401(k) · DOL Form 5500 · 2022

Hamamatsu Corporation 401(k) Plan

Data updated 2026-08-25

$31M
Total assets Below avg plan size
246
Participants Below avg headcount
83rd
Percentile by assets National rank
$127,682
Avg per participant Near avg balance/head
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Official DOL plan name: Hamamatsu Corporation 401(k) Plan · Sponsored by Hamamatsu Corporation · New Jersey · Manufacturing

$31M in assets, 246 participants

Hamamatsu Corporation's Hamamatsu Corporation 401(k) Plan reported $31M in total assets and 246 participants in its 2022 DOL Form 5500 filing, ranking in the 83rd 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.

  • #15,717 in Manufacturing (20,602 peers)

Coverage in New Jersey

Hamamatsu Corporation 401(k) Plan covers 246 participants in New Jersey, about 29% of the average New Jersey filer (state average ~844 per filing). Assets: $31M.

#15,717
in Manufacturing (20,602 peers)
+15.7%
assets growth YoY
0.3×
vs typical plan assets (national mean)

Hamamatsu Corporation 401(k) Plan's outsized position by total assets

Hamamatsu Corporation 401(k) Plan vs every filed plan by assets

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

$31,409,886 Top 17% higher than 83% 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

Hamamatsu Corporation 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. Hamamatsu Corporation 401(k) Plan sits mid-pack in the medium band (246 participants).

Plan-year Form 5500 strip

Filing strip 132638233 · Hamamatsu Corporation PY 2022 · 401(k)

Hamamatsu Corporation 401(k) Plan · $31M · 246 · 83rd

  • EBSA $31M
  • PART 246
  • TYPE 83rd
  • NET 401(k)
  • BOOK near Service Lloyds Insurance Company Profit Sharing and 401(k) Plan
  • VS-ST ind #15717

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 New Jersey →

Hamamatsu Corporation 401(k) Plan in the asset neighbourhood

Hamamatsu Corporation 401(k) PlanHamamatsu Corporation 401(k)…$31MService Lloyds Insurance Company Profit Sharing and 401(k) PlanService Lloyds Insurance Com…$31MLamons 401(k) Plan$31MKirby Medical Center 401(k) PlanKirby Medical Center 401(k) …$31MNorth American Retirement Savings PlanNorth American Retirement Sa…$31M
End-of-year total assets ($M) among Hamamatsu Corporation 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

New Jersey filing particulars

Total Assets (Beginning of Year)$27M
Net Assets (End of Year)$31M
Net Income$4M
Employer EIN132638233
Plan Effective Date2001-10-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Hamamatsu Corporation)

Sponsor-wide plan assets over time

All Hamamatsu Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$160M 37.87270039177636% vs 2022
2024 filing year
$100M$120M$140M$160M$180M 202220232024 $116M $160M ▲ +37.9%
Year Plans Participants Total Assets
2022 3 704 $116M
2023 3 763 $145M
2024 3 781 $160M

Nearby 401(k) Plans in New Jersey

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

Hamamatsu Corporation 401(k) Plan vs. nearby 401(k) plans in New Jersey, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000 -10010203040 Total assets ($B) Participants Hamamatsu Corporation 401(k) Plan, Total assets ($B): 0.031409886 · Participants: 246Hamamatsu Corporation 401(k) PlanJPMorgan Chase 401(k) Savings Plan, Total assets ($B): 36.787229834 · Participants: 168280JPMorgan Chase 401(k) Savings PlanVerizon Savings Plan for Management Employees, Total assets ($B): 25.16607858 · Participants: 76788Verizon Savings Plan for Management EmployeesJohnson and Johnson Savings Plan, Total assets ($B): 21.189900271 · Participants: 43271Johnson and Johnson Savings PlanPfizer Savings Plan, Total assets ($B): 17.828820505 · Participants: 27796Pfizer Savings PlanErnst & Young Retirement Savings Plan, Total assets ($B): 12.40459021 · Participants: 52975Ernst & Young Retirement Savings Plan
Hamamatsu Corporation 401(k) Plan vs. nearby 401(k) plans in New Jersey, assets vs. participants
Compare Hamamatsu Corporation 401(k) Plan side-by-side with 3 peers →

Hamamatsu Corporation 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside New Jersey, the nearest 401(k) by assets is Service Lloyds Insurance Company Profit Sharing and 401(k) Plan in TX ($31M); by covered participants it is J5 Infrastructure Partners 401(k) Plan in CA (246 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($31M here).

Similar participant headcount

Nearest other-state filings by covered participants (246 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 Hamamatsu Corporation 401(k) Plan assets move in 2022? ▼
Hamamatsu Corporation 401(k) Plan grew sharply - up 15.7% during 2022, from $27M to $31M. Reported net income was $4M.
How have Hamamatsu Corporation plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Hamamatsu Corporation's sponsor-wide assets grew 37.9%, from $116M to $160M.
Where does Hamamatsu Corporation 401(k) Plan rank by assets among Form 5500 filers? ▼
Hamamatsu Corporation 401(k) Plan ranks in the 83rd 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 Hamamatsu Corporation 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Service Lloyds Insurance Company Profit Sharing and 401(k) Plan in TX ($31M, 97 participants).
Which 401(k) plans cover a similar participant headcount to Hamamatsu Corporation 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is J5 Infrastructure Partners 401(k) Plan in CA (246 participants, N/A 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 132638233.

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.