401(k) · DOL Form 5500 · 2022

Bio-Serv Corporation 401(k) Plan

Data updated 2026-08-25

$28M
Total assets Below avg plan size
275
Participants Below avg headcount
82nd
Percentile by assets National rank
$102,131
Avg per participant Below avg balance/head
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Official DOL plan name: Bio-Serv Corporation Employees Retirement Savings Plan · Sponsored by Bio-Serv Corporation · Michigan · Administrative & Support Services

$28M in assets, 275 participants

Bio-Serv Corporation's Bio-Serv Corporation Employees Retirement Savings Plan reported $28M in total assets and 275 participants in its 2022 DOL Form 5500 filing, ranking in the 82nd 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.

  • #4,513 in Administrative & Support Services (4,927 peers)

Coverage in Michigan

Bio-Serv Corporation Employees Retirement Savings Plan covers 275 participants in Michigan, about 43% of the average Michigan filer (state average ~638 per filing). Assets: $28M.

#4,513
in Administrative & Support Services (4,927 peers)
-18.8%
assets change YoY
0.3×
vs typical plan assets (national mean)

The plan reported a net loss of $7M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Bio-Serv Corporation Employees Retirement Savings Plan's outsized position by total assets

Bio-Serv Corporation Employees Retirement Savings Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$28,086,001 Top 18% higher than 82% of 139,123 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 2022

Bio-Serv Corporation Employees Retirement Savings Plan among mid-size filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Bio-Serv Corporation Employees Retirement Savings Plan sits mid-pack in the medium band (275 participants).

DOL schedule card

Filing strip 381643006 · Bio-Serv Corporation PY 2022 · 401(k)

Bio-Serv Corporation Employees Retirement Savings Plan · $28M · 275 · 82nd

  • IND $28M
  • IND 275
  • IND 82nd
  • IND 401(k)
  • IND near South Carolina Pediatric Alliance, LLC 401(k) Profit Sharing Plan
  • IND ind #4513

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 Administrative & Support Services retirement plans → · Plans in Michigan →

Bio-Serv Corporation Employees Retirement Savings Plan in the asset neighbourhood

Bio-Serv Corporation Employees Retirement Savings PlanBio-Serv Corporation Employe…$28MSouth Carolina Pediatric Alliance, LLC 401(k) Profit Sharing PlanSouth Carolina Pediatric All…$28MAmyx, Inc. 401(k) Plan$28MStewart-Haas Racing LLC 401(k) PlanStewart-Haas Racing LLC 401(…$28MAcademic Medicine Services Inc 401(k) Profit Sharing Plan & TrustAcademic Medicine Services I…$28M
End-of-year total assets ($M) among Bio-Serv Corporation Employees Retirement Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Michigan filing particulars

Total Assets (Beginning of Year)$35M
Net Assets (End of Year)$28M
Net Income-$7M
Employer EIN381643006
Plan Effective Date1985-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Bio-Serv Corporation)

Sponsor-wide plan assets over time

All Bio-Serv Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$35M 26.2775964438654% vs 2022
2024 filing year
$25M$30M$35M$40M 202220232024 $28.1M $35.5M ▲ +26.3%
Year Plans Participants Total Assets
2022 1 275 $28M
2023 1 273 $33M
2024 1 281 $35M

Nearby 401(k) Plans in Michigan

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

Bio-Serv Corporation Employees Retirement Savings Plan vs. nearby 401(k) plans in Michigan, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -505101520 Total assets ($B) Participants Bio-Serv Corporation Employees Retirement Savings Plan, Total assets ($B): 0.028086001 · Participants: 275Bio-Serv Corporation Employees Retirement Savings PlanGeneral Motors Retirement Savings Plan for Salaried Employees in the United States, Total assets ($B): 18.071817726 · Participants: 43382General Motors Retirement Savings Plan for Salaried Employees in the United StatesFord Motor Co. Savings and Stock Investment Plan for Salaried Employees, Total assets ($B): 13.833597622 · Participants: 32974Ford Motor Co. Savings and Stock Investment Plan for Salaried EmployeesThe Dow Chemical Company Employees' Savings Plan, Total assets ($B): 9.307640951 · Participants: 16930The Dow Chemical Company Employees' Savings PlanThe General Motors Personal Savings Plan for Hourly-Rate Employees in the United States, Total assets ($B): 7.545889119 · Participants: 40458The General Motors Personal Savings Plan for Hourly-Rate Employees in the United StatesFord Motor Co. Tax-Efficient Savings Plan for Hourly Employees, Total assets ($B): 6.44558193 · Participants: 57811Ford Motor Co. Tax-Efficient Savings Plan for Hourly Employees
Bio-Serv Corporation Employees Retirement Savings Plan vs. nearby 401(k) plans in Michigan, assets vs. participants
Compare Bio-Serv Corporation Employees Retirement Savings Plan side-by-side with 3 peers →

Bio-Serv Corporation Employees Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Michigan, the nearest 401(k) by assets is South Carolina Pediatric Alliance, LLC 401(k) Profit Sharing Plan in SC ($28M); by covered participants it is Richardson Electronics, Ltd. Employees Profit Sharing Plan and Trust Agreement in IL (275 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (275 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Bio-Serv Corporation Employees Retirement Savings Plan assets move in 2022? ▼
Bio-Serv Corporation Employees Retirement Savings Plan declined sharply - down 18.8% during 2022, from $35M to $28M. Reported net income was -$7M.
How have Bio-Serv Corporation plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Bio-Serv Corporation's sponsor-wide assets grew 26.3%, from $28M to $35M.
Where does Bio-Serv Corporation Employees Retirement Savings Plan rank by assets among Form 5500 filers? ▼
Bio-Serv Corporation Employees Retirement Savings Plan ranks in the 82nd percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Bio-Serv Corporation Employees Retirement Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is South Carolina Pediatric Alliance, LLC 401(k) Profit Sharing Plan in SC ($28M, 170 participants).
Which 401(k) plans cover a similar participant headcount to Bio-Serv Corporation Employees Retirement Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Richardson Electronics, Ltd. Employees Profit Sharing Plan and Trust Agreement in IL (275 participants, $41M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 381643006.

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.