401(k) · DOL Form 5500 · 2023

Mersen USA Holding Corp. 401(k) Plan

Data updated 2026-08-25

$140M
Total assets Near avg plan size
1,014
Participants Near avg headcount
93rd
Percentile by assets National rank
$138,179
Avg per participant Near avg balance/head
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Official DOL plan name: Retirement Savings Plan for the Employees of Mersen USA · Sponsored by Mersen USA Holding Corp. · New Jersey · Manufacturing

$140M in assets, 1,014 participants

Mersen USA Holding Corp.'s Retirement Savings Plan for the Employees of Mersen USA reported $140M in total assets and 1,014 participants in its 2023 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.

  • #16,779 in Manufacturing (18,722 peers)

Where Retirement Savings Plan for the Employees of Mersen USA sits by assets

Retirement Savings Plan for the Employees of Mersen USA sits in the top 10% of all filed plans by assets, $140M for 1,014 participants (~$138,179/participant), up 18.4% in 2023.

#16,779
in Manufacturing (18,722 peers)
+18.4%
assets growth YoY
1.4×
vs typical plan assets (national mean)

Retirement Savings Plan for the Employees of Mersen USA's outsized position by total assets

Retirement Savings Plan for the Employees of Mersen USA vs every filed plan by assets

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

$140,113,405 Top 7% higher than 93% 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

Retirement Savings Plan for the Employees of Mersen USA's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Retirement Savings Plan for the Employees of Mersen USA lands in the large band (1,014 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Retirement Savings Plan for the Employees of Mersen USA reported net income rose from -$15M in the plan year 2022 filing to $22M in the plan year 2023 filing.
  • Retirement Savings Plan for the Employees of Mersen USA end-of-year assets rose from $118M in the plan year 2022 filing to $140M in the plan year 2023 filing.
  • Retirement Savings Plan for the Employees of Mersen USA reported participants rose from 916 in the plan year 2022 filing to 1,014 in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 220807643 · Mersen USA Holding Corp. PY 2023 · 401(k)

Retirement Savings Plan for the Employees of Mersen USA · $140M · 1,014 · 93rd

  • PCT $140M
  • PCT 1,014
  • PCT 93rd
  • PCT 401(k)
  • PCT near Suntec Concrete, Inc. 401(k) Profit Sharing Plan
  • PCT ind #16779

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 →

Retirement Savings Plan for the Employees of Mersen USA in the asset neighbourhood

Fleet Farm 401(k)Plan$140MSuntec Concrete, Inc. 401(k) Profit Sharing PlanSuntec Concrete, Inc. 401(k)…$140MRetirement Savings Plan for the Employees of Mersen USARetirement Savings Plan for …$140MEvident Scientific 401(k) PlanEvident Scientific 401(k) Pl…$140MNorthshore Mining Company and Silver Bay Power Company Retirement Savings PlanNorthshore Mining Company an…$140M
End-of-year total assets ($M) among Retirement Savings Plan for the Employees of Mersen USA and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$118M
Net Assets (End of Year)$140M
Net Income$22M
Employer EIN220807643
Plan Effective Date1992-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mersen USA Holding Corp.)

Sponsor-wide plan assets over time

All Mersen USA Holding Corp. plans reported in each filing year

Latest sponsor-wide plan assets
$233M 25.296300582386667% vs 2022
2024 filing year
$180M$200M$220M$240M 202220232024 $186M $233M ▲ +25.3%
Year Plans Participants Total Assets
2022 3 1,302 $186M
2023 3 1,359 $214M
2024 3 1,424 $233M

Nearby 401(k) Plans in New Jersey

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

Retirement Savings Plan for the Employees of Mersen USA vs. nearby 401(k) plans in New Jersey, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000 -1001020304050 Total assets ($B) Participants Retirement Savings Plan for the Employees of Mersen USA, Total assets ($B): 0.140113405 · Participants: 1014Retirement Savings Plan for the Employees of Mersen USAJPMorgan Chase 401(k) Savings Plan, Total assets ($B): 44.552237022 · Participants: 176610JPMorgan Chase 401(k) Savings PlanVerizon Savings Plan for Management Employees, Total assets ($B): 27.825640157 · Participants: 78072Verizon Savings Plan for Management EmployeesJohnson and Johnson Savings Plan, Total assets ($B): 22.177853595 · Participants: 41291Johnson and Johnson Savings PlanErnst & Young Retirement Savings Plan, Total assets ($B): 15.543526764 · Participants: 59346Ernst & Young Retirement Savings PlanMerck US Savings Plan, Total assets ($B): 13.424416176 · Participants: 26850Merck US Savings Plan
Retirement Savings Plan for the Employees of Mersen USA vs. nearby 401(k) plans in New Jersey, assets vs. participants
Compare Retirement Savings Plan for the Employees of Mersen USA side-by-side with 3 peers →

Retirement Savings Plan for the Employees of Mersen USA's out-of-state 401(k) peers by assets and headcount

Outside New Jersey, the nearest 401(k) by assets is Suntec Concrete, Inc. 401(k) Profit Sharing Plan in AZ ($140M); by covered participants it is Dominion Energy Ohio Union Savings Plan in VA (1,014 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (1,014 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 Retirement Savings Plan for the Employees of Mersen USA assets move in 2023? ▼
Retirement Savings Plan for the Employees of Mersen USA grew sharply - up 18.4% during 2023, from $118M to $140M. Reported net income was $22M.
How have Mersen USA Holding Corp. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mersen USA Holding Corp.'s sponsor-wide assets grew 25.3%, from $186M to $233M.
Where does Retirement Savings Plan for the Employees of Mersen USA rank by assets among Form 5500 filers? ▼
Retirement Savings Plan for the Employees of Mersen USA ranks in the 93rd percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Retirement Savings Plan for the Employees of Mersen USA? ▼
Among 401(k) plans in other states, the closest by assets is Suntec Concrete, Inc. 401(k) Profit Sharing Plan in AZ ($140M, 1,072 participants).
Which 401(k) plans cover a similar participant headcount to Retirement Savings Plan for the Employees of Mersen USA? ▼
Among 401(k) plans in other states, the closest by covered participants is Dominion Energy Ohio Union Savings Plan in VA (1,014 participants, $179M 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 220807643.

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.