401(k) · DOL Form 5500 · 2022

Mks Instruments, Inc. 401(k) Plan

Data updated 2026-08-25

$633M
Total assets Above avg plan size
2,719
Participants Above avg headcount
98th
Percentile by assets National rank
$232,856
Avg per participant Above avg balance/head
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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.

  • #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.

#20,002
in Manufacturing (20,602 peers)
-18.8%
assets change YoY
6.4×
vs typical plan assets (national mean)

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.

Mks Instruments, Inc. Profit Sharing & 401(k) Plan's outsized position by total assets

Mks Instruments, Inc. Profit Sharing & 401(k) Plan vs every filed plan by assets

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

$633,134,358 Top 2% higher than 98% 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

Mks Instruments, Inc. Profit Sharing & 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Mks Instruments, Inc. Profit Sharing & 401(k) Plan lands in the large band (2,719 participants).

Plan-year Form 5500 strip

Filing strip 042277512 · Mks Instruments, Inc. PY 2022 · 401(k)

Mks Instruments, Inc. Profit Sharing & 401(k) Plan · $633M · 2,719 · 98th

  • TYPE $633M
  • TYPE 2,719
  • TYPE 98th
  • TYPE 401(k)
  • TYPE near Amsted Industries Incorporated Employees Capital Accumulation Plan
  • TYPE ind #20002

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 Massachusetts →

Mks Instruments, Inc. Profit Sharing & 401(k) Plan in the asset neighbourhood

Qbe 401(k) Savings Plan$634MJ.M. Huber Coporation 401(k) Savings PlanJ.M. Huber Coporation 401(k)…$634MMks Instruments, Inc. Profit Sharing & 401(k) PlanMks Instruments, Inc. Profit…$633MAmsted Industries Incorporated Employees Capital Accumulation PlanAmsted Industries Incorporat…$633MOge Energy Corp. ESOP & Retirement Savings PlanOge Energy Corp. ESOP & Reti…$633M
End-of-year total assets ($M) among Mks Instruments, Inc. Profit Sharing & 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

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.)

Sponsor-wide plan assets over time

All Mks Instruments, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$840M 32.6050558450344% vs 2022
2024 filing year
$600M$700M$800M$900M 202220232024 $633M $840M ▲ +32.6%
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 Scatter plot of 6 data points. 0200004000060000 -50510152025 Total assets ($B) Participants Mks Instruments, Inc. Profit Sharing & 401(k) Plan, Total assets ($B): 0.633134358 · Participants: 2719Mks Instruments, Inc. Profit Sharing & 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
Mks Instruments, Inc. Profit Sharing & 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Mks Instruments, Inc. Profit Sharing & 401(k) Plan side-by-side with 3 peers →

Mks Instruments, Inc. Profit Sharing & 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Amsted Industries Incorporated Employees Capital Accumulation Plan in IL ($633M); by covered participants it is Agua Caliente Band of Cahuilla Indians/Spa Hotel & Casino 401(k) Plan in CA (2,720 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($633M here).

Similar participant headcount

Nearest other-state filings by covered participants (2,719 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 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).
Which 401(k) plans cover a similar participant headcount to Mks Instruments, Inc. Profit Sharing & 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Agua Caliente Band of Cahuilla Indians/Spa Hotel & Casino 401(k) Plan in CA (2,720 participants, $69M 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 042277512.

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.