401(k) · DOL Form 5500 · 2024

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

Data updated 2026-08-25

$105M
Total assets Near avg plan size
769
Participants Near avg headcount
91st
Percentile by assets National rank
$136,950
Avg per participant Near 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

$105M in assets, 769 participants

Alpha & Omega Semiconductor, Inc.'s Alpha & Omega Semiconductor, Inc. 401(k) Plan reported $105M in total assets and 769 participants in its 2024 DOL Form 5500 filing, ranking in the 91st 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.

  • #15,355 in Manufacturing (17,777 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, $105M for 769 participants (~$136,950/participant), up 26.9% in 2024.

#15,355
in Manufacturing (17,777 peers)
+26.9%
assets growth YoY
1.1×
vs typical plan assets (national mean)

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 2024 · DOL Form 5500

$105,314,741 Top 9% higher than 91% 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

Alpha & Omega Semiconductor, Inc. 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 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 (769 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Alpha & Omega Semiconductor, Inc. 401(k) Plan end-of-year assets rose from $83M in the plan year 2023 filing to $105M in the plan year 2024 filing.
  • Alpha & Omega Semiconductor, Inc. 401(k) Plan reported net income rose from $19M in the plan year 2023 filing to $22M in the plan year 2024 filing.
  • Alpha & Omega Semiconductor, Inc. 401(k) Plan reported participants fell from 790 in the plan year 2023 filing to 769 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 770553536 · Alpha & Omega Semiconductor, Inc. PY 2024 · 401(k)

Alpha & Omega Semiconductor, Inc. 401(k) Plan · $105M · 769 · 91st

  • PCT $105M
  • EIN 769
  • RANK 91st
  • PHOTO 401(k)
  • IND near Krieg Devault Profit Sharing Plan
  • EOY ind #15355

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

Kellanova Pringles Savings and Investment PlanKellanova Pringles Savings a…$105MKrieg Devault Profit Sharing PlanKrieg Devault Profit Sharing…$105MAlpha & Omega Semiconductor, Inc. 401(k) PlanAlpha & Omega Semiconductor,…$105MCrocs, Inc. 401(k) Plan$105MNufarm Americas, Inc. Retirement Income PlanNufarm Americas, Inc. Retire…$105M
End-of-year total assets ($M) among Alpha & Omega Semiconductor, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$83M
Net Assets (End of Year)$105M
Net Income$22M
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. -50000050000100000150000 -200204060 Total assets ($B) Participants Alpha & Omega Semiconductor, Inc. 401(k) Plan, Total assets ($B): 0.105314741 · Participants: 769Alpha & Omega Semiconductor, Inc. 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 48.738057415 · Participants: 116712Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 31.02646504 · Participants: 58962Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 24.850880304 · Participants: 55298Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 24.714519387 · Participants: 101450Apple 401(k) PlanCisco Systems,Inc. 401(k) Plan, Total assets ($B): 22.728425546 · Participants: 40452Cisco Systems,Inc. 401(k) 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 Krieg Devault Profit Sharing Plan in IN ($105M); by covered participants it is St. Louis Cardinals Savings Plan in MO (769 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($105M here).

Similar participant headcount

Nearest other-state filings by covered participants (769 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 Alpha & Omega Semiconductor, Inc. 401(k) Plan assets move in 2024? ▼
Alpha & Omega Semiconductor, Inc. 401(k) Plan grew sharply - up 26.9% during 2024, from $83M to $105M. Reported net income was $22M.
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 91st percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (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 Krieg Devault Profit Sharing Plan in IN ($105M, 162 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 St. Louis Cardinals Savings Plan in MO (769 participants, $40M 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 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.