401(k) · DOL Form 5500 · 2022

Alpha & Omega Semiconductor, Inc. 401(k) Plan

Data updated 2026-08-25

$64M
Total assets Below avg plan size
656
Participants Below avg headcount
90th
Percentile by assets National rank
$97,007
Avg per participant Below avg balance/head
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Official DOL plan name: Alpha & Omega Semiconductor, Inc. 401(k) Plan · Sponsored by Alpha & Omega Semiconductor, Inc. · California · Manufacturing

$64M in assets, 656 participants

Alpha & Omega Semiconductor, Inc.'s Alpha & Omega Semiconductor, Inc. 401(k) Plan reported $64M in total assets and 656 participants in its 2022 DOL Form 5500 filing, ranking in the 90th 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.

  • #17,508 in Manufacturing (20,602 peers)

Where Alpha & Omega Semiconductor, Inc. 401(k) Plan sits by assets

Alpha & Omega Semiconductor, Inc. 401(k) Plan sits in the top 10% of all filed plans by assets, $64M for 656 participants (~$97,007/participant), down 4.1% in 2022.

#17,508
in Manufacturing (20,602 peers)
-4.1%
assets change YoY
0.6×
vs typical plan assets (national mean)

The plan reported a net loss of $3M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Alpha & Omega Semiconductor, Inc. 401(k) Plan's outsized position by total assets

Alpha & Omega Semiconductor, Inc. 401(k) Plan vs every filed plan by assets

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

$63,636,635 Top 10% higher than 90% 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

Alpha & Omega Semiconductor, Inc. 401(k) 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. Alpha & Omega Semiconductor, Inc. 401(k) Plan sits mid-pack in the medium band (656 participants).

Form 5500 schedule snapshot

Filing strip 770553536 · Alpha & Omega Semiconductor, Inc. PY 2022 · 401(k)

Alpha & Omega Semiconductor, Inc. 401(k) Plan · $64M · 656 · 90th

  • EBSA $64M
  • PART 656
  • TYPE 90th
  • NET 401(k)
  • BOOK near Vaisala Inc. 401(k) Plan
  • VS-ST ind #17508

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 California →

Alpha & Omega Semiconductor, Inc. 401(k) Plan in the asset neighbourhood

Centro, Inc. 401(k) Profit Sharing PlanCentro, Inc. 401(k) Profit S…$64MPreferred Primary Care Physicians, Inc. 401(k) Profit Sharing PlanPreferred Primary Care Physi…$64MAlpha & Omega Semiconductor, Inc. 401(k) PlanAlpha & Omega Semiconductor,…$64MVaisala Inc. 401(k) Plan$64MEquity Lifestyle Properties, Inc. Retirement Savings PlanEquity Lifestyle Properties,…$64M
End-of-year total assets ($M) among Alpha & Omega Semiconductor, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$66M
Net Assets (End of Year)$64M
Net Income-$3M
Employer EIN770553536
Plan Effective Date2004-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Alpha & Omega Semiconductor, Inc.)

Sponsor-wide plan assets over time

All Alpha & Omega Semiconductor, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$105M 65.49388728678063% vs 2022
2024 filing year
$40M$60M$80M$100M$120M 202220232024 $63.6M $105M ▲ +65.5%
Year Plans Participants Total Assets
2022 1 656 $64M
2023 1 790 $83M
2024 1 769 $105M

Nearby 401(k) Plans in California

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

Alpha & Omega Semiconductor, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Alpha & Omega Semiconductor, Inc. 401(k) Plan, Total assets ($B): 0.063636635 · Participants: 656Alpha & Omega Semiconductor, Inc. 401(k) PlanWells Fargo & Company 401(k) Plan, Total assets ($B): 45.765616608 · Participants: 205865Wells Fargo & Company 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 28.89820221 · Participants: 102963Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 21.851716605 · Participants: 46320Oracle Corporation 401(k) Savings and Investment PlanChevron Employee Savings Investment Plan, Total assets ($B): 18.60989746 · Participants: 19946Chevron Employee Savings Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 18.361585903 · Participants: 54672Intel 401(k) Savings Plan
Alpha & Omega Semiconductor, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Alpha & Omega Semiconductor, Inc. 401(k) Plan side-by-side with 3 peers →

Alpha & Omega Semiconductor, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Vaisala Inc. 401(k) Plan in CO ($64M); by covered participants it is The Murphy Oil Corporation 401(k) Plan in TX (656 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (656 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 Alpha & Omega Semiconductor, Inc. 401(k) Plan assets move in 2022? ▼
Alpha & Omega Semiconductor, Inc. 401(k) Plan edged down modestly - down 4.1% during 2022, from $66M to $64M. Reported net income was -$3M.
How have Alpha & Omega Semiconductor, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Alpha & Omega Semiconductor, Inc.'s sponsor-wide assets grew 65.5%, from $64M to $105M.
Where does Alpha & Omega Semiconductor, Inc. 401(k) Plan rank by assets among Form 5500 filers? ▼
Alpha & Omega Semiconductor, Inc. 401(k) Plan ranks in the 90th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Alpha & Omega Semiconductor, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Vaisala Inc. 401(k) Plan in CO ($64M, 252 participants).
Which 401(k) plans cover a similar participant headcount to Alpha & Omega Semiconductor, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is The Murphy Oil Corporation 401(k) Plan in TX (656 participants, $187M 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 770553536.

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.