401(k) · DOL Form 5500 · 2024

Semiconductor Components Industries, LLC 401(k) Plan

Data updated 2026-08-25

$1.3B
Total assets Very large vs avg
3,995
Participants Above avg headcount
99th
Percentile by assets National rank
$323,294
Avg per participant High balance/head
PlainRetire home → About this data

Official DOL plan name: Onsemi 401(k) Plan · Sponsored by Semiconductor Components Industries, LLC · Arizona · Manufacturing

$1.3B in assets, 3,995 participants

Semiconductor Components Industries, LLC's Onsemi 401(k) Plan reported $1.3B in total assets and 3,995 participants in its 2024 DOL Form 5500 filing, ranking in the 99th 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.

  • #17,401 in Manufacturing (17,777 peers)

Coverage in Arizona

Onsemi 401(k) Plan covers 3,995 participants in Arizona, 7.1x the typical Arizona plan (state average ~564 per filing). Assets: $1.3B.

#17,401
in Manufacturing (17,777 peers)
+7.4%
assets growth YoY
13×
vs typical plan assets (national mean)

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

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

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

$1,291,560,178 Top 1% higher than 99% 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

Onsemi 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Onsemi 401(k) Plan lands in the large band (3,995 participants).

Form 5500 schedule snapshot

Filing strip 364292817 · Semiconductor Components Industries, LLC PY 2024 · 401(k)

Onsemi 401(k) Plan · $1.3B · 3,995 · 99th

  • SCH $1.3B
  • SCH 3,995
  • SCH 99th
  • SCH 401(k)
  • SCH near Windstream 401(k) Plan
  • SCH ind #17401

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 →

Onsemi 401(k) Plan in the asset neighbourhood

Guidehouse Inc. Retirement PlanGuidehouse Inc. Retirement P…$1.3BOnsemi 401(k) Plan$1.3BWindstream 401(k) Plan$1.3BSmart, Sheet Metal Workers Local No. 104 Supplemental Pension PlanSmart, Sheet Metal Workers L…$1.3BCincinnati Financial Corporation Tax-Qualified Savings PlanCincinnati Financial Corpora…$1.3B
End-of-year total assets ($B) among Onsemi 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Arizona filing particulars

Total Assets (Beginning of Year)$1.2B
Net Assets (End of Year)$1.3B
Net Income$89M
Employer EIN364292817
Plan Effective Date1999-08-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Arizona

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

Onsemi 401(k) Plan vs. nearby 401(k) plans in Arizona, assets vs. participants Scatter plot of 6 data points. 0200004000060000 02468 Total assets ($B) Participants Onsemi 401(k) Plan, Total assets ($B): 1.291560178 · Participants: 3995Onsemi 401(k) 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
Onsemi 401(k) Plan vs. nearby 401(k) plans in Arizona, assets vs. participants
Compare Onsemi 401(k) Plan side-by-side with 3 peers →

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

Outside Arizona, the nearest 401(k) by assets is Windstream 401(k) Plan in AR ($1.3B); by covered participants it is Digi-Key Corporation 401(k) Profit Sharing Plan in MN (3,993 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($1.3B here).

Similar participant headcount

Nearest other-state filings by covered participants (3,995 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 Onsemi 401(k) Plan assets move in 2024? ▼
Onsemi 401(k) Plan grew at a solid clip - up 7.4% during 2024, from $1.2B to $1.3B. Reported net income was $89M.
Where does Onsemi 401(k) Plan rank by assets among Form 5500 filers? ▼
Onsemi 401(k) Plan ranks in the 99th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Onsemi 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Windstream 401(k) Plan in AR ($1.3B, 9,409 participants).
Which 401(k) plans cover a similar participant headcount to Onsemi 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Digi-Key Corporation 401(k) Profit Sharing Plan in MN (3,993 participants, $491M 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 364292817.

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.