401(k) · DOL Form 5500 · 2023

Old Second National Bank 401(k) Plan

Data updated 2026-08-25

$29M
Total assets Below avg plan size
454
Participants Below avg headcount
79th
Percentile by assets National rank
$64,810
Avg per participant Low balance/head
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Official DOL plan name: Old Second National Bank Pooled Employer Plan · Sponsored by Old Second National Bank · Illinois · Finance & Insurance

$29M in assets, 454 participants

Old Second National Bank's Old Second National Bank Pooled Employer Plan reported $29M in total assets and 454 participants in its 2023 DOL Form 5500 filing, ranking in the 79th 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.

  • #6,007 in Finance & Insurance (8,869 peers)

Where Old Second National Bank Pooled Employer Plan sits by assets

Old Second National Bank Pooled Employer Plan sits in the top quartile of all filed plans by assets, $29M for 454 participants (~$64,810/participant), up 112.8% in 2023.

#6,007
in Finance & Insurance (8,869 peers)
+112.8%
assets growth YoY
0.3×
vs typical plan assets (national mean)

Old Second National Bank Pooled Employer Plan's outsized position by total assets

Old Second National Bank Pooled Employer Plan vs every filed plan by assets

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

$29,423,840 Top 21% higher than 79% 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

Old Second National Bank Pooled Employer Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Old Second National Bank Pooled Employer Plan sits mid-pack in the medium band (454 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Old Second National Bank Pooled Employer Plan reported participants rose from 16 in the plan year 2022 filing to 454 in the plan year 2023 filing.
  • Old Second National Bank Pooled Employer Plan reported net income rose from $147K in the plan year 2022 filing to $4M in the plan year 2023 filing.
  • Old Second National Bank Pooled Employer Plan end-of-year assets rose from $14M in the plan year 2022 filing to $29M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 361577458 · Old Second National Bank PY 2023 · 401(k)

Old Second National Bank Pooled Employer Plan · $29M · 454 · 79th

  • IND $29M
  • EOY 454
  • 5500 79th
  • ASSETS 401(k)
  • PCT near Moroch Holdings, Inc. 401(k) Savings Plan
  • EIN ind #6007

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 Finance & Insurance retirement plans → · Plans in Illinois →

Old Second National Bank Pooled Employer Plan in the asset neighbourhood

Old Second National Bank Pooled Employer PlanOld Second National Bank Poo…$29MMoroch Holdings, Inc. 401(k) Savings PlanMoroch Holdings, Inc. 401(k)…$29MGreen Valley Corporation 401(k) Profit Sharing PlanGreen Valley Corporation 401…$29MSt. Onge Company Retirement Savings PlanSt. Onge Company Retirement …$29MArizona Ob/Gyn Affiliates PC 401(k) Retirement PlanArizona Ob/Gyn Affiliates PC…$29M
End-of-year total assets ($M) among Old Second National Bank Pooled Employer Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$14M
Net Assets (End of Year)$29M
Net Income$4M
Employer EIN361577458
Plan Effective Date2022-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Old Second National Bank)

Sponsor-wide plan assets over time

All Old Second National Bank plans reported in each filing year

Latest sponsor-wide plan assets
$34M 149.08579999688942% vs 2022
2024 filing year
$10M$20M$30M$40M 202220232024 $13.8M $34.4M ▲ +149.1%
Year Plans Participants Total Assets
2022 1 16 $14M
2023 1 454 $29M
2024 1 637 $34M

Nearby 401(k) Plans in Illinois

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

Old Second National Bank Pooled Employer Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -505101520 Total assets ($B) Participants Old Second National Bank Pooled Employer Plan, Total assets ($B): 0.02942384 · Participants: 454Old Second National Bank Pooled Employer 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
Old Second National Bank Pooled Employer Plan vs. nearby 401(k) plans in Illinois, assets vs. participants
Compare Old Second National Bank Pooled Employer Plan side-by-side with 3 peers →

Old Second National Bank Pooled Employer Plan's out-of-state 401(k) peers by assets and headcount

Outside Illinois, the nearest 401(k) by assets is Moroch Holdings, Inc. 401(k) Savings Plan in TX ($29M); by covered participants it is Farmers National Bank 401(k) Retirement Savings Plan in OH (454 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (454 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 Old Second National Bank Pooled Employer Plan assets move in 2023? ▼
Old Second National Bank Pooled Employer Plan surged - up 112.8% during 2023, from $14M to $29M. Reported net income was $4M.
How have Old Second National Bank plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Old Second National Bank's sponsor-wide assets grew 149.1%, from $14M to $34M.
Where does Old Second National Bank Pooled Employer Plan rank by assets among Form 5500 filers? ▼
Old Second National Bank Pooled Employer Plan ranks in the 79th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Old Second National Bank Pooled Employer Plan? ▼
Among 401(k) plans in other states, the closest by assets is Moroch Holdings, Inc. 401(k) Savings Plan in TX ($29M, 253 participants).
Which 401(k) plans cover a similar participant headcount to Old Second National Bank Pooled Employer Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Farmers National Bank 401(k) Retirement Savings Plan in OH (454 participants, $60M 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 361577458.

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.