401(k) · DOL Form 5500 · 2023

Senior Operations LLC 401(k) Plan

Data updated 2026-08-25

$339M
Total assets Above avg plan size
2,164
Participants Above avg headcount
96th
Percentile by assets National rank
$156,784
Avg per participant Above avg balance/head
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Official DOL plan name: Senior Operations LLC 401(k) Profit Sharing Investment Plan · Sponsored by Senior Operations LLC · Illinois · Manufacturing

$339M in assets, 2,164 participants

Senior Operations LLC's Senior Operations LLC 401(k) Profit Sharing Investment Plan reported $339M in total assets and 2,164 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.

  • #17,668 in Manufacturing (18,722 peers)

Coverage in Illinois

Senior Operations LLC 401(k) Profit Sharing Investment Plan covers 2,164 participants in Illinois, 2.8x the typical Illinois plan (state average ~779 per filing). Assets: $339M.

#17,668
in Manufacturing (18,722 peers)
+11.8%
assets growth YoY
3.4×
vs typical plan assets (national mean)

Senior Operations LLC 401(k) Profit Sharing Investment Plan's outsized position by total assets

Senior Operations LLC 401(k) Profit Sharing Investment Plan vs every filed plan by assets

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

$339,281,486 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

Senior Operations LLC 401(k) Profit Sharing Investment 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. Senior Operations LLC 401(k) Profit Sharing Investment Plan lands in the large band (2,164 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Senior Operations LLC 401(k) Profit Sharing Investment Plan reported net income rose from -$75M in the plan year 2022 filing to $36M in the plan year 2023 filing.
  • Senior Operations LLC 401(k) Profit Sharing Investment Plan end-of-year assets rose from $303M in the plan year 2022 filing to $339M in the plan year 2023 filing.
  • Senior Operations LLC 401(k) Profit Sharing Investment Plan reported participants rose from 2,128 in the plan year 2022 filing to 2,164 in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 942918781 · Senior Operations LLC PY 2023 · 401(k)

Senior Operations LLC 401(k) Profit Sharing Investment Plan · $339M · 2,164 · 96th

  • NET $339M
  • NET 2,164
  • NET 96th
  • NET 401(k)
  • NET near Meritus Health 401(k) Savings Plan
  • NET ind #17668

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 Illinois →

Senior Operations LLC 401(k) Profit Sharing Investment Plan in the asset neighbourhood

Premise Health 401(k) Plan$339MMeritus Health 401(k) Savings PlanMeritus Health 401(k) Saving…$339MSenior Operations LLC 401(k) Profit Sharing Investment PlanSenior Operations LLC 401(k)…$339MZurn Elkay 401(k) Plan$339MCommunity Hospital of the Monterey Peninsula Tax-Sheltered Annuity PlanCommunity Hospital of the Mo…$339M
End-of-year total assets ($M) among Senior Operations LLC 401(k) Profit Sharing Investment Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Illinois filing particulars

Total Assets (Beginning of Year)$303M
Net Assets (End of Year)$339M
Net Income$36M
Employer EIN942918781
Plan Effective Date1984-02-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Senior Operations LLC)

Sponsor-wide plan assets over time

All Senior Operations LLC plans reported in each filing year

Latest sponsor-wide plan assets
$399M 11.974272536436011% vs 2022
2024 filing year
$340M$360M$380M$400M$420M 202220232024 $357M $399M ▲ +12.0%
Year Plans Participants Total Assets
2022 3 2,485 $357M
2023 3 2,493 $384M
2024 2 2,381 $399M

Nearby 401(k) Plans in Illinois

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

Senior Operations LLC 401(k) Profit Sharing Investment Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -505101520 Total assets ($B) Participants Senior Operations LLC 401(k) Profit Sharing Investment Plan, Total assets ($B): 0.339281486 · Participants: 2164Senior Operations LLC 401(k) Profit Sharing Investment PlanAccenture United States 401(k) Match Savings Plan, Total assets ($B): 17.594548115 · Participants: 69974Accenture United States 401(k) Match Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 16.935002041 · Participants: 60246State Farm 401(k) Savings PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 14.496191 · Participants: 38012Abbott Laboratories Stock Retirement PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 14.367975914 · Participants: 14959United Airlines Pilot Retirement Account PlanWalgreens Retirement Savings Plan, Total assets ($B): 13.444551767 · Participants: 235331Walgreens Retirement Savings Plan
Senior Operations LLC 401(k) Profit Sharing Investment Plan vs. nearby 401(k) plans in Illinois, assets vs. participants
Compare Senior Operations LLC 401(k) Profit Sharing Investment Plan side-by-side with 3 peers →

Senior Operations LLC 401(k) Profit Sharing Investment Plan's out-of-state 401(k) peers by assets and headcount

Outside Illinois, the nearest 401(k) by assets is Meritus Health 401(k) Savings Plan in MD ($339M); by covered participants it is Globus Medical Inc. 401(k) Plan in PA (2,164 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($339M here).

Similar participant headcount

Nearest other-state filings by covered participants (2,164 participants); asset peers above are excluded.

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 Senior Operations LLC 401(k) Profit Sharing Investment Plan assets move in 2023? ▼
Senior Operations LLC 401(k) Profit Sharing Investment Plan grew at a solid clip - up 11.8% during 2023, from $303M to $339M. Reported net income was $36M.
How have Senior Operations LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Senior Operations LLC's sponsor-wide assets grew 12.0%, from $357M to $399M.
Where does Senior Operations LLC 401(k) Profit Sharing Investment Plan rank by assets among Form 5500 filers? ▼
Senior Operations LLC 401(k) Profit Sharing Investment 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 Senior Operations LLC 401(k) Profit Sharing Investment Plan? ▼
Among 401(k) plans in other states, the closest by assets is Meritus Health 401(k) Savings Plan in MD ($339M, 3,210 participants).
Which 401(k) plans cover a similar participant headcount to Senior Operations LLC 401(k) Profit Sharing Investment Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Globus Medical Inc. 401(k) Plan in PA (2,164 participants, $199M 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 942918781.

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.