401(k) · DOL Form 5500 · 2024

Sekisui America Corporation 401(k) Plan

Data updated 2026-08-25

$48M
Total assets Below avg plan size
328
Participants Below avg headcount
84th
Percentile by assets National rank
$146,700
Avg per participant Above avg balance/head
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Official DOL plan name: Sekisui Diagnostics, LLC 401(k) Plan · Sponsored by Sekisui America Corporation · Massachusetts · Manufacturing

$48M in assets, 328 participants

Sekisui America Corporation's Sekisui Diagnostics, LLC 401(k) Plan reported $48M in total assets and 328 participants in its 2024 DOL Form 5500 filing, ranking in the 84th 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.

  • #13,655 in Manufacturing (17,777 peers)

Coverage in Massachusetts

Sekisui Diagnostics, LLC 401(k) Plan covers 328 participants in Massachusetts, about 50% of the average Massachusetts filer (state average ~659 per filing). Assets: $48M.

#13,655
in Manufacturing (17,777 peers)
+11.3%
assets growth YoY
0.5×
vs typical plan assets (national mean)

Sekisui Diagnostics, LLC 401(k) Plan's outsized position by total assets

Sekisui Diagnostics, LLC 401(k) Plan vs every filed plan by assets

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

$48,117,492 Top 16% higher than 84% 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

Sekisui Diagnostics, LLC 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. Sekisui Diagnostics, LLC 401(k) Plan sits mid-pack in the medium band (328 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Sekisui Diagnostics, LLC 401(k) Plan reported participants rose from 253 in the plan year 2023 filing to 328 in the plan year 2024 filing.
  • Sekisui Diagnostics, LLC 401(k) Plan reported net income fell from $6M in the plan year 2023 filing to $5M in the plan year 2024 filing.
  • Sekisui Diagnostics, LLC 401(k) Plan end-of-year assets rose from $43M in the plan year 2023 filing to $48M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 274058664 · Sekisui America Corporation PY 2024 · 401(k)

Sekisui Diagnostics, LLC 401(k) Plan · $48M · 328 · 84th

  • VS-ST $48M
  • BOY 328
  • SCH 84th
  • EBSA 401(k)
  • PART near Painters District Council #58 401(k) Plan
  • TYPE ind #13655

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 Massachusetts →

Sekisui Diagnostics, LLC 401(k) Plan in the asset neighbourhood

Advantia Health Retirement PlanAdvantia Health Retirement P…$48MJelly Belly Candy Company 401(k) and Profit Sharing PlanJelly Belly Candy Company 40…$48MSekisui Diagnostics, LLC 401(k) PlanSekisui Diagnostics, LLC 401…$48MPainters District Council #58 401(k) PlanPainters District Council #5…$48MEmirates Retirement Savings PlanEmirates Retirement Savings …$48M
End-of-year total assets ($M) among Sekisui Diagnostics, LLC 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Massachusetts filing particulars

Total Assets (Beginning of Year)$43M
Net Assets (End of Year)$48M
Net Income$5M
Employer EIN274058664
Plan Effective Date2011-02-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Sekisui America Corporation)

Sponsor-wide plan assets over time

All Sekisui America Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$48M 28.96367754537704% vs 2022
2024 filing year
$35M$40M$45M$50M 202220232024 $37.3M $48.1M ▲ +29.0%
Year Plans Participants Total Assets
2022 1 263 $37M
2023 1 253 $43M
2024 1 328 $48M

Nearby 401(k) Plans in Massachusetts

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

Sekisui Diagnostics, LLC 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Sekisui Diagnostics, LLC 401(k) Plan, Total assets ($B): 0.048117492 · Participants: 328Sekisui Diagnostics, LLC 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 34.201609937 · Participants: 66907Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 11.352606499 · Participants: 34618Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 7.720373045 · Participants: 14762Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 6.775289067 · Participants: 20639Boston Scientific Corporation 401(k) Retirement Savings PlanState Street Salary Savings Program, Total assets ($B): 6.532301643 · Participants: 12777State Street Salary Savings Program
Sekisui Diagnostics, LLC 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Sekisui Diagnostics, LLC 401(k) Plan side-by-side with 3 peers →

Sekisui Diagnostics, LLC 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Painters District Council #58 401(k) Plan in IL ($48M); by covered participants it is Viking Cloud 401(k) Plan in IL (328 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($48M here).

Similar participant headcount

Nearest other-state filings by covered participants (328 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 Sekisui Diagnostics, LLC 401(k) Plan assets move in 2024? ▼
Sekisui Diagnostics, LLC 401(k) Plan grew at a solid clip - up 11.3% during 2024, from $43M to $48M. Reported net income was $5M.
How have Sekisui America Corporation plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Sekisui America Corporation's sponsor-wide assets grew 29.0%, from $37M to $48M.
Where does Sekisui Diagnostics, LLC 401(k) Plan rank by assets among Form 5500 filers? ▼
Sekisui Diagnostics, LLC 401(k) Plan ranks in the 84th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Sekisui Diagnostics, LLC 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Painters District Council #58 401(k) Plan in IL ($48M, 651 participants).
Which 401(k) plans cover a similar participant headcount to Sekisui Diagnostics, LLC 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Viking Cloud 401(k) Plan in IL (328 participants, $20M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 274058664.

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.