Oneoncology 401(k) and pension plans

Oneoncology, LLC, Nashville, TN. EIN 82-3416811. Annual reports 2019–2024.

Oneoncology, LLC has 2 active retirement plans on file. The largest is the Oneoncology, LLC Onerewards Retirement Plan, with 9,556 participants and $585 million in assets in 2024. Sentinel has been its recordkeeper since 2020.

Active plans: 2
Participants: 9,710
Plan assets: $635 million
401(k) recordkeeper: Sentinel
Plans on file: 2
Industry: Health care

All 2 plans

Active plans first

Oneoncology, LLC Onerewards Retirement Plan

401(k)Active

Active. The plan filed its annual report for the 2024 plan year.

Plan number: 001Employer EIN 82-3416811
Participants (2024): 9,556
Net assets (2024): $585 million
Recordkeeper: Sentinel2020–2024
Plan administrator: Oneoncology, LLC
424 Church ST., Suite 2400
Nashville, TN 37219
(833) 345-0300As filed for 2024
In effect since: January 1, 2019

Plans merged into this one: United Urology Group Retirement Plan (2025); Tennessee Oncology, PLLC 401(k) Profit Sharing Plan (2020).

Year by year, 2019 to 2024

Plan year	Participants	Net assets	Recordkeeper
2024	9,556	$585 million	Sentinel
2023	8,830	$433 million	Sentinel
2022	5,373	$262 million	Sentinel
2021	3,927	$250 million	Sentinel
2020	3,010	$185 million	Sentinel
2019	397	$1.3 million	not listed

Oneoncology Cash Balance Pension Plan

Cash balance pensionActive

Active. The plan filed its annual report for the 2024 plan year.

Plan number: 002Employer EIN 82-3416811
Participants (2024): 154
Net assets (2024): $50.0 million
Plan administrator: Oneoncology, LLC
424 Church ST., Suite 2400
Nashville, TN 37219
(833) 345-0300As filed for 2024
In effect since: January 1, 2020

Year by year, 2020 to 2024

Plan year	Participants	Net assets	Recordkeeper
2024	154	$50.0 million	not listed
2023	120	$36.2 million	not listed
2022	123	$23.6 million	not listed
2021	113	$13.6 million	not listed
2020	71	$4.2 million	not listed

If you had money in one of these plans

Call Sentinel, which runs the Oneoncology, LLC Onerewards Retirement Plan. With your Social Security number and the plan name, it can tell you whether you still have a balance and, if not, where it went.
Or call the plan administrator listed on the plan below ((833) 345-0300). That number was filed for 2024; ask for the benefits or retirement plan office.
Still stuck? The Department of Labor's benefits advisers help for free: askebsa.dol.gov or 1-866-444-3272. Never pay anyone to find your own money.

What these numbers are

They come from the Form 5500 annual reports each plan files with the Department of Labor, as the plan filed them. A plan year is usually a calendar year.
Participants counts everyone in the plan at year end: current employees, former employees who still have a balance or a pension coming, and retirees or beneficiaries being paid.
The recordkeeper is the service provider whose Schedule C entry says it keeps the plan's records. Small plans do not file Schedule C, so some plans show none.
We cannot see anyone's account. Only the plan or its recordkeeper can tell you your balance.

Sources: U.S. Department of Labor, Form 5500 datasets and PBGC trusteed plans. How we read them.

All 2 plans

Oneoncology, LLC Onerewards Retirement Plan

Oneoncology Cash Balance Pension Plan

If you had money in one of these plans

What these numbers are

Other health care employers in TN