401(k) · DOL Form 5500 · 2022

Mattson Technology, Inc. 401(k) Plan

Data updated 2026-08-25

$51M
Total assets Below avg plan size
229
Participants Below avg headcount
88th
Percentile by assets National rank
$221,868
Avg per participant Above avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Mattson Technology, Inc. 401(k) Plan · Sponsored by Mattson Technology, Inc. · California · Manufacturing

$51M in assets, 229 participants

Mattson Technology, Inc.'s Mattson Technology, Inc. 401(k) Plan reported $51M in total assets and 229 participants in its 2022 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.

  • #16,992 in Manufacturing (20,602 peers)

Coverage in California

Mattson Technology, Inc. 401(k) Plan covers 229 participants in California, about 36% of the average California filer (state average ~630 per filing). Assets: $51M.

#16,992
in Manufacturing (20,602 peers)
-19.2%
assets change YoY
0.5×
vs typical plan assets (national mean)

The plan reported a net loss of $12M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

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 2022 · DOL Form 5500

$50,807,775 Top 12% higher than 88% 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

Mattson Technology, 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. Mattson Technology, Inc. 401(k) Plan sits mid-pack in the medium band (229 participants).

DOL schedule card

Filing strip 770208119 · Mattson Technology, Inc. PY 2022 · 401(k)

Mattson Technology, Inc. 401(k) Plan · $51M · 229 · 88th

  • IND $51M
  • IND 229
  • IND 88th
  • IND 401(k)
  • IND near Imcd Holdings U.S., Inc. 401(k) Plan
  • IND ind #16992

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

Madison Marquette 401(k) Plan$51MImcd Holdings U.S., Inc. 401(k) PlanImcd Holdings U.S., Inc. 401…$51MB1bank Employee Retirement Plan and TrustB1bank Employee Retirement P…$51MMattson Technology, Inc. 401(k) PlanMattson Technology, Inc. 401…$51MFirst Financial Bank 401(k) Profit Sharing and Employee Stock Ownership Savings PlanFirst Financial Bank 401(k) …$51M
End-of-year total assets ($M) among Mattson Technology, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

California filing particulars

Total Assets (Beginning of Year)$63M
Net Assets (End of Year)$51M
Net Income-$12M
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): 0.050807775 · Participants: 229Mattson Technology, 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
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 Imcd Holdings U.S., Inc. 401(k) Plan in OH ($51M); by covered participants it is Eastern Bag & Paper Company, Inc. 401(k) Plan in CT (229 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (229 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 Mattson Technology, Inc. 401(k) Plan assets move in 2022? ▼
Mattson Technology, Inc. 401(k) Plan declined sharply - down 19.2% during 2022, from $63M to $51M. Reported net income was -$12M.
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 139,126 plans that reported assets for plan year 2022 (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 Imcd Holdings U.S., Inc. 401(k) Plan in OH ($51M, 339 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 Eastern Bag & Paper Company, Inc. 401(k) Plan in CT (229 participants, N/A 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 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.