401(k) · DOL Form 5500 · 2024

Spirent Communications, Inc. 401(k) Plan

Data updated 2026-08-25

$450M
Total assets Above avg plan size
831
Participants Near avg headcount
97th
Percentile by assets National rank
$541,098
Avg per participant High balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: The Spirent Communications 401(k) Plan · Sponsored by Spirent Communications, Inc. · Maryland · Professional & Technical Services

$450M in assets, 831 participants

Spirent Communications, Inc.'s The Spirent Communications 401(k) Plan reported $450M in total assets and 831 participants in its 2024 DOL Form 5500 filing, ranking in the 97th 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.

  • #19,726 in Professional & Technical Services (20,173 peers)

Where The Spirent Communications 401(k) Plan sits by assets

The Spirent Communications 401(k) Plan sits in the top 5% of all filed plans by assets, $450M for 831 participants (~$541,098/participant), up 11.7% in 2024.

#19,726
in Professional & Technical Services (20,173 peers)
+11.7%
assets growth YoY
4.5×
vs typical plan assets (national mean)

The Spirent Communications 401(k) Plan's outsized position by total assets

The Spirent Communications 401(k) Plan vs every filed plan by assets

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

$449,652,079 Top 3% higher than 97% 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

The Spirent Communications 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. The Spirent Communications 401(k) Plan sits mid-pack in the medium band (831 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • The Spirent Communications 401(k) Plan reported net income fell from $56M in the plan year 2023 filing to $47M in the plan year 2024 filing.
  • The Spirent Communications 401(k) Plan reported participants fell from 944 in the plan year 2023 filing to 831 in the plan year 2024 filing.
  • The Spirent Communications 401(k) Plan end-of-year assets rose from $403M in the plan year 2023 filing to $450M in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 113572676 · Spirent Communications, Inc. PY 2024 · 401(k)

The Spirent Communications 401(k) Plan · $450M · 831 · 97th

  • NET $450M
  • NET 831
  • NET 97th
  • NET 401(k)
  • NET near Coty Retirement Savings Plan
  • NET ind #19726

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 Professional & Technical Services retirement plans → · Plans in Maryland →

The Spirent Communications 401(k) Plan in the asset neighbourhood

Tennant Company Retirement Savings PlanTennant Company Retirement S…$450MThe Spirent Communications 401(k) PlanThe Spirent Communications 4…$450MCoty Retirement Savings Plan$450MFoot Locker 401(k) Plan$450MGordon Rees Scully Mansukhani, LLP 401(k) Retirement PlanGordon Rees Scully Mansukhan…$450M
End-of-year total assets ($M) among The Spirent Communications 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)$403M
Net Assets (End of Year)$450M
Net Income$47M
Employer EIN113572676
Plan Effective Date2001-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Spirent Communications, Inc.)

Sponsor-wide plan assets over time

All Spirent Communications, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$450M 29.722943884401715% vs 2022
2024 filing year
$300M$350M$400M$450M$500M 202220232024 $347M $450M ▲ +29.7%
Year Plans Participants Total Assets
2022 1 920 $347M
2023 1 944 $403M
2024 1 831 $450M

Nearby 401(k) Plans in Maryland

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

The Spirent Communications 401(k) Plan vs. nearby 401(k) plans in Maryland, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants The Spirent Communications 401(k) Plan, Total assets ($B): 0.449652079 · Participants: 831The Spirent Communications 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
The Spirent Communications 401(k) Plan vs. nearby 401(k) plans in Maryland, assets vs. participants

The Spirent Communications 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Maryland, the nearest 401(k) by assets is Coty Retirement Savings Plan in NY ($450M); by covered participants it is Pacific Hide & Fur Depot D/B/a Pacific Steel & Recycling 401(k) Plan in MT (831 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($450M here).

Similar participant headcount

Nearest other-state filings by covered participants (831 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 The Spirent Communications 401(k) Plan assets move in 2024? ▼
The Spirent Communications 401(k) Plan grew at a solid clip - up 11.7% during 2024, from $403M to $450M. Reported net income was $47M.
How have Spirent Communications, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Spirent Communications, Inc.'s sponsor-wide assets grew 29.7%, from $347M to $450M.
Where does The Spirent Communications 401(k) Plan rank by assets among Form 5500 filers? ▼
The Spirent Communications 401(k) Plan ranks in the 97th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to The Spirent Communications 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Coty Retirement Savings Plan in NY ($450M, 2,018 participants).
Which 401(k) plans cover a similar participant headcount to The Spirent Communications 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Pacific Hide & Fur Depot D/B/a Pacific Steel & Recycling 401(k) Plan in MT (831 participants, $38M in assets).