401(k) · DOL Form 5500 · 2024

Amperity, Inc. 401(k) Plan

Data updated 2026-08-11

$26M
Total assets
313
Participants
75th
Percentile by assets
$84,330
Avg per participant
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Official DOL plan name: Amperity 401(k) Plan · Sponsored by Amperity, Inc. · Washington · Professional & Technical Services

$26M in assets, 313 participants

Amperity, Inc.'s Amperity 401(k) Plan reported $26M in total assets and 313 participants in its 2024 DOL Form 5500 filing, ranking in the 75th 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.

  • 75th percentile by assets (of 123,622 plans)
  • #15,170 in Professional & Technical Services (20,173 peers)

Coverage in Washington

Amperity 401(k) Plan covers 313 participants in Washington, about 21% of the average Washington filer (state average ~1,476 per filing). Assets: $26M.

$26M
total plan assets (2024 EOY)
313
covered participants
75th
percentile by assets (of 123,622 plans)
$84,330
avg assets per participant

Where Amperity 401(k) Plan sits by total assets

Amperity 401(k) Plan vs every filed plan by assets

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

$26,395,294 Top 25% higher than 75% of 123,620 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 2024

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Amperity 401(k) Plan end-of-year assets rose from $19M in the plan year 2023 filing to $26M in the plan year 2024 filing.
  • Amperity 401(k) Plan reported participants fell from 364 in the plan year 2023 filing to 313 in the plan year 2024 filing.
  • Amperity 401(k) Plan reported net income fell from $7M in the plan year 2023 filing to $7M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Participants vs Washington filers

In Washington, the average filing covers about 1,476 participants across 2,612 plans. Amperity 401(k) Plan reports 313 participants - about 21% of that state average ($26M EOY assets).

Washington filing particulars

Total Assets (Beginning of Year)$19M
Net Assets (End of Year)$26M
Net Income$7M
Employer EIN810890699
Plan Effective Date2016-09-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Amperity, Inc.)

$10M$15M$20M$25M$30M 202220232024 $11.7M $26.4M ▲ +125.6%
Total plan assets by year, all Amperity, Inc. plans on file
Year Plans Participants Total Assets
2022 1 264 $12M
2023 1 364 $19M
2024 1 313 $26M

Nearby 401(k) Plans in Washington

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

Amperity 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants Scatter plot of 6 data points. -500000050000010000001500000 -20020406080 Total assets ($B) Participants Amperity 401(k) Plan, Total assets ($B): 0.026395294 · Participants: 313Amperity 401(k) PlanThe Boeing Company 4…, Total assets ($B): 73.910477714 · Participants: 139394The Boeing Company 4…Microsoft Corporatio…, Total assets ($B): 65.646011638 · Participants: 118818Microsoft Corporatio…Costco 401(k) Retire…, Total assets ($B): 41.017392708 · Participants: 202468Costco 401(k) Retire…Amazon 401(k) Plan, Total assets ($B): 34.593744657 · Participants: 1209303Amazon 401(k) Plan401(k) Savings Plan, Total assets ($B): 10.074085187 · Participants: 86668401(k) Savings Plan
Amperity 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants

Similar-Sized 401(k) Plans Nationally

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

Frequently Asked Questions

How did Amperity 401(k) Plan assets move in 2024?
Amperity 401(k) Plan surged - up 37.6% during 2024, from $19M to $26M. Reported net income was $7M.
How have Amperity, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Amperity, Inc.'s sponsor-wide assets grew 125.7%, from $12M to $26M.
Where does Amperity 401(k) Plan rank by assets among Form 5500 filers?
Amperity 401(k) Plan ranks in the 75th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Amperity 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Sojern, Inc. 401(k) Plan in NE ($26M, 240 participants).

Filing takeaways

Ways to act on Amperity 401(k) Plan's numbers.