401(k) · DOL Form 5500 · 2023
On Semiconductor Corporation 401(k) Plan
Data updated 2026-08-11
- $1.2B
- Total assets
- 3,121
- Participants
- 99th
- Percentile by assets
- $385,287
- Avg per participant
Official DOL plan name: Onsemi 401(k) Plan · Sponsored by On Semiconductor Corporation · Arizona · Manufacturing
$1.2B in assets, 3,121 participants
On Semiconductor Corporation's Onsemi 401(k) Plan reported $1.2B in total assets and 3,121 participants in its 2023 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.
- 99th percentile by assets (of 127,072 plans)
- #18,332 in Manufacturing (18,722 peers)
Coverage in Arizona
Onsemi 401(k) Plan covers 3,121 participants in Arizona, 5.5x the typical Arizona plan (state average ~564 per filing). Assets: $1.2B.
- $1.2B
- total plan assets (2023 EOY)
- 3,121
- covered participants
- 99th
- percentile by assets (of 127,072 plans)
- $385,287
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- Onsemi 401(k) Plan reported net income rose from -$284M in the plan year 2022 filing to $104M in the plan year 2023 filing.
- Onsemi 401(k) Plan reported participants fell from 3,556 in the plan year 2022 filing to 3,121 in the plan year 2023 filing.
- Onsemi 401(k) Plan end-of-year assets rose from $1.1B in the plan year 2022 filing to $1.2B in the plan year 2023 filing.
Participants vs Arizona filers
In Arizona, the average filing covers about 564 participants across 2,304 plans. Onsemi 401(k) Plan reports 3,121 participants - 5.5x that state average ($1.2B EOY assets).
Arizona filing particulars
| Total Assets (Beginning of Year) | $1.1B |
|---|---|
| Net Assets (End of Year) | $1.2B |
| Net Income | $104M |
| Employer EIN | 363840979 |
| Plan Effective Date | 1999-08-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (On Semiconductor Corporation)
| 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 401(k) Plan vs. nearby 401(k) plans in Arizona, assets vs. participants
- Bechtel Trust & Thrift Plan $5.7B · 7,448
- Banner Health Employees 401(k) Plan $4.3B · 52,452
- Republic Services, Inc. 401(k) Plan $2.4B · 28,131
- Freeport-Mcmoran Inc. Employee Capital Accumulation Program $2.3B · 13,105
- Stantec 401(k) Plan $2.0B · 10,719
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Onsemi 401(k) Plan by total assets, not by location.
- Crowe LLP Retirement Plan (IN) $1.2B · 5,058
- Perkins Coie Retirement and 401(k) Plan (WA) $1.2B · 1,871
- Mw&e Savings and Retirement Plan (IL) $1.2B · 1,998
- Xl America, Inc. Employee Savings Plan (CT) $1.2B · 2,131
Frequently Asked Questions
How did Onsemi 401(k) Plan assets move in 2023? ▼
How have On Semiconductor Corporation plan assets changed over time? ▼
Where does Onsemi 401(k) Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Onsemi 401(k) Plan? ▼
Next read for Onsemi 401(k) Plan
Filing takeaways
Ways to act on Onsemi 401(k) Plan's numbers.
- By total assets, Onsemi 401(k) Plan ranks among the largest 1% of all filed plans. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in Arizona. Compare plans
- On Semiconductor Corporation's sponsor-wide assets have grown 9.6% since 2022 across 2 plan years on file. More Manufacturing plans