401(k) · DOL Form 5500 · 2023

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

Data updated 2026-08-25

$126M
Total assets Near avg plan size
2,031
Participants Near avg headcount
93rd
Percentile by assets National rank
$62,059
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

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.

  • #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.

#16,621
in Manufacturing (18,722 peers)
+19.0%
assets growth YoY
1.3×
vs typical plan assets (national mean)

Uct Retirement Savings Plan's outsized position by total assets

Uct Retirement Savings Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$126,041,617 Top 7% higher than 93% of 127,068 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 2023

Uct Retirement Savings Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Uct Retirement Savings Plan lands in the large band (2,031 participants).

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 →

Form 5500 schedule snapshot

Filing strip 943144654 · Ultra Clean Technology Systems and Service, Inc. PY 2023 · 401(k)

Uct Retirement Savings Plan · $126M · 2,031 · 93rd

  • EIN $126M
  • EIN 2,031
  • EIN 93rd
  • EIN 401(k)
  • EIN near Genedx Holdings Corp. 401(k) Plan
  • EIN ind #16621

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 →

Uct Retirement Savings Plan in the asset neighbourhood

Forward Air Corporation 401(k) PlanForward Air Corporation 401(…$126MNumotion 401(k) Retirement PlanNumotion 401(k) Retirement P…$126MGenedx Holdings Corp. 401(k) PlanGenedx Holdings Corp. 401(k)…$126MA. W. Chesterton Company 401(k) PlanA. W. Chesterton Company 401…$126MUct Retirement Savings Plan$126M
End-of-year total assets ($M) among Uct Retirement Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

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.)

Sponsor-wide plan assets over time

All Ultra Clean Technology Systems and Service, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$147M 38.81308026683114% vs 2022
2024 filing year
$100M$120M$140M$160M 202220232024 $106M $147M ▲ +38.8%
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 Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Uct Retirement Savings Plan, Total assets ($B): 0.126041617 · Participants: 2031Uct Retirement Savings PlanWells Fargo & Company 401(k) Plan, Total assets ($B): 51.831350351 · Participants: 193919Wells Fargo & Company 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 39.047152408 · Participants: 122867Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 26.320437734 · Participants: 63105Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 22.17918189 · Participants: 59863Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 19.779511539 · Participants: 106111Apple 401(k) Plan
Uct Retirement Savings Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Uct Retirement Savings Plan side-by-side with 3 peers →

Uct Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Genedx Holdings Corp. 401(k) Plan in CT ($126M); by covered participants it is Midmark Corporation 401(k) Savings Plan in OH (2,032 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($126M here).

Similar participant headcount

Nearest other-state filings by covered participants (2,031 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

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).
Which 401(k) plans cover a similar participant headcount to Uct Retirement Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Midmark Corporation 401(k) Savings Plan in OH (2,032 participants, $317M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 943144654.

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.