401(k) · DOL Form 5500 · 2022

Sekisui America Corporation 401(k) Plan

Data updated 2026-08-25

$37M
Total assets Below avg plan size
263
Participants Below avg headcount
85th
Percentile by assets National rank
$141,866
Avg per participant Near avg balance/head
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Official DOL plan name: Sekisui Diagnostics, LLC 401(k) Plan · Sponsored by Sekisui America Corporation · Massachusetts · Manufacturing

$37M in assets, 263 participants

Sekisui America Corporation's Sekisui Diagnostics, LLC 401(k) Plan reported $37M in total assets and 263 participants in its 2022 DOL Form 5500 filing, ranking in the 85th 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.

  • #16,244 in Manufacturing (20,602 peers)

Coverage in Massachusetts

Sekisui Diagnostics, LLC 401(k) Plan covers 263 participants in Massachusetts, about 40% of the average Massachusetts filer (state average ~659 per filing). Assets: $37M.

#16,244
in Manufacturing (20,602 peers)
-15.9%
assets change YoY
0.4×
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.

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 2022 · DOL Form 5500

$37,310,887 Top 15% higher than 85% 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

Sekisui Diagnostics, LLC 401(k) 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. Sekisui Diagnostics, LLC 401(k) Plan sits mid-pack in the medium band (263 participants).

EBSA filing schedule strip

Filing strip 274058664 · Sekisui America Corporation PY 2022 · 401(k)

Sekisui Diagnostics, LLC 401(k) Plan · $37M · 263 · 85th

  • PHOTO $37M
  • PHOTO 263
  • PHOTO 85th
  • PHOTO 401(k)
  • PHOTO near National Western Life Insurance Company 401(k) Plan
  • PHOTO ind #16244

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

Four Winds 401(k) Savings and Investment PlanFour Winds 401(k) Savings an…$37MRichard a. Alaimo Associates Savings and Investment PlanRichard a. Alaimo Associates…$37MSekisui Diagnostics, LLC 401(k) PlanSekisui Diagnostics, LLC 401…$37MNational Western Life Insurance Company 401(k) PlanNational Western Life Insura…$37MHeimark Distributing, LLC 401 (K) PlanHeimark Distributing, LLC 40…$37M
End-of-year total assets ($M) among Sekisui Diagnostics, LLC 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Massachusetts filing particulars

Total Assets (Beginning of Year)$44M
Net Assets (End of Year)$37M
Net Income-$7M
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. -200000200004000060000 -100102030 Total assets ($B) Participants Sekisui Diagnostics, LLC 401(k) Plan, Total assets ($B): 0.037310887 · Participants: 263Sekisui Diagnostics, LLC 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 22.953563448 · Participants: 52036Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 8.79802945 · Participants: 32843Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 5.810585521 · Participants: 13690Massachusetts Institute of Technology Supplemental 401(k) PlanPhilips North America 401(k) Plan, Total assets ($B): 5.180251859 · Participants: 19750Philips North America 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 4.853752256 · Participants: 18359Boston Scientific Corporation 401(k) Retirement Savings Plan
Sekisui Diagnostics, LLC 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

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 National Western Life Insurance Company 401(k) Plan in TX ($37M); by covered participants it is 2nd Watch 401(k) Plan in WA (263 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (263 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 Sekisui Diagnostics, LLC 401(k) Plan assets move in 2022?
Sekisui Diagnostics, LLC 401(k) Plan declined sharply - down 15.9% during 2022, from $44M to $37M. Reported net income was -$7M.
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 85th 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 Sekisui Diagnostics, LLC 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is National Western Life Insurance Company 401(k) Plan in TX ($37M, 326 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 2nd Watch 401(k) Plan in WA (263 participants, $11M in assets).