401(k) · DOL Form 5500 · 2024

Knife River Corporation 401(k) Plan

Data updated 2026-08-25

$856M
Total assets Above avg plan size
5,327
Participants Above avg headcount
98th
Percentile by assets National rank
$160,764
Avg per participant Above avg balance/head
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Official DOL plan name: Knife River Corporation 401(k) Retirement Plan · Sponsored by Knife River Corporation · North Dakota · Construction

$856M in assets, 5,327 participants

Knife River Corporation's Knife River Corporation 401(k) Retirement Plan reported $856M in total assets and 5,327 participants in its 2024 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.

  • #8,884 in Construction (9,039 peers)

Coverage in North Dakota

Knife River Corporation 401(k) Retirement Plan covers 5,327 participants in North Dakota, 11x the typical North Dakota plan (state average ~504 per filing). Assets: $856M.

#8,884
in Construction (9,039 peers)
+15.5%
assets growth YoY
8.6×
vs typical plan assets (national mean)

Knife River Corporation 401(k) Retirement Plan's outsized position by total assets

Knife River Corporation 401(k) Retirement Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$856,387,415 Top 2% higher than 98% of 123,620 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 2024

Knife River Corporation 401(k) Retirement Plan's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Knife River Corporation 401(k) Retirement Plan lands in the large band (5,327 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Knife River Corporation 401(k) Retirement Plan end-of-year assets rose from $741M in the plan year 2023 filing to $856M in the plan year 2024 filing.
  • Knife River Corporation 401(k) Retirement Plan reported net income rose from $103M in the plan year 2023 filing to $115M in the plan year 2024 filing.
  • Knife River Corporation 401(k) Retirement Plan reported participants rose from 5,269 in the plan year 2023 filing to 5,327 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 921008893 · Knife River Corporation PY 2024 · 401(k)

Knife River Corporation 401(k) Retirement Plan · $856M · 5,327 · 98th

  • 5500 $856M
  • ASSETS 5,327
  • PCT 98th
  • EIN 401(k)
  • RANK near Ptc 401(k) Savings Plan
  • PHOTO ind #8884

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 Construction retirement plans → · Plans in North Dakota →

Knife River Corporation 401(k) Retirement Plan in the asset neighbourhood

Knife River Corporation 401(k) Retirement PlanKnife River Corporation 401(…$856MPtc 401(k) Savings Plan$856MSynovus 401(k) Savings Plan$856MDeaconess Health System, Inc. 401(k) PlanDeaconess Health System, Inc…$855MMosaic Investment Plan$853M
End-of-year total assets ($M) among Knife River Corporation 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

North Dakota filing particulars

Total Assets (Beginning of Year)$741M
Net Assets (End of Year)$856M
Net Income$115M
Employer EIN921008893
Plan Effective Date1984-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Knife River Corporation)

Sponsor-wide plan assets over time

All Knife River Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$881M 14.777336053264388% vs 2023
2024 filing year
$750M$800M$850M$900M 20232024 $768M $881M ▲ +14.8%
Year Plans Participants Total Assets
2023 2 5,300 $768M
2024 2 5,351 $881M

Nearby 401(k) Plans in North Dakota

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

Knife River Corporation 401(k) Retirement Plan vs. nearby 401(k) plans in North Dakota, assets vs. participants Scatter plot of 6 data points. 010000200003000040000 01234 Total assets ($B) Participants Knife River Corporation 401(k) Retirement Plan, Total assets ($B): 0.856387415 · Participants: 5327Knife River Corporation 401(k) Retirement PlanSanford Retirement Savings Plan, Total assets ($B): 3.602462001 · Participants: 31958Sanford Retirement Savings PlanMdu Resources Group, Inc. 401(k) Retirement Plan, Total assets ($B): 0.775551136 · Participants: 3465Mdu Resources Group, Inc. 401(k) Retirement PlanEide Bailly LLP 401(k) Profit Sharing Plan, Total assets ($B): 0.615317303 · Participants: 2920Eide Bailly LLP 401(k) Profit Sharing PlanOffutt Companies 401(k) Savings Plan, Total assets ($B): 0.591992052 · Participants: 5199Offutt Companies 401(k) Savings PlanDakotas Areawide IBEW-NECA Savings and Retirement Plan, Total assets ($B): 0.583155537 · Participants: 4160Dakotas Areawide IBEW-NECA Savings and Retirement Plan
Knife River Corporation 401(k) Retirement Plan vs. nearby 401(k) plans in North Dakota, assets vs. participants
Compare Knife River Corporation 401(k) Retirement Plan side-by-side with 3 peers →

Knife River Corporation 401(k) Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside North Dakota, the nearest 401(k) by assets is Ptc 401(k) Savings Plan in MA ($856M); by covered participants it is Horizon Blue Cross Blue Shield of New Jersey Employees Savings and Investment Plan in NJ (5,324 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($856M here).

Similar participant headcount

Nearest other-state filings by covered participants (5,327 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Knife River Corporation 401(k) Retirement Plan assets move in 2024? ▼
Knife River Corporation 401(k) Retirement Plan grew sharply - up 15.5% during 2024, from $741M to $856M. Reported net income was $115M.
How have Knife River Corporation plan assets changed over time? ▼
Across 2 plan years on file (2023-2024), Knife River Corporation's sponsor-wide assets grew 14.8%, from $768M to $881M.
Where does Knife River Corporation 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼
Knife River Corporation 401(k) Retirement Plan ranks in the 98th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Knife River Corporation 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Ptc 401(k) Savings Plan in MA ($856M, 2,559 participants).
Which 401(k) plans cover a similar participant headcount to Knife River Corporation 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Horizon Blue Cross Blue Shield of New Jersey Employees Savings and Investment Plan in NJ (5,324 participants, $1.5B in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 921008893.

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.