401(k) · DOL Form 5500 · 2023

Ultra Clean Technology Systems and Service, Inc. 401(k) Plan

Data updated 2026-08-11

$126M
Total assets
2,031
Participants
93rd
Percentile by assets
$62,059
Avg per participant
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Official DOL plan name: Uct Retirement Savings Plan · Sponsored by Ultra Clean Technology Systems and Service, Inc. · California · Manufacturing

$126M in assets, 2,031 participants

Ultra Clean Technology Systems and Service, Inc.'s Uct Retirement Savings Plan reported $126M in total assets and 2,031 participants in its 2023 DOL Form 5500 filing, ranking in the 93rd 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.

  • 93rd percentile by assets (of 127,072 plans)
  • #16,621 in Manufacturing (18,722 peers)

Coverage in California

Uct Retirement Savings Plan covers 2,031 participants in California, 3.2x the typical California plan (state average ~630 per filing). Assets: $126M.

$126M
total plan assets (2023 EOY)
2,031
covered participants
93rd
percentile by assets (of 127,072 plans)
$62,059
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Uct Retirement Savings Plan reported net income rose from -$12M in the plan year 2022 filing to $20M in the plan year 2023 filing.
  • Uct Retirement Savings Plan end-of-year assets rose from $106M in the plan year 2022 filing to $126M in the plan year 2023 filing.
  • Uct Retirement Savings Plan reported participants rose from 1,778 in the plan year 2022 filing to 2,031 in the plan year 2023 filing.

See the national 2022→2023 release diff →

State
Industry

Participants vs California filers

In California, the average filing covers about 630 participants across 15,291 plans. Uct Retirement Savings Plan reports 2,031 participants - 3.2x that state average ($126M EOY assets).

California filing particulars

Total Assets (Beginning of Year)$106M
Net Assets (End of Year)$126M
Net Income$20M
Employer EIN943144654
Plan Effective Date1996-11-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Ultra Clean Technology Systems and Service, Inc.)

$100M$120M$140M$160M 202220232024 $106M $147M ▲ +38.8%
Total plan assets by year, all Ultra Clean Technology Systems and Service, Inc. plans on file
Year Plans Participants Total Assets
2022 1 1,778 $106M
2023 1 2,031 $126M
2024 1 1,774 $147M

Nearby 401(k) Plans in California

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

Uct Retirement Savings Plan vs. nearby 401(k) plans in California, assets vs. participants

Uct Retirement Savings Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Uct Retirement Savin…Wells Fargo & Compan…Google LLC 401(k) Sa…Oracle Corporation 4…Intel 401(k) Savings…Apple 401(k) Plan
Uct Retirement Savings Plan vs. nearby 401(k) plans in California, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Uct Retirement Savings Plan by total assets, not by location.

Frequently Asked Questions

How did Uct Retirement Savings Plan assets move in 2023?
Uct Retirement Savings Plan grew sharply - up 19.0% during 2023, from $106M to $126M. Reported net income was $20M.
How have Ultra Clean Technology Systems and Service, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Ultra Clean Technology Systems and Service, Inc.'s sponsor-wide assets grew 38.8%, from $106M to $147M.
Where does Uct Retirement Savings Plan rank by assets among Form 5500 filers?
Uct Retirement Savings Plan ranks in the 93rd percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Uct Retirement Savings Plan?
Among 401(k) plans in other states, the closest by assets is Genedx Holdings Corp. 401(k) Plan in CT ($126M, 1,537 participants).

Filing takeaways

Ways to act on Uct Retirement Savings Plan's numbers.

  • By total assets, Uct Retirement Savings Plan ranks in the top 10% of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar 401(k) plans in California. Compare plans
  • Ultra Clean Technology Systems and Service, Inc.'s sponsor-wide assets have grown 38.8% since 2022 across 3 plan years on file. More Manufacturing plans