401(k) · DOL Form 5500 · 2023

Quest Diagnostics Clinical Laboratories, Inc. 401(k) Plan

Data updated 2026-08-06

$5.1B
Total assets
48,629
Participants
100th
Percentile by assets
$105,431
Avg per participant
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Official DOL plan name: The Quest Diagnostics Profit Sharing Plan · Sponsored by Quest Diagnostics Clinical Laboratories, Inc. · New Jersey · Healthcare & Social Assistance

$5.1B in assets, 48,629 participants

Quest Diagnostics Clinical Laboratories, Inc.'s The Quest Diagnostics Profit Sharing Plan reported $5.1B in total assets and 48,629 participants in its 2023 DOL Form 5500 filing, ranking in the 100th 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.

  • 100th percentile by assets (of 126,618 plans)
  • #17,597 in Healthcare & Social Assistance (17,626 peers)

Coverage in New Jersey

The Quest Diagnostics Profit Sharing Plan covers 48,629 participants in New Jersey, 56x the typical New Jersey plan (state average ~865 per filing). Assets: $5.1B.

$5.1B
total plan assets (2023 EOY)
48,629
covered participants
100th
percentile by assets (of 126,618 plans)
$105,431
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • The Quest Diagnostics Profit Sharing Plan reported net income rose from -$1.1B in the plan year 2022 filing to $519M in the plan year 2023 filing.
  • The Quest Diagnostics Profit Sharing Plan end-of-year assets rose from $4.6B in the plan year 2022 filing to $5.1B in the plan year 2023 filing.
  • The Quest Diagnostics Profit Sharing Plan reported participants rose from 48,564 in the plan year 2022 filing to 48,629 in the plan year 2023 filing.

See the national 2023→2024 release diff →

Participants vs New Jersey filers

In New Jersey, the average filing covers about 865 participants across 3,927 plans. The Quest Diagnostics Profit Sharing Plan reports 48,629 participants - 56x that state average ($5.1B EOY assets).

New Jersey filing particulars

Total Assets (Beginning of Year)$4.6B
Net Assets (End of Year)$5.1B
Net Income$519M
Employer EIN382084239
Plan Effective Date1973-10-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Quest Diagnostics Clinical Laboratories, Inc.)

$4.5B$5B$5.5B$6B 202220232024 $4.61B $5.56B ▲ +20.6%
Total plan assets by year, all Quest Diagnostics Clinical Laboratories, Inc. plans on file
Year Plans Participants Total Assets
2022 1 48,564 $4.6B
2023 1 48,629 $5.1B
2024 1 47,668 $5.6B

Nearby 401(k) Plans in New Jersey

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

The Quest Diagnostics Profit Sharing Plan vs. nearby 401(k) plans in New Jersey, assets vs. participants

The Quest Diagnostics Profit Sharing Plan vs. nearby 401(k) plans in New Jersey, assets vs. participants Scatter plot of 6 data points. 050000100000150000200000 01020304050 Total assets ($B) Participants The Quest Diagnostic…JPMorgan Chase 401(k…Verizon Savings Plan…Johnson and Johnson …Ernst & Young Retire…Merck US Savings Plan
The Quest Diagnostics Profit Sharing Plan vs. nearby 401(k) plans in New Jersey, assets vs. participants

Scale composition for The Quest Diagnostics Profit Sharing Plan

The Quest Diagnostics Profit Sharing Plan reports $5.1B in end-of-year assets across 48,629 participants (0.044% of the $11.6T held by all Form 5500 filers in the national rollup , and 0.054% of 89,805,449 covered participants) - about $105,431 per participant (77% of the national average assets-per-participant) . Net income for plan year 2023 was $519M.

This plan identity (EIN 382084239, plan #333) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $4.6B to $5.6B (+20.5%) while covered participants moved from 48,564 to 47,668 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 48,564 $4.6B Open filing
2023 48,629 $5.1B This page
2024 · index core 47,668 $5.6B Open filing

The same sponsor also keeps 1 other index-core plan on PlainRetire:

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to The Quest Diagnostics Profit Sharing Plan by total assets, not by location.

Frequently Asked Questions

How did The Quest Diagnostics Profit Sharing Plan assets move in 2023?
The Quest Diagnostics Profit Sharing Plan grew at a solid clip - up 11.3% during 2023, from $4.6B to $5.1B. Reported net income was $519M.
How have Quest Diagnostics Clinical Laboratories, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Quest Diagnostics Clinical Laboratories, Inc.'s sponsor-wide assets grew 20.5%, from $4.6B to $5.6B.
Where does The Quest Diagnostics Profit Sharing Plan rank by assets among Form 5500 filers?
The Quest Diagnostics Profit Sharing Plan ranks in the 100th percentile by end-of-year assets among 126,618 plans that reported assets for plan year 2023 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to The Quest Diagnostics Profit Sharing Plan?
Among 401(k) plans in other states, the closest by assets is Applied Materials, Inc. Employee Savings & Retirement Plan in CA ($5.1B, 14,583 participants).

Next read for The Quest Diagnostics Profit Sharing Pla…

Filing takeaways

Ways to act on The Quest Diagnostics Profit Sharing Plan's numbers.