Defined Benefit (Pension) · DOL Form 5500 · 2023

Oneok, Inc. Pension Plan

Data updated 2026-08-25

$335M
Total assets Above avg plan size
230
Participants Below avg headcount
96th
Percentile by assets National rank
$1.5M
Avg per participant High balance/head
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Official DOL plan name: Oneok, Inc. Retirement Plan · Sponsored by Oneok, Inc. · Oklahoma · Transportation & Warehousing

$335M in assets, 230 participants

Oneok, Inc.'s Oneok, Inc. Retirement Plan reported $335M in total assets and 230 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.

  • #3,200 in Transportation & Warehousing (3,362 peers)

Coverage in Oklahoma

Oneok, Inc. Retirement Plan covers 230 participants in Oklahoma, about 30% of the average Oklahoma filer (state average ~760 per filing). Assets: $335M.

#3,200
in Transportation & Warehousing (3,362 peers)
+4.1%
assets growth YoY
3.4×
vs typical plan assets (national mean)

Oneok, Inc. Retirement Plan's outsized position by total assets

Oneok, Inc. Retirement Plan vs every filed plan by assets

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

$334,915,000 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

Oneok, Inc. Retirement 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. Oneok, Inc. Retirement Plan sits mid-pack in the medium band (230 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Oneok, Inc. Retirement Plan reported net income rose from -$92M in the plan year 2022 filing to $13M in the plan year 2023 filing.
  • Oneok, Inc. Retirement Plan reported participants fell from 274 in the plan year 2022 filing to 230 in the plan year 2023 filing.
  • Oneok, Inc. Retirement Plan end-of-year assets rose from $322M in the plan year 2022 filing to $335M in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 731520922 · Oneok, Inc. PY 2023 · Defined Benefit (Pension)

Oneok, Inc. Retirement Plan · $335M · 230 · 96th

  • IND $335M
  • EOY 230
  • 5500 96th
  • ASSETS Defined Benefit (Pension)
  • PCT near Ball Corporation Pension Plan as It Applies to Certain Salaried Employees of Ball Aerospace & Technologies Corp.
  • EIN ind #3200

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 Transportation & Warehousing retirement plans → · Plans in Oklahoma →

Oneok, Inc. Retirement Plan in the asset neighbourhood

Pension Plan for Salaried Employees of Continental Automotive, Inc. & Certain Affiliated CompaniesPension Plan for Salaried Em…$336MThe Retirement Plan for Lilly Affiliate Employees in Puerto RicoThe Retirement Plan for Lill…$335MOneok, Inc. Retirement Plan$335MBall Corporation Pension Plan as It Applies to Certain Salaried Employees of Ball Aerospace & Technologies Corp.Ball Corporation Pension Pla…$335MMethodist Health System Employee Retirement PlanMethodist Health System Empl…$335M
End-of-year total assets ($M) among Oneok, Inc. Retirement Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

Oklahoma filing particulars

Total Assets (Beginning of Year)$322M
Net Assets (End of Year)$335M
Net Income$13M
Employer EIN731520922
Plan Effective Date1941-03-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Oneok, Inc.)

Sponsor-wide plan assets over time

All Oneok, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$1.8B 60.38217715343218% vs 2022
2024 filing year
$1B$1.2B$1.4B$1.6B$1.8B$2B 202220232024 $1.09B $1.75B ▲ +60.6%
Year Plans Participants Total Assets
2022 2 3,109 $1.1B
2023 2 3,195 $1.5B
2024 2 4,948 $1.8B

Nearby Defined Benefit (Pension) Plans in Oklahoma

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Oneok, Inc. Retirement Plan vs. nearby Defined Benefit (Pension) plans in Oklahoma, assets vs. participants Scatter plot of 6 data points. 01000200030004000 00.511.52 Total assets ($B) Participants Oneok, Inc. Retirement Plan, Total assets ($B): 0.334915 · Participants: 230Oneok, Inc. Retirement PlanPipeline Industry Pension Fund, Total assets ($B): 1.550776271 · Participants: 1904Pipeline Industry Pension FundWilliams Pension Plan, Total assets ($B): 1.33243367 · Participants: 3588Williams Pension PlanOne Gas, Inc. Retirement Plan, Total assets ($B): 0.795535 · Participants: 740One Gas, Inc. Retirement PlanRetirement Plan for Employees of Devon Energy Corporation, Total assets ($B): 0.480356058 · Participants: 171Retirement Plan for Employees of Devon Energy CorporationIntegris Health, Inc. Retirement Plan a, Total assets ($B): 0.422772766 · Participants: 1145Integris Health, Inc. Retirement Plan a
Oneok, Inc. Retirement Plan vs. nearby Defined Benefit (Pension) plans in Oklahoma, assets vs. participants
Compare Oneok, Inc. Retirement Plan side-by-side with 3 peers →

Oneok, Inc. Retirement Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Oklahoma, the nearest Defined Benefit (Pension) by assets is Ball Corporation Pension Plan as It Applies to Certain Salaried Employees of Ball Aerospace & Technologies Corp. in CO ($335M); by covered participants it is Signature Healthcare Retirement Plan in MA (230 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (230 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 Oneok, Inc. Retirement Plan assets move in 2023? ▼
Oneok, Inc. Retirement Plan edged up modestly - up 4.1% during 2023, from $322M to $335M. Reported net income was $13M.
How have Oneok, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Oneok, Inc.'s sponsor-wide assets grew 60.4%, from $1.1B to $1.8B.
Where does Oneok, Inc. Retirement Plan rank by assets among Form 5500 filers? ▼
Oneok, Inc. Retirement 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 Defined Benefit (Pension) plans are similar in size to Oneok, Inc. Retirement Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Ball Corporation Pension Plan as It Applies to Certain Salaried Employees of Ball Aerospace & Technologies Corp. in CO ($335M, 4,799 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Oneok, Inc. Retirement Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Signature Healthcare Retirement Plan in MA (230 participants, $50M 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 731520922.

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.