401(k) · DOL Form 5500 · 2022

On Semiconductor Corporation 401(k) Plan

Data updated 2026-08-25

$12M
Total assets Small plan by assets
106
Participants Small participant base
69th
Percentile by assets National rank
$115,298
Avg per participant Below avg balance/head
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Official DOL plan name: Onsemi Union Savings and Retirement Plan · Sponsored by On Semiconductor Corporation · Arizona · Manufacturing

$12M in assets, 106 participants

On Semiconductor Corporation's Onsemi Union Savings and Retirement Plan reported $12M in total assets and 106 participants in its 2022 DOL Form 5500 filing, ranking in the 69th 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.

  • #11,790 in Manufacturing (20,602 peers)

Coverage in Arizona

Onsemi Union Savings and Retirement Plan covers 106 participants in Arizona, about 19% of the average Arizona filer (state average ~564 per filing). Assets: $12M.

#11,790
in Manufacturing (20,602 peers)
-16.3%
assets change YoY

The plan reported a net loss of $2M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Onsemi Union Savings and Retirement Plan's outsized position by total assets

Onsemi Union Savings and Retirement Plan vs every filed plan by assets

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

$12,221,604 Top 31% higher than 69% 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

Onsemi Union Savings and 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. Onsemi Union Savings and Retirement Plan sits mid-pack in the medium band (106 participants).

Form 5500 schedule snapshot

Filing strip 363840979 · On Semiconductor Corporation PY 2022 · 401(k)

Onsemi Union Savings and Retirement Plan · $12M · 106 · 69th

  • PCT $12M
  • EIN 106
  • RANK 69th
  • PHOTO 401(k)
  • IND near Amarillo Heart Group 401(k) and Profit Sharing Plan
  • EOY ind #11790

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 Union Savings and Retirement Plan in the asset neighbourhood

Onsemi Union Savings and Retirement PlanOnsemi Union Savings and Ret…$12MAmarillo Heart Group 401(k) and Profit Sharing PlanAmarillo Heart Group 401(k) …$12MMercari, Inc. Retirement TrustMercari, Inc. Retirement Tru…$12MTopbloc 401(k) Plan$12MTexas Regional Bank 401(k) PlanTexas Regional Bank 401(k) P…$12M
End-of-year total assets ($M) among Onsemi Union Savings and Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Arizona filing particulars

Total Assets (Beginning of Year)$15M
Net Assets (End of Year)$12M
Net Income-$2M
Employer EIN363840979
Plan Effective Date2016-09-19
Filing StatusFILING RECEIVED

Sponsor Plan History (On Semiconductor Corporation)

Sponsor-wide plan assets over time

All On Semiconductor Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$1.2B 9.63965116782153% vs 2022
2023 filing year
$1.05B$1.1B$1.15B$1.2B$1.25B 20222023 $1.11B $1.22B ▲ +9.9%
Year Plans Participants Total Assets
2022 2 3,662 $1.1B
2023 2 3,239 $1.2B

Nearby 401(k) Plans in Arizona

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

Onsemi Union Savings and Retirement Plan vs. nearby 401(k) plans in Arizona, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -101234 Total assets ($B) Participants Onsemi Union Savings and Retirement Plan, Total assets ($B): 0.012221604 · Participants: 106Onsemi Union Savings and Retirement PlanBanner Health Employees 401(k) Plan, Total assets ($B): 3.566847679 · Participants: 50602Banner Health Employees 401(k) PlanFreeport-Mcmoran Inc. Employee Capital Accumulation Program, Total assets ($B): 1.923226111 · Participants: 12362Freeport-Mcmoran Inc. Employee Capital Accumulation ProgramRepublic Services, Inc. 401(k) Plan, Total assets ($B): 1.806929859 · Participants: 28320Republic Services, Inc. 401(k) PlanStantec 401(k) Plan, Total assets ($B): 1.682454193 · Participants: 8764Stantec 401(k) PlanReliance Steel & Aluminum Co. Master 401(k) Plan, Total assets ($B): 1.33677823 · Participants: 9895Reliance Steel & Aluminum Co. Master 401(k) Plan
Onsemi Union Savings and Retirement Plan vs. nearby 401(k) plans in Arizona, assets vs. participants
Compare Onsemi Union Savings and Retirement Plan side-by-side with 3 peers →

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

Outside Arizona, the nearest 401(k) by assets is Amarillo Heart Group 401(k) and Profit Sharing Plan in TX ($12M); by covered participants it is Integrated Laboratory Systems, LLC 401(k) Plan in NC (106 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($12M here).

Similar participant headcount

Nearest other-state filings by covered participants (106 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 Onsemi Union Savings and Retirement Plan assets move in 2022? ▼
Onsemi Union Savings and Retirement Plan declined sharply - down 16.3% during 2022, from $15M to $12M. Reported net income was -$2M.
How have On Semiconductor Corporation plan assets changed over time? ▼
Across 2 plan years on file (2022-2023), On Semiconductor Corporation's sponsor-wide assets grew 9.6%, from $1.1B to $1.2B.
Which 401(k) plans are similar in size to Onsemi Union Savings and Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Amarillo Heart Group 401(k) and Profit Sharing Plan in TX ($12M, 146 participants).
Which 401(k) plans cover a similar participant headcount to Onsemi Union Savings and Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Integrated Laboratory Systems, LLC 401(k) Plan in NC (106 participants, N/A 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 363840979.

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.