401(k) · DOL Form 5500 · 2023

Oasis Systems, LLC 401(k) Plan

Data updated 2026-08-25

$334M
Total assets Above avg plan size
1,934
Participants Near avg headcount
96th
Percentile by assets National rank
$172,716
Avg per participant Above avg balance/head
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Official DOL plan name: Oasis 401(k) Plan · Sponsored by Oasis Systems, LLC · Massachusetts · Professional & Technical Services

$334M in assets, 1,934 participants

Oasis Systems, LLC's Oasis 401(k) Plan reported $334M in total assets and 1,934 participants in its 2023 DOL Form 5500 filing, ranking in the 96th 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.

  • #19,795 in Professional & Technical Services (20,321 peers)

Coverage in Massachusetts

Oasis 401(k) Plan covers 1,934 participants in Massachusetts, 2.9x the typical Massachusetts plan (state average ~659 per filing). Assets: $334M.

#19,795
in Professional & Technical Services (20,321 peers)
+13.0%
assets growth YoY
3.4×
vs typical plan assets (national mean)

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

Oasis 401(k) Plan vs every filed plan by assets

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

$334,032,269 Top 4% higher than 96% 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

Oasis 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Oasis 401(k) Plan lands in the large band (1,934 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Oasis 401(k) Plan reported net income rose from -$8M in the plan year 2022 filing to $38M in the plan year 2023 filing.
  • Oasis 401(k) Plan end-of-year assets rose from $296M in the plan year 2022 filing to $334M in the plan year 2023 filing.
  • Oasis 401(k) Plan reported participants rose from 1,811 in the plan year 2022 filing to 1,934 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 043382761 · Oasis Systems, LLC PY 2023 · 401(k)

Oasis 401(k) Plan · $334M · 1,934 · 96th

  • VS-ST $334M
  • VS-ST 1,934
  • VS-ST 96th
  • VS-ST 401(k)
  • VS-ST near Fisher & Phillips LLP Savings and Profit Sharing Plan
  • VS-ST ind #19795

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 →

Oasis 401(k) Plan in the asset neighbourhood

Vallourec North America Retirement Savings PlanVallourec North America Reti…$334MWinnebago Industries, Inc. Profit Sharing and Deferred Savings and Investment PlanWinnebago Industries, Inc. P…$334MFisher & Phillips LLP Savings and Profit Sharing PlanFisher & Phillips LLP Saving…$334MOasis 401(k) Plan$334MBremer 401(k) Plan$334M
End-of-year total assets ($M) among Oasis 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Massachusetts filing particulars

Total Assets (Beginning of Year)$296M
Net Assets (End of Year)$334M
Net Income$38M
Employer EIN043382761
Plan Effective Date1998-09-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Oasis Systems, LLC)

Sponsor-wide plan assets over time

All Oasis Systems, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$334M 13.03236671661583% vs 2022
2023 filing year
$280M$300M$320M$340M 20222023 $296M $334M ▲ +13.0%
Year Plans Participants Total Assets
2022 1 1,811 $296M
2023 1 1,934 $334M

Nearby 401(k) Plans in Massachusetts

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

Oasis 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Oasis 401(k) Plan, Total assets ($B): 0.334032269 · Participants: 1934Oasis 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 28.649852331 · Participants: 62289Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 10.556596852 · Participants: 37052Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 6.829912863 · Participants: 14094Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 5.786107181 · Participants: 19881Boston Scientific Corporation 401(k) Retirement Savings PlanPhilips North America 401(k) Plan, Total assets ($B): 5.779286156 · Participants: 19120Philips North America 401(k) Plan
Oasis 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Oasis 401(k) Plan side-by-side with 3 peers →

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

Outside Massachusetts, the nearest 401(k) by assets is Fisher & Phillips LLP Savings and Profit Sharing Plan in GA ($334M); by covered participants it is Hubbell Incorporated Employee Savings & Investment Plan for Collectively Bargained Employees in CT (1,934 participants). Same-state nearby plans are listed separately above.

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 Oasis 401(k) Plan assets move in 2023? ▼
Oasis 401(k) Plan grew at a solid clip - up 13.0% during 2023, from $296M to $334M. Reported net income was $38M.
How have Oasis Systems, LLC plan assets changed over time? ▼
Across 2 plan years on file (2022-2023), Oasis Systems, LLC's sponsor-wide assets grew 13.0%, from $296M to $334M.
Where does Oasis 401(k) Plan rank by assets among Form 5500 filers? ▼
Oasis 401(k) Plan ranks in the 96th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Oasis 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Fisher & Phillips LLP Savings and Profit Sharing Plan in GA ($334M, 1,050 participants).
Which 401(k) plans cover a similar participant headcount to Oasis 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Hubbell Incorporated Employee Savings & Investment Plan for Collectively Bargained Employees in CT (1,934 participants, $56M 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 043382761.

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.