401(k) · DOL Form 5500 · 2022

Mattek Corporation 401(k) Plan

Data updated 2026-08-25

$11M
Total assets Small plan by assets
64
Participants Small participant base
67th
Percentile by assets National rank
$172,288
Avg per participant Above avg balance/head
PlainRetire home → About this data

Official DOL plan name: Mattek Corporation 401(k) Plan · Sponsored by Mattek Corporation · Massachusetts · Professional & Technical Services

$11M in assets, 64 participants

Mattek Corporation's Mattek Corporation 401(k) Plan reported $11M in total assets and 64 participants in its 2022 DOL Form 5500 filing, ranking in the 67th 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.

  • #14,215 in Professional & Technical Services (21,562 peers)

2022 asset change

Mattek Corporation 401(k) Plan pulled back noticeably 13.6% in 2022 ($13M → $11M) for 64 participants.

#14,215
in Professional & Technical Services (21,562 peers)
-13.6%
assets change YoY

The plan reported a net loss of $2M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Mattek Corporation 401(k) Plan's outsized position by total assets

Mattek Corporation 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$11,026,463 Top 33% higher than 67% 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

Mattek Corporation 401(k) Plan among smaller filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Mattek Corporation 401(k) Plan is a small filing (64 participants) on this national headcount ladder.

Plan-year Form 5500 strip

Filing strip 042877744 · Mattek Corporation PY 2022 · 401(k)

Mattek Corporation 401(k) Plan · $11M · 64 · 67th

  • BOOK $11M
  • BOOK 64
  • BOOK 67th
  • BOOK 401(k)
  • BOOK near Pritchard Industries, LLC 401(k) Profit Sharing Plan
  • BOOK ind #14215

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 Professional & Technical Services retirement plans → · Plans in Massachusetts →

Mattek Corporation 401(k) Plan in the asset neighbourhood

Mattek Corporation 401(k) PlanMattek Corporation 401(k) Pl…$11MPritchard Industries, LLC 401(k) Profit Sharing PlanPritchard Industries, LLC 40…$11MSuncoast Internal Medicine Consultants, P.a. 401(k) Profit Sharing PlanSuncoast Internal Medicine C…$11MB & K Transportation, Inc. Employee Retirement and Savings PlanB & K Transportation, Inc. E…$11MJust Play LLC 401(k) Plan$11M
End-of-year total assets ($M) among Mattek Corporation 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

2022 asset-move particulars

Total Assets (Beginning of Year)$13M
Net Assets (End of Year)$11M
Net Income-$2M
Employer EIN042877744
Plan Effective Date1998-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Massachusetts

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

Mattek Corporation 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -100102030 Total assets ($B) Participants Mattek Corporation 401(k) Plan, Total assets ($B): 0.011026463 · Participants: 64Mattek Corporation 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 22.953563448 · Participants: 52036Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 8.79802945 · Participants: 32843Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 5.810585521 · Participants: 13690Massachusetts Institute of Technology Supplemental 401(k) PlanPhilips North America 401(k) Plan, Total assets ($B): 5.180251859 · Participants: 19750Philips North America 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 4.853752256 · Participants: 18359Boston Scientific Corporation 401(k) Retirement Savings Plan
Mattek Corporation 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Mattek Corporation 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Pritchard Industries, LLC 401(k) Profit Sharing Plan in NY ($11M); by covered participants it is Boise Floor Covering and Design Profit Sharing and 401(k) Plan in ID (64 participants). Same-state nearby plans are listed separately above.

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 Mattek Corporation 401(k) Plan assets move in 2022? ▼
Mattek Corporation 401(k) Plan pulled back noticeably - down 13.6% during 2022, from $13M to $11M. Reported net income was -$2M.
Which 401(k) plans are similar in size to Mattek Corporation 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Pritchard Industries, LLC 401(k) Profit Sharing Plan in NY ($11M, 2,123 participants).
Which 401(k) plans cover a similar participant headcount to Mattek Corporation 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Boise Floor Covering and Design Profit Sharing and 401(k) Plan in ID (64 participants, $4M in assets).