401(k) · DOL Form 5500 · 2022

Mks Instruments, Inc. 401(k) Plan

Data updated 2026-08-11

$633M
Total assets
2,719
Participants
98th
Percentile by assets
$232,856
Avg per participant
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Official DOL plan name: Mks Instruments, Inc. Profit Sharing & 401(k) Plan · Sponsored by Mks Instruments, Inc. · Massachusetts · Manufacturing

$633M in assets, 2,719 participants

Mks Instruments, Inc.'s Mks Instruments, Inc. Profit Sharing & 401(k) Plan reported $633M in total assets and 2,719 participants in its 2022 DOL Form 5500 filing, ranking in the 98th 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.

  • 98th percentile by assets (of 139,126 plans)
  • #20,002 in Manufacturing (20,602 peers)

Coverage in Massachusetts

Mks Instruments, Inc. Profit Sharing & 401(k) Plan covers 2,719 participants in Massachusetts, 4.1x the typical Massachusetts plan (state average ~659 per filing). Assets: $633M.

$633M
total plan assets (2022 EOY)
2,719
covered participants
98th
percentile by assets (of 139,126 plans)
$232,856
avg assets per participant

The plan reported a net loss of $147M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Industry

Participants vs Massachusetts filers

In Massachusetts, the average filing covers about 659 participants across 4,265 plans. Mks Instruments, Inc. Profit Sharing & 401(k) Plan reports 2,719 participants - 4.1x that state average ($633M EOY assets).

Massachusetts filing particulars

Total Assets (Beginning of Year)$780M
Net Assets (End of Year)$633M
Net Income-$147M
Employer EIN042277512
Plan Effective Date1978-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mks Instruments, Inc.)

$600M$700M$800M$900M 202220232024 $633M $840M ▲ +32.6%
Total plan assets by year, all Mks Instruments, Inc. plans on file
Year Plans Participants Total Assets
2022 1 2,719 $633M
2023 1 2,991 $765M
2024 1 2,770 $840M

Nearby 401(k) Plans in Massachusetts

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

Mks Instruments, Inc. Profit Sharing & 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Mks Instruments, Inc. Profit Sharing & 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. 0200004000060000 -50510152025 Total assets ($B) Participants Mks Instruments, Inc…Fidelity Retirement …Liberty Mutual 401(k…Massachusetts Instit…Philips North Americ…Boston Scientific Co…
Mks Instruments, Inc. Profit Sharing & 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Mks Instruments, Inc. Profit Sharing & 401(k) Plan by total assets, not by location.

Frequently Asked Questions

How did Mks Instruments, Inc. Profit Sharing & 401(k) Plan assets move in 2022?
Mks Instruments, Inc. Profit Sharing & 401(k) Plan declined sharply - down 18.8% during 2022, from $780M to $633M. Reported net income was -$147M.
How have Mks Instruments, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Mks Instruments, Inc.'s sponsor-wide assets grew 32.6%, from $633M to $840M.
Where does Mks Instruments, Inc. Profit Sharing & 401(k) Plan rank by assets among Form 5500 filers?
Mks Instruments, Inc. Profit Sharing & 401(k) Plan ranks in the 98th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Mks Instruments, Inc. Profit Sharing & 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Amsted Industries Incorporated Employees Capital Accumulation Plan in IL ($633M, 4,917 participants).

Next read for Mks Instruments, Inc. Profit Sharing & 4…

Filing takeaways

Ways to act on Mks Instruments, Inc. Profit Sharing & 401(k) Plan's numbers.

  • By total assets, Mks Instruments, Inc. Profit Sharing & 401(k) Plan ranks in the top 5% of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar 401(k) plans in Massachusetts. Compare plans
  • Mks Instruments, Inc.'s sponsor-wide assets have grown 32.6% since 2022 across 3 plan years on file. More Manufacturing plans