401(k) · DOL Form 5500 · 2022
On Semiconductor Corporation 401(k) Plan
Data updated 2026-08-25
- $1.1B
- Total assets Very large vs avg
- 3,556
- Participants Above avg headcount
- 99th
- Percentile by assets National rank
- $308,372
- Avg per participant High balance/head
Official DOL plan name: Onsemi 401(k) Plan · Sponsored by On Semiconductor Corporation · Arizona · Manufacturing
$1.1B in assets, 3,556 participants
On Semiconductor Corporation's Onsemi 401(k) Plan reported $1.1B in total assets and 3,556 participants in its 2022 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.
- #20,227 in Manufacturing (20,602 peers)
Coverage in Arizona
Onsemi 401(k) Plan covers 3,556 participants in Arizona, 6.3x the typical Arizona plan (state average ~564 per filing). Assets: $1.1B.
- #20,227
- in Manufacturing (20,602 peers)
- -20.6%
- assets change YoY
- 11×
- vs typical plan assets (national mean)
The plan reported a net loss of $284M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
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 2022 · DOL Form 5500
$1,096,569,224 Top 1% higher than 99% of 139,123 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022
Onsemi 401(k) Plan's large-plan peer group by participant headcount
Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Onsemi 401(k) Plan lands in the large band (3,556 participants).
Plan-year Form 5500 strip
Filing strip 363840979 · On Semiconductor Corporation PY 2022 · 401(k)
Onsemi 401(k) Plan · $1.1B · 3,556 · 99th
- BOY $1.1B
- BOY 3,556
- BOY 99th
- BOY 401(k)
- BOY near Aerojet Rocketdyne Retirement Savings Plan
- BOY ind #20227
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
Arizona filing particulars
| Total Assets (Beginning of Year) | $1.4B |
|---|---|
| Net Assets (End of Year) | $1.1B |
| Net Income | -$284M |
| Employer EIN | 363840979 |
| Plan Effective Date | 1999-08-01 |
| Filing Status | FILING 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
| 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.
- Banner Health Employees 401(k) Plan $3.6B · 50,602
- Freeport-Mcmoran Inc. Employee Capital Accumulation Program $1.9B · 12,362
- Republic Services, Inc. 401(k) Plan $1.8B · 28,320
- Stantec 401(k) Plan $1.7B · 8,764
- Reliance Steel & Aluminum Co. Master 401(k) Plan $1.3B · 9,895
Onsemi 401(k) Plan's out-of-state 401(k) peers by assets and headcount
Outside Arizona, the nearest 401(k) by assets is Aerojet Rocketdyne Retirement Savings Plan in CA ($1.1B); by covered participants it is Utz Quality Foods, LLC Profit Sharing/401(k) Plan in PA (3,556 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($1.1B here).
- Aerojet Rocketdyne Retirement Savings Plan (CA) $1.1B · 6,668
- Gibson, Dunn & Crutcher LLP Retirement Plan (CA) $1.1B · 2,202
- Hanford Operations and Engineering Investment Plan (WA) $1.1B · 4,186
- Savings Program for Employees of Consolidated Nuclear Security, LLC at the U.S. Department of Energy Facilities at Oak Ridge, Tennessee (TN) $1.1B · 5,711
Similar participant headcount
Nearest other-state filings by covered participants (3,556 participants); asset peers above are excluded.
- Utz Quality Foods, LLC Profit Sharing/401(k) Plan (PA) 3,556 · 0 off
- Prime Therapeutics LLC 401(k) Plan (MN) 3,558 · 2 off
- Books-a-Million, Inc. 401(k) Plan (AL) 3,559 · 3 off
- Coherent Corp. 401(k) Profit Sharing Plan (PA) 3,552 · 4 off
DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.