401(k) · DOL Form 5500 · 2023

United States Biological 401(k) Plan

Data updated 2026-08-25

$2M
Total assets Small plan by assets
17
Participants Small participant base
28th
Percentile by assets National rank
$93,204
Avg per participant Below avg balance/head
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Official DOL plan name: United States Biological 401(k) Plan · Sponsored by United States Biological · Massachusetts · Professional & Technical Services

$2M in assets, 17 participants

United States Biological's United States Biological 401(k) Plan reported $2M in total assets and 17 participants in its 2023 DOL Form 5500 filing, ranking in the 28th 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.

  • #4,767 in Professional & Technical Services (20,321 peers)

United States Biological multi-year trail

United States Biological's plans moved +36.2% in assets from 2022 to 2024; this filing shows United States Biological 401(k) Plan at $2M / 17 participants.

#4,767
in Professional & Technical Services (20,321 peers)
+18.8%
assets growth YoY

United States Biological 401(k) Plan among the smaller filed plans by assets

United States Biological 401(k) Plan vs every filed plan by assets

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

$1,584,461 28th percentile higher than 28% 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

United States Biological 401(k) Plan among smaller filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. United States Biological 401(k) Plan is a small filing (17 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • United States Biological 401(k) Plan reported net income rose from -$228K in the plan year 2022 filing to $251K in the plan year 2023 filing.
  • United States Biological 401(k) Plan reported participants fell from 21 in the plan year 2022 filing to 17 in the plan year 2023 filing.
  • United States Biological 401(k) Plan end-of-year assets rose from $1M in the plan year 2022 filing to $2M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 043286572 · United States Biological PY 2023 · 401(k)

United States Biological 401(k) Plan · $2M · 17 · 28th

  • PHOTO $2M
  • PHOTO 17
  • PHOTO 28th
  • PHOTO 401(k)
  • PHOTO near Stone City Products, Inc. 401(k) Savings Plan
  • PHOTO ind #4767

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 Professional & Technical Services retirement plans → · Plans in Massachusetts →

United States Biological 401(k) Plan in the asset neighbourhood

United States Biological 401(k) PlanUnited States Biological 401…$2MStone City Products, Inc. 401(k) Savings PlanStone City Products, Inc. 40…$2MMountain West, IRA, Inc. 401(k) Profit Sharing PlanMountain West, IRA, Inc. 401…$2MAfs Global Technology SolutionsAfs Global Technology Soluti…$2MDominion Medical Repair Corp. 401(k) PlanDominion Medical Repair Corp…$2M
End-of-year total assets ($M) among United States Biological 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

United States Biological multi-year asset trail

Sponsor-wide plan assets over time

All United States Biological plans reported in each filing year

Latest sponsor-wide plan assets
$2M 36.21544796240948% vs 2022
2024 filing year
$1.2M$1.4M$1.6M$1.8M$2M 202220232024 $1.33M $1.82M ▲ +36.8%
Year Plans Participants Total Assets
2022 1 21 $1M
2023 1 17 $2M
2024 1 24 $2M

United States Biological filing trail (2023)

Total Assets (Beginning of Year)$1M
Net Assets (End of Year)$2M
Net Income$251K
Employer EIN043286572
Plan Effective Date2007-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Massachusetts

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

United States Biological 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants United States Biological 401(k) Plan, Total assets ($B): 0.001584461 · Participants: 17United States Biological 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 28.649852331 · Participants: 62289Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 10.556596852 · Participants: 37052Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 6.829912863 · Participants: 14094Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 5.786107181 · Participants: 19881Boston Scientific Corporation 401(k) Retirement Savings PlanPhilips North America 401(k) Plan, Total assets ($B): 5.779286156 · Participants: 19120Philips North America 401(k) Plan
United States Biological 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare United States Biological 401(k) Plan side-by-side with 3 peers →

United States Biological 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Stone City Products, Inc. 401(k) Savings Plan in IN ($2M); by covered participants it is Surgical Associates of La Jolla Medical Group Inc. Profit Sharing Plan in CA (17 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (17 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 United States Biological 401(k) Plan assets move in 2023? ▼
United States Biological 401(k) Plan grew sharply - up 18.8% during 2023, from $1M to $2M. Reported net income was $251K.
How have United States Biological plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), United States Biological's sponsor-wide assets grew 36.2%, from $1M to $2M.
Which 401(k) plans are similar in size to United States Biological 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Stone City Products, Inc. 401(k) Savings Plan in IN ($2M, 130 participants).
Which 401(k) plans cover a similar participant headcount to United States Biological 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Surgical Associates of La Jolla Medical Group Inc. Profit Sharing Plan in CA (17 participants, $6M 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 043286572.

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.