401(k) · DOL Form 5500 · 2024

Meso Scale Diagnostics, LLC 401(k) Plan

Data updated 2026-08-25

$148M
Total assets Near avg plan size
940
Participants Near avg headcount
93rd
Percentile by assets National rank
$157,976
Avg per participant Above avg balance/head
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Official DOL plan name: Meso Scale Diagnostics 401(k) Plan · Sponsored by Meso Scale Diagnostics, LLC · Maryland · Manufacturing

$148M in assets, 940 participants

Meso Scale Diagnostics, LLC's Meso Scale Diagnostics 401(k) Plan reported $148M in total assets and 940 participants in its 2024 DOL Form 5500 filing, ranking in the 93rd 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.

  • #15,869 in Manufacturing (17,777 peers)

Where Meso Scale Diagnostics 401(k) Plan sits by assets

Meso Scale Diagnostics 401(k) Plan sits in the top 10% of all filed plans by assets, $148M for 940 participants (~$157,976/participant), up 22.5% in 2024.

#15,869
in Manufacturing (17,777 peers)
+22.5%
assets growth YoY
1.5×
vs typical plan assets (national mean)

Meso Scale Diagnostics 401(k) Plan's outsized position by total assets

Meso Scale Diagnostics 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$148,497,434 Top 7% higher than 93% of 123,620 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 2024

Meso Scale Diagnostics 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Meso Scale Diagnostics 401(k) Plan sits mid-pack in the medium band (940 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Meso Scale Diagnostics 401(k) Plan end-of-year assets rose from $121M in the plan year 2023 filing to $148M in the plan year 2024 filing.
  • Meso Scale Diagnostics 401(k) Plan reported net income fell from $31M in the plan year 2023 filing to $27M in the plan year 2024 filing.
  • Meso Scale Diagnostics 401(k) Plan reported participants rose from 846 in the plan year 2023 filing to 940 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 521974952 · Meso Scale Diagnostics, LLC PY 2024 · 401(k)

Meso Scale Diagnostics 401(k) Plan · $148M · 940 · 93rd

  • PHOTO $148M
  • IND 940
  • EOY 93rd
  • 5500 401(k)
  • ASSETS near Sumco Phoenix Corporation Savings and Retirement Plan
  • PCT ind #15869

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 Manufacturing retirement plans → · Plans in Maryland →

Meso Scale Diagnostics 401(k) Plan in the asset neighbourhood

Primed Management Consulting Services, Inc. 401(k) PlanPrimed Management Consulting…$149MEdw. C. Levy Co. Capital Accumulation PlanEdw. C. Levy Co. Capital Acc…$149MSumco Phoenix Corporation Savings and Retirement PlanSumco Phoenix Corporation Sa…$149MMeso Scale Diagnostics 401(k) PlanMeso Scale Diagnostics 401(k…$148MNew American Funding, LLC 401(k) PlanNew American Funding, LLC 40…$148M
End-of-year total assets ($M) among Meso Scale Diagnostics 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$121M
Net Assets (End of Year)$148M
Net Income$27M
Employer EIN521974952
Plan Effective Date2003-05-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Meso Scale Diagnostics, LLC)

Sponsor-wide plan assets over time

All Meso Scale Diagnostics, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$148M 65.12583144933735% vs 2022
2024 filing year
$80M$100M$120M$140M$160M 202220232024 $89.9M $149M ▲ +65.1%
Year Plans Participants Total Assets
2022 1 685 $90M
2023 1 846 $121M
2024 1 940 $148M

Nearby 401(k) Plans in Maryland

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

Meso Scale Diagnostics 401(k) Plan vs. nearby 401(k) plans in Maryland, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Meso Scale Diagnostics 401(k) Plan, Total assets ($B): 0.148497434 · Participants: 940Meso Scale Diagnostics 401(k) PlanLockheed Martin Corporation Salaried Savings Plan, Total assets ($B): 51.448624264 · Participants: 96812Lockheed Martin Corporation Salaried Savings PlanMarriott Retirement Savings Plan, Total assets ($B): 11.712016434 · Participants: 101417Marriott Retirement Savings PlanT. Rowe Price U.S. Retirement Program, Total assets ($B): 4.948487009 · Participants: 6639T. Rowe Price U.S. Retirement ProgramNfl Player Second Career Savings Plan, Total assets ($B): 4.08462816 · Participants: 2771Nfl Player Second Career Savings PlanLockheed Martin Corporation Performance Sharing Plan for Bargaining Employees, Total assets ($B): 2.987191008 · Participants: 18370Lockheed Martin Corporation Performance Sharing Plan for Bargaining Employees
Meso Scale Diagnostics 401(k) Plan vs. nearby 401(k) plans in Maryland, assets vs. participants

Meso Scale Diagnostics 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Maryland, the nearest 401(k) by assets is Sumco Phoenix Corporation Savings and Retirement Plan in AZ ($149M); by covered participants it is Cooke Seafoods USA 401(k) Plan in VA (940 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (940 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Meso Scale Diagnostics 401(k) Plan assets move in 2024?
Meso Scale Diagnostics 401(k) Plan grew sharply - up 22.5% during 2024, from $121M to $148M. Reported net income was $27M.
How have Meso Scale Diagnostics, LLC plan assets changed over time?
Across 3 plan years on file (2022-2024), Meso Scale Diagnostics, LLC's sponsor-wide assets grew 65.1%, from $90M to $148M.
Where does Meso Scale Diagnostics 401(k) Plan rank by assets among Form 5500 filers?
Meso Scale Diagnostics 401(k) Plan ranks in the 93rd percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Meso Scale Diagnostics 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Sumco Phoenix Corporation Savings and Retirement Plan in AZ ($149M, 575 participants).
Which 401(k) plans cover a similar participant headcount to Meso Scale Diagnostics 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Cooke Seafoods USA 401(k) Plan in VA (940 participants, $64M in assets).