401(k) · DOL Form 5500 · 2023

Mattson Technology, Inc. 401(k) Plan

Data updated 2026-08-25

$62M
Total assets Below avg plan size
264
Participants Below avg headcount
88th
Percentile by assets National rank
$234,468
Avg per participant Above avg balance/head
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Official DOL plan name: Mattson Technology, Inc. 401(k) Plan · Sponsored by Mattson Technology, Inc. · California · Manufacturing

$62M in assets, 264 participants

Mattson Technology, Inc.'s Mattson Technology, Inc. 401(k) Plan reported $62M in total assets and 264 participants in its 2023 DOL Form 5500 filing, ranking in the 88th 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.

  • #15,305 in Manufacturing (18,722 peers)

Coverage in California

Mattson Technology, Inc. 401(k) Plan covers 264 participants in California, about 42% of the average California filer (state average ~630 per filing). Assets: $62M.

#15,305
in Manufacturing (18,722 peers)
+21.8%
assets growth YoY
0.6×
vs typical plan assets (national mean)

Mattson Technology, Inc. 401(k) Plan's outsized position by total assets

Mattson Technology, Inc. 401(k) Plan vs every filed plan by assets

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

$61,899,425 Top 12% higher than 88% 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

Mattson Technology, Inc. 401(k) Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Mattson Technology, Inc. 401(k) Plan sits mid-pack in the medium band (264 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Mattson Technology, Inc. 401(k) Plan reported net income rose from -$12M in the plan year 2022 filing to $11M in the plan year 2023 filing.
  • Mattson Technology, Inc. 401(k) Plan end-of-year assets rose from $51M in the plan year 2022 filing to $62M in the plan year 2023 filing.
  • Mattson Technology, Inc. 401(k) Plan reported participants rose from 229 in the plan year 2022 filing to 264 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 770208119 · Mattson Technology, Inc. PY 2023 · 401(k)

Mattson Technology, Inc. 401(k) Plan · $62M · 264 · 88th

  • ASSETS $62M
  • PCT 264
  • EIN 88th
  • RANK 401(k)
  • PHOTO near Ubg 401(k) - Agtegra
  • IND ind #15305

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 →

Mattson Technology, Inc. 401(k) Plan in the asset neighbourhood

David's Bridal 401(k) Retirement PlanDavid's Bridal 401(k) Retire…$62MUbg 401(k) - Agtegra$62MMattson Technology, Inc. 401(k) PlanMattson Technology, Inc. 401…$62MCsw Industrials, Inc. Employee Savings PlanCsw Industrials, Inc. Employ…$62MCascade Engineering, Inc. Retirement PlanCascade Engineering, Inc. Re…$62M
End-of-year total assets ($M) among Mattson Technology, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

California filing particulars

Total Assets (Beginning of Year)$51M
Net Assets (End of Year)$62M
Net Income$11M
Employer EIN770208119
Plan Effective Date1994-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mattson Technology, Inc.)

Sponsor-wide plan assets over time

All Mattson Technology, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$64M 26.521716410529688% vs 2022
2024 filing year
$45M$50M$55M$60M$65M$70M 202220232024 $50.8M $64.3M ▲ +26.5%
Year Plans Participants Total Assets
2022 1 229 $51M
2023 1 264 $62M
2024 1 276 $64M

Nearby 401(k) Plans in California

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

Mattson Technology, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Mattson Technology, Inc. 401(k) Plan, Total assets ($B): 0.061899425 · Participants: 264Mattson Technology, Inc. 401(k) 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
Mattson Technology, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Mattson Technology, Inc. 401(k) Plan side-by-side with 3 peers →

Mattson Technology, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Ubg 401(k) - Agtegra in SD ($62M); by covered participants it is Rocky Mountain Ser/Jobs for Progress Employee Retirement Plan in CO (264 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($62M here).

Similar participant headcount

Nearest other-state filings by covered participants (264 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 Mattson Technology, Inc. 401(k) Plan assets move in 2023? ▼
Mattson Technology, Inc. 401(k) Plan grew sharply - up 21.8% during 2023, from $51M to $62M. Reported net income was $11M.
How have Mattson Technology, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mattson Technology, Inc.'s sponsor-wide assets grew 26.5%, from $51M to $64M.
Where does Mattson Technology, Inc. 401(k) Plan rank by assets among Form 5500 filers? ▼
Mattson Technology, Inc. 401(k) Plan ranks in the 88th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Mattson Technology, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Ubg 401(k) - Agtegra in SD ($62M, 859 participants).
Which 401(k) plans cover a similar participant headcount to Mattson Technology, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Rocky Mountain Ser/Jobs for Progress Employee Retirement Plan in CO (264 participants, $4M 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 770208119.

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.