Oneoncology 401(k) match, vesting and fees

Plan year 2024 filingOneoncology, LLC Onerewards Retirement Plan · Plan 001 · EIN 82-3416811Updated Oct 2026

What Oneoncology's 401(k) plan says about matching contributions

The match terms have not been published from this plan's filing yet.
The plan year 2024 filing reports $40.7M in employer contributions, about $4,382 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2024 Form 5500 ↗
$62,947
Average account balance
9,556
Participants (end of year)
$585M
Plan assets (end of year)
0.26%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

RecordkeeperSentinel Benefits Group, LLCSchedule C ↗
Independent auditorLbmc, PC (unmodified opinion, limited scope)Schedule H ↗
Plan type and status401(k) · ActiveForm 5500 ↗
Late participant contributionsReported on the filingSchedule H ↗

How the plan compares

Plan year 2024 medians for 218 defined-contribution plans in health care and social assistance with 5,000 to 9,999 participants.

Oneoncology: employer contribution per participant$4,382
Peer median$1,895
Oneoncology: average balance$62,947
Peer median$71,034
Oneoncology: admin expenses ÷ assets0.26%
Peer median0.10%

Admin expenses are the plan's reported administrative expenses divided by its assets; they do not include fund expense ratios.

Plan history

Plan assets went from $250M at the end of plan year 2021 to $585M at the end of plan year 2024.

$250M2021$262M2022$433M2023$585M2024
End-of-year figures from each plan year's Form 5500 filing for the Oneoncology plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
20249,556$585M$40.7M$4,3820.26%Not publishedForm 5500 ↗
20238,830$433M$31.8M$3,6170.21%Not publishedForm 5500 ↗
20225,373$262M$20.2M$3,8170.21%Not publishedForm 5500 ↗
20213,927$250M$18.7M$4,8950.20%Not publishedForm 5500 ↗

Other Oneoncology plans (1)

Each plan files its own Form 5500. Figures are from each plan's latest filing.

Oneoncology Cash Balance Pension Plan

Plan 002 · EIN 82-3416811 · plan year 2024 filing
$324,658
Average account balance
154
Participants (end of year)
$50M
Plan assets (end of year)
0.23%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

Independent auditorLbmc, PC (unmodified opinion, limited scope)Schedule H ↗
Plan type and statusPension (defined benefit) · ActiveForm 5500 ↗

Common questions

Does Oneoncology match 401(k) contributions?

The match terms for the Oneoncology, LLC Onerewards Retirement Plan have not been published from its filing yet. The plan year 2024 filing reports $40.7M in employer contributions, about $4,382 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Oneoncology 401(k) match vested?

The vesting schedule for the Oneoncology, LLC Onerewards Retirement Plan is not in the data published so far. Your Summary Plan Description states it.

Who manages the Oneoncology 401(k)?

The recordkeeper listed on Schedule C of the plan year 2024 filing is Sentinel Benefits Group, LLC. The plan administrator is Oneoncology, LLC.

I left Oneoncology. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Oneoncology, LLC, (833) 345-0300) or the recordkeeper, Sentinel Benefits Group, LLC. The Oneoncology old 401(k) page lists the contacts from every plan filing. Find an old Oneoncology 401(k)

Data from the public Form 5500 annual reports Oneoncology filed with the U.S. Department of Labor (plan years 2021 and 2022 and 2023 and 2024) and, where noted, the attached independent auditor's report. Plan terms may have changed since the filing; check your current Summary Plan Description. PlanFacts is not affiliated with Oneoncology. Not financial advice. Report a correction · Methodology