401(k) · DOL Form 5500 · 2023

Cornerstone Bank 401(k) Plan

Data updated 2026-08-25

$23M
Total assets Small plan by assets
196
Participants Below avg headcount
75th
Percentile by assets National rank
$118,370
Avg per participant Near avg balance/head
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Official DOL plan name: Cornerstone Bank 401(k) Plan · Sponsored by Cornerstone Bank · North Dakota · Finance & Insurance

$23M in assets, 196 participants

Cornerstone Bank's Cornerstone Bank 401(k) Plan reported $23M in total assets and 196 participants in its 2023 DOL Form 5500 filing, ranking in the 75th 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.

  • #5,550 in Finance & Insurance (8,869 peers)

Coverage in North Dakota

Cornerstone Bank 401(k) Plan covers 196 participants in North Dakota, about 39% of the average North Dakota filer (state average ~504 per filing). Assets: $23M.

#5,550
in Finance & Insurance (8,869 peers)
+19.9%
assets growth YoY
0.2×
vs typical plan assets (national mean)

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

Cornerstone Bank 401(k) Plan vs every filed plan by assets

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

$23,200,570 Top 25% higher than 75% 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

Cornerstone Bank 401(k) 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. Cornerstone Bank 401(k) Plan sits mid-pack in the medium band (196 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Cornerstone Bank 401(k) Plan reported net income rose from -$3M in the plan year 2022 filing to $4M in the plan year 2023 filing.
  • Cornerstone Bank 401(k) Plan end-of-year assets rose from $19M in the plan year 2022 filing to $23M in the plan year 2023 filing.
  • Cornerstone Bank 401(k) Plan reported participants rose from 181 in the plan year 2022 filing to 196 in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 450117720 · Cornerstone Bank PY 2023 · 401(k)

Cornerstone Bank 401(k) Plan · $23M · 196 · 75th

  • VS-ST $23M
  • BOY 196
  • SCH 75th
  • EBSA 401(k)
  • PART near Delaval Dairy Services Retirement Plan
  • TYPE ind #5550

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 North Dakota →

Cornerstone Bank 401(k) Plan in the asset neighbourhood

Cornerstone Bank 401(k) Plan$23MDelaval Dairy Services Retirement PlanDelaval Dairy Services Retir…$23MForrest Tire Company, Inc. 401(k) Profit Sharing PlanForrest Tire Company, Inc. 4…$23MFmc Services, LLC 401(k) Profit Sharing PlanFmc Services, LLC 401(k) Pro…$23MClayton Manufacturing Company Employees' Retirement PlanClayton Manufacturing Compan…$23M
End-of-year total assets ($M) among Cornerstone Bank 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

North Dakota filing particulars

Total Assets (Beginning of Year)$19M
Net Assets (End of Year)$23M
Net Income$4M
Employer EIN450117720
Plan Effective Date1994-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Cornerstone Bank)

Sponsor-wide plan assets over time

All Cornerstone Bank plans reported in each filing year

Latest sponsor-wide plan assets
$27M 38.076326973992806% vs 2022
2024 filing year
$15M$20M$25M$30M 202220232024 $19.3M $26.7M ▲ +38.1%
Year Plans Participants Total Assets
2022 1 181 $19M
2023 1 196 $23M
2024 1 204 $27M

Nearby 401(k) Plans in North Dakota

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

Cornerstone Bank 401(k) Plan vs. nearby 401(k) plans in North Dakota, assets vs. participants Scatter plot of 6 data points. -10000010000200003000040000 -101234 Total assets ($B) Participants Cornerstone Bank 401(k) Plan, Total assets ($B): 0.02320057 · Participants: 196Cornerstone Bank 401(k) PlanSanford Retirement Savings Plan, Total assets ($B): 3.110361496 · Participants: 30495Sanford Retirement Savings PlanMdu Resources Group, Inc. 401(k) Retirement Plan, Total assets ($B): 0.829880488 · Participants: 8551Mdu Resources Group, Inc. 401(k) Retirement PlanKnife River Corporation 401(k) Retirement Plan, Total assets ($B): 0.7412361 · Participants: 5269Knife River Corporation 401(k) Retirement PlanDakotas Areawide IBEW-NECA Savings and Retirement Plan, Total assets ($B): 0.521170291 · Participants: 3853Dakotas Areawide IBEW-NECA Savings and Retirement PlanEide Bailly LLP 401(k) Profit Sharing Plan, Total assets ($B): 0.512524705 · Participants: 2920Eide Bailly LLP 401(k) Profit Sharing Plan
Cornerstone Bank 401(k) Plan vs. nearby 401(k) plans in North Dakota, assets vs. participants

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

Outside North Dakota, the nearest 401(k) by assets is Delaval Dairy Services Retirement Plan in MO ($23M); by covered participants it is Logicworks 401(k) Plan in NY (196 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (196 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 Cornerstone Bank 401(k) Plan assets move in 2023?
Cornerstone Bank 401(k) Plan grew sharply - up 19.9% during 2023, from $19M to $23M. Reported net income was $4M.
How have Cornerstone Bank plan assets changed over time?
Across 3 plan years on file (2022-2024), Cornerstone Bank's sponsor-wide assets grew 38.1%, from $19M to $27M.
Where does Cornerstone Bank 401(k) Plan rank by assets among Form 5500 filers?
Cornerstone Bank 401(k) Plan ranks in the 75th 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 Cornerstone Bank 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Delaval Dairy Services Retirement Plan in MO ($23M, 177 participants).
Which 401(k) plans cover a similar participant headcount to Cornerstone Bank 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Logicworks 401(k) Plan in NY (196 participants, N/A in assets).