Arizona · Manufacturing

$149M in assets, 575 participants

Sumco Phoenix Corporation's Sumco Phoenix Corporation Savings and Retirement Plan reported $149M in total assets and 575 participants in its 2024 DOL Form 5500 filing, ranking in the 93rd 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.

  • #15,870 in Manufacturing (17,777 peers)

Where Sumco Phoenix Corporation Savings and Retirement Plan sits by assets

Sumco Phoenix Corporation Savings and Retirement Plan sits in the top 10% of all filed plans by assets, $149M for 575 participants (~$258,310/participant), up 2.0% in 2024.

#15,870
in Manufacturing (17,777 peers)
+2.0%
assets growth YoY
1.5×
vs typical plan assets (national mean)

Sumco Phoenix Corporation Savings and Retirement Plan's outsized position by total assets

Sumco Phoenix Corporation Savings and Retirement Plan vs every filed plan by assets

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

$148,528,418 Top 7% higher than 93% 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

Sumco Phoenix Corporation Savings and Retirement 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. Sumco Phoenix Corporation Savings and Retirement Plan sits mid-pack in the medium band (575 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Sumco Phoenix Corporation Savings and Retirement Plan reported net income fell from $13M in the plan year 2023 filing to $3M in the plan year 2024 filing.
  • Sumco Phoenix Corporation Savings and Retirement Plan reported participants fell from 605 in the plan year 2023 filing to 575 in the plan year 2024 filing.
  • Sumco Phoenix Corporation Savings and Retirement Plan end-of-year assets rose from $146M in the plan year 2023 filing to $149M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 223014284 · Sumco Phoenix Corporation PY 2024 · 401(k)

Sumco Phoenix Corporation Savings and Retirement Plan · $149M · 575 · 93rd

  • EOY $149M
  • 5500 575
  • ASSETS 93rd
  • PCT 401(k)
  • EIN near Meso Scale Diagnostics 401(k) Plan
  • RANK ind #15870

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 Arizona →

Sumco Phoenix Corporation Savings and Retirement Plan in the asset neighbourhood

Primed Management Consulting Services, Inc. 401(k) PlanPrimed Management Consulting…$149MEdw. C. Levy Co. Capital Accumulation PlanEdw. C. Levy Co. Capital Acc…$149MSumco Phoenix Corporation Savings and Retirement PlanSumco Phoenix Corporation Sa…$149MMeso Scale Diagnostics 401(k) PlanMeso Scale Diagnostics 401(k…$148MNew American Funding, LLC 401(k) PlanNew American Funding, LLC 40…$148M
End-of-year total assets ($M) among Sumco Phoenix Corporation Savings and Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$146M
Net Assets (End of Year)$149M
Net Income$3M
Employer EIN223014284
Plan Effective Date1998-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Sumco Phoenix Corporation)

Sponsor-wide plan assets over time

All Sumco Phoenix Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$149M 12.15378417641325% vs 2022
2024 filing year
$130M$135M$140M$145M$150M$155M 202220232024 $132M $149M ▲ +12.2%
Year Plans Participants Total Assets
2022 1 633 $132M
2023 1 605 $146M
2024 1 575 $149M

Nearby 401(k) Plans in Arizona

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

Sumco Phoenix Corporation Savings and Retirement Plan vs. nearby 401(k) plans in Arizona, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -202468 Total assets ($B) Participants Sumco Phoenix Corporation Savings and Retirement Plan, Total assets ($B): 0.148528418 · Participants: 575Sumco Phoenix Corporation Savings and Retirement PlanBechtel Trust & Thrift Plan, Total assets ($B): 6.067288511 · Participants: 7971Bechtel Trust & Thrift PlanBanner Health Employees 401(k) Plan, Total assets ($B): 4.918574883 · Participants: 54731Banner Health Employees 401(k) PlanFreeport-Mcmoran Inc. Employee Capital Accumulation Program, Total assets ($B): 2.670667399 · Participants: 13770Freeport-Mcmoran Inc. Employee Capital Accumulation ProgramRepublic Services, Inc. 401(k) Plan, Total assets ($B): 2.666764279 · Participants: 32629Republic Services, Inc. 401(k) PlanStantec 401(k) Plan, Total assets ($B): 2.319061108 · Participants: 11603Stantec 401(k) Plan
Sumco Phoenix Corporation Savings and Retirement Plan vs. nearby 401(k) plans in Arizona, assets vs. participants

Sumco Phoenix Corporation Savings and Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside Arizona, the nearest 401(k) by assets is Meso Scale Diagnostics 401(k) Plan in MD ($148M); by covered participants it is Rotary International 401(k) Plan in IL (575 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($149M here).

Similar participant headcount

Nearest other-state filings by covered participants (575 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 Sumco Phoenix Corporation Savings and Retirement Plan assets move in 2024?
Sumco Phoenix Corporation Savings and Retirement Plan edged up modestly - up 2.0% during 2024, from $146M to $149M. Reported net income was $3M.
How have Sumco Phoenix Corporation plan assets changed over time?
Across 3 plan years on file (2022-2024), Sumco Phoenix Corporation's sponsor-wide assets grew 12.2%, from $132M to $149M.
Where does Sumco Phoenix Corporation Savings and Retirement Plan rank by assets among Form 5500 filers?
Sumco Phoenix Corporation Savings and Retirement Plan ranks in the 93rd 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 Sumco Phoenix Corporation Savings and Retirement Plan?
Among 401(k) plans in other states, the closest by assets is Meso Scale Diagnostics 401(k) Plan in MD ($148M, 940 participants).
Which 401(k) plans cover a similar participant headcount to Sumco Phoenix Corporation Savings and Retirement Plan?
Among 401(k) plans in other states, the closest by covered participants is Rotary International 401(k) Plan in IL (575 participants, $170M in assets).