401(k) · DOL Form 5500 · 2023

Oneoncology, LLC 401(k) Plan

Data updated 2026-08-25

$433M
Total assets Above avg plan size
4,968
Participants Above avg headcount
97th
Percentile by assets National rank
$87,222
Avg per participant Below avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Oneoncology, LLC Onerewards Retirement Plan · Sponsored by Oneoncology, LLC · Tennessee · Healthcare & Social Assistance

$433M in assets, 4,968 participants

Oneoncology, LLC's Oneoncology, LLC Onerewards Retirement Plan reported $433M in total assets and 4,968 participants in its 2023 DOL Form 5500 filing, ranking in the 97th 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.

  • #17,210 in Healthcare & Social Assistance (17,684 peers)

Coverage in Tennessee

Oneoncology, LLC Onerewards Retirement Plan covers 4,968 participants in Tennessee, 4.4x the typical Tennessee plan (state average ~1,126 per filing). Assets: $433M.

#17,210
in Healthcare & Social Assistance (17,684 peers)
+65.7%
assets growth YoY
4.3×
vs typical plan assets (national mean)

Oneoncology, LLC Onerewards Retirement Plan's outsized position by total assets

Oneoncology, LLC Onerewards Retirement Plan vs every filed plan by assets

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

$433,321,061 Top 3% higher than 97% 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

Oneoncology, LLC Onerewards Retirement Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Oneoncology, LLC Onerewards Retirement Plan lands in the large band (4,968 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Oneoncology, LLC Onerewards Retirement Plan reported net income rose from -$3M in the plan year 2022 filing to $103M in the plan year 2023 filing.
  • Oneoncology, LLC Onerewards Retirement Plan end-of-year assets rose from $262M in the plan year 2022 filing to $433M in the plan year 2023 filing.
  • Oneoncology, LLC Onerewards Retirement Plan reported participants rose from 3,422 in the plan year 2022 filing to 4,968 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 823416811 · Oneoncology, LLC PY 2023 · 401(k)

Oneoncology, LLC Onerewards Retirement Plan · $433M · 4,968 · 97th

  • SCH $433M
  • EBSA 4,968
  • PART 97th
  • TYPE 401(k)
  • NET near Hawaii Medical Service Association Employee Thrift Plan
  • BOOK ind #17210

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 Healthcare & Social Assistance retirement plans → · Plans in Tennessee →

Oneoncology, LLC Onerewards Retirement Plan in the asset neighbourhood

The B & W Thrift Plan$434MWynn Resorts, Limited 401(k) PlanWynn Resorts, Limited 401(k)…$434MHawaii Medical Service Association Employee Thrift PlanHawaii Medical Service Assoc…$434MOneoncology, LLC Onerewards Retirement PlanOneoncology, LLC Onerewards …$433MHolt Companies Retirement PlanHolt Companies Retirement Pl…$433M
End-of-year total assets ($M) among Oneoncology, LLC Onerewards Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Tennessee filing particulars

Total Assets (Beginning of Year)$262M
Net Assets (End of Year)$433M
Net Income$103M
Employer EIN823416811
Plan Effective Date2019-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Oneoncology, LLC)

Sponsor-wide plan assets over time

All Oneoncology, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$635M 142.6313827457037% vs 2022
2024 filing year
$200M$400M$600M$800M 202220232024 $262M $635M ▲ +142.6%
Year Plans Participants Total Assets
2022 1 3,422 $262M
2023 2 5,090 $469M
2024 2 6,948 $635M

Nearby 401(k) Plans in Tennessee

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

Oneoncology, LLC Onerewards Retirement Plan vs. nearby 401(k) plans in Tennessee, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000400000 -100102030 Total assets ($B) Participants Oneoncology, LLC Onerewards Retirement Plan, Total assets ($B): 0.433321061 · Participants: 4968Oneoncology, LLC Onerewards Retirement PlanFedex Corporation Retirement Savings Plan, Total assets ($B): 23.88081991 · Participants: 127010Fedex Corporation Retirement Savings PlanHca 401(k) Plan, Total assets ($B): 21.53517366 · Participants: 291649Hca 401(k) PlanFederal Express Corporation Pilots Retirement Savings Plan, Total assets ($B): 4.743557391 · Participants: 5728Federal Express Corporation Pilots Retirement Savings PlanInternational Paper Company Salaried Savings Plan, Total assets ($B): 4.621886139 · Participants: 12153International Paper Company Salaried Savings PlanChs/Community Health Systems, Inc. Retirement Savings Plan, Total assets ($B): 4.517708174 · Participants: 62487Chs/Community Health Systems, Inc. Retirement Savings Plan
Oneoncology, LLC Onerewards Retirement Plan vs. nearby 401(k) plans in Tennessee, assets vs. participants
Compare Oneoncology, LLC Onerewards Retirement Plan side-by-side with 3 peers →

Oneoncology, LLC Onerewards Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside Tennessee, the nearest 401(k) by assets is Hawaii Medical Service Association Employee Thrift Plan in HI ($434M); by covered participants it is Pacificorp K Plus Employee Savings Plan in OR (4,968 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($433M here).

Similar participant headcount

Nearest other-state filings by covered participants (4,968 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 Oneoncology, LLC Onerewards Retirement Plan assets move in 2023? ▼
Oneoncology, LLC Onerewards Retirement Plan surged - up 65.7% during 2023, from $262M to $433M. Reported net income was $103M.
How have Oneoncology, LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Oneoncology, LLC's sponsor-wide assets grew 142.6%, from $262M to $635M.
Where does Oneoncology, LLC Onerewards Retirement Plan rank by assets among Form 5500 filers? ▼
Oneoncology, LLC Onerewards Retirement Plan ranks in the 97th 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 401(k) plans are similar in size to Oneoncology, LLC Onerewards Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Hawaii Medical Service Association Employee Thrift Plan in HI ($434M, 1,255 participants).
Which 401(k) plans cover a similar participant headcount to Oneoncology, LLC Onerewards Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Pacificorp K Plus Employee Savings Plan in OR (4,968 participants, $1.6B 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 823416811.

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.