401(k) · DOL Form 5500 · 2022

Oneok, Inc. 401(k) Plan

Data updated 2026-08-06

$770M
Total assets
2,835
Participants
99th
Percentile by assets
$271,755
Avg per participant
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Official DOL plan name: Oneok, Inc. 401(k) Plan · Sponsored by Oneok, Inc. · Oklahoma · Transportation & Warehousing

$770M in assets, 2,835 participants

Oneok, Inc.'s Oneok, Inc. 401(k) Plan reported $770M in total assets and 2,835 participants in its 2022 DOL Form 5500 filing, ranking in the 99th 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.

  • 99th percentile by assets (of 139,258 plans)
  • #3,805 in Transportation & Warehousing (3,884 peers)

Coverage in Oklahoma

Oneok, Inc. 401(k) Plan covers 2,835 participants in Oklahoma, 3.6x the typical Oklahoma plan (state average ~780 per filing). Assets: $770M.

$770M
total plan assets (2022 EOY)
2,835
covered participants
99th
percentile by assets (of 139,258 plans)
$271,755
avg assets per participant

The plan reported a net loss of $79M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Participants vs Oklahoma filers

In Oklahoma, the average filing covers about 780 participants across 1,219 plans. Oneok, Inc. 401(k) Plan reports 2,835 participants - 3.6x that state average ($770M EOY assets).

Oklahoma filing particulars

Total Assets (Beginning of Year)$850M
Net Assets (End of Year)$770M
Net Income-$79M
Employer EIN731520922
Plan Effective Date1956-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Oneok, Inc.)

$1B$1.2B$1.4B$1.6B$1.8B$2B 202220232024 $1.09B $1.75B ▲ +60.6%
Total plan assets by year, all Oneok, Inc. plans on file
Year Plans Participants Total Assets
2022 2 3,109 $1.1B
2023 2 3,195 $1.5B
2024 2 4,948 $1.8B

Nearby 401(k) Plans in Oklahoma

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

Oneok, Inc. 401(k) Plan vs. nearby 401(k) plans in Oklahoma, assets vs. participants

Oneok, Inc. 401(k) Plan vs. nearby 401(k) plans in Oklahoma, assets vs. participants Scatter plot of 6 data points. 050001000015000 01234 Total assets ($B) Participants Oneok, Inc. 401(k) P…Quiktrip Corporation…The Williams Investm…Bok Financial 401(k)…Devon Energy Corpora…One Gas, Inc. 401(k)…
Oneok, Inc. 401(k) Plan vs. nearby 401(k) plans in Oklahoma, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Oneok, Inc. 401(k) Plan by total assets, not by location.

Frequently Asked Questions

How did Oneok, Inc. 401(k) Plan assets move in 2022?
Oneok, Inc. 401(k) Plan pulled back noticeably - down 9.3% during 2022, from $850M to $770M. Reported net income was -$79M.
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. 401(k) Plan rank by assets among Form 5500 filers?
Oneok, Inc. 401(k) Plan ranks in the 99th percentile by end-of-year assets among 139,258 plans that reported assets for plan year 2022 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Oneok, Inc. 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Acna 401 (K) Plan in NJ ($769M, 4,184 participants).

Filing takeaways

Ways to act on Oneok, Inc. 401(k) Plan's numbers.