401(k) · DOL Form 5500 · 2023

Adtran, Inc 401(k) Plan

Data updated 2026-08-11

$369M
Total assets
1,043
Participants
97th
Percentile by assets
$353,396
Avg per participant
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Official DOL plan name: Adtran, Inc. 401(k) Retirement Plan · Sponsored by Adtran, Inc · Alabama · Professional & Technical Services

$369M in assets, 1,043 participants

Adtran, Inc's Adtran, Inc. 401(k) Retirement Plan reported $369M in total assets and 1,043 participants in its 2023 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.

  • 97th percentile by assets (of 127,072 plans)
  • #19,843 in Professional & Technical Services (20,321 peers)

Coverage in Alabama

Adtran, Inc. 401(k) Retirement Plan covers 1,043 participants in Alabama, 2.9x the typical Alabama plan (state average ~360 per filing). Assets: $369M.

$369M
total plan assets (2023 EOY)
1,043
covered participants
97th
percentile by assets (of 127,072 plans)
$353,396
avg assets per participant

Where Adtran, Inc. 401(k) Retirement Plan sits by total assets

Adtran, Inc. 401(k) Retirement Plan vs every filed plan by assets

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

$368,591,913 Top 3% higher than 97% of 127,068 filed plans

This plan $0 $2,010,000,000 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

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Adtran, Inc. 401(k) Retirement Plan reported net income rose from -$76M in the plan year 2022 filing to $44M in the plan year 2023 filing.
  • Adtran, Inc. 401(k) Retirement Plan end-of-year assets rose from $325M in the plan year 2022 filing to $369M in the plan year 2023 filing.

See the national 2022→2023 release diff →

State
Alabama
Industry
Professional & Technical Services

Participants vs Alabama filers

In Alabama, the average filing covers about 360 participants across 1,591 plans. Adtran, Inc. 401(k) Retirement Plan reports 1,043 participants - 2.9x that state average ($369M EOY assets).

Alabama filing particulars

Total Assets (Beginning of Year)$325M
Net Assets (End of Year)$369M
Net Income$44M
Employer EIN630918200
Plan Effective Date1990-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Adtran, Inc)

$300M$350M$400M 202220232024 $325M $391M ▲ +20.6%
Total plan assets by year, all Adtran, Inc plans on file
Year Plans Participants Total Assets
2022 1 1,042 $325M
2023 1 1,043 $369M
2024 1 932 $391M

Nearby 401(k) Plans in Alabama

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

Adtran, Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in Alabama, assets vs. participants

Adtran, Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in Alabama, assets vs. participants Scatter plot of 6 data points. -100000100002000030000 0123 Total assets ($B) Participants Adtran, Inc. 401(k) …Regions Financial Co…Encompass Health Cor…Hexagon Employee Ret…Vulcan 401(k) PlanMercedes-Benz U.S. I…
Adtran, Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in Alabama, assets vs. participants
Compare Adtran, Inc. 401(k) Retirement Plan side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Adtran, Inc. 401(k) Retirement Plan by total assets, not by location.

Frequently Asked Questions

How did Adtran, Inc. 401(k) Retirement Plan assets move in 2023? ▼
Adtran, Inc. 401(k) Retirement Plan grew at a solid clip - up 13.5% during 2023, from $325M to $369M. Reported net income was $44M.
How have Adtran, Inc plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Adtran, Inc's sponsor-wide assets grew 20.6%, from $325M to $391M.
Where does Adtran, Inc. 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼
Adtran, Inc. 401(k) Retirement Plan ranks in the 97th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Adtran, Inc. 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Six3 Advanced Systems Profit Sharing Plan in VA ($368M, 1,420 participants).

Next read for Adtran, Inc. 401(k) Retirement Plan

Filing takeaways

Ways to act on Adtran, Inc. 401(k) Retirement Plan's numbers.

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 630918200.

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.